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Add license header for Minio modifications, improvements for sha1,sha256,sha512 implementations

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Also bring in SSE3 optimized public domain implementation of SHA1 from Intel ``FIPS PUB 180-1``
This commit is contained in:
Harshavardhana
2015-02-21 13:40:54 -08:00
parent cfb1fe7f9d
commit 49a714d1a4
27 changed files with 1369 additions and 3 deletions
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5
pkg/utils/crypto/sha1/sha1block.go
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@@ -6,6 +6,7 @@ package sha1
// #include <stdint.h>
// #include <stdlib.h>
// void sha1_transform(int32_t *hash, const char* input, size_t num_blocks);
// void sha1_update_intel(int32_t *hash, const char* input, size_t num_blocks );
import "C"
import "unsafe"
@@ -20,6 +21,10 @@ func blockAVX2(dig *digest, p []byte) {
C.sha1_transform((*C.int32_t)(unsafe.Pointer(&dig.h[0])), (*C.char)(unsafe.Pointer(&p[0])), (C.size_t)(len(p)/chunk))
}
func blockSSE3(dig *digest, p []byte) {
C.sha1_update_intel((*C.int32_t)(unsafe.Pointer(&dig.h[0])), (*C.char)(unsafe.Pointer(&p[0])), (C.size_t)(len(p)/chunk))
}
// blockGeneric is a portable, pure Go version of the SHA1 block step.
// It's used by sha1block_generic.go and tests.
func blockGeneric(dig *digest, p []byte) {