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| author | jsing <> | 2024-12-04 13:13:33 +0000 |
|---|---|---|
| committer | jsing <> | 2024-12-04 13:13:33 +0000 |
| commit | 2de3ee8c5940ebad54feb4303f6fc816daca784b (patch) | |
| tree | 6adf1634c082704fca00fea488f843d1345662b2 /src/lib/libcrypto/dsa/dsa_meth.c | |
| parent | 703bddb95d0d05878d0df6fcb67913f30f9dfabe (diff) | |
| download | openbsd-2de3ee8c5940ebad54feb4303f6fc816daca784b.tar.gz openbsd-2de3ee8c5940ebad54feb4303f6fc816daca784b.tar.bz2 openbsd-2de3ee8c5940ebad54feb4303f6fc816daca784b.zip | |
Provide a replacement assembly implementation for SHA-1 on amd64.
As already done for SHA-256 and SHA-512, replace the perlasm generated
SHA-1 assembly implementation with one that is actually readable. Call the
assembly implementation from a C wrapper that can, in the future, dispatch
to alternate implementations. On a modern CPU the performance is around
5% faster than the base implementation generated by sha1-x86_64.pl, however
it is around 15% slower than the excessively complex SSSE2/AVX version that
is also generated by the same script (a SHA-NI version will greatly
outperform this and is much cleaner/simpler).
ok tb@
Diffstat (limited to 'src/lib/libcrypto/dsa/dsa_meth.c')
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