// NOTE: this method can work with ANY configured (OID in machine.config)
// HashAlgorithm descendant
public byte[] SignData(byte[] buffer, int offset, int count, object halg)
{
HashAlgorithm hash = GetHash(halg);
byte[] toBeSigned = hash.ComputeHash(buffer, offset, count);
return(PKCS1.Sign_v15(this, hash, toBeSigned));
}
// NOTE: this method can work with ANY configured (OID in machine.config)
// HashAlgorithm descendant
public byte[] SignData(Stream inputStream, object halg)
{
HashAlgorithm hash = GetHash(halg);
byte[] toBeSigned = hash.ComputeHash(inputStream);
return(PKCS1.Sign_v15(this, hash, toBeSigned));
}
public void PKCS15_SignAndVerify_UnknownHash()
{
// this hash algorithm isn't known from CryptoConfig so no OID is available
MD5SHA1 hash = new MD5SHA1();
byte[] value = GetValue(hash.HashSize >> 3);
byte[] unknown = PKCS1.Sign_v15(rsa, hash, value);
Assert.IsTrue(PKCS1.Verify_v15(rsa, hash, value, unknown), "Verify");
}
public byte[] SignHash(byte[] rgbHash, string str)
{
if (rgbHash == null)
{
throw new ArgumentNullException("rgbHash");
}
// Fx 2.0 defaults to the SHA-1
string hashName = (str == null) ? "SHA1" : GetHashNameFromOID(str);
HashAlgorithm hash = HashAlgorithm.Create(hashName);
return(PKCS1.Sign_v15(this, hash, rgbHash));
}
public static SecureBuffer CreateSignature(SignatureAndHashAlgorithm type, HashAlgorithm hash, SecureBuffer hashData, AsymmetricAlgorithm key)
{
if (!VerifyHashType(type, hash))
{
throw new TlsException(AlertDescription.IlegalParameter);
}
if (type.Signature == SignatureAlgorithmType.Rsa)
{
return(new SecureBuffer(PKCS1.Sign_v15((RSA)key, hash, hashData.Buffer)));
}
else
{
throw new NotSupportedException();
}
}
public byte[] Sign(byte[] data, byte[] userID)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
if (userID == null)
{
throw new ArgumentNullException("userID");
}
RSA rsaa = RSA.Create();
rsaa.ImportParameters(loggedInUsers [userID]);
return(PKCS1.Sign_v15(rsaa, SHA256.Create(), data));
}
public override byte[] Sign()
{
try {
ms.Position = 0;
HashAlgorithm hash = HashAlgorithm.Create("SHA1");
byte[] toBeSigned = hash.ComputeHash(ms);
ms = new MemoryStream();
return(PKCS1.Sign_v15(rsa, hash, toBeSigned));
// byte[] res = rsa.SignData (ms, "sha1");
// return res;
} catch (Exception ex) {
Console.WriteLine(ex);
throw;
}
}
public override byte[] CreateSignature(byte[] rgbHash)
{
if (key == null)
{
throw new CryptographicUnexpectedOperationException("The key is a null reference");
}
if (hash == null)
{
throw new CryptographicUnexpectedOperationException("The hash algorithm is a null reference.");
}
if (rgbHash == null)
{
throw new ArgumentNullException("The rgbHash parameter is a null reference.");
}
return(PKCS1.Sign_v15(key, hash, rgbHash));
}
public byte[][] Sign(byte[] data)
{
if (data == null)
{
throw new ArgumentNullException("data");
}
List <byte[]> rv = new List <byte[]> ();
foreach (var userData in loggedInUsers)
{
RSA rsaa = RSA.Create();
rsaa.ImportParameters(userData.Value);
byte[] sig = PKCS1.Sign_v15(rsaa, SHA256.Create(), data);
rv.Add(userData.Key);
rv.Add(sig);
}
return(rv.ToArray());
}
public override byte[] CreateSignature(byte[] rgbHash)
{
if (rsa == null)
{
throw new CryptographicUnexpectedOperationException(
Locale.GetText("No key pair available."));
}
if (hash == null)
{
throw new CryptographicUnexpectedOperationException(
Locale.GetText("Missing hash algorithm."));
}
if (rgbHash == null)
{
throw new ArgumentNullException("rgbHash");
}
return(PKCS1.Sign_v15(rsa, hash, rgbHash));
}