protected override void HashCore(byte[] rgb, int ibStart, int cbSize)
{
if (rgb != null && rgb.Length > 0 && cbSize > 0)
{
Win32ExtUtil.HashData(this.safeHashHandle, rgb, ibStart, cbSize);
}
}
public HashAlgGost2001Win()
{
this.HashSizeValue = Gost3411Consts.HashSizeValue;
SafeHashHandleCP invalidHandle = SafeHashHandleCP.InvalidHandle;
Win32ExtUtil.CreateHash(Win32ExtUtil.StaticGost2001ProvHandle, Gost3411Consts.HashAlgId, ref invalidHandle);
this.safeHashHandle = invalidHandle;
}
public override void Initialize()
{
if (this.safeHashHandle != null &&
!this.safeHashHandle.IsClosed)
{
this.safeHashHandle.Dispose();
}
SafeHashHandleCP invalidHandle = SafeHashHandleCP.InvalidHandle;
Win32ExtUtil.CreateHash(Win32ExtUtil.StaticGost2001ProvHandle, Gost3411Consts.HashAlgId, ref invalidHandle);
this.safeHashHandle = invalidHandle;
}
/// <summary>
/// Метод вычисления подписи без использования закрытого ключа
/// </summary>
/// <param name="prefix"></param>
/// <param name="certificate"></param>
public void ComputeSignatureWithoutPrivateKey(string prefix, IntPtr certificate)
{
if (SignServiceUtils.IsUnix)
{
CryptoConfig.AddAlgorithm(typeof(HashAlgGost2001Unix), new string[1] {
"http://www.w3.org/2001/04/xmldsig-more#gostr3411"
});
CryptoConfig.AddAlgorithm(typeof(HashAlgGost2012_256Unix), new string[1] {
"urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr34112012-256"
});
CryptoConfig.AddAlgorithm(typeof(HashAlgGost2012_512Unix), new string[1] {
"urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr34112012-512"
});
}
else
{
CryptoConfig.AddAlgorithm(typeof(HashAlgGost2001Win), new string[1] {
"http://www.w3.org/2001/04/xmldsig-more#gostr3411"
});
CryptoConfig.AddAlgorithm(typeof(HashAlgGost2012_256Win), new string[1] {
"urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr34112012-256"
});
CryptoConfig.AddAlgorithm(typeof(HashAlgGost2012_512Win), new string[1] {
"urn:ietf:params:xml:ns:cpxmlsec:algorithms:gostr34112012-512"
});
}
CryptoConfig.AddAlgorithm(typeof(SmevTransformAlg), new string[1] {
SmevTransformAlg.ALGORITHM_URI
});
BuildDigestedReferences();
int algId = 0;
HashAlgorithm hash = SignServiceUtils.GetHashAlgObject(certificate, ref algId);
GetDigest(hash, prefix);
uint keySpec = CApiExtConst.AT_SIGNATURE;
IntPtr cpHandle = (SignServiceUtils.IsUnix) ? UnixExtUtil.GetHandler(certificate, out keySpec) : Win32ExtUtil.GetHandler(certificate, out keySpec);
byte[] sign = (SignServiceUtils.IsUnix) ? UnixExtUtil.SignValue(cpHandle, (int)keySpec, hash.Hash, (int)0, algId) :
Win32ExtUtil.SignValue(cpHandle, (int)keySpec, hash.Hash, (int)0, algId);
Array.Reverse(sign);
m_signature.SignatureValue = sign;
SignServiceUtils.ReleaseProvHandle(cpHandle);
}
protected override byte[] HashFinal()
{
return(Win32ExtUtil.EndHash(this.safeHashHandle));
}