Git-Mirrors/Reticulum
1
0
Fork 0
mirror of https://github.com/markqvist/Reticulum.git synced 2025-05-02 22:54:54 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

Expanded address space to 128 bits

Browse source
This commit is contained in:
Mark Qvist 2022-06-30 14:02:57 +02:00
parent 2be1c7633d
commit 5faf13d505
7 changed files with 35 additions and 35 deletions
Download patch file Download diff file Expand all files Collapse all files

9
RNS/Cryptography/Fernet.py
View file

@ -29,8 +29,7 @@ from RNS.Cryptography.AES import AES_128_CBC
class Fernet():
FERNET_VERSION = 0x80
FERNET_OVERHEAD = 57 # In bytes
OPTIMISED_FERNET_OVERHEAD = 54 # In bytes
FERNET_OVERHEAD = 48 # In bytes
@staticmethod
def generate_key():
@ -73,7 +72,7 @@ class Fernet():
iv = iv,
)
signed_parts = b"\x80"+current_time.to_bytes(length=8, byteorder="big")+iv+ciphertext
signed_parts = iv+ciphertext
return signed_parts + HMAC.new(self._signing_key, signed_parts).digest()
@ -85,8 +84,8 @@ class Fernet():
if not self.verify_hmac(token):
raise ValueError("Fernet token HMAC was invalid")
iv = token[9:25]
ciphertext = token[25:-32]
iv = token[:16]
ciphertext = token[16:-32]
try:
plaintext = PKCS7.unpad(