func unmarshalPEMToPublicKey()

in server/signedcontainer/internal/convert/convert.go [28:41]

• 14 lines of code
• 4 McCabe index (conditional complexity)

func unmarshalPEMToPublicKey(pemBytes []byte) (crypto.PublicKey, error) {
	block, _ := pem.Decode(pemBytes)
	if block == nil {
		return nil, errors.New("no PEM data found, failed to decode PEM-encoded byte slice")
	}
	switch block.Type {
	case "PUBLIC KEY":
		return x509.ParsePKIXPublicKey(block.Bytes)
	case "RSA PUBLIC KEY":
		return x509.ParsePKCS1PublicKey(block.Bytes)
	default:
		return nil, fmt.Errorf("unsupported public key type: %v", block.Type)
	}
}