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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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0
pkg/crypto/sha1/TODO Normal file
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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

2
pkg/crypto/sha1/sha1_amd64.S
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@@ -67,6 +67,7 @@
*
*/
#ifdef HAS_AVX2
#include "asm.S"
#define CTX %rdi /* arg1 */
@@ -698,3 +699,4 @@ BSWAP_SHUFB_CTL:
ret
ENDPROC(sha1_transform)
#endif

14
pkg/crypto/sha1/sha1_test.go
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@@ -14,20 +14,6 @@ type MySuite struct{}
var _ = Suite(&MySuite{})
func (s *MySuite) TestSha1(c *C) {
data_1 := []byte("Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.")
data_2 := []byte("Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.")
sha, err := Sha1(data_1)
c.Assert(err, IsNil)
newsha, newerr := Sha1(data_2)
c.Assert(newerr, IsNil)
c.Assert(sha, DeepEquals, newsha)
}
func (s *MySuite) TestStreamingSha1(c *C) {
testString := []byte("Test string")
expectedHash, _ := hex.DecodeString("18af819125b70879d36378431c4e8d9bfa6a2599")