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bugfix

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yumoqing 2025-08-14 15:56:52 +08:00
parent 20eb1b19d3
commit b8f989a947
1 changed files with 17 additions and 5 deletions
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22
appPublic/aes.py
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@ -1,3 +1,4 @@
import base64
from cryptography.hazmat.primitives import padding from cryptography.hazmat.primitives import padding
from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes from cryptography.hazmat.primitives.ciphers import Cipher, algorithms, modes
from cryptography.hazmat.backends import default_backend from cryptography.hazmat.backends import default_backend
@ -25,7 +26,7 @@ def aes_encrypt_ecb(key: bytes, plaintext: str) -> bytes:
key = len32(key) key = len32(key)
cipher = Cipher(algorithms.AES(key), modes.ECB(), backend=default_backend()) cipher = Cipher(algorithms.AES(key), modes.ECB(), backend=default_backend())
encryptor = cipher.encryptor() encryptor = cipher.encryptor()
padded_data = pad(plaintext.encode()) padded_data = pad(plaintext.encode('iso-8859-1'))
return encryptor.update(padded_data) + encryptor.finalize() return encryptor.update(padded_data) + encryptor.finalize()
def aes_decrypt_ecb(key: bytes, ciphertext: bytes) -> str: def aes_decrypt_ecb(key: bytes, ciphertext: bytes) -> str:
@ -33,12 +34,23 @@ def aes_decrypt_ecb(key: bytes, ciphertext: bytes) -> str:
cipher = Cipher(algorithms.AES(key), modes.ECB(), backend=default_backend()) cipher = Cipher(algorithms.AES(key), modes.ECB(), backend=default_backend())
decryptor = cipher.decryptor() decryptor = cipher.decryptor()
padded_plain = decryptor.update(ciphertext) + decryptor.finalize() padded_plain = decryptor.update(ciphertext) + decryptor.finalize()
return unpad(padded_plain).decode() return unpad(padded_plain).decode('iso-8859-1')
def aes_encode_b64(key:str, text:str) -> str:
key = key.encode('iso-8859-1')
cyber = aes_encrypt_ecb(key, text)
secret = cyber.decode('iso-8859-1')
return base64.b64encode(cyber).decode('iso-8859-1')
def aes_decode_b64(key:str, b64str:str) -> str:
key = key.encode('iso-8859-1')
b64b = b64str.encode('iso-8859-1')
cyber = base64.b64decode(b64b)
return aes_decrypt_ecb(key, cyber)
if __name__ == '__main__': if __name__ == '__main__':
key = b'67t832ufbj43riu8' key = '67t832ufbj43riu8ewrg'
o = 'this is s test string' o = 'this is s test string'
b = aes_encrypt_ecb(key, o) b = aes_encode_b64(key, o)
t = aes_decrypt_ecb(key, b) t = aes_decode_b64(key, b)
print(f'{o=},{b=},{t=}') print(f'{o=},{b=},{t=}')