本文整理汇总了C#中System.Security.Cryptography.SafeProvHandle.CreateHashHandle方法的典型用法代码示例。如果您正苦于以下问题：C# SafeProvHandle.CreateHashHandle方法的具体用法？C# SafeProvHandle.CreateHashHandle怎么用？C# SafeProvHandle.CreateHashHandle使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类System.Security.Cryptography.SafeProvHandle的用法示例。
在下文中一共展示了SafeProvHandle.CreateHashHandle方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: VerifySign
/// <summary>
/// Helper for RSACryptoServiceProvider.VerifyData/VerifyHash apis.
/// </summary>
public static bool VerifySign(SafeProvHandle hProv, SafeKeyHandle hKey, int calgKey, int calgHash, byte[] hash, byte[] signature)
{
switch (calgKey)
{
case CALG_RSA_SIGN:
signature = signature.CloneByteArray();
Array.Reverse(signature);
break;
case CALG_DSS_SIGN:
throw new PlatformNotSupportedException();
default:
throw new InvalidOperationException();
}
using (SafeHashHandle hHash = hProv.CreateHashHandle(hash, calgHash))
{
bool verified = Interop.CryptVerifySignature(hHash, signature, signature.Length, hKey, null, CryptSignAndVerifyHashFlags.None);
return verified;
}
}示例2: SignValue
/// <summary>
/// Helper for RSACryptoServiceProvider.SignData/SignHash apis.
/// </summary>
public static byte[] SignValue(SafeProvHandle hProv, SafeKeyHandle hKey, int keyNumber, int calgKey, int calgHash, byte[] hash)
{
using (SafeHashHandle hHash = hProv.CreateHashHandle(hash, calgHash))
{
int cbSignature = 0;
if (!Interop.CryptSignHash(hHash, (KeySpec)keyNumber, null, CryptSignAndVerifyHashFlags.None, null, ref cbSignature))
{
int hr = Marshal.GetHRForLastWin32Error();
throw hr.ToCryptographicException();
}
byte[] signature = new byte[cbSignature];
if (!Interop.CryptSignHash(hHash, (KeySpec)keyNumber, null, CryptSignAndVerifyHashFlags.None, signature, ref cbSignature))
{
int hr = Marshal.GetHRForLastWin32Error();
throw hr.ToCryptographicException();
}
switch (calgKey)
{
case CALG_RSA_SIGN:
Array.Reverse(signature);
break;
case CALG_DSS_SIGN:
throw new PlatformNotSupportedException();
default:
throw new InvalidOperationException();
}
return signature;
}
}