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fix TypeError in errorhandler, fixes #1903

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This commit is contained in:
Thomas Waldmann 2016-11-30 00:37:30 +01:00
parent b25de0ab38
commit 989b2286ff
1 changed files with 4 additions and 2 deletions
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6
borg/key.py
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@ -143,11 +143,13 @@ def encrypt(self, data):
def decrypt(self, id, data):
if not (data[0] == self.TYPE or
data[0] == PassphraseKey.TYPE and isinstance(self, RepoKey)):
raise IntegrityError('Chunk %s: Invalid encryption envelope' % bin_to_hex(id))
id_str = bin_to_hex(id) if id is not None else '(unknown)'
raise IntegrityError('Chunk %s: Invalid encryption envelope' % id_str)
hmac_given = memoryview(data)[1:33]
hmac_computed = memoryview(HMAC(self.enc_hmac_key, memoryview(data)[33:], sha256).digest())
if not compare_digest(hmac_computed, hmac_given):
raise IntegrityError('Chunk %s: Encryption envelope checksum mismatch' % bin_to_hex(id))
id_str = bin_to_hex(id) if id is not None else '(unknown)'
raise IntegrityError('Chunk %s: Encryption envelope checksum mismatch' % id_str)
self.dec_cipher.reset(iv=PREFIX + data[33:41])
data = self.compressor.decompress(self.dec_cipher.decrypt(data[41:]))
if id: