public virtual void DoTest9()
{
RsaKeyParameters pubParameters = new RsaKeyParameters(false, mod6, pub6);
RsaKeyParameters privParameters = new RsaKeyParameters(true, mod6, pri6);
RsaEngine rsa = new RsaEngine();
byte[] data;
//
// ISO 9796-2 - PSS Signing
//
Iso9796d2PssSigner eng = new Iso9796d2PssSigner(rsa, new RipeMD160Digest(), 0, true);
eng.Init(true, privParameters);
eng.Update(msg9[0]);
eng.BlockUpdate(msg9, 1, msg9.Length - 1);
data = eng.GenerateSignature();
eng.Init(false, pubParameters);
if (!IsSameAs(sig9, 0, data))
{
Fail("failed ISO9796-2 generation Test 9");
}
eng.Update(msg9[0]);
eng.BlockUpdate(msg9, 1, msg9.Length - 1);
if (!eng.VerifySignature(data))
{
Fail("failed ISO9796-2 verify Test 9");
}
}
public virtual void DoTest7()
{
byte[] salt = new byte[0];
RsaKeyParameters pubParameters = new RsaKeyParameters(false, mod6, pub6);
RsaKeyParameters privParameters = new RsaKeyParameters(true, mod6, pri6);
ParametersWithSalt sigParameters = new ParametersWithSalt(privParameters, salt);
RsaEngine rsa = new RsaEngine();
byte[] data;
//
// ISO 9796-2 - PSS Signing
//
Iso9796d2PssSigner eng = new Iso9796d2PssSigner(rsa, new Sha1Digest(), 0, false);
eng.Init(true, sigParameters);
eng.Update(msg7[0]);
eng.BlockUpdate(msg7, 1, msg7.Length - 1);
data = eng.GenerateSignature();
eng.Init(false, pubParameters);
if (!IsSameAs(sig7, 0, data))
{
Fail("failed ISO9796-2 generation Test 7");
}
eng.Update(msg7[0]);
eng.BlockUpdate(msg7, 1, msg7.Length - 1);
if (!eng.VerifySignature(data))
{
Fail("failed ISO9796-2 verify Test 7");
}
if (!IsSameAs(msg7, 0, eng.GetRecoveredMessage()))
{
Fail("failed ISO9796-2 recovery Test 7");
}
}
public virtual void DoTest10()
{
BigInteger mod = new BigInteger("B3ABE6D91A4020920F8B3847764ECB34C4EB64151A96FDE7B614DC986C810FF2FD73575BDF8532C06004C8B4C8B64F700A50AEC68C0701ED10E8D211A4EA554D", 16);
BigInteger pubExp = new BigInteger("65537", 10);
BigInteger priExp = new BigInteger("AEE76AE4716F77C5782838F328327012C097BD67E5E892E75C1356E372CCF8EE1AA2D2CBDFB4DA19F703743F7C0BA42B2D69202BA7338C294D1F8B6A5771FF41", 16);
RsaKeyParameters pubParameters = new RsaKeyParameters(false, mod, pubExp);
RsaKeyParameters privParameters = new RsaKeyParameters(true, mod, priExp);
RsaEngine rsa = new RsaEngine();
byte[] data;
//
// ISO 9796-2 - PSS Signing
//
IDigest dig = new Sha1Digest();
Iso9796d2PssSigner eng = new Iso9796d2PssSigner(rsa, dig, dig.GetDigestSize());
//
// as the padding is random this test needs to repeat a few times to
// make sure
//
for (int i = 0; i != 500; i++)
{
eng.Init(true, privParameters);
eng.Update(msg9[0]);
eng.BlockUpdate(msg9, 1, msg9.Length - 1);
data = eng.GenerateSignature();
eng.Init(false, pubParameters);
eng.Update(msg9[0]);
eng.BlockUpdate(msg9, 1, msg9.Length - 1);
if (!eng.VerifySignature(data))
{
Fail("failed ISO9796-2 verify Test 10");
}
}
}
public virtual void DoTest8()
{
byte[] salt = Hex.Decode("78E293203CBA1B7F92F05F4D171FF8CA3E738FF8");
RsaKeyParameters pubParameters = new RsaKeyParameters(false, mod6, pub6);
RsaKeyParameters privParameters = new RsaKeyParameters(true, mod6, pri6);
ParametersWithSalt sigParameters = new ParametersWithSalt(privParameters, salt);
RsaEngine rsa = new RsaEngine();
byte[] data;
//
// ISO 9796-2 - PSS Signing
//
Iso9796d2PssSigner eng = new Iso9796d2PssSigner(rsa, new RipeMD160Digest(), 20, false);
eng.Init(true, sigParameters);
eng.Update(msg8[0]);
eng.BlockUpdate(msg8, 1, msg8.Length - 1);
data = eng.GenerateSignature();
eng.Init(false, pubParameters);
if (!IsSameAs(sig8, 0, data))
{
Fail("failed ISO9796-2 generation Test 8");
}
eng.Update(msg8[0]);
eng.BlockUpdate(msg8, 1, msg8.Length - 1);
if (!eng.VerifySignature(data))
{
Fail("failed ISO9796-2 verify Test 8");
}
}