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59edd18c34
This PR was rebased on newest main, but was written a long time ago when all the framework test-files were still in experimental. I have not re-written my local git-history, since there are MANY updates to those files (and I dare not risk it).
33 lines
1.1 KiB
Python
33 lines
1.1 KiB
Python
from cryptography.hazmat.primitives.ciphers import algorithms, Cipher
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import os
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key = os.urandom(256//8)
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algorithm = algorithms.ARC4(key)
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cipher = Cipher(algorithm, mode=None)
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# ------------------------------------------------------------------------------
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# encrypt/decrypt
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# ------------------------------------------------------------------------------
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# following https://cryptography.io/en/latest/hazmat/primitives/symmetric-encryption.html#cryptography.hazmat.primitives.ciphers.algorithms.ARC4
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print("encrypt/decrypt")
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secret_message = b"secret message"
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encryptor = cipher.encryptor()
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encrypted = encryptor.update(secret_message) # $ CryptographicOperation CryptographicOperationAlgorithm=ARC4 CryptographicOperationInput=secret_message
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encrypted += encryptor.finalize()
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print("encrypted={}".format(encrypted))
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print()
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decryptor = cipher.decryptor()
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decrypted = decryptor.update(encrypted) # $ CryptographicOperation CryptographicOperationAlgorithm=ARC4 CryptographicOperationInput=encrypted
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decrypted += decryptor.finalize()
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print("decrypted={}".format(decrypted))
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assert decrypted == secret_message
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