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comparison libervia/backend/memory/crypto.py @ 4270:0d7bb4df2343

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Reformatted code base using black.
author Goffi <goffi@goffi.org>
date Wed, 19 Jun 2024 18:44:57 +0200
parents 4b842c1fb686
children
comparison
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4269:64a85ce8be70 4270:0d7bb4df2343
55 else BlockCipher.pad(key) 55 else BlockCipher.pad(key)
56 ) 56 )
57 57
58 cipher = Cipher(algorithms.AES(key), modes.CFB8(iv), backend=crypto_backend) 58 cipher = Cipher(algorithms.AES(key), modes.CFB8(iv), backend=crypto_backend)
59 encryptor = cipher.encryptor() 59 encryptor = cipher.encryptor()
60 encrypted = encryptor.update(BlockCipher.pad(text.encode())) + encryptor.finalize() 60 encrypted = (
61 encryptor.update(BlockCipher.pad(text.encode())) + encryptor.finalize()
62 )
61 return b64encode(iv + encrypted).decode() 63 return b64encode(iv + encrypted).decode()
62 64
63 @staticmethod 65 @staticmethod
64 def decrypt(key, ciphertext, leave_empty=True): 66 def decrypt(key, ciphertext, leave_empty=True):
65 """Decrypt a message. 67 """Decrypt a message.
147 # and must be changed as soon as possible 149 # and must be changed as soon as possible
148 algorithm=hashes.SHA1(), 150 algorithm=hashes.SHA1(),
149 length=16, 151 length=16,
150 salt=salt, 152 salt=salt,
151 iterations=1000, 153 iterations=1000,
152 backend=crypto_backend 154 backend=crypto_backend,
153 ) 155 )
154 key = kdf.derive(password.encode()) 156 key = kdf.derive(password.encode())
155 return b64encode(salt + key).decode() 157 return b64encode(salt + key).decode()
156 158
157 @staticmethod 159 @staticmethod