/// <summary>
/// Changes the primary user id of a public key
/// </summary>
/// <param name="newPUID">the certified user id to se as primary</param>
/// <param name="KeyID">the keyID to execute the operation for</param>
/// <param name="strPassphrase"></param>
public void changePrimaryUserID(CertifiedUserID newPUID, ulong KeyID, string strPassphrase)
{
TransportablePublicKey tpkKey = this.PublicRing.Find(KeyID,false);
TransportableSecretKey tskKey = this.SecretRing.Find(KeyID);
if (tpkKey!=null && tskKey!=null) {
CertifiedUserID oldPUID = tpkKey.PrimaryUserIDCert;
if (oldPUID!=newPUID) {
bool updated = false;
for (int k = 0; k < oldPUID.Certificates.Count; k++) {
SignaturePacket sp = (SignaturePacket)oldPUID.Certificates[k];
if(sp.SignatureType == SignatureTypes.UserIDSignature ||
sp.SignatureType == SignatureTypes.UserIDSignature_CasualVerification ||
sp.SignatureType == SignatureTypes.UserIDSignature_NoVerification ||
sp.SignatureType == SignatureTypes.UserIDSignature_PositivVerification)
{
foreach (SignatureSubPacket ssp in sp.HashedSubPackets) {
if(ssp.Type == SignatureSubPacketTypes.PrimaryUserID) {
ssp.PrimaryUserID = false;
updated = true;
}
}
if (!updated) {
foreach(SignatureSubPacket ssp in sp.UnhashedSubPackets) {
if(ssp.Type == SignatureSubPacketTypes.PrimaryUserID) {
ssp.PrimaryUserID = false;
updated = true;
}
}
}
if (updated) {
oldPUID.Certificates.Remove(sp);
oldPUID.Sign(sp, tskKey.PrimaryKey, strPassphrase, tpkKey.PrimaryKey);
break;
}
}
}
updated = false;
for (int k = 0; k < oldPUID.Certificates.Count; k++) {
SignaturePacket sp = (SignaturePacket)newPUID.Certificates[k];
if (sp.SignatureType == SignatureTypes.UserIDSignature ||
sp.SignatureType == SignatureTypes.UserIDSignature_CasualVerification ||
sp.SignatureType == SignatureTypes.UserIDSignature_NoVerification ||
sp.SignatureType == SignatureTypes.UserIDSignature_PositivVerification)
{
foreach(SignatureSubPacket ssp in sp.HashedSubPackets) {
if(ssp.Type == SignatureSubPacketTypes.PrimaryUserID) {
ssp.PrimaryUserID = true;
updated = true;
}
}
if (!updated) {
foreach (SignatureSubPacket ssp in sp.UnhashedSubPackets) {
if (ssp.Type == SignatureSubPacketTypes.PrimaryUserID) {
ssp.PrimaryUserID = true;
updated = true;
}
}
}
if (updated) {
newPUID.Certificates.Remove(sp);
newPUID.Sign(sp, tskKey.PrimaryKey, strPassphrase, tpkKey.PrimaryKey);
break;
}
if (!updated) {
SignatureSubPacket sspPrimaryUserID = new SignatureSubPacket();
sspPrimaryUserID.Type = SignatureSubPacketTypes.PrimaryUserID;
sspPrimaryUserID.PrimaryUserID = true;
sp.AddSubPacket(sspPrimaryUserID,true);
newPUID.Certificates.Remove(sp);
newPUID.Sign(sp, tskKey.PrimaryKey, strPassphrase, tpkKey.PrimaryKey);
break;
}
}
}
}
}
}
/// <summary>
/// Generate a key pair
/// </summary>
/// <param name="iKeySize">Encription key size</param>
/// <param name="strPassphrase">passhrase for the key pair</param>
/// <param name="userID">primary user id</param>
/// <param name="email">user email</param>
/// <param name="notation">xml encoded user info</param>
/// <param name="expirationTime">expiration date of the primary key (new DateTime(0) == never)</param>
/// <param name="keyType">1: RSA/DSA 0:Elgamal/DSA(DEFAULT)</param>
/// <param name="isRevocableKey">revocable?</param>
/// <param name="isRevocableSubkey">revocable subkey?</param>
public void GenerateKey(int iKeySize, string strPassphrase, string userID, string email, string notation, DateTime expirationTime, int keyType, bool isRevocableKey, bool isRevocableSubkey)
{
if(iKeySize % 1024 != 0)
throw new Exception("Keysize must be a 1024 multiple");
System.Security.Cryptography.RandomNumberGenerator rngRand;
// let's first create the encryption key
BigInteger[][] biEncryptionKey;
if (keyType == 1) {
// it's a RSA/DSA key
biEncryptionKey = GenerateRSAEncryptionKey(iKeySize);
} else {
// it's an elgamal/DSA key DEFAULF
biEncryptionKey = GenerateElGamalEncryptionKey(iKeySize);
}
// now the signature key
BigInteger[][] biSignatureKey = GenerateDSASignatureKey();
PublicKeyPacket pkpSignatureKey = new PublicKeyPacket(false);
pkpSignatureKey.Algorithm = AsymAlgorithms.DSA;
pkpSignatureKey.KeyMaterial = biSignatureKey[0];
pkpSignatureKey.TimeCreated = DateTime.Now;
pkpSignatureKey.Version = PublicKeyPacketVersionNumbers.v4;
SecretKeyPacket skpSignatureKey = new SecretKeyPacket(false);
skpSignatureKey.SymmetricalAlgorithm = SymAlgorithms.AES256;
skpSignatureKey.PublicKey = pkpSignatureKey;
skpSignatureKey.InitialVector = new byte[CipherHelper.CipherBlockSize(SymAlgorithms.AES256)];
rngRand = System.Security.Cryptography.RandomNumberGenerator.Create();
rngRand.GetBytes(skpSignatureKey.InitialVector);
skpSignatureKey.EncryptKeyMaterial(biSignatureKey[1], strPassphrase);
skpSignatureKey.PublicKey = pkpSignatureKey;
PublicKeyPacket pkpEncryptionKey = new PublicKeyPacket(true);
if (keyType == 0) {
// it's an elgamal/DSA key
pkpEncryptionKey.Algorithm = AsymAlgorithms.ElGamal_Encrypt_Only;
} else if (keyType == 1) {
// it's a RSA/DSA key
pkpEncryptionKey.Algorithm = AsymAlgorithms.RSA_Encrypt_Only;
}
pkpEncryptionKey.KeyMaterial = biEncryptionKey[0];
pkpEncryptionKey.TimeCreated = DateTime.Now;
pkpEncryptionKey.Version = PublicKeyPacketVersionNumbers.v4;
SecretKeyPacket skpEncryptionKey = new SecretKeyPacket(true);
skpEncryptionKey.SymmetricalAlgorithm = SymAlgorithms.AES256;
skpEncryptionKey.PublicKey = pkpEncryptionKey;
skpEncryptionKey.InitialVector = new byte[CipherHelper.CipherBlockSize(SymAlgorithms.AES256)];
rngRand = System.Security.Cryptography.RandomNumberGenerator.Create();
rngRand.GetBytes(skpEncryptionKey.InitialVector);
skpEncryptionKey.EncryptKeyMaterial(biEncryptionKey[1], strPassphrase);
skpEncryptionKey.PublicKey = pkpEncryptionKey;
CertifiedUserID cuiUID = new CertifiedUserID();
UserIDPacket uipUID = new UserIDPacket();
uipUID.UserID = userID.Trim() + " <" + email.Trim() + ">";
cuiUID.UserID = uipUID;
SignaturePacket spSelfSig = new SignaturePacket();
if (notation != null) {
SignatureSubPacket sspNotation = new SignatureSubPacket();
sspNotation.Type = SignatureSubPacketTypes.NotationData;
sspNotation.NotationName = "PersonalData";
sspNotation.NotationValue = notation;
spSelfSig.AddSubPacket(sspNotation,false);
}
if (expirationTime.Ticks != 0) {
SignatureSubPacket sspExpiration = new SignatureSubPacket();
sspExpiration.Type = SignatureSubPacketTypes.KeyExpirationTime;
sspExpiration.KeyExpirationTime = new DateTime(expirationTime.Ticks + (new DateTime(1970,1,2)).Ticks - pkpEncryptionKey.TimeCreated.Ticks);
spSelfSig.AddSubPacket(sspExpiration, true);
}
if (!isRevocableKey) {
SignatureSubPacket sspRevocable = new SignatureSubPacket();
sspRevocable.Type = SignatureSubPacketTypes.Revocable;
sspRevocable.Revocable = isRevocableKey;
spSelfSig.AddSubPacket(sspRevocable, true);
}
SignatureSubPacket sspPrimaryUID = new SignatureSubPacket();
sspPrimaryUID.Type = SignatureSubPacketTypes.PrimaryUserID;
sspPrimaryUID.Revocable = true;
spSelfSig.AddSubPacket(sspPrimaryUID, true);
spSelfSig.Version = SignaturePacketVersionNumbers.v4;
spSelfSig.HashAlgorithm = HashAlgorithms.SHA1;
spSelfSig.KeyID = pkpSignatureKey.KeyID;
spSelfSig.TimeCreated = DateTime.Now;
SignatureSubPacket sspPrimaryUserID = new SignatureSubPacket();
sspPrimaryUserID.Type = SignatureSubPacketTypes.PrimaryUserID;
sspPrimaryUserID.PrimaryUserID = true;
spSelfSig.AddSubPacket(sspPrimaryUserID, true);
SignatureSubPacket sspPreferedSymAlgos = new SignatureSubPacket();
sspPreferedSymAlgos.Type = SignatureSubPacketTypes.PreferedSymmetricAlgorithms;
sspPreferedSymAlgos.PreferedSymAlgos = new SymAlgorithms[] {SymAlgorithms.AES256, SymAlgorithms.AES192, SymAlgorithms.AES256, SymAlgorithms.CAST5, SymAlgorithms.Triple_DES};
spSelfSig.AddSubPacket(sspPreferedSymAlgos, true);
SignatureSubPacket sspPreferedHashAlgos = new SignatureSubPacket();
sspPreferedHashAlgos.Type = SignatureSubPacketTypes.PreferedHashAlgorithms;
sspPreferedHashAlgos.PreferedHashAlgos = new HashAlgorithms[] {HashAlgorithms.SHA1};
spSelfSig.AddSubPacket(sspPreferedHashAlgos, true);
cuiUID.Certificates = new System.Collections.ArrayList();
cuiUID.Sign(spSelfSig, skpSignatureKey, strPassphrase, pkpSignatureKey);
CertifiedPublicSubkey cpsEncryptionKey = new CertifiedPublicSubkey();
cpsEncryptionKey.Subkey = pkpEncryptionKey;
cpsEncryptionKey.SignKeyBindingSignature(pkpSignatureKey, skpSignatureKey, strPassphrase, expirationTime, isRevocableSubkey);
TransportablePublicKey tpkPublicKey = new TransportablePublicKey();
tpkPublicKey.PrimaryKey = pkpSignatureKey;
tpkPublicKey.SubKeys.Add(cpsEncryptionKey);
tpkPublicKey.Certifications.Add(cuiUID);
this.PublicRing.AddPublicKey(tpkPublicKey);
TransportableSecretKey tskSecretKey = new TransportableSecretKey();
tskSecretKey.PrimaryKey = skpSignatureKey;
tskSecretKey.SubKeys.Add(skpEncryptionKey);
tskSecretKey.UserIDs.Add(uipUID);
this.SecretRing.AddSecretKey(tskSecretKey);
}
/// <summary>
/// Adds a userID to the specified key
/// </summary>
/// <param name="userID">user id to be added</param>
/// <param name="email">user email address</param>
/// <param name="infos">xml encoded user infos</param>
/// <param name="strPassphrase">passphrase of the secret key we want to add the user id to</param>
/// <param name="KeyID">keyID of the key we want to add the userID to</param>
/// <param name="isRevocable">is a revocable keyID</param>
public void AddUserID(string userID, string email, string infos, string strPassphrase, ulong KeyID, bool isRevocable)
{
TransportablePublicKey tpkKey = this.PublicRing.Find(KeyID,false);
TransportableSecretKey tskKey = this.SecretRing.Find(KeyID);
if (tpkKey != null && tskKey != null) {
CertifiedUserID cuiUID = new CertifiedUserID();
UserIDPacket uipUID = new UserIDPacket();
uipUID.UserID = userID.Trim() + " <" + email.Trim() + ">";
cuiUID.UserID = uipUID;
SecretKeyPacket skpSignatureKey = tskKey.FindKey(AsymActions.Sign);
SignaturePacket spSelfSig = new SignaturePacket();
if (infos != null) {
SignatureSubPacket sspNotation = new SignatureSubPacket();
sspNotation.Type = SignatureSubPacketTypes.NotationData;
sspNotation.NotationName = "PersonalData";
sspNotation.NotationValue = infos;
spSelfSig.AddSubPacket(sspNotation,false);
}
if (!isRevocable) {
SignatureSubPacket sspRevocable = new SignatureSubPacket();
sspRevocable.Type = SignatureSubPacketTypes.Revocable;
sspRevocable.Revocable = isRevocable;
spSelfSig.AddSubPacket(sspRevocable, true);
}
SignatureSubPacket sspPrimaryUID = new SignatureSubPacket();
sspPrimaryUID.Type = SignatureSubPacketTypes.PrimaryUserID;
sspPrimaryUID.Revocable = false;
spSelfSig.AddSubPacket(sspPrimaryUID, true);
spSelfSig.Version = SignaturePacketVersionNumbers.v4;
spSelfSig.HashAlgorithm = HashAlgorithms.SHA1;
spSelfSig.KeyID = skpSignatureKey.PublicKey.KeyID;
spSelfSig.TimeCreated = DateTime.Now;
cuiUID.Certificates = new System.Collections.ArrayList();
cuiUID.Sign(spSelfSig, skpSignatureKey, strPassphrase, tpkKey.PrimaryKey);
tpkKey.Certifications.Add(cuiUID);
tskKey.UserIDs.Add(uipUID);
return;
}
throw new Exception("Keys not found");
}
/// <summary>
/// Signs a key
/// </summary>
/// <param name="tspKey">key to be signed</param>
/// <param name="cuidTobeSigned">user id to be signed</param>
/// <param name="skpKeySigner">signer private key</param>
/// <param name="strPassphrase">signer passphrase</param>
/// <param name="exportable">exportable signature</param>
/// <param name="expirationTime">expiration time (new DateTime(0) == never)</param>
/// <param name="isRevocable"></param>
public void SignKey(TransportablePublicKey tspKey, CertifiedUserID cuidTobeSigned, TransportableSecretKey skpKeySigner, string strPassphrase, bool exportable, DateTime expirationTime, bool isRevocable)
{
SignaturePacket spSig = new SignaturePacket();
spSig.Version = SignaturePacketVersionNumbers.v4;
spSig.HashAlgorithm = HashAlgorithms.SHA1;
spSig.KeyID = skpKeySigner.PrimaryKey.PublicKey.KeyID;
spSig.TimeCreated = DateTime.Now;
SignatureSubPacket sspExportableSignature = new SignatureSubPacket();
sspExportableSignature.Type = SignatureSubPacketTypes.ExportableSignature;
sspExportableSignature.ExportableSignature = exportable;
spSig.AddSubPacket(sspExportableSignature, false);
if (!isRevocable) {
SignatureSubPacket sspRevocable = new SignatureSubPacket();
sspRevocable.Type = SignatureSubPacketTypes.Revocable;
sspRevocable.Revocable = isRevocable;
spSig.AddSubPacket(sspRevocable, true);
}
if (expirationTime.Ticks != 0) {
SignatureSubPacket sspExpiration = new SignatureSubPacket();
sspExpiration.Type = SignatureSubPacketTypes.KeyExpirationTime;
sspExpiration.KeyExpirationTime = new DateTime(expirationTime.Ticks + (new DateTime(1970,1,2)).Ticks - tspKey.PrimaryKey.TimeCreated.Ticks);
spSig.AddSubPacket(sspExpiration, true);
}
cuidTobeSigned.Sign(spSig, skpKeySigner.PrimaryKey, strPassphrase, tspKey.PrimaryKey);
}
/// <summary>
/// Sets the trust level and amount for a specified userID in a key
/// </summary>
/// <param name="userIdKeyId">KeyID of the key containing the userID which this set the trust of</param>
/// <param name="userID">UserID whose trust has to be set</param>
/// <param name="KeyID">Signer (Truster) keyID</param>
/// <param name="strPassphrase">passphrase of the signer</param>
/// <param name="trustLevel">trust level</param>
/// <param name="trustAmount">trust amount</param>
public void setUserIDTrust(ulong userIdKeyId, CertifiedUserID userID, ulong KeyID, string strPassphrase, int trustLevel, int trustAmount)
{
TransportablePublicKey tpkKey = this.PublicRing.Find(userIdKeyId,false);
TransportableSecretKey tskKey = this.SecretRing.Find(KeyID);
bool updated = false;
if (tpkKey!=null && tskKey!=null) {
ArrayList cert = new ArrayList(userID.Certificates);
for (int k = 0; k < cert.Count; k++) {
updated = false;
SignaturePacket sp = (SignaturePacket)cert[k];
if ((sp.SignatureType == SignatureTypes.UserIDSignature ||
sp.SignatureType == SignatureTypes.UserIDSignature_CasualVerification ||
sp.SignatureType == SignatureTypes.UserIDSignature_NoVerification ||
sp.SignatureType == SignatureTypes.UserIDSignature_PositivVerification) && sp.KeyID == KeyID)
{
foreach (SignatureSubPacket ssp in sp.HashedSubPackets) {
if(ssp.Type == SignatureSubPacketTypes.TrustSignature) {
ssp.TrustLevel = (byte)(trustLevel & 0xFF);
ssp.TrustAmount = (byte)(trustAmount & 0xFF);
updated = true;
}
}
if (!updated) {
foreach (SignatureSubPacket ssp in sp.UnhashedSubPackets) {
if (ssp.Type == SignatureSubPacketTypes.TrustSignature) {
ssp.TrustLevel = (byte)(trustLevel & 0xFF);
ssp.TrustAmount = (byte)(trustAmount & 0xFF);
updated = true;
}
}
}
if(updated) {
userID.Certificates.Remove(sp);
userID.Sign(sp, tskKey.PrimaryKey, strPassphrase, tpkKey.PrimaryKey);
updated = true;
} else {
SignatureSubPacket sspTrust = new SignatureSubPacket();
sspTrust.Type = SignatureSubPacketTypes.TrustSignature;
sspTrust.TrustAmount = (byte)(trustAmount & 0xFF);
sspTrust.TrustLevel = (byte)(trustLevel & 0xFF);
sp.AddSubPacket(sspTrust, false);
userID.Certificates.Remove(sp);
userID.Sign(sp, tskKey.PrimaryKey, strPassphrase, tpkKey.PrimaryKey);
updated = true;
}
}
}
}
if (!updated)
throw new Exception("User id not certified by this Key. You cannot set Trust.");
}
public void AddUserID(ulong lKeyID, string strName, string strEmail, string strPassphrase)
{
TransportableSecretKey tskKey = skrKeyRing.Find(lKeyID);
TransportablePublicKey tpkKey = pkrKeyRing.Find(lKeyID, false);
CertifiedUserID cuiUID = new CertifiedUserID();
UserIDPacket uipUID = new UserIDPacket();
uipUID.UserID = strName.Trim() + " <" + strEmail.Trim() + ">";
cuiUID.UserID = uipUID;
SecretKeyPacket skpSignatureKey = tskKey.FindKey(AsymActions.Sign);
SignaturePacket spSelfSig = new SignaturePacket();
spSelfSig.Version = SignaturePacketVersionNumbers.v4;
spSelfSig.HashAlgorithm = HashAlgorithms.SHA1;
spSelfSig.KeyID = skpSignatureKey.PublicKey.KeyID;
spSelfSig.TimeCreated = DateTime.Now;
cuiUID.Certificates = new System.Collections.ArrayList();
cuiUID.Sign(spSelfSig, skpSignatureKey, strPassphrase, tpkKey.PrimaryKey);
tpkKey.Certifications.Add(cuiUID);
tskKey.UserIDs.Add(uipUID);
}
public void GenerateKey(string strName, string strEmail, string strKeyType, int iKeySize, long lExpiration, string strPassphrase)
{
if (strKeyType == "ElGamal/DSA") {
System.Security.Cryptography.RandomNumberGenerator rngRand = System.Security.Cryptography.RandomNumberGenerator.Create();
// let's first create the encryption key
BigInteger[][] biEncryptionKey = GenerateEncryptionKey(iKeySize);
// now the signature key
BigInteger[][] biSignatureKey = GenerateSignatureKey();
PublicKeyPacket pkpSignatureKey = new PublicKeyPacket(false);
pkpSignatureKey.Algorithm = AsymAlgorithms.DSA;
pkpSignatureKey.KeyMaterial = biSignatureKey[0];
pkpSignatureKey.TimeCreated = DateTime.Now;
pkpSignatureKey.Version = PublicKeyPacketVersionNumbers.v4;
SecretKeyPacket skpSignatureKey = new SecretKeyPacket(false);
skpSignatureKey.SymmetricalAlgorithm = SymAlgorithms.AES256;
skpSignatureKey.PublicKey = pkpSignatureKey;
skpSignatureKey.InitialVector = new byte[CipherHelper.CipherBlockSize(SymAlgorithms.AES256)];
rngRand.GetBytes(skpSignatureKey.InitialVector);
skpSignatureKey.EncryptKeyMaterial(biSignatureKey[1], strPassphrase);
skpSignatureKey.PublicKey = pkpSignatureKey;
PublicKeyPacket pkpEncryptionKey = new PublicKeyPacket(true);
pkpEncryptionKey.Algorithm = AsymAlgorithms.ElGamal_Encrypt_Only;
pkpEncryptionKey.KeyMaterial = biEncryptionKey[0];
pkpEncryptionKey.TimeCreated = DateTime.Now;
pkpEncryptionKey.Version = PublicKeyPacketVersionNumbers.v4;
SecretKeyPacket skpEncryptionKey = new SecretKeyPacket(true);
skpEncryptionKey.SymmetricalAlgorithm = SymAlgorithms.AES256;
skpEncryptionKey.PublicKey = pkpEncryptionKey;
skpEncryptionKey.InitialVector = new byte[CipherHelper.CipherBlockSize(SymAlgorithms.AES256)];
rngRand.GetBytes(skpEncryptionKey.InitialVector);
skpEncryptionKey.EncryptKeyMaterial(biEncryptionKey[1], strPassphrase);
skpEncryptionKey.PublicKey = pkpEncryptionKey;
CertifiedUserID cuiUID = new CertifiedUserID();
UserIDPacket uipUID = new UserIDPacket();
uipUID.UserID = strName.Trim() + " <" + strEmail.Trim() + ">";
cuiUID.UserID = uipUID;
SignaturePacket spSelfSig = new SignaturePacket();
spSelfSig.Version = SignaturePacketVersionNumbers.v4;
spSelfSig.HashAlgorithm = HashAlgorithms.SHA1;
spSelfSig.KeyID = pkpSignatureKey.KeyID;
spSelfSig.TimeCreated = DateTime.Now;
SignatureSubPacket sspPrimaryUserID = new SignatureSubPacket();
sspPrimaryUserID.Type = SignatureSubPacketTypes.PrimaryUserID;
sspPrimaryUserID.PrimaryUserID = true;
spSelfSig.AddSubPacket(sspPrimaryUserID, true);
SignatureSubPacket sspPreferedSymAlgos = new SignatureSubPacket();
sspPreferedSymAlgos.Type = SignatureSubPacketTypes.PreferedSymmetricAlgorithms;
sspPreferedSymAlgos.PreferedSymAlgos = new SymAlgorithms[] {SymAlgorithms.AES256, SymAlgorithms.AES192, SymAlgorithms.AES256, SymAlgorithms.CAST5, SymAlgorithms.Triple_DES};
spSelfSig.AddSubPacket(sspPreferedSymAlgos, true);
SignatureSubPacket sspPreferedHashAlgos = new SignatureSubPacket();
sspPreferedHashAlgos.Type = SignatureSubPacketTypes.PreferedHashAlgorithms;
sspPreferedHashAlgos.PreferedHashAlgos = new HashAlgorithms[] {HashAlgorithms.SHA1};
spSelfSig.AddSubPacket(sspPreferedHashAlgos, true);
if (lExpiration != 0) {
SignatureSubPacket sspExpiration = new SignatureSubPacket();
sspExpiration.Type = SignatureSubPacketTypes.SignatureExpirationTime;
sspExpiration.SignatureExpirationTime = new DateTime(lExpiration);
spSelfSig.AddSubPacket(sspExpiration, true);
}
cuiUID.Certificates = new System.Collections.ArrayList();
cuiUID.Sign(spSelfSig, skpSignatureKey, strPassphrase, pkpSignatureKey);
CertifiedPublicSubkey cpsEncryptionKey = new CertifiedPublicSubkey();
cpsEncryptionKey.Subkey = pkpEncryptionKey;
cpsEncryptionKey.SignKeyBindingSignature(pkpSignatureKey, skpSignatureKey, strPassphrase, new DateTime(lExpiration), true);
TransportablePublicKey tpkPublicKey = new TransportablePublicKey();
tpkPublicKey.PrimaryKey = pkpSignatureKey;
tpkPublicKey.SubKeys.Add(cpsEncryptionKey);
tpkPublicKey.Certifications.Add(cuiUID);
TransportableSecretKey tskSecretKey = new TransportableSecretKey();
tskSecretKey.PrimaryKey = skpSignatureKey;
tskSecretKey.SubKeys.Add(skpEncryptionKey);
tskSecretKey.UserIDs.Add(uipUID);
this.pkrKeyRing.AddPublicKey(tpkPublicKey);
this.skrKeyRing.AddSecretKey(tskSecretKey);
pkrKeyRing.Save();
skrKeyRing.Save();
// it's an RSA key
} else if (strKeyType == "RSA") {
}
}
