public ISigner CreateEngine(EngineUsage usage)
{
ISigner sig = new PssSigner(ENGINE_PROVIDER.CreateEngine(usage), FipsShs.CreateDigest(parameters.DigestAlgorithm), parameters.SaltLength, parameters.GetSalt());
sig.Init((usage == EngineUsage.SIGNING), sigParams);
return(sig);
}
public bool HasTestPassed(AsymmetricCipherKeyPair kp)
{
byte[] data = Hex.Decode("576a1f885e3420128c8a656097ba7d8bb4c6f1b1853348cf2ba976971dbdbefc");
DsaSigner signer = ENGINE_PROVIDER.CreateEngine(EngineUsage.GENERAL);
signer.Init(true, new ParametersWithRandom(kp.Private, Utils.testRandom));
BigInteger[] rv = signer.GenerateSignature(data);
signer.Init(false, kp.Public);
return(signer.VerifySignature(FipsKats.Values[FipsKats.Vec.DsaKeyPairConsistencyVec], rv[0], rv[1]));
}
internal RsaKeyWrapper(OaepWrapParameters algorithmDetails, IKey rsaPublicKey)
{
this.algorithmDetails = algorithmDetails;
this.wrapper = new OaepEncoding(ENGINE_PROVIDER.CreateEngine(EngineUsage.ENCRYPTION), FipsShs.CreateDigest(algorithmDetails.DigestAlgorithm), FipsShs.CreateDigest(algorithmDetails.MgfDigestAlgorithm), algorithmDetails.GetEncodingParams());
if (CryptoServicesRegistrar.IsInApprovedOnlyMode())
{
AsymmetricRsaPublicKey rsaKey = GetPublicKey(rsaPublicKey);
int bitLength = rsaKey.Modulus.BitLength;
if (bitLength != 2048 && bitLength != 3072)
{
throw new CryptoUnapprovedOperationError("Attempt to use RSA key with non-approved size: " + bitLength, rsaKey.Algorithm);
}
}
wrapper.Init(true, GetPublicParameters(rsaPublicKey, AsymmetricRsaKey.Usage.EncryptOrDecrypt));
}
public ISigner CreateEngine(EngineUsage usage)
{
ISigner sig;
if (parameters.Algorithm.Mode == AlgorithmMode.PKCSv1_5)
{
sig = new RsaDigestSigner(ENGINE_PROVIDER.CreateEngine(usage), FipsShs.CreateDigest(parameters.DigestAlgorithm));
}
else
{
sig = new X931Signer(ENGINE_PROVIDER.CreateEngine(usage), FipsShs.CreateDigest(parameters.DigestAlgorithm), false);
}
sig.Init((usage == EngineUsage.SIGNING), sigParams);
return(sig);
}
