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29 lines
902 B
Python
29 lines
902 B
Python
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from cryptography.hazmat.primitives.asymmetric.rsa import RSAPrivateKeyWithSerialization
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from cryptography.hazmat.primitives.serialization import load_pem_private_key, Encoding, PrivateFormat, PublicFormat, \
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NoEncryption
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def load_file(filename) -> bytes:
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with open(filename, 'rb') as file:
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content = file.read()
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return content
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def load_key(filename) -> RSAPrivateKeyWithSerialization:
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return load_pem_private_key(data=load_file(filename), password=None)
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def private_bytes(rsa: RSAPrivateKeyWithSerialization) -> bytes:
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return rsa.private_bytes(
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encoding=Encoding.PEM,
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format=PrivateFormat.TraditionalOpenSSL,
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encryption_algorithm=NoEncryption()
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)
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def public_key(rsa: RSAPrivateKeyWithSerialization) -> bytes:
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return rsa.public_key().public_bytes(
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encoding=Encoding.PEM,
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format=PublicFormat.SubjectPublicKeyInfo
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)
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