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Code Issues Releases Wiki Activity

use hmac.compare_digest instead of ==, fixes #6470

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Thomas Waldmann 2022-03-26 18:50:53 +01:00
parent 23b27cfd0c
commit fe7eb5702b
1 changed files with 1 additions and 1 deletions
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src/borg/crypto/key.py
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@ -434,7 +434,7 @@ def decrypt_key_file(self, data, passphrase):
assert enc_key.algorithm == 'sha256'
key = passphrase.kdf(enc_key.salt, enc_key.iterations, 32)
data = AES(key, b'\0'*16).decrypt(enc_key.data)
if hmac_sha256(key, data) == enc_key.hash:
if hmac.compare_digest(hmac_sha256(key, data), enc_key.hash):
return data
def encrypt_key_file(self, data, passphrase):