public static CertificationRequest Encode(CertificateRequestData requestData)
{
var publicKeyBytes = Asn1.Encode(new Sequence(
new DerInteger(requestData.Key.Modulus),
new DerInteger(requestData.Key.Exponent)
));
var certificationRequestInfo = new CertificationRequestInfo(
new DerInteger(0),
new Name(
/*new RelativeDistinguishedName(
* new AttributeTypeAndValue(new ObjectIdentifier(Oid.Attribute.C),
* new PrintableString(requestData.C))),
* new RelativeDistinguishedName(
* new AttributeTypeAndValue(new ObjectIdentifier(Oid.Attribute.S), new UTF8String(requestData.S))),
* new RelativeDistinguishedName(
* new AttributeTypeAndValue(new ObjectIdentifier(Oid.Attribute.L), new UTF8String(requestData.L))),
* new RelativeDistinguishedName(
* new AttributeTypeAndValue(new ObjectIdentifier(Oid.Attribute.O), new UTF8String(requestData.O))),
* new RelativeDistinguishedName(
* new AttributeTypeAndValue(new ObjectIdentifier(Oid.Attribute.OU), new UTF8String(requestData.OU))),*/
new RelativeDistinguishedName(
new AttributeTypeAndValue(new ObjectIdentifier(Oids.Attribute.CN), new UTF8String(requestData.CN)))),
new SubjectPublicKeyInfo(
new AlgorithmIdentifier(Oids.Algorithm.RSA),
new BitString(publicKeyBytes)),
new ContextSpecific());
var certificationRequestInfoBytes = Asn1.Encode(certificationRequestInfo);
var rsa = new RSACryptoServiceProvider();
rsa.ImportParameters(requestData.Key);
var signatureBytes = rsa.SignData(certificationRequestInfoBytes, SHA256.Create());
return(new CertificationRequest(
certificationRequestInfo: certificationRequestInfo,
signatureAlgorithm: new AlgorithmIdentifier(Oids.Algorithm.Sha256RSA),
signature: new BitString(signatureBytes)
));
}
public byte[] ToDerBytes()
{
return(Asn1.Encode(this));
}
public static byte[] EncodeAsDer(CertificateRequestData requestData)
{
var asn1 = Encode(requestData);
return(Asn1.Encode(asn1));
}