INNER CODE UNIT · Go

verify

aead/minisign · minisign.go:191

func verify(publicKey PublicKey, message, signature []byte, isHashed bool) bool {
	var s Signature
	if err := s.UnmarshalText(signature); err != nil {
		return false
	}
	if s.KeyID != publicKey.ID() {
		return false
	}
	if s.Algorithm == HashEdDSA && !isHashed {
		h := blake2b.Sum512(message)
		message = h[:]
	}
	if !ed25519.Verify(ed25519.PublicKey(publicKey.bytes[:]), message, s.Signature[:]) {
		return false
	}
	globalMessage := append(s.Signature[:], []byte(s.TrustedComment)...)
	return ed25519.Verify(ed25519.PublicKey(publicKey.bytes[:]), globalMessage, s.CommentSignature[:])
}

View source record →