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add Storage Format section to README.txt

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alexmullins 2015-10-29 17:56:21 -05:00
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@ -64,3 +64,8 @@ used that was replaced by the encryption process mentioned in #8.
15. AE-1 keeps the CRC and should be verified after decompression. 15. AE-1 keeps the CRC and should be verified after decompression.
AE-2 removes the CRC and shouldn't be verified after decompression. AE-2 removes the CRC and shouldn't be verified after decompression.
Refer to http://www.winzip.com/aes_info.htm#winzip11 for the reasoning. Refer to http://www.winzip.com/aes_info.htm#winzip11 for the reasoning.
16. Storage Format (file data payload):
a. Salt - 8, 12, or 16 bytes depending on keysize
b. Password Verification Value - 2 bytes
c. Encrypted Data - UncompressedSize bytes
d. Authentication code - 10 bytes