func ParsePubSignKey()

in sec/sign.go [150:170]

• 18 lines of code
• 5 McCabe index (conditional complexity)

func ParsePubSignKey(keyBytes []byte) (PubSignKey, error) {
	key := PubSignKey{}

	itf, err := parsePubPemKey(keyBytes)
	if err != nil {
		return key, err
	}

	switch pub := itf.(type) {
	case *rsa.PublicKey:
		key.Rsa = pub
	case *ecdsa.PublicKey:
		key.Ec = pub
	case ed25519.PublicKey:
		key.Ed25519 = pub
	default:
		return key, errors.Errorf("unknown public signing key type: %T", pub)
	}

	return key, nil
}