| private static GetAlgorithmId ( HashAlgorithmName hashAlgorithm ) : int | ||
| hashAlgorithm | HashAlgorithmName | |
| 리턴 | int | |
protected override byte[] HashData(byte[] data, int offset, int count, HashAlgorithmName hashAlgorithm)
{
using (SafeHashHandle hash = Utils.CreateHash(Utils.StaticProvHandle, RSACryptoServiceProvider.GetAlgorithmId(hashAlgorithm)))
{
Utils.HashData(hash, data, offset, count);
return(Utils.EndHash(hash));
}
}
protected override byte[] HashData(Stream data, HashAlgorithmName hashAlgorithm)
{
using (SafeHashHandle hash = Utils.CreateHash(Utils.StaticProvHandle, RSACryptoServiceProvider.GetAlgorithmId(hashAlgorithm)))
{
byte[] numArray = new byte[4096];
int cbSize;
do
{
cbSize = data.Read(numArray, 0, numArray.Length);
if (cbSize > 0)
{
Utils.HashData(hash, numArray, 0, cbSize);
}
}while (cbSize > 0);
return(Utils.EndHash(hash));
}
}
public override byte[] SignHash(byte[] hash, HashAlgorithmName hashAlgorithm, RSASignaturePadding padding)
{
if (hash == null)
{
throw new ArgumentNullException("hash");
}
if (string.IsNullOrEmpty(hashAlgorithm.Name))
{
throw RSA.HashAlgorithmNameNullOrEmpty();
}
if (padding == (RSASignaturePadding)null)
{
throw new ArgumentNullException("padding");
}
if (padding != RSASignaturePadding.Pkcs1)
{
throw RSACryptoServiceProvider.PaddingModeNotSupported();
}
return(this.SignHash(hash, RSACryptoServiceProvider.GetAlgorithmId(hashAlgorithm)));
}
protected override byte[] HashData(Stream data, HashAlgorithmName hashAlgorithm)
{
byte[] result;
using (SafeHashHandle safeHashHandle = Utils.CreateHash(Utils.StaticProvHandle, RSACryptoServiceProvider.GetAlgorithmId(hashAlgorithm)))
{
byte[] array = new byte[4096];
int num;
do
{
num = data.Read(array, 0, array.Length);
if (num > 0)
{
Utils.HashData(safeHashHandle, array, 0, num);
}
}while (num > 0);
result = Utils.EndHash(safeHashHandle);
}
return(result);
}
