return
}
-func (d0 *digest) Sum() []byte {
+func (d0 *digest) Sum(in []byte) []byte {
// Make a copy of d0, so that caller can keep writing and summing.
d := new(digest)
*d = *d0
panic("d.nx != 0")
}
- p := make([]byte, 16)
- j := 0
for _, s := range d.s {
- p[j+0] = byte(s >> 0)
- p[j+1] = byte(s >> 8)
- p[j+2] = byte(s >> 16)
- p[j+3] = byte(s >> 24)
- j += 4
+ in = append(in, byte(s>>0))
+ in = append(in, byte(s>>8))
+ in = append(in, byte(s>>16))
+ in = append(in, byte(s>>24))
}
- return p
+ return in
}