encoded property

Implementation

Uint8List? get encoded {
  var oid = OID.fromValue(algOid);
  var keyData = pkBlock?.subAtIndex(1)?.value ?? null;

  if (oid != null && algOid != null && keyData != null) {
    if (oid == OID.ecPublicKey) {
      return Uint8List.fromList(keyData);
    } else if (oid == OID.rsaEncryption) {
      List<ASN1Object>? publicKeyAsn1Objects;
      try {
        publicKeyAsn1Objects = ASN1DERDecoder.decode(
          data: keyData.toList(growable: true),
        );
      } catch (e) {}

      if (publicKeyAsn1Objects != null && publicKeyAsn1Objects.length > 0) {
        var publicKeyModulus = publicKeyAsn1Objects.first
            .subAtIndex(0)
            ?.value;
        if (publicKeyModulus != null) {
          return Uint8List.fromList(publicKeyModulus);
        }
      }
    }
  }
  return null;
}