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20 lines
615 B
Go
20 lines
615 B
Go
// +build amd64
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package sha1
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// #cgo CFLAGS: -DHAS_AVX2
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// #include <stdint.h>
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// #include <stdlib.h>
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// void sha1_transform(int32_t *hash, const char* input, size_t num_blocks);
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// void sha1_update_intel(int32_t *hash, const char* input, size_t num_blocks);
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import "C"
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import "unsafe"
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func blockAVX2(dig *digest, p []byte) {
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C.sha1_transform((*C.int32_t)(unsafe.Pointer(&dig.h[0])), (*C.char)(unsafe.Pointer(&p[0])), (C.size_t)(len(p)/chunk))
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}
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func blockSSE3(dig *digest, p []byte) {
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C.sha1_update_intel((*C.int32_t)(unsafe.Pointer(&dig.h[0])), (*C.char)(unsafe.Pointer(&p[0])), (C.size_t)(len(p)/chunk))
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}
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