diff options
Diffstat (limited to 'src/pkg/crypto/sha256/sha256.go')
| -rw-r--r-- | src/pkg/crypto/sha256/sha256.go | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/src/pkg/crypto/sha256/sha256.go b/src/pkg/crypto/sha256/sha256.go index d69ed24a3..d84cebf2f 100644 --- a/src/pkg/crypto/sha256/sha256.go +++ b/src/pkg/crypto/sha256/sha256.go @@ -3,7 +3,7 @@ // license that can be found in the LICENSE file. // Package sha256 implements the SHA224 and SHA256 hash algorithms as defined -// in FIPS 180-2. +// in FIPS 180-4. package sha256 import ( @@ -106,16 +106,10 @@ func (d *digest) Write(p []byte) (nn int, err error) { nn = len(p) d.len += uint64(nn) if d.nx > 0 { - n := len(p) - if n > chunk-d.nx { - n = chunk - d.nx - } - for i := 0; i < n; i++ { - d.x[d.nx+i] = p[i] - } + n := copy(d.x[d.nx:], p) d.nx += n if d.nx == chunk { - block(d, d.x[0:]) + block(d, d.x[:]) d.nx = 0 } p = p[n:] |