> 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. >
We switch to 6x blocks at a time: * https://github.com/weidai11/cryptopp/commit/58890ff05396 And then we refactored to cleanup LoadT() and StoreT(); and added a ReverseT(): * https://github.com/weidai11/cryptopp/commit/2c18fe8af8b4e7 We are now running around 0.8 cpb for AES-128/ECB. Jeff -- -- You received this message because you are subscribed to the "Crypto++ Users" Google Group. To unsubscribe, send an email to cryptopp-users-unsubscr...@googlegroups.com. More information about Crypto++ and this group is available at http://www.cryptopp.com. --- You received this message because you are subscribed to the Google Groups "Crypto++ Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to cryptopp-users+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
