protected override void Dispose(bool disposing)
{
if (disposing)
{
HMACCommon hMacCommon = _hMacCommon;
_hMacCommon = null;
if (hMacCommon != null)
{
hMacCommon.Dispose(disposing);
}
}
base.Dispose(disposing);
}
public HMACSHA512(byte[] key)
{
if (key is null)
{
throw new ArgumentNullException(nameof(key));
}
this.HashName = HashAlgorithmNames.SHA512;
_hMacCommon = new HMACCommon(HashAlgorithmNames.SHA512, key, BlockSize);
base.Key = _hMacCommon.ActualKey !;
// change the default value of BlockSizeValue to 128 instead of 64
BlockSizeValue = BlockSize;
HashSizeValue = _hMacCommon.HashSizeInBits;
}
public HMACSHA256(byte[] key)
{
if (key is null)
{
throw new ArgumentNullException(nameof(key));
}
this.HashName = HashAlgorithmNames.SHA256;
_hMacCommon = new HMACCommon(HashAlgorithmNames.SHA256, key, BlockSize);
base.Key = _hMacCommon.ActualKey !;
// this not really needed as it'll initialize BlockSizeValue with same value it has which is 64.
// we just want to be explicit in all HMAC extended classes
BlockSizeValue = BlockSize;
HashSizeValue = _hMacCommon.HashSizeInBits;
}
/// <summary>
/// Release all resources used by the current instance of the
/// <see cref="IncrementalHash"/> class.
/// </summary>
public void Dispose()
{
_disposed = true;
if (_hash != null)
{
_hash.Dispose();
_hash = null;
}
if (_hmac != null)
{
_hmac.Dispose(true);
_hmac = null;
}
}
public HMACSHA512(byte[] key)
{
this.HashName = HashAlgorithmNames.SHA512;
_hMacCommon = new HMACCommon(HashAlgorithmNames.SHA512, key, BlockSize);
base.Key = _hMacCommon.ActualKey;
}
public HMACSHA512(byte[] key)
{
this.HashName = HashAlgorithmNames.SHA512;
_hMacCommon = new HMACCommon(HashAlgorithmNames.SHA512, key);
base.Key = key;
}
public HMACMD5(byte[] key)
{
this.HashName = HashAlgorithmNames.MD5;
_hMacCommon = new HMACCommon(HashAlgorithmNames.MD5, key);
base.Key = key;
}