-func NewMultiHasher() *MultiHasher {
- return &MultiHasher{
- sha256h: sha256.New(),
- sha512h: sha512.New(),
- streebog256h: gost34112012256.New(),
- streebog512h: gost34112012512.New(),
+func NewHasher(hashes string) *Hasher {
+ h := Hasher{}
+ for _, hc := range strings.Split(hashes, ",") {
+ cols := strings.SplitN(hc, ":", 2)
+ name, cmdline := cols[0], cols[1]
+ cmd := exec.Command(cmdline)
+ in, err := cmd.StdinPipe()
+ if err != nil {
+ log.Fatalln(err)
+ }
+ out, err := cmd.StdoutPipe()
+ if err != nil {
+ log.Fatalln(err)
+ }
+ if err = cmd.Start(); err != nil {
+ log.Fatalln(err)
+ }
+ h.names = append(h.names, name)
+ h.ins = append(h.ins, in)
+ h.outs = append(h.outs, out)
+ h.cmds = append(h.cmds, cmd)