Updated version

Contributing.md

@@ -40,4 +40,4 @@ Pull requests have a high chance of being accepted if they are:
 
 Even new ideas and proposals that have not been approved by a maintainer, or fall outside the established roadmap, are *occasionally* accepted - if they possess the remaining of the above qualities. If not, they will be closed and removed without comments or explanation.
 
-By contributing code to this project, you agree that copyright for the code is transferred to the Reticulum maintainers and that the code is irrevocably placed under the [MIT license](./LICENSE).
+By contributing code to this project, you agree that copyright for the code is transferred to the Reticulum maintainers and that the code is irrevocably placed under the [Reticulum License](./LICENSE).

Examples/ExampleInterface.py

@@ -1,5 +1,3 @@
-# MIT License - Copyright (c) 2024 Mark Qvist / unsigned.io
-
 # This example illustrates creating a custom interface
 # definition, that can be loaded and used by Reticulum at
 # runtime. Any number of custom interfaces can be created

LICENSE

@@ -1,6 +1,6 @@
-MIT License, unless otherwise noted
+Reticulum License
 
-Copyright (c) 2016-2024 Mark Qvist / unsigned.io
+Copyright (c) 2016-2025 Mark Qvist
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:
 
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
+- The Software shall not be used in any kind of system which includes amongst
+  its functions the ability to purposefully do harm to human beings.
+
+- The Software shall not be used, directly or indirectly, in the creation of
+  an artificial intelligence, machine learning or language model training
+  dataset, including but not limited to any use that contributes to the
+  training or development of such a model or algorithm.
+
+- The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

README.md

@@ -52,7 +52,7 @@ For more info, see [reticulum.network](https://reticulum.network/) and [the FAQ
 - Forward Secrecy is available for all communication types, both for single packets and over links
 - Reticulum uses the following format for encrypted tokens:
   - Ephemeral per-packet and link keys and derived from an ECDH key exchange on Curve25519
-  - AES-128 in CBC mode with PKCS7 padding
+  - AES-128 or AES-256 in CBC mode with PKCS7 padding
   - HMAC using SHA256 for authentication
   - IVs are generated through os.urandom()
 - Unforgeable packet delivery confirmations
@@ -312,7 +312,15 @@ organisation? Make them a reality quickly by sponsoring their implementation.
 ## Cryptographic Primitives
 Reticulum uses a simple suite of efficient, strong and well-tested cryptographic
 primitives, with widely available implementations that can be used both on
-general-purpose CPUs and on microcontrollers. The utilised primitives are:
+general-purpose CPUs and on microcontrollers.
+
+One of the primary considerations for choosing this particular set of primitives is
+that they can be implemented *safely* with relatively few pitfalls, on practically
+all current computing platforms.
+
+The primitives listed here **are authoritative**. Anything claiming to be Reticulum,
+but not using these exact primitives **is not** Reticulum, and possibly an
+intentionally compromised or weakened clone. The utilised primitives are:
 
 - Reticulum Identity Keys are 512-bit Curve25519 keysets
   - A 256-bit Ed25519 key for signatures
@@ -320,15 +328,15 @@ general-purpose CPUs and on microcontrollers. The utilised primitives are:
 - HKDF for key derivation
 - Encrypted tokens are based on the [Fernet spec](https://github.com/fernet/spec/)
   - Ephemeral keys derived from an ECDH key exchange on Curve25519
-  - AES-128 in CBC mode with PKCS7 padding
   - HMAC using SHA256 for message authentication
-  - IVs are generated through os.urandom()
+  - IVs must be generated through `os.urandom()` or better
+  - AES-128 or AES-256 in CBC mode with PKCS7 padding
   - No Fernet version and timestamp metadata fields
 - SHA-256
 - SHA-512
 
-In the default installation configuration, the `X25519`, `Ed25519` and
-`AES-128-CBC` primitives are provided by [OpenSSL](https://www.openssl.org/)
+In the default installation configuration, the `X25519`, `Ed25519`, `AES-128-CBC`
+and `AES-256-CBC` primitives are provided by [OpenSSL](https://www.openssl.org/)
 (via the [PyCA/cryptography](https://github.com/pyca/cryptography) package).
 The hashing functions `SHA-256` and `SHA-512` are provided by the standard
 Python [hashlib](https://docs.python.org/3/library/hashlib.html). The `HKDF`,

RNS/Buffer.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors.
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Channel.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors.
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Cryptography/AES.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -28,15 +36,48 @@ if cp.PROVIDER == cp.PROVIDER_INTERNAL:
     
 elif cp.PROVIDER == cp.PROVIDER_PYCA:
     from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
-
-    if pu.cryptography_old_api():
-        from cryptography.hazmat.backends import default_backend
+    if pu.cryptography_old_api(): from cryptography.hazmat.backends import default_backend
 
 
 class AES_128_CBC:
-
     @staticmethod
     def encrypt(plaintext, key, iv):
+        if len(key) != 16: raise ValueError(f"Invalid key length {len(key)*8} for {self}")
+        if cp.PROVIDER == cp.PROVIDER_INTERNAL:
+            cipher = AES(key)
+            return cipher.encrypt(plaintext, iv)
+
+        elif cp.PROVIDER == cp.PROVIDER_PYCA:
+            if not pu.cryptography_old_api():
+                cipher = Cipher(algorithms.AES(key), modes.CBC(iv))
+            else:
+                cipher = Cipher(algorithms.AES(key), modes.CBC(iv), backend=default_backend())
+
+            encryptor = cipher.encryptor()
+            ciphertext = encryptor.update(plaintext) + encryptor.finalize()
+            return ciphertext
+
+    @staticmethod
+    def decrypt(ciphertext, key, iv):
+        if len(key) != 16: raise ValueError(f"Invalid key length {len(key)*8} for {self}")
+        if cp.PROVIDER == cp.PROVIDER_INTERNAL:
+            cipher = AES(key)
+            return cipher.decrypt(ciphertext, iv)
+
+        elif cp.PROVIDER == cp.PROVIDER_PYCA:
+            if not pu.cryptography_old_api():
+                cipher = Cipher(algorithms.AES(key), modes.CBC(iv))
+            else:
+                cipher = Cipher(algorithms.AES(key), modes.CBC(iv), backend=default_backend())
+
+            decryptor = cipher.decryptor()
+            plaintext = decryptor.update(ciphertext) + decryptor.finalize()
+            return plaintext
+
+class AES_256_CBC:
+    @staticmethod
+    def encrypt(plaintext, key, iv):
+        if len(key) != 32: raise ValueError(f"Invalid key length {len(key)*8} for {self}")
         if cp.PROVIDER == cp.PROVIDER_INTERNAL:
             cipher = AES(key)
             return cipher.encrypt(plaintext, iv)
@@ -53,6 +94,7 @@ class AES_128_CBC:
 
     @staticmethod
     def decrypt(ciphertext, key, iv):
+        if len(key) != 32: raise ValueError(f"Invalid key length {len(key)*8} for {self}")
         if cp.PROVIDER == cp.PROVIDER_INTERNAL:
             cipher = AES(key)
             return cipher.decrypt(ciphertext, iv)

RNS/Cryptography/Ed25519.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Cryptography/HKDF.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Cryptography/Hashes.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Cryptography/PKCS7.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Cryptography/Provider.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Cryptography/Proxies.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Cryptography/Token.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -25,7 +33,9 @@ import time
 
 from RNS.Cryptography import HMAC
 from RNS.Cryptography import PKCS7
+from RNS.Cryptography import AES
 from RNS.Cryptography.AES import AES_128_CBC
+from RNS.Cryptography.AES import AES_256_CBC
 
 class Token():
     """
@@ -40,45 +50,50 @@ class Token():
     TOKEN_OVERHEAD  = 48 # Bytes
 
     @staticmethod
-    def generate_key():
-        return os.urandom(32)
+    def generate_key(mode=AES_128_CBC):
+        if   mode == AES_128_CBC: return os.urandom(32)
+        elif mode == AES_256_CBC: return os.urandom(64)
+        else: raise TypeError(f"Invalid token mode: {mode}")
 
-    def __init__(self, key = None):
-        if key == None:
-            raise ValueError("Token key cannot be None")
+    def __init__(self, key=None, mode=AES):
+        if key == None: raise ValueError("Token key cannot be None")
 
-        if len(key) != 32:
-            raise ValueError("Token key must be 32 bytes, not "+str(len(key)))
-            
-        self._signing_key = key[:16]
-        self._encryption_key = key[16:]
+        if mode == AES:
+            if len(key) == 32:
+                self.mode = AES_128_CBC
+                self._signing_key = key[:16]
+                self._encryption_key = key[16:]
+
+            elif len(key) == 64:
+                self.mode = AES_256_CBC
+                self._signing_key = key[:32]
+                self._encryption_key = key[32:]
+
+            else: raise ValueError("Token key must be 128 or 256 bits, not "+str(len(key)*8))
+
+        else: raise TypeError(f"Invalid token mode: {mode}")
 
 
     def verify_hmac(self, token):
-        if len(token) <= 32:
-            raise ValueError("Cannot verify HMAC on token of only "+str(len(token))+" bytes")
+        if len(token) <= 32: raise ValueError("Cannot verify HMAC on token of only "+str(len(token))+" bytes")
         else:
             received_hmac = token[-32:]
             expected_hmac = HMAC.new(self._signing_key, token[:-32]).digest()
 
-            if received_hmac == expected_hmac:
-                return True
-            else:
-                return False
+            if received_hmac == expected_hmac: return True
+            else: return False
 
 
     def encrypt(self, data = None):
         iv = os.urandom(16)
         current_time = int(time.time())
 
-        if not isinstance(data, bytes):
-            raise TypeError("Token plaintext input must be bytes")
+        if not isinstance(data, bytes): raise TypeError("Token plaintext input must be bytes")
 
-        ciphertext = AES_128_CBC.encrypt(
+        ciphertext = self.mode.encrypt(
             plaintext = PKCS7.pad(data),
             key = self._encryption_key,
-            iv = iv,
-        )
+            iv = iv)
 
         signed_parts = iv+ciphertext
 
@@ -86,25 +101,19 @@ class Token():
 
 
     def decrypt(self, token = None):
-        if not isinstance(token, bytes):
-            raise TypeError("Token must be bytes")
-
-        if not self.verify_hmac(token):
-            raise ValueError("Token HMAC was invalid")
+        if not isinstance(token, bytes): raise TypeError("Token must be bytes")
+        if not self.verify_hmac(token): raise ValueError("Token HMAC was invalid")
 
         iv = token[:16]
         ciphertext = token[16:-32]
 
         try:
             plaintext = PKCS7.unpad(
-                AES_128_CBC.decrypt(
-                    ciphertext,
-                    self._encryption_key,
-                    iv,
-                )
-            )
+                self.mode.decrypt(
+                    ciphertext = ciphertext,
+                    key = self._encryption_key,
+                    iv = iv))
 
             return plaintext
 
-        except Exception as e:
-            raise ValueError("Could not decrypt token")
+        except Exception as e: raise ValueError("Could not decrypt token")

RNS/Cryptography/__init__.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2022-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Cryptography/aes/aes.py

@@ -22,6 +22,7 @@
 
 from .utils import *
 
+# TODO: Add AES-256 support to pure-python implementation
 
 class AES:
     # AES-128 block size

RNS/Destination.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -202,11 +210,14 @@ class Destination:
     def _persist_ratchets(self):
         try:
             with self.ratchet_file_lock:
+                temp_write_path = self.ratchets_path+".tmp"
                 packed_ratchets = umsgpack.packb(self.ratchets)
                 persisted_data = {"signature": self.sign(packed_ratchets), "ratchets": packed_ratchets}
-                ratchets_file = open(self.ratchets_path, "wb")
+                ratchets_file = open(temp_write_path, "wb")
                 ratchets_file.write(umsgpack.packb(persisted_data))
                 ratchets_file.close()
+                os.unlink(self.ratchets_path)
+                os.rename(temp_write_path, self.ratchets_path)
         except Exception as e:
             self.ratchets = None
             self.ratchets_path = None
@@ -450,6 +461,7 @@ class Destination:
                     self.ratchets_path = None
                     RNS.trace_exception(e)
                     raise OSError("Could not read ratchet file contents for "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
+
         else:
             RNS.log("No existing ratchet data found, initialising new ratchet file for "+str(self), RNS.LOG_DEBUG)
             self.ratchets = []

RNS/Identity.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors.
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/AX25KISSInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/Android/KISSInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/Android/RNodeInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/Android/SerialInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/Android/__init__.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2022 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/AutoInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/BackboneInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/I2PInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/Interface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/KISSInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/LocalInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -329,8 +337,8 @@ class LocalClientInterface(Interface):
 
 
     def __str__(self):
-        if self.socket_path: return "Shared Instance["+str(self.socket_path.replace("\0", ""))+"]"
-        else: return "Shared Instance["+str(self.target_port)+"]"
+        if self.socket_path: return "LocalInterface["+str(self.socket_path.replace("\0", ""))+"]"
+        else: return "LocalInterface["+str(self.target_port)+"]"
 
 
 class LocalServerInterface(Interface):

RNS/Interfaces/PipeInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/RNodeInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/RNodeMultiInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2024 Jacob Eva. Adapted from the RNodeInterface by Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/SerialInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/TCPInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/UDPInterface.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/__init__.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Interfaces/util/netinfo.py

@@ -1,7 +1,7 @@
 # MIT License
 #
-# Copyright (c) 2025 Mark Qvist
 # Copyright (c) 2014 Stefan C. Mueller
+# Copyright (c) 2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal

RNS/Link.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors.
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -92,39 +100,68 @@ class Link:
     and will be torn down.
     """
 
-    PENDING   = 0x00
-    HANDSHAKE = 0x01
-    ACTIVE    = 0x02
-    STALE     = 0x03
-    CLOSED    = 0x04
+    PENDING             = 0x00
+    HANDSHAKE           = 0x01
+    ACTIVE              = 0x02
+    STALE               = 0x03
+    CLOSED              = 0x04
 
-    TIMEOUT            = 0x01
-    INITIATOR_CLOSED   = 0x02
-    DESTINATION_CLOSED = 0x03
+    TIMEOUT             = 0x01
+    INITIATOR_CLOSED    = 0x02
+    DESTINATION_CLOSED  = 0x03
 
-    ACCEPT_NONE = 0x00
-    ACCEPT_APP  = 0x01
-    ACCEPT_ALL  = 0x02
+    ACCEPT_NONE         = 0x00
+    ACCEPT_APP          = 0x01
+    ACCEPT_ALL          = 0x02
     resource_strategies = [ACCEPT_NONE, ACCEPT_APP, ACCEPT_ALL]
 
+    MODE_AES128_CBC     = 0x00
+    MODE_AES256_CBC     = 0x01
+    MODE_AES256_GCM     = 0x02
+    MODE_OTP_RESERVED   = 0x03
+    MODE_PQ_RESERVED_1  = 0x04
+    MODE_PQ_RESERVED_2  = 0x05
+    MODE_PQ_RESERVED_3  = 0x06
+    MODE_PQ_RESERVED_4  = 0x07
+    enabled_modes       = [MODE_AES128_CBC]
+
+    MTU_BYTEMASK        = 0x1FFFFF
+    MODE_BYTEMASK       = 0xE0
+
     @staticmethod
     def mtu_bytes(mtu):
-        return struct.pack(">I", mtu & 0xFFFFFF)[1:]
+        return struct.pack(">I", mtu & Link.MTU_BYTEMASK)[1:]
 
     @staticmethod
     def mtu_from_lr_packet(packet):
         if len(packet.data) == Link.ECPUBSIZE+Link.LINK_MTU_SIZE:
-            return (packet.data[Link.ECPUBSIZE] << 16) + (packet.data[Link.ECPUBSIZE+1] << 8) + (packet.data[Link.ECPUBSIZE+2])
-        else:
-            return None
+            return (packet.data[Link.ECPUBSIZE] << 16) + (packet.data[Link.ECPUBSIZE+1] << 8) + (packet.data[Link.ECPUBSIZE+2]) & Link.MTU_BYTEMASK
+        else: return None
 
     @staticmethod
     def mtu_from_lp_packet(packet):
         if len(packet.data) == RNS.Identity.SIGLENGTH//8+Link.ECPUBSIZE//2+Link.LINK_MTU_SIZE:
             mtu_bytes = packet.data[RNS.Identity.SIGLENGTH//8+Link.ECPUBSIZE//2:RNS.Identity.SIGLENGTH//8+Link.ECPUBSIZE//2+Link.LINK_MTU_SIZE]
-            return (mtu_bytes[0] << 16) + (mtu_bytes[1] << 8) + (mtu_bytes[2])
-        else:
-            return None
+            return (mtu_bytes[0] << 16) + (mtu_bytes[1] << 8) + (mtu_bytes[2]) & Link.MTU_BYTEMASK
+        else: return None
+
+    @staticmethod
+    def mode_byte(mode):
+        if mode in Link.enabled_modes: return (mode << 5) & Link.MODE_BYTEMASK
+        else: raise TypeError(f"Requested link mode {mode} not enabled")
+
+    @staticmethod
+    def mode_from_lr_packet(packet):
+        if len(packet.data) > Link.ECPUBSIZE:
+            return (packet.data[Link.ECPUBSIZE] << 16) + (packet.data[Link.ECPUBSIZE+1] << 8) + (packet.data[Link.ECPUBSIZE+2]) & Link.MODE_BYTEMASK
+        else: return None
+
+    @staticmethod
+    def mode_from_lp_packet(packet):
+        if len(packet.data) > RNS.Identity.SIGLENGTH//8+Link.ECPUBSIZE//2:
+            mode_byte = packet.data[RNS.Identity.SIGLENGTH//8+Link.ECPUBSIZE//2:RNS.Identity.SIGLENGTH//8+Link.ECPUBSIZE//2+1]
+            return mode_byte & Link.MODE_BYTEMASK
+        else: return None
 
     @staticmethod
     def validate_request(owner, data, packet):
@@ -169,9 +206,9 @@ class Link:
             return None
 
 
-    def __init__(self, destination=None, established_callback = None, closed_callback = None, owner=None, peer_pub_bytes = None, peer_sig_pub_bytes = None):
-        if destination != None and destination.type != RNS.Destination.SINGLE:
-            raise TypeError("Links can only be established to the \"single\" destination type")
+    def __init__(self, destination=None, established_callback=None, closed_callback=None, owner=None, peer_pub_bytes=None, peer_sig_pub_bytes=None, mode=MODE_AES128_CBC):
+        if destination != None and destination.type != RNS.Destination.SINGLE: raise TypeError("Links can only be established to the \"single\" destination type")
+        self.mode = mode
         self.rtt = None
         self.mtu = RNS.Reticulum.MTU
         self.establishment_cost = 0
@@ -291,14 +328,17 @@ class Link:
             self.status = Link.HANDSHAKE
             self.shared_key = self.prv.exchange(self.peer_pub)
 
+            if   self.mode == Link.MODE_AES128_CBC: derived_key_length = 32
+            elif self.mode == Link.MODE_AES256_CBC: derived_key_length = 64
+            else: raise TypeError(f"Invalid link mode {self.mode} on {self}")
+
             self.derived_key = RNS.Cryptography.hkdf(
-                length=32,
+                length=derived_key_length,
                 derive_from=self.shared_key,
                 salt=self.get_salt(),
-                context=self.get_context(),
-            )
-        else:
-            RNS.log("Handshake attempt on "+str(self)+" with invalid state "+str(self.status), RNS.LOG_ERROR)
+                context=self.get_context())
+
+        else: RNS.log("Handshake attempt on "+str(self)+" with invalid state "+str(self.status), RNS.LOG_ERROR)
 
 
     def prove(self):
@@ -1085,8 +1125,7 @@ class Link:
     def encrypt(self, plaintext):
         try:
             if not self.token:
-                try:
-                    self.token = Token(self.derived_key)
+                try: self.token = Token(self.derived_key)
                 except Exception as e:
                     RNS.log("Could not instantiate token while performing encryption on link "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
                     raise e
@@ -1100,9 +1139,7 @@ class Link:
 
     def decrypt(self, ciphertext):
         try:
-            if not self.token:
-                self.token = Token(self.derived_key)
-                
+            if not self.token: self.token = Token(self.derived_key)
             return self.token.decrypt(ciphertext)
 
         except Exception as e:

RNS/Packet.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors.
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Resolver.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors.
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Resource.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors.
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Reticulum.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors.
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
@@ -259,6 +267,9 @@ class Reticulum:
         self.rpc_key              = None
         self.rpc_type             = "AF_INET"
 
+        if RNS.vendor.platformutils.use_af_unix():
+            self.local_socket_path = "default"
+
         self.ifac_salt = Reticulum.IFAC_SALT
 
         self.requested_loglevel = loglevel
@@ -447,7 +458,6 @@ class Reticulum:
                     if option == "instance_name":
                         value = self.config["reticulum"][option]
                         self.local_socket_path = value
-                    else: self.local_socket_path = "default"
                 if option == "shared_instance_port":
                     value = int(self.config["reticulum"][option])
                     self.local_interface_port = value

RNS/Transport.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors.
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Utilities/__init__.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2022 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Utilities/rncp.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -11,8 +11,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Utilities/rnid.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2023-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -11,8 +11,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Utilities/rnir.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2023-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -11,8 +11,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Utilities/rnodeconf.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2018-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -11,8 +11,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Utilities/rnpath.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -11,8 +11,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Utilities/rnprobe.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -11,8 +11,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Utilities/rnsd.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -11,8 +11,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Utilities/rnstatus.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -11,8 +11,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/Utilities/rnx.py

@@ -1,8 +1,8 @@
 #!/usr/bin/env python3
 
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -11,8 +11,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/__init__.py

@@ -1,6 +1,6 @@
-# MIT License
+# Reticulum License
 #
-# Copyright (c) 2016-2025 Mark Qvist / unsigned.io and contributors
+# Copyright (c) 2016-2025 Mark Qvist
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to deal
@@ -9,8 +9,16 @@
 # copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
-# The above copyright notice and this permission notice shall be included in all
-# copies or substantial portions of the Software.
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

RNS/_version.py

@@ -1 +1 @@
-__version__ = "0.9.4"
+__version__ = "0.9.5"

RNS/vendor/platformutils.py

@@ -1,3 +1,33 @@
+# Reticulum License
+#
+# Copyright (c) 2016-2025 Mark Qvist
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# - The Software shall not be used in any kind of system which includes amongst
+#   its functions the ability to purposefully do harm to human beings.
+#
+# - The Software shall not be used, directly or indirectly, in the creation of
+#   an artificial intelligence, machine learning or language model training
+#   dataset, including but not limited to any use that contributes to the
+#   training or development of such a model or algorithm.
+#
+# - The above copyright notice and this permission notice shall be included in
+#   all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
 def get_platform():
     from os import environ
     if "ANDROID_ARGUMENT" in environ: return "android"

docs/manual/_sources/understanding.rst.txt

@@ -858,9 +858,17 @@ of the different interface modes, and how they are configured.
 Cryptographic Primitives
 ------------------------
 
-Reticulum has been designed to use a simple suite of efficient, strong and modern
-cryptographic primitives, with widely available implementations that can be used
-both on general-purpose CPUs and on microcontrollers. The necessary primitives are:
+Reticulum uses a simple suite of efficient, strong and well-tested cryptographic
+primitives, with widely available implementations that can be used both on
+general-purpose CPUs and on microcontrollers.
+
+One of the primary considerations for choosing this particular set of primitives is
+that they can be implemented *safely* with relatively few pitfalls, on practically
+all current computing platforms.
+
+The primitives listed here **are authoritative**. Anything claiming to be Reticulum,
+but not using these exact primitives **is not** Reticulum, and possibly an
+intentionally compromised or weakened clone. The utilised primitives are:
 
 * Ed25519 for signatures
 
@@ -872,11 +880,11 @@ both on general-purpose CPUs and on microcontrollers. The necessary primitives a
 
   * Ephemeral keys derived from an ECDH key exchange on Curve25519
 
-  * AES-128 in CBC mode with PKCS7 padding
+  * AES-128 or AES-256 in CBC mode with PKCS7 padding
 
   * HMAC using SHA256 for message authentication
 
-  * IVs are generated through os.urandom()
+  * IVs must be generated through ``os.urandom()`` or better
 
   * No Fernet version and timestamp metadata fields
 
@@ -884,7 +892,7 @@ both on general-purpose CPUs and on microcontrollers. The necessary primitives a
 
 * SHA-512
 
-In the default installation configuration, the ``X25519``, ``Ed25519`` and ``AES-128-CBC``
+In the default installation configuration, the ``X25519``, ``Ed25519``, ``AES-128-CBC`` and ``AES-256-CBC``
 primitives are provided by `OpenSSL <https://www.openssl.org/>`_ (via the `PyCA/cryptography <https://github.com/pyca/cryptography>`_
 package). The hashing functions ``SHA-256`` and ``SHA-512`` are provided by the standard
 Python `hashlib <https://docs.python.org/3/library/hashlib.html>`_. The ``HKDF``, ``HMAC``,

docs/manual/_sources/whatis.rst.txt

@@ -68,7 +68,7 @@ What does Reticulum Offer?
 
   * Ephemeral per-packet and link keys and derived from an ECDH key exchange on Curve25519
 
-  * AES-128 in CBC mode with PKCS7 padding
+  * AES-128 or AES-256 in CBC mode with PKCS7 padding
 
   * HMAC using SHA256 for authentication
 

docs/manual/examples.html

@@ -3244,9 +3244,7 @@ interface to efficiently pass files of any size over a Reticulum <a class="refer
 Any number of custom interfaces can be loaded and utilised by Reticulum, and
 will be fully on-par with natively included interfaces, including all supported
 <a class="reference internal" href="interfaces.html#interfaces-modes"><span class="std std-ref">interface modes</span></a> and <a class="reference internal" href="interfaces.html#interfaces-options"><span class="std std-ref">common configuration options</span></a>.</p>
-<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="c1"># MIT License - Copyright (c) 2024 Mark Qvist / unsigned.io</span>
-
-<span class="c1"># This example illustrates creating a custom interface</span>
+<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="c1"># This example illustrates creating a custom interface</span>
 <span class="c1"># definition, that can be loaded and used by Reticulum at</span>
 <span class="c1"># runtime. Any number of custom interfaces can be created</span>
 <span class="c1"># and loaded. To use the interface place it in the folder</span>

docs/manual/understanding.html

@@ -1062,9 +1062,15 @@ of the different interface modes, and how they are configured.</p>
 </section>
 <section id="cryptographic-primitives">
 <span id="understanding-primitives"></span><h3>Cryptographic Primitives<a class="headerlink" href="#cryptographic-primitives" title="Permalink to this heading">#</a></h3>
-<p>Reticulum has been designed to use a simple suite of efficient, strong and modern
-cryptographic primitives, with widely available implementations that can be used
-both on general-purpose CPUs and on microcontrollers. The necessary primitives are:</p>
+<p>Reticulum uses a simple suite of efficient, strong and well-tested cryptographic
+primitives, with widely available implementations that can be used both on
+general-purpose CPUs and on microcontrollers.</p>
+<p>One of the primary considerations for choosing this particular set of primitives is
+that they can be implemented <em>safely</em> with relatively few pitfalls, on practically
+all current computing platforms.</p>
+<p>The primitives listed here <strong>are authoritative</strong>. Anything claiming to be Reticulum,
+but not using these exact primitives <strong>is not</strong> Reticulum, and possibly an
+intentionally compromised or weakened clone. The utilised primitives are:</p>
 <ul class="simple">
 <li><p>Ed25519 for signatures</p></li>
 <li><p>X25519 for ECDH key exchanges</p></li>
@@ -1072,16 +1078,16 @@ both on general-purpose CPUs and on microcontrollers. The necessary primitives a
 <li><p>Encrypted tokens are based on the Fernet spec</p>
 <ul>
 <li><p>Ephemeral keys derived from an ECDH key exchange on Curve25519</p></li>
-<li><p>AES-128 in CBC mode with PKCS7 padding</p></li>
+<li><p>AES-128 or AES-256 in CBC mode with PKCS7 padding</p></li>
 <li><p>HMAC using SHA256 for message authentication</p></li>
-<li><p>IVs are generated through os.urandom()</p></li>
+<li><p>IVs must be generated through <code class="docutils literal notranslate"><span class="pre">os.urandom()</span></code> or better</p></li>
 <li><p>No Fernet version and timestamp metadata fields</p></li>
 </ul>
 </li>
 <li><p>SHA-256</p></li>
 <li><p>SHA-512</p></li>
 </ul>
-<p>In the default installation configuration, the <code class="docutils literal notranslate"><span class="pre">X25519</span></code>, <code class="docutils literal notranslate"><span class="pre">Ed25519</span></code> and <code class="docutils literal notranslate"><span class="pre">AES-128-CBC</span></code>
+<p>In the default installation configuration, the <code class="docutils literal notranslate"><span class="pre">X25519</span></code>, <code class="docutils literal notranslate"><span class="pre">Ed25519</span></code>, <code class="docutils literal notranslate"><span class="pre">AES-128-CBC</span></code> and <code class="docutils literal notranslate"><span class="pre">AES-256-CBC</span></code>
 primitives are provided by <a class="reference external" href="https://www.openssl.org/">OpenSSL</a> (via the <a class="reference external" href="https://github.com/pyca/cryptography">PyCA/cryptography</a>
 package). The hashing functions <code class="docutils literal notranslate"><span class="pre">SHA-256</span></code> and <code class="docutils literal notranslate"><span class="pre">SHA-512</span></code> are provided by the standard
 Python <a class="reference external" href="https://docs.python.org/3/library/hashlib.html">hashlib</a>. The <code class="docutils literal notranslate"><span class="pre">HKDF</span></code>, <code class="docutils literal notranslate"><span class="pre">HMAC</span></code>,

docs/manual/whatis.html

@@ -279,7 +279,7 @@ considered complete and stable at the moment, but could change if absolutely war
 <li><p>Reticulum uses the following format for encrypted tokens:</p>
 <ul>
 <li><p>Ephemeral per-packet and link keys and derived from an ECDH key exchange on Curve25519</p></li>
-<li><p>AES-128 in CBC mode with PKCS7 padding</p></li>
+<li><p>AES-128 or AES-256 in CBC mode with PKCS7 padding</p></li>
 <li><p>HMAC using SHA256 for authentication</p></li>
 <li><p>IVs are generated through os.urandom()</p></li>
 </ul>

docs/source/understanding.rst

@@ -858,9 +858,17 @@ of the different interface modes, and how they are configured.
 Cryptographic Primitives
 ------------------------
 
-Reticulum has been designed to use a simple suite of efficient, strong and modern
-cryptographic primitives, with widely available implementations that can be used
-both on general-purpose CPUs and on microcontrollers. The necessary primitives are:
+Reticulum uses a simple suite of efficient, strong and well-tested cryptographic
+primitives, with widely available implementations that can be used both on
+general-purpose CPUs and on microcontrollers.
+
+One of the primary considerations for choosing this particular set of primitives is
+that they can be implemented *safely* with relatively few pitfalls, on practically
+all current computing platforms.
+
+The primitives listed here **are authoritative**. Anything claiming to be Reticulum,
+but not using these exact primitives **is not** Reticulum, and possibly an
+intentionally compromised or weakened clone. The utilised primitives are:
 
 * Ed25519 for signatures
 
@@ -872,11 +880,11 @@ both on general-purpose CPUs and on microcontrollers. The necessary primitives a
 
   * Ephemeral keys derived from an ECDH key exchange on Curve25519
 
-  * AES-128 in CBC mode with PKCS7 padding
+  * AES-128 or AES-256 in CBC mode with PKCS7 padding
 
   * HMAC using SHA256 for message authentication
 
-  * IVs are generated through os.urandom()
+  * IVs must be generated through ``os.urandom()`` or better
 
   * No Fernet version and timestamp metadata fields
 
@@ -884,7 +892,7 @@ both on general-purpose CPUs and on microcontrollers. The necessary primitives a
 
 * SHA-512
 
-In the default installation configuration, the ``X25519``, ``Ed25519`` and ``AES-128-CBC``
+In the default installation configuration, the ``X25519``, ``Ed25519``, ``AES-128-CBC`` and ``AES-256-CBC``
 primitives are provided by `OpenSSL <https://www.openssl.org/>`_ (via the `PyCA/cryptography <https://github.com/pyca/cryptography>`_
 package). The hashing functions ``SHA-256`` and ``SHA-512`` are provided by the standard
 Python `hashlib <https://docs.python.org/3/library/hashlib.html>`_. The ``HKDF``, ``HMAC``,

docs/source/whatis.rst

@@ -68,7 +68,7 @@ What does Reticulum Offer?
 
   * Ephemeral per-packet and link keys and derived from an ECDH key exchange on Curve25519
 
-  * AES-128 in CBC mode with PKCS7 padding
+  * AES-128 or AES-256 in CBC mode with PKCS7 padding
 
   * HMAC using SHA256 for authentication