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path: root/src/crypto/sha256/sha256.go
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Diffstat (limited to 'src/crypto/sha256/sha256.go')
-rw-r--r--src/crypto/sha256/sha256.go23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/crypto/sha256/sha256.go b/src/crypto/sha256/sha256.go
index 74b05b92d7..f386f83206 100644
--- a/src/crypto/sha256/sha256.go
+++ b/src/crypto/sha256/sha256.go
@@ -8,6 +8,7 @@ package sha256
import (
"crypto"
+ "crypto/internal/boring"
"hash"
)
@@ -80,6 +81,9 @@ func (d *digest) Reset() {
// New returns a new hash.Hash computing the SHA256 checksum.
func New() hash.Hash {
+ if boring.Enabled {
+ return boring.NewSHA256()
+ }
d := new(digest)
d.Reset()
return d
@@ -87,6 +91,9 @@ func New() hash.Hash {
// New224 returns a new hash.Hash computing the SHA224 checksum.
func New224() hash.Hash {
+ if boring.Enabled {
+ return boring.NewSHA224()
+ }
d := new(digest)
d.is224 = true
d.Reset()
@@ -103,6 +110,7 @@ func (d *digest) Size() int {
func (d *digest) BlockSize() int { return BlockSize }
func (d *digest) Write(p []byte) (nn int, err error) {
+ boring.Unreachable()
nn = len(p)
d.len += uint64(nn)
if d.nx > 0 {
@@ -126,6 +134,7 @@ func (d *digest) Write(p []byte) (nn int, err error) {
}
func (d0 *digest) Sum(in []byte) []byte {
+ boring.Unreachable()
// Make a copy of d0 so that caller can keep writing and summing.
d := *d0
hash := d.checkSum()
@@ -175,6 +184,13 @@ func (d *digest) checkSum() [Size]byte {
// Sum256 returns the SHA256 checksum of the data.
func Sum256(data []byte) [Size]byte {
+ if boring.Enabled {
+ h := New()
+ h.Write(data)
+ var ret [Size]byte
+ h.Sum(ret[:0])
+ return ret
+ }
var d digest
d.Reset()
d.Write(data)
@@ -183,6 +199,13 @@ func Sum256(data []byte) [Size]byte {
// Sum224 returns the SHA224 checksum of the data.
func Sum224(data []byte) (sum224 [Size224]byte) {
+ if boring.Enabled {
+ h := New224()
+ h.Write(data)
+ var ret [Size224]byte
+ h.Sum(ret[:0])
+ return ret
+ }
var d digest
d.is224 = true
d.Reset()