I intend to use Crypto++ XTS-AES for encrypting data. I tested XTS-AES
with the following NIST vector and got an unexpected
CT= 54a8629d76db46d0c516fca52c9c903baa3a635ddd56f09760f63252c8b46140 .
I call the following function:
XTS_Mode< AES >::Encryption e;
e.SetKeyWithIV(in_key, KeySize, in_iv, IVSize);
StringSource(in_plain_txt,svSize(plain_txt, 1),true,
new StreamTransformationFilter(e,
new StringSink(cipher),
StreamTransformationFilter::NO_PADDING
) // StreamTransformationFilter
); // StringSource
My questions:
- Does Crypto++ XTS-AES not support non-byte aligned data encryption
and decryption?
NIST vector :
COUNT = 301
DataUnitLen = 250
Key =
d6b58f6638f64c3692a5b53671c5d51e0abf5169437aacb363fbcfcb91f9f6b0f536d0e12dd662d3151a77524eae5ad5e1b9cf860199981edd09ccf99f86fcd2
i = f5bf2260198883d03b133810fafec16c
PT = 8b81371f87661e49b904c8272def606717c3050c125905d23a2f0c142132ee00
CT = 84a7f42be588fa36442d33f098ec56e554a8629d76db46d0c516fca52c9c9000
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