f0e49785f6
Fix incorrect SPECK-128 decrypt when blocks >= 6
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Add defines for CRYPTOPP_SPECK64_ADVANCED_PROCESS_BLOCKS and CRYPTOPP_SPECK128_ADVANCED_PROCESS_BLOCKS
2017-12-03 09:00:39 -05:00
6bb1f1d9c4
Add SPECK-64 SSE intrinsics
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Performance went from about 11.9 cpb (C++) to about 4.5 cpb (SSE)
2017-12-03 02:28:40 -05:00
61ec50dabe
Change Doxygen comment style from //! to ///
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Also see https://groups.google.com/forum/#!topic/cryptopp-users/A7-Xt5Knlzw
2017-11-29 10:54:33 -05:00
4f2d6f713f
Switch to rotlConstant and rotrConstant
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Update comments
2017-11-24 17:54:12 -05:00
304809a65d
Add NEON and ASIMD intrinsics for SPECK-128 (GH #538 )
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Performance increased by about 115% on a 980 MHz BananaPi dev-board. Throughput went from about 46.2 cpb to about 21.5 cpb.
2017-11-23 02:47:44 -05:00
39697d92bf
Add SSSE3 intrinsics for SPECK-128 (GH #538 )
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Performance increased by about 100% on a 3.1 GHz Core i5 Skylake. Throughput went from about 7.3 cpb to about 3.5 cpb. Not bad for a software-based implementation of a block cipher
2017-11-22 07:57:39 -05:00
b4cecfef95
Rework UncheckedSetKey to rearrange words in ExpandKey (GH #538 )
2017-11-21 17:43:28 -05:00
5007c13fbd
Switch to size_t for loop control
2017-11-21 04:55:41 -05:00
78922e9c85
Remove unneeded include
2017-11-21 03:01:23 -05:00
0dcec5a6d4
Clear unused variable warning for MSVC
2017-11-20 23:53:17 -05:00
c7760ac4e9
Use SPECK_ExpandKey instead of SPECK_RoundKeys
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The reference implementation uses ExpandKey
2017-11-20 23:21:15 -05:00
6cc89a983d
Update documentation
2017-11-20 20:03:39 -05:00
4b3560baef
Update documentation
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Whitespace check-in
2017-11-20 08:33:33 -05:00
b9fc470bc7
Add SPECK-64 and SPECK-128 lightweight block ciphers (GH #538 )
2017-11-20 06:30:21 -05:00
Jeffrey Walton