mirror of
https://github.com/markqvist/Reticulum.git
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71 lines
2.5 KiB
Python
71 lines
2.5 KiB
Python
# Reticulum License
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#
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# Copyright (c) 2016-2025 Mark Qvist
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# - The Software shall not be used in any kind of system which includes amongst
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# its functions the ability to purposefully do harm to human beings.
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#
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# - The Software shall not be used, directly or indirectly, in the creation of
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# an artificial intelligence, machine learning or language model training
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# dataset, including but not limited to any use that contributes to the
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# training or development of such a model or algorithm.
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#
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# - The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import os
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from .pure25519 import ed25519_oop as ed25519
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class Ed25519PrivateKey:
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def __init__(self, seed):
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self.seed = seed
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self.sk = ed25519.SigningKey(self.seed)
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#self.vk = self.sk.get_verifying_key()
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@classmethod
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def generate(cls):
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return cls.from_private_bytes(os.urandom(32))
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@classmethod
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def from_private_bytes(cls, data):
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return cls(seed=data)
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def private_bytes(self):
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return self.seed
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def public_key(self):
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return Ed25519PublicKey.from_public_bytes(self.sk.vk_s)
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def sign(self, message):
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return self.sk.sign(message)
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class Ed25519PublicKey:
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def __init__(self, seed):
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self.seed = seed
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self.vk = ed25519.VerifyingKey(self.seed)
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@classmethod
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def from_public_bytes(cls, data):
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return cls(data)
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def public_bytes(self):
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return self.vk.to_bytes()
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def verify(self, signature, message):
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self.vk.verify(signature, message)
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