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package hash
import (
"fmt"
"strings"
"git.sigsum.org/sigsum-go/internal/fmtio"
"git.sigsum.org/sigsum-go/pkg/hex"
"git.sigsum.org/sigsum-go/pkg/merkle"
)
func Main(args []string) error {
if len(args) != 0 {
return fmt.Errorf("trailing arguments: %s", strings.Join(args, ", "))
}
s, err := fmtio.StringFromStdin()
if err != nil {
return fmt.Errorf("read stdin: %w", err)
}
pub, err := fmtio.PublicKeyFromHex(s)
if err != nil {
return fmt.Errorf("parse key: %w", err)
}
keyHash := merkle.HashFn(pub[:])
fmt.Printf("%s\n", hex.Serialize(keyHash[:]))
return nil
}
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