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Fix SHA feature detection on AIX 

This one should have been fixed before the Crypto++ 6.1 release. Its no big deal, however. Power8 accelerated SHA-256 is 1.5x to 2x slower than straight C++. SHA-512 may be better, but the implementation is not ready to performance test.
pull/595/head
Jeffrey Walton 2018-03-05 07:05:12 -05:00
parent f1a3da834a
commit 626c86987b
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GPG Key ID: B36AB348921B1838
1 changed files with 2 additions and 2 deletions
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ppc-simd.cpp
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@ -255,7 +255,7 @@ bool CPU_ProbeSHA256()
x = VectorSHA256<1,1>(x); x = VectorSHA256<1,1>(x);
VectorStore(x, r); VectorStore(x, r);
result = (0 != std::memcmp(r, z, 16)); result = (0 == std::memcmp(r, z, 16));
} }
sigprocmask(SIG_SETMASK, (sigset_t*)&oldMask, NULLPTR); sigprocmask(SIG_SETMASK, (sigset_t*)&oldMask, NULLPTR);
@ -299,7 +299,7 @@ bool CPU_ProbeSHA512()
x = VectorSHA512<1,1>(x); x = VectorSHA512<1,1>(x);
VectorStore(x, r); VectorStore(x, r);
result = (0 != std::memcmp(r, z, 16)); result = (0 == std::memcmp(r, z, 16));
} }
sigprocmask(SIG_SETMASK, (sigset_t*)&oldMask, NULLPTR); sigprocmask(SIG_SETMASK, (sigset_t*)&oldMask, NULLPTR);