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49a714d1a4
Also bring in SSE3 optimized public domain implementation of SHA1 from Intel ``FIPS PUB 180-1``
40 lines
1.5 KiB
Go
40 lines
1.5 KiB
Go
// +build amd64
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//
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// Mini Object Storage, (C) 2015 Minio, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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package sha256
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// #cgo CFLAGS: -DHAS_SSE41 -DHAS_AVX -DHAS_AVX2
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// #include <stdint.h>
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// void sha256_transform_ssse3 (const char *input_data, uint32_t *digest, unsigned long num_blks);
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// void sha256_transform_avx (const char *input_data, uint32_t *digest, unsigned long num_blks);
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// void sha256_transform_rorx (const char *input_data, uint32_t *digest, unsigned long num_blks);
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import "C"
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import "unsafe"
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func blockSSE(dig *digest, p []byte) {
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C.sha256_transform_ssse3((*C.char)(unsafe.Pointer(&p[0])), (*C.uint32_t)(unsafe.Pointer(&dig.h[0])), (C.ulong)(len(p)/64))
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}
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func blockAVX(dig *digest, p []byte) {
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C.sha256_transform_avx((*C.char)(unsafe.Pointer(&p[0])), (*C.uint32_t)(unsafe.Pointer(&dig.h[0])), (C.ulong)(len(p)/64))
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}
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func blockAVX2(dig *digest, p []byte) {
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C.sha256_transform_rorx((*C.char)(unsafe.Pointer(&p[0])), (*C.uint32_t)(unsafe.Pointer(&dig.h[0])), (C.ulong)(len(p)/64))
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}
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