On Tuesday, September 12, 2017 at 6:22:47 AM UTC-4, Jeffrey Walton wrote:
>
>
> We cut-in AES encryption for Power8 and its in-core crypto. Also see 
>> commit https://github.com/weidai11/cryptopp/commit/7fb34e9b0894.
>>
>> AES decryption is still outstanding. Crypto++ uses "Equivalent Inverse 
>> Cipher" (FIPS-197, Section 5.3.5, p.23), and it is not compatible with IBM 
>> hardware. We need to rework the key schedule algorithm before we can move 
>> forward.
>>
>
> The Power8 AES decryption was added at 
> https://github.com/weidai11/cryptopp/commit/b090e5f69fe7.
>
> The final task will be the 4 or 8 blocks at a time.
>

The final cut-in added AdvancedProcessBlocks, which provides 4 blocks at a 
time for encryption and decryption. Also see 
https://github.com/weidai11/cryptopp/commit/6899d3f8bb06.

We are running around 1.6 cpb. For comparison, Botan is running near 1 cpb 
and OpenSSL is running around 0.7 cpb.

Jeff

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