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| author | Jeffrey Walton <noloader@gmail.com> | 2017-09-22 09:39:36 -0400 |
|---|---|---|
| committer | Jeffrey Walton <noloader@gmail.com> | 2017-09-22 09:39:36 -0400 |
| commit | ced7cff64f87ae4fec781e00e4e111f6c188dea2 (patch) | |
| tree | 9168956275ace8315535f1bdca70879d170cf5cd /ppc-simd.cpp | |
| parent | 3bd01f73bae3ded9bc5b01681151bcfaf252d7cf (diff) | |
| download | cryptopp-git-ced7cff64f87ae4fec781e00e4e111f6c188dea2.tar.gz | |
Add Power8 SHA256 and SHA512 support (GH #513)
Diffstat (limited to 'ppc-simd.cpp')
| -rw-r--r-- | ppc-simd.cpp | 41 |
1 files changed, 27 insertions, 14 deletions
diff --git a/ppc-simd.cpp b/ppc-simd.cpp index cabe8e7c..652c18cb 100644 --- a/ppc-simd.cpp +++ b/ppc-simd.cpp @@ -75,22 +75,15 @@ bool CPU_ProbeAltivec() result = false;
else
{
- CRYPTOPP_ALIGN_DATA(16)
const byte b1[16] = {0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
- CRYPTOPP_ALIGN_DATA(16)
const byte b2[16] = {1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1};
- CRYPTOPP_ALIGN_DATA(16) byte b3[16];
-#if defined(CRYPTOPP_XLC_VERSION)
- const uint8x16_p8 v1 = VectorLoad(0, b1);
- const uint8x16_p8 v2 = VectorLoad(0, b2);
- const uint8x16_p8 v3 = VectorXor(v1, v2);
- vec_st(v3, 0, (byte*)b3);
-#elif defined(CRYPTOPP_GCC_VERSION)
- const uint64x2_p8 v1 = (uint64x2_p8)VectorLoad(0, b1);
- const uint64x2_p8 v2 = (uint64x2_p8)VectorLoad(0, b2);
- const uint64x2_p8 v3 = (uint64x2_p8)VectorXor(v1, v2);
- vec_st((uint8x16_p8)v3, 0, (byte*)b3);
-#endif
+ byte b3[16];
+
+ const uint8x16_p8 v1 = (uint8x16_p8)VectorLoad(0, b1);
+ const uint8x16_p8 v2 = (uint8x16_p8)VectorLoad(0, b2);
+ const uint8x16_p8 v3 = (uint8x16_p8)VectorXor(v1, v2);
+ VectorStore(v3, b3);
+
result = (0 == std::memcmp(b2, b3, 16));
}
@@ -210,6 +203,8 @@ bool CPU_ProbeAES() uint8x16_p8 s = (uint8x16_p8)VectorLoad(0, state);
s = VectorEncrypt(s, k);
s = VectorEncryptLast(s, k);
+ s = VectorDecrypt(s, k);
+ s = VectorDecryptLast(s, k);
VectorStore(s, r);
result = (0 != std::memcmp(r, z, 16));
@@ -247,7 +242,16 @@ bool CPU_ProbeSHA256() result = false;
else
{
+ byte r[16], z[16] = {0};
+ uint8x16_p8 x = ((uint8x16_p8){0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0});
+
+ x = VectorSHA256<0,0>(x);
+ x = VectorSHA256<0,1>(x);
+ x = VectorSHA256<1,0>(x);
+ x = VectorSHA256<1,1>(x);
+ VectorStore(x, r);
+ result = (0 != std::memcmp(r, z, 16));
}
sigprocmask(SIG_SETMASK, (sigset_t*)&oldMask, NULLPTR);
@@ -282,7 +286,16 @@ bool CPU_ProbeSHA512() result = false;
else
{
+ byte r[16], z[16] = {0};
+ uint8x16_p8 x = ((uint8x16_p8){0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0});
+
+ x = VectorSHA512<0,0>(x);
+ x = VectorSHA512<0,1>(x);
+ x = VectorSHA512<1,0>(x);
+ x = VectorSHA512<1,1>(x);
+ VectorStore(x, r);
+ result = (0 != std::memcmp(r, z, 16));
}
sigprocmask(SIG_SETMASK, (sigset_t*)&oldMask, NULLPTR);
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