encode method
Implementation
String encode() {
ASN1Sequence sequence = ASN1Sequence();
ASN1Sequence algorithm = ASN1Sequence();
ASN1Object paramsAsn1Obj =
ASN1Object.fromBytes(Uint8List.fromList([0x5, 0x0]));
algorithm
.add(ASN1ObjectIdentifier.fromIdentifierString('1.2.840.113549.1.1.1'));
algorithm.add(paramsAsn1Obj);
ASN1Sequence publicKeySequence = ASN1Sequence();
ASN1Integer modulus = ASN1Integer(this.modulus);
ASN1Integer exponent = ASN1Integer(this.exponent);
publicKeySequence.add(modulus);
publicKeySequence.add(exponent);
publicKeySequence.encode();
ASN1BitString publicKeyBitString = ASN1BitString();
publicKeyBitString.stringValues = publicKeySequence.encodedBytes;
sequence.add(algorithm);
sequence.add(publicKeyBitString);
sequence.encode();
return base64.encode(sequence.encodedBytes!);
}