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Disable sha1,sha256,sha512 avx,avx2,sse3 crypto implementations.

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Re-implement them later, once stable
This commit is contained in:
Harshavardhana
2015-01-06 16:49:30 -08:00
parent d58f68ccaa
commit 462808b87a
11 changed files with 52 additions and 58 deletions
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71
pkg/crypto/sha1/sha1.go
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@@ -24,55 +24,50 @@ package sha1
import "C"
import (
gosha1 "crypto/sha1"
"errors"
"io"
"unsafe"
"github.com/minio-io/minio/pkg/cpu"
)
/*
const (
SHA1_BLOCKSIZE = 64
SHA1_DIGESTSIZE = 20
)
func Sha1(buffer []byte) ([]int32, error) {
if !cpu.HasAVX2() {
// Unsupported processor but do not error out tests
return []int32{0}, nil
if cpu.HasAVX2() {
var shbuf []int32
var cbuffer *C.char
shbuf = make([]int32, SHA1_DIGESTSIZE)
var length = len(buffer)
if length == 0 {
return []int32{0}, errors.New("Invalid input")
}
rem := length % SHA1_BLOCKSIZE
padded_len := length
if rem > 0 {
padded_len = length + (SHA1_BLOCKSIZE - rem)
}
rounds := padded_len / SHA1_BLOCKSIZE
pad := padded_len - length
if pad > 0 {
s := make([]byte, pad)
// Expand with new padded blocks to the byte array
buffer = append(buffer, s...)
}
cshbuf := (*C.int32_t)(unsafe.Pointer(&shbuf[0]))
cbuffer = (*C.char)(unsafe.Pointer(&buffer[0]))
C.sha1_transform(cshbuf, cbuffer, C.size_t(rounds))
return 0, nil
}
var shbuf []int32
var cbuffer *C.char
shbuf = make([]int32, SHA1_DIGESTSIZE)
var length = len(buffer)
if length == 0 {
return []int32{0}, errors.New("Invalid input")
}
rem := length % SHA1_BLOCKSIZE
padded_len := length
if rem > 0 {
padded_len = length + (SHA1_BLOCKSIZE - rem)
}
rounds := padded_len / SHA1_BLOCKSIZE
pad := padded_len - length
if pad > 0 {
s := make([]byte, pad)
// Expand with new padded blocks to the byte array
buffer = append(buffer, s...)
}
cshbuf := (*C.int32_t)(unsafe.Pointer(&shbuf[0]))
cbuffer = (*C.char)(unsafe.Pointer(&buffer[0]))
C.sha1_transform(cshbuf, cbuffer, C.size_t(rounds))
return shbuf, nil
}
*/
func Sum(reader io.Reader) ([]byte, error) {
hash := gosha1.New()
var err error