Coverage for src/ensae_teaching_cs/data/crypt_helper.py : 100%
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1"""
2@file
3@brief Data for competitions
4"""
5from pyquickhelper.filehelper.encryption import encrypt_stream, decrypt_stream
8def encrypt_data(password, input, output):
9 """
10 Encrypts a file.
12 @param input input filename
13 @param output output filename
14 @param password The encryption key - a string that must be either 16, 24 or 32
15 bytes long. Longer keys are more secure. If the data to encrypt
16 is in bytes, the key must be given in bytes too.
17 """
18 if not isinstance(password, bytes):
19 password = bytes(password, "ascii")
20 encrypt_stream(password, input, output)
23def decrypt_data(password, input, output):
24 """
25 Decrypts a file.
27 @param input input filename
28 @param output output filename
29 @param password The encryption key - a string that must be either 16, 24 or 32
30 bytes long. Longer keys are more secure. If the data to encrypt
31 is in bytes, the key must be given in bytes too.
32 """
33 if not isinstance(password, bytes):
34 password = bytes(password, "ascii")
35 decrypt_stream(password, input, output)