import 'package:pointycastle/pointycastle.dart'; /// an object for the elements in the X.509 V3 extension block. class Extension { /// Key Usage static final ASN1ObjectIdentifier keyUsage = ASN1ObjectIdentifier.fromIdentifierString("2.5.29.15"); /// Subject Alternative Name static final ASN1ObjectIdentifier subjectAlternativeName = ASN1ObjectIdentifier.fromIdentifierString("2.5.29.17"); /// Basic Constraints static final ASN1ObjectIdentifier basicConstraints = ASN1ObjectIdentifier.fromIdentifierString("2.5.29.19"); /// Extended Key Usage static final ASN1ObjectIdentifier extendedKeyUsage = ASN1ObjectIdentifier.fromIdentifierString("2.5.29.37"); final ASN1ObjectIdentifier extnId; final bool critical; final ASN1OctetString value; Extension(this.extnId, this.critical, this.value); } enum ExtendedKeyUsage { SERVER_AUTH, CLIENT_AUTH, CODE_SIGNING, EMAIL_PROTECTION, TIME_STAMPING, OCSP_SIGNING, BIMI }