public static byte[] generateKey()
{
RandomNumberGenerator rng = RNGCryptoServiceProvider.Create();
SecureRandom sr = new SecureRandom();
KeyGenerationParameters kgp = new KeyGenerationParameters(sr, DesEdeParameters.DesEdeKeyLength * 8);
DesEdeKeyGenerator kg = new DesEdeKeyGenerator();
byte[] key = new byte[16];
kg.Init(kgp);
var keyTmp = kg.GenerateKey();
int len = key.Length;
DesEdeParameters.SetOddParity(keyTmp);
/*
* sbyte[] signedkey = new sbyte[key.Length];
* int i = 0;
* foreach (byte b in key)
* {
* signedkey[i++] = unchecked((sbyte)b);
* }
*/
Array.Copy(keyTmp, 0, key, 0, 16);
return(key);
}
/**
* Create a key generator for the passed in Object Identifier.
*
* @param algorithm the Object Identifier indicating the algorithn the generator is for.
* @param random a source of random to initialise the generator with.
* @return an initialised CipherKeyGenerator.
* @throws IllegalArgumentException if the algorithm cannot be identified.
*/
public static CipherKeyGenerator CreateKeyGenerator(DerObjectIdentifier algorithm, SecureRandom random)
{
if (NistObjectIdentifiers.IdAes128Cbc.Equals(algorithm))
{
return(CreateCipherKeyGenerator(random, 128));
}
else if (NistObjectIdentifiers.IdAes192Cbc.Equals(algorithm))
{
return(CreateCipherKeyGenerator(random, 192));
}
else if (NistObjectIdentifiers.IdAes256Cbc.Equals(algorithm))
{
return(CreateCipherKeyGenerator(random, 256));
}
else if (PkcsObjectIdentifiers.DesEde3Cbc.Equals(algorithm))
{
DesEdeKeyGenerator keyGen = new DesEdeKeyGenerator();
keyGen.Init(new KeyGenerationParameters(random, 192));
return(keyGen);
}
else if (NttObjectIdentifiers.IdCamellia128Cbc.Equals(algorithm))
{
return(CreateCipherKeyGenerator(random, 128));
}
else if (NttObjectIdentifiers.IdCamellia192Cbc.Equals(algorithm))
{
return(CreateCipherKeyGenerator(random, 192));
}
else if (NttObjectIdentifiers.IdCamellia256Cbc.Equals(algorithm))
{
return(CreateCipherKeyGenerator(random, 256));
}
else if (KisaObjectIdentifiers.IdSeedCbc.Equals(algorithm))
{
return(CreateCipherKeyGenerator(random, 128));
}
else if (AlgorithmIdentifierFactory.CAST5_CBC.Equals(algorithm))
{
return(CreateCipherKeyGenerator(random, 128));
}
else if (OiwObjectIdentifiers.DesCbc.Equals(algorithm))
{
DesKeyGenerator keyGen = new DesKeyGenerator();
keyGen.Init(new KeyGenerationParameters(random, 64));
return(keyGen);
}
else if (PkcsObjectIdentifiers.rc4.Equals(algorithm))
{
return(CreateCipherKeyGenerator(random, 128));
}
else if (PkcsObjectIdentifiers.RC2Cbc.Equals(algorithm))
{
return(CreateCipherKeyGenerator(random, 128));
}
else
{
throw new InvalidOperationException("cannot recognise cipher: " + algorithm);
}
}
/// <summary>
/// The generate secret key.
/// </summary>
/// <returns>
/// The <see cref="SecretKey"/>.
/// </returns>
public SecretKey GenerateSecretKey()
{
var kgp = new KeyGenerationParameters(new SecureRandom(), DesEdeParameters.DesEdeKeyLength * 8);
var kg = new DesEdeKeyGenerator();
kg.Init(kgp);
var key = new SecretKey(kg.GenerateKey());
return(key);
}
public static byte[] InitDES3Key()
{
DesEdeKeyGenerator gen = new DesEdeKeyGenerator();
gen.Init(new KeyGenerationParameters(new SecureRandom(), 127));
var k = gen.GenerateKey();
return(k);
}
public static byte[] GenerateKey()
{
var secureRandom = new SecureRandom();
var kgp = new KeyGenerationParameters(secureRandom, DesEdeParameters.DesKeyLength * 16);
var kg = new DesEdeKeyGenerator();
kg.Init(kgp);
byte[] desKeyBytes = kg.GenerateKey();
DesEdeParameters.SetOddParity(desKeyBytes);
return(desKeyBytes);
}
public static byte[] generateKey()
{
RandomNumberGenerator rng = RNGCryptoServiceProvider.Create();
SecureRandom sr = new SecureRandom();
KeyGenerationParameters kgp = new KeyGenerationParameters(sr, DesEdeParameters.DesEdeKeyLength * 8);
DesEdeKeyGenerator kg = new DesEdeKeyGenerator();
kg.Init(kgp);
var key = kg.GenerateKey();
int len = key.Length;
DesEdeParameters.SetOddParity(key);
return(key);
}
public override void PerformTest()
{
base.PerformTest();
byte[] kek1 = Hex.Decode("255e0d1c07b646dfb3134cc843ba8aa71f025b7c0838251f");
byte[] iv1 = Hex.Decode("5dd4cbfc96f5453b");
byte[] in1 = Hex.Decode("2923bf85e06dd6ae529149f1f1bae9eab3a7da3d860d3e98");
byte[] out1 = Hex.Decode("690107618ef092b3b48ca1796b234ae9fa33ebb4159604037db5d6a84eb3aac2768c632775a467d4");
WrapTest(1, kek1, iv1, in1, out1);
//
// key generation
//
SecureRandom random = new SecureRandom();
DesEdeKeyGenerator keyGen = new DesEdeKeyGenerator();
keyGen.Init(new KeyGenerationParameters(random, 112));
byte[] kB = keyGen.GenerateKey();
if (kB.Length != 16)
{
Fail("112 bit key wrong length.");
}
keyGen.Init(new KeyGenerationParameters(random, 168));
kB = keyGen.GenerateKey();
if (kB.Length != 24)
{
Fail("168 bit key wrong length.");
}
try
{
keyGen.Init(new KeyGenerationParameters(random, 200));
Fail("invalid key length not detected.");
}
catch (ArgumentException)
{
// expected
}
try
{
DesEdeParameters.IsWeakKey(new byte[4], 0);
Fail("no exception on small key");
}
catch (ArgumentException e)
{
if (!e.Message.Equals("key material too short."))
{
Fail("wrong exception");
}
}
try
{
new DesEdeParameters(weakKey);
Fail("no exception on weak key");
}
catch (ArgumentException e)
{
if (!e.Message.Equals("attempt to create weak DESede key"))
{
Fail("wrong exception");
}
}
}
/*
* Constructor, that takes the arguments appropriate for
* processing the command line directives.
*/
public DesExample(
string infile,
string outfile,
string keyfile,
bool encrypt)
{
/*
* First, determine that infile & keyfile exist as appropriate.
*
* This will also create the BufferedInputStream as required
* for reading the input file. All input files are treated
* as if they are binary, even if they contain text, it's the
* bytes that are encrypted.
*/
this.encrypt = encrypt;
try
{
inStr = File.OpenRead(infile);
}
catch (FileNotFoundException)
{
//Console.Error.WriteLine("Input file not found [" + infile + "]");
Environment.Exit(1);
}
try
{
outStr = File.Create(outfile);
}
catch (IOException)
{
//Console.Error.WriteLine("Output file not created [" + outfile + "]");
Environment.Exit(1);
}
if (encrypt)
{
try
{
/*
* The process of creating a new key requires a
* number of steps.
*
* First, create the parameters for the key generator
* which are a secure random number generator, and
* the length of the key (in bits).
*/
SecureRandom sr = new SecureRandom();
KeyGenerationParameters kgp = new KeyGenerationParameters(
sr,
DesEdeParameters.DesEdeKeyLength * 8);
/*
* Second, initialise the key generator with the parameters
*/
DesEdeKeyGenerator kg = new DesEdeKeyGenerator();
kg.Init(kgp);
/*
* Third, and finally, generate the key
*/
key = kg.GenerateKey();
/*
* We can now output the key to the file, but first
* hex Encode the key so that we can have a look
* at it with a text editor if we so desire
*/
Stream keystream = File.Create(keyfile);
byte[] keyhex = Hex.Encode(key);
keystream.Write(keyhex, 0, keyhex.Length);
keystream.Flush();
keystream.Close();
}
catch (IOException)
{
//Console.Error.WriteLine("Could not decryption create key file [" + keyfile + "]");
Environment.Exit(1);
}
}
else
{
try
{
// TODO This block is a bit dodgy
// read the key, and Decode from hex encoding
Stream keystream = File.OpenRead(keyfile);
// int len = keystream.available();
int len = (int)keystream.Length;
byte[] keyhex = new byte[len];
keystream.Read(keyhex, 0, len);
key = Hex.Decode(keyhex);
}
catch (IOException)
{
//Console.Error.WriteLine("Decryption key file not found, or not valid [" + keyfile + "]");
Environment.Exit(1);
}
}
}
static void Main(string[] args)
{
Console.WriteLine("Please select option 1/2");
string option = Console.ReadLine();
if (option == "1")
{
Certificate cert = new Certificate(2048);
Console.WriteLine("---------------------------- AS2805.6.5.3 Option 1--------------------------------------------------------");
Console.WriteLine("---------------Manufacturer’s key pair (PKman, SKman)---------------");
Certificate man = new Certificate(2048);
byte[] PKman = man.GetPublicKey();
byte[] SKman = man.GetPrivateKey();
Console.WriteLine("------------------Terminal cryptographic unit’s key pair (PKtcu, SKtcu)-------------------");
Certificate tcu = new Certificate(2048);
byte[] PKtcu = tcu.GetPublicKey();
byte[] SKtcu = tcu.GetPrivateKey();
Console.WriteLine("----------------Sponsor’s key pair (PKsp, SKsp)------------------------");
Certificate sp = new Certificate(2048);
byte[] PKsp = sp.GetPublicKey();
byte[] SKsp = sp.GetPrivateKey();
Console.WriteLine("--------------Getting RNsp, tcuid and user data -------------- ");
Random rnd = new Random();
string RNsp = rnd.Next(222222, 999999).ToString();
byte[] RNsp_bytes = Encoding.ASCII.GetBytes(RNsp);
Console.WriteLine("RNsp: \t" + RNsp);
string user_data = "OPTIONAL USER DATA THAT CAN BE ANY LENGTH";
byte[] user_data_bytes = Encoding.ASCII.GetBytes(user_data);
Console.WriteLine("User Data: \t" + user_data);
string tcuid = "MN044712H";
byte[] tcuid_bytes = Encoding.ASCII.GetBytes(tcuid);
Console.WriteLine("TCUID: \t" + tcuid);
string AIIC = "0000045127823121";
byte[] AIIC_bytes = Encoding.ASCII.GetBytes(AIIC);
Console.WriteLine("AIIC: \t" + AIIC);
SecureRandom random = new SecureRandom();
DesEdeKeyGenerator keyGen = new DesEdeKeyGenerator();
keyGen.Init(new KeyGenerationParameters(random, 128));
byte[] KI_bytes = keyGen.GenerateKey();
string KI = BitConverter.ToString(KI_bytes).Replace("-", string.Empty);
Console.WriteLine("KI: \t" + KI);
byte[] KIA_bytes = keyGen.GenerateKey();
string KIA = BitConverter.ToString(KIA_bytes).Replace("-", string.Empty);
Console.WriteLine("KIA: \t" + KIA);
byte[] KCA_bytes = keyGen.GenerateKey();
string KCA = BitConverter.ToString(KCA_bytes).Replace("-", string.Empty);
Console.WriteLine("KCA: \t" + KCA);
DateTime today = DateTime.Now.Date;
byte[] today_bytes = Encoding.ASCII.GetBytes(today.ToString("yyyyMMdd HH:mm:ss"));
Console.WriteLine("DTS: \t" + today.ToString("yyyyMMdd HH:mm:ss"));
Console.WriteLine("-----------------------------------------------------------------------");
Console.WriteLine("--------------------------Sponsor Pre-Compute--------------------------");
HashMAC hash = new HashMAC(new Sha256Digest());
byte[] H_PKman_userdata = hash.Hash_Data(PKman.Concat(user_data_bytes).ToArray());
Console.WriteLine("SHA256 Hash of PKman + user data : \n" + Utils.HexDump(H_PKman_userdata));
byte[] H_PKsp_RNsp_userdata = hash.Hash_Data(PKsp.Concat(RNsp_bytes).Concat(user_data_bytes).ToArray());
//Console.WriteLine("SHA256 Hash of PKsp + user data : \n" + Utils.HexDump(H_PKman_userdata));
Console.WriteLine("----------------------------------------------------------------------------------");
Signature sign = new Signature();
byte[] sSKman_H_PKman_userdata = sign.SignData(H_PKman_userdata, man.get_Private_Params());
Console.WriteLine("Sponsor Verifies Manufacturer Signature of sSKman(H(PKman + user data)) : \n" + Utils.HexDump(sSKman_H_PKman_userdata));
byte[] sSKman_H_PKsp_RNsp_userdata = sign.SignData(H_PKsp_RNsp_userdata, man.get_Private_Params());
//Console.WriteLine("Signature of sSKman(H(PKsp + user data)) : \n" + Utils.HexDump(sSKman_H_PKsp_userdata));
byte[] H_PKsp = hash.Hash_Data(PKsp);
//Console.WriteLine("SHA256 Hash of PKsp : \n" + Utils.HexDump(H_PKsp));
byte[] sSKman_H_PKsp = sign.SignData(H_PKsp, man.get_Private_Params());
//Console.WriteLine("Signature of sSKman(H(PKsp))) : \n" + Utils.HexDump(sSKman_H_PKsp));
//Console.WriteLine("--------------------------TCU Pre-Compute--------------------------");
byte[] H_PKtcu = hash.Hash_Data(PKtcu);
//Console.WriteLine("SHA256 Hash of PKtcu : \n" + Utils.HexDump(H_PKtcu));
//Pad pad = new Pad();
//var padHash = pad.Pad_Data(H_PKtcu, 128);
//Console.WriteLine("SHA256 Hash of PKtcu and PKCS v1.5 padding : \n" + Utils.HexDump(padHash));
Console.WriteLine("----------------------------------------------------------------------------------");
byte[] sSKman_H_PKtcu_ = sign.SignData(H_PKtcu, man.get_Private_Params());
Console.WriteLine("Termninal Verifies Manufacturer Signature of PKtcu sSKman(H(PKtcu)) :\n" + Utils.HexDump(sSKman_H_PKtcu_));
Console.WriteLine("----------------------------------------------------------------------------------");
byte[] sSKman_H_PKtcu_TCUID_userdata = sign.SignData(H_PKtcu.Concat(tcuid_bytes).Concat(user_data_bytes).ToArray(), man.get_Private_Params());
//Console.WriteLine("Signature of sSKman(H(PKtcu)|TCUID|user data) : \n" + Utils.HexDump(sSKman_H_PKtcu));
//Console.ReadLine();
Console.WriteLine("-------------------------- OPTION 1 --------------------------");
Console.WriteLine("--------------------------SIGN ON REQUEST 1--------------------------\n\n");
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("TCU -> Sending:...");
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("User Data: " + user_data + "\n" + Utils.HexDump(user_data_bytes));
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("TCUID: " + tcuid + " \n" + Utils.HexDump(tcuid_bytes));
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("H(PKtcu) \n" + Utils.HexDump(H_PKtcu));
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("sSKman(H(PKtcu)|TCUID|user data) \n" + Utils.HexDump(sSKman_H_PKtcu_TCUID_userdata));
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("------------------------SIGN ON RESPONSE 1--------------------------------------");
Console.WriteLine("Veryfying Signature of sSKman(H(PKtcu)|TCUID|user data)");
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("User Data: " + user_data + "\n" + Utils.HexDump(user_data_bytes));
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("RNsp: " + RNsp + "\n" + Utils.HexDump(RNsp_bytes));
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("H(PKsp|RNsp|userdata) \n" + Utils.HexDump(H_PKsp_RNsp_userdata));
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("Sign: sSKman(H(PKsp|RNsp|user data)):\n" + Utils.HexDump(sSKman_H_PKsp_RNsp_userdata));
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("-------------------------- SIGN ON REQUEST 2--------------------------\n\n");
//Construct cryptogram encrypted by PKsp
Console.WriteLine("Constructing the KI KeyBlock cryptogram (KI, TCUID, RNsp, DTS, user dat)----------");
Asn1 asn = new Asn1();
byte[] KI_KeyBlock_bytes = asn.KI_KeyBlock(KI_bytes, tcuid_bytes, today_bytes, RNsp_bytes, user_data_bytes);
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine(Utils.HexDump(KI_KeyBlock_bytes));
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("Encrypt: ePKsp(KI, TCUID, RNsp, DTS, user data): \n");
byte[] PKsp_KI_TCUID_RNsp_DTS_user_data = sp.Encrypt(KI_KeyBlock_bytes);
Console.WriteLine(Utils.HexDump(PKsp_KI_TCUID_RNsp_DTS_user_data));
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("Hash: H(ePKsp(KI, TCUID, RNsp, DTS, user data)): \n");
byte[] H_PKsp_KI_TCUID_RNsp_DTS_user_data = hash.Hash_Data(PKsp_KI_TCUID_RNsp_DTS_user_data);
Console.WriteLine(Utils.HexDump(H_PKsp_KI_TCUID_RNsp_DTS_user_data));
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("Sign: sSKtcu(H(ePKsp(KI, TCUID, RNsp, DTS, user data))): \n");
byte[] sSKtcu_H_PKsp_KI_TCUID_RNsp_DTS_user_data = sign.SignData(H_PKsp_KI_TCUID_RNsp_DTS_user_data, tcu.get_Private_Params());
Console.WriteLine(Utils.HexDump(sSKtcu_H_PKsp_KI_TCUID_RNsp_DTS_user_data));
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("Send Signature and Encryption to Sponsor so that KI can be extracted \n");
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("Verify: sSKtcu(H(ePKsp(KI, TCUID, RNsp, DTS, user data))): \n");
bool sSKtcuV = sign.VerifySignature(tcu.get_Public_Params(), sSKtcu_H_PKsp_KI_TCUID_RNsp_DTS_user_data, H_PKsp_KI_TCUID_RNsp_DTS_user_data);
Console.WriteLine("Verified: " + sSKtcuV);
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("Decrypt: ePKsp(KI, TCUID, RNsp, DTS, user data): \n");
Console.WriteLine("Decrypted:\n" + Utils.HexDump(sp.Decrypt(PKsp_KI_TCUID_RNsp_DTS_user_data)));
Console.WriteLine("----------------------------------------------------------------------------------\n\n");
Console.WriteLine("-------------------------- SIGN ON RESPONSE 2-------------------------\n\n");
/*
* The KCA shall be used to derive a unique KIA_n per acquirer. The sponsor shall be responsible for providing the KIA_n to each acquirer through a secure channel.
* Each acquirer shall use its unique KIAn to download or derive the initial key(s) required for the appropriate key management scheme
*
*
* The AIIC is right justified and left zero filled in a 128-bit data field.
* KMACI_n = (OWF(KIA_n,D))
* KCA =
*/
DESAES desaes = new DESAES();
Console.WriteLine("-------------------------Calculate KMACI_n = HMAC(KIA_n,AIIC) -------------------------\n");
Console.WriteLine("-------------------------OWF = SHA256 HMAC -------------------------");
byte[] H_KIA_n_AIIC = hash.HMAC(AIIC_bytes, KIA_bytes);
Console.WriteLine("KMAC = \n" + Utils.HexDump(H_KIA_n_AIIC));
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("KCA = \n" + Utils.HexDump(KCA_bytes));
Console.WriteLine("------------------------------ENCRYPT---------------------------------------------");
var E_KMAC = desaes.EncryptDES3(H_KIA_n_AIIC, KI_bytes);
Console.WriteLine("e(KMAC) = \n" + Utils.HexDump(E_KMAC));
Console.WriteLine("----------------------------------------------------------------------------------");
var E_KCA = desaes.EncryptDES3(KCA_bytes, KI_bytes);
Console.WriteLine("e(KCA) = \n" + Utils.HexDump(E_KCA));
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("------------------------------DECRYPT---------------------------------------------");
var D_KCA = desaes.DecryptDES3(E_KCA, KI_bytes);
Console.WriteLine("d(KCA) = \n" + Utils.HexDump(D_KCA));
Console.WriteLine("----------------------------------------------------------------------------------");
var D_KMAC = desaes.DecryptDES3(E_KMAC, KI_bytes);
Console.WriteLine("d(KMAC) = \n" + Utils.HexDump(D_KMAC));
Console.WriteLine("----------------------------------------------------------------------------------");
Console.WriteLine("**------------------------------DONE--------------------------------------------**");
}
else
{
bool ForEncryption = true;
//Requested Certificate Name and things
X509Name name = new X509Name("C=Commonwealth Bank of Australia, O=CBA, OU=Cryptographical Services, CN=TID25124548");
//Key generation 2048bits
var rkpg = new RsaKeyPairGenerator();
rkpg.Init(new KeyGenerationParameters(new SecureRandom(), 2048));
AsymmetricCipherKeyPair ackp = rkpg.GenerateKeyPair(); //BAPI.EncryptionKey;
//if (!ForEncryption) ackp = BAPI.SignKey;
//Key Usage Extension
var ku = new KeyUsage(ForEncryption ? KeyUsage.KeyEncipherment : KeyUsage.DigitalSignature);
var extgen = new Org.BouncyCastle.Asn1.X509.X509ExtensionsGenerator();
extgen.AddExtension(X509Extensions.KeyUsage, true, ku);
var attribute = new AttributeX509(PkcsObjectIdentifiers.Pkcs9AtExtensionRequest, new DerSet(extgen.Generate()));
//PKCS #10 Certificate Signing Request
Pkcs10CertificationRequest csr = new Pkcs10CertificationRequest("SHA1WITHRSA", name, ackp.Public, new DerSet(attribute), ackp.Private); //new DerSet(new DerOctetString(ku))
var csrbytedata = csr.GetDerEncoded();
var asn1Csr = csr.ToAsn1Object();
//////
Console.WriteLine(asn1Csr.GetDerEncoded().ToString());
Console.WriteLine(Utils.HexDump(csrbytedata));
string pwd = "password";
var suppliers = new[] { "CN=*.cba.com.au" };
var CA_issuer = new X509(suppliers, "CN=CBA RootCA, OU=Cryptographical Services, O=Commonwealth Bank of Australia, L=SYDNEY, C=AU", CertStrength.bits_2048);
X509Certificate2 GeneratedCert = CA_issuer.MakeCertificate(pwd, "CN=TID25124548.cba.com.au, OU=Commonwealth Bank of Australia, OU=CBA Business System Hosting, O=Commonwealth Bank of Australia, C=AU", 2);
Console.WriteLine(GeneratedCert.ToString());
Console.WriteLine(Utils.HexDump(GeneratedCert.Export(X509ContentType.Pkcs12, pwd)));
Console.ReadLine();
}
}