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fix backwards compatibility for unencrypted repos

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This commit is contained in:
Thomas Waldmann 2015-03-23 00:11:52 +01:00
parent 012d6448d2
commit c759eeee1e
1 changed files with 6 additions and 3 deletions
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9
attic/key.py
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@ -652,16 +652,19 @@ def legacy_parser(all_data, key_type): # all rather hardcoded
"""
offset = 1
if key_type == PlaintextKey.TYPE:
mac_type = SHA256.TYPE
mac = None
cipher_type = PLAIN.TYPE
iv = None
data = all_data[offset:]
else:
mac_type = HMAC_SHA256.TYPE
mac = all_data[offset:offset+32]
cipher_type = AES_CTR_HMAC.TYPE
iv = PREFIX + all_data[offset+32:offset+40]
data = all_data[offset+40:]
meta = Meta(compr_type=6, key_type=key_type,
mac_type=HMAC_SHA256.TYPE, cipher_type=AES_CTR_HMAC.TYPE,
iv=iv, legacy=True)
meta = Meta(compr_type=6, key_type=key_type, mac_type=mac_type,
cipher_type=cipher_type, iv=iv, legacy=True)
return mac, meta, data
def parser00(all_data):