Non need to marshal temporary buffers

diff --git a/internal/gost34112012/hash.go b/internal/gost34112012/hash.go
index 2c8fa3a072be6fb20823a0d63d88c5a4158bff58..f4cb8817d11bfc8267baec7cc5c18d9c7f3fa13f 100644 (file)
--- a/internal/gost34112012/hash.go
+++ b/internal/gost34112012/hash.go
@@ -409,25 +409,23 @@ func l(data *[BlockSize]byte) *[BlockSize]byte {
 }
 
 func (h *Hash) MarshalBinary() (data []byte, err error) {
-       data = make([]byte, len(MarshaledName)+1+8+3*BlockSize+len(h.buf))
+       data = make([]byte, len(MarshaledName)+1+8+2*BlockSize+len(h.buf))
        copy(data, []byte(MarshaledName))
        idx := len(MarshaledName)
        data[idx] = byte(h.size)
        idx += 1
        binary.BigEndian.PutUint64(data[idx:idx+8], h.n)
        idx += 8
-       copy(data[idx:], h.hsh[:])
+       copy(data[idx:], h.hsh)
        idx += BlockSize
-       copy(data[idx:], h.chk[:])
-       idx += BlockSize
-       copy(data[idx:], h.tmp[:])
+       copy(data[idx:], h.chk)
        idx += BlockSize
        copy(data[idx:], h.buf)
        return
 }
 
 func (h *Hash) UnmarshalBinary(data []byte) error {
-       expectedLen := len(MarshaledName) + 1 + 8 + 3*BlockSize
+       expectedLen := len(MarshaledName) + 1 + 8 + 2*BlockSize
        if len(data) < expectedLen {
                return fmt.Errorf("gogost/internal/gost34112012: len(data) != %d", expectedLen)
        }
@@ -439,11 +437,9 @@ func (h *Hash) UnmarshalBinary(data []byte) error {
        idx += 1
        h.n = binary.BigEndian.Uint64(data[idx : idx+8])
        idx += 8
-       copy(h.hsh[:], data[idx:])
-       idx += BlockSize
-       copy(h.chk[:], data[idx:])
+       copy(h.hsh, data[idx:])
        idx += BlockSize
-       copy(h.tmp[:], data[idx:])
+       copy(h.chk, data[idx:])
        idx += BlockSize
        h.buf = data[idx:]
        return nil