本文整理汇总了C#中RSASignaturePadding类的典型用法代码示例。如果您正苦于以下问题：C# RSASignaturePadding类的具体用法？C# RSASignaturePadding怎么用？C# RSASignaturePadding使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
RSASignaturePadding类属于命名空间，在下文中一共展示了RSASignaturePadding类的15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: SignHash
/// <summary>
/// Computes the signature of a hash that was produced by the hash algorithm specified by "hashAlgorithm."
/// </summary>
public override byte[] SignHash(byte[] hash, HashAlgorithmName hashAlgorithm, RSASignaturePadding padding)
{
if (hash == null)
throw new ArgumentNullException("hash");
unsafe
{
byte[] signature = null;
SignOrVerify(padding, hashAlgorithm, hash,
delegate (AsymmetricPaddingMode paddingMode, void* pPaddingInfo)
{
SafeNCryptKeyHandle keyHandle = Key.Handle;
int numBytesNeeded;
ErrorCode errorCode = Interop.NCrypt.NCryptSignHash(keyHandle, pPaddingInfo, hash, hash.Length, null, 0, out numBytesNeeded, paddingMode);
if (errorCode != ErrorCode.ERROR_SUCCESS)
throw errorCode.ToCryptographicException();
signature = new byte[numBytesNeeded];
errorCode = Interop.NCrypt.NCryptSignHash(keyHandle, pPaddingInfo, hash, hash.Length, signature, signature.Length, out numBytesNeeded, paddingMode);
if (errorCode != ErrorCode.ERROR_SUCCESS)
throw errorCode.ToCryptographicException();
}
);
return signature;
}
}示例2: VerifyHash
/// <summary>
/// Verifies that alleged signature of a hash is, in fact, a valid signature of that hash.
/// </summary>
public override bool VerifyHash(byte[] hash, byte[] signature, HashAlgorithmName hashAlgorithm, RSASignaturePadding padding)
{
if (hash == null)
throw new ArgumentNullException("hash");
if (signature == null)
throw new ArgumentNullException("signature");
unsafe
{
bool verified = false;
SignOrVerify(padding, hashAlgorithm, hash,
delegate (AsymmetricPaddingMode paddingMode, void* pPaddingInfo)
{
SafeNCryptKeyHandle keyHandle = Key.Handle;
ErrorCode errorCode = Interop.NCrypt.NCryptVerifySignature(keyHandle, pPaddingInfo, hash, hash.Length, signature, signature.Length, paddingMode);
if (errorCode == ErrorCode.ERROR_SUCCESS)
verified = true;
else if (errorCode == ErrorCode.NTE_BAD_SIGNATURE)
verified = false;
else
throw errorCode.ToCryptographicException();
}
);
return verified;
}
}示例3: SignHash
/// <summary>
/// Computes the signature of a hash that was produced by the hash algorithm specified by "hashAlgorithm."
/// </summary>
public override byte[] SignHash(byte[] hash, HashAlgorithmName hashAlgorithm, RSASignaturePadding padding)
{
if (hash == null)
throw new ArgumentNullException("hash");
unsafe
{
byte[] signature = null;
SignOrVerify(padding, hashAlgorithm, hash,
delegate (AsymmetricPaddingMode paddingMode, void* pPaddingInfo)
{
int estimatedSize = KeySize / 8;
#if DEBUG
estimatedSize = 2; // Make sure the NTE_BUFFER_TOO_SMALL scenario gets exercised.
#endif
SafeNCryptKeyHandle keyHandle = Key.Handle;
signature = new byte[estimatedSize];
int numBytesNeeded;
ErrorCode errorCode = Interop.NCrypt.NCryptSignHash(keyHandle, pPaddingInfo, hash, hash.Length, signature, signature.Length, out numBytesNeeded, paddingMode);
if (errorCode == ErrorCode.NTE_BUFFER_TOO_SMALL)
{
signature = new byte[numBytesNeeded];
errorCode = Interop.NCrypt.NCryptSignHash(keyHandle, pPaddingInfo, hash, hash.Length, signature, signature.Length, out numBytesNeeded, paddingMode);
}
if (errorCode != ErrorCode.ERROR_SUCCESS)
throw errorCode.ToCryptographicException();
Array.Resize(ref signature, numBytesNeeded);
}
);
return signature;
}
}示例4: VerifyData
public bool VerifyData(byte[] data, byte[] signature, HashAlgorithmName hashAlgorithm, RSASignaturePadding padding)
{
if (data == null)
throw new ArgumentNullException(nameof(data));
return VerifyData(data, 0, data.Length, signature, hashAlgorithm, padding);
}示例5: SignData
public byte[] SignData(byte[] data, HashAlgorithmName hashAlgorithm, RSASignaturePadding padding)
{
if (data == null)
{
throw new ArgumentNullException(nameof(data));
}
return SignData(data, 0, data.Length, hashAlgorithm, padding);
}示例6: TestSignVerifyDataRoundTrip
private static void TestSignVerifyDataRoundTrip(byte[] message, HashAlgorithmName hashAlgorithm, RSASignaturePadding paddingMode, int expectedSignatureLength)
{
using (RSA rsa = new RSACng())
{
byte[] signature = rsa.SignData(message, hashAlgorithm, paddingMode);
// RSACng.SignHash() is intentionally non-deterministic so we can verify that we got back a signature of the right length
// but nothing about the contents.
Assert.Equal(expectedSignatureLength, signature.Length);
bool verified = rsa.VerifyData(message, signature, hashAlgorithm, paddingMode);
Assert.True(verified);
}
}示例7: SignHash
public override byte[] SignHash(byte[] hash, HashAlgorithmName hashAlgorithm, RSASignaturePadding padding)
{
if (hashAlgorithm != HashAlgorithmName.SHA256)
{
throw new ArgumentException(
$"Unsupported HashAlgorithmName '{hashAlgorithm}', only SHA256 supported.", nameof(hashAlgorithm));
}
if (padding != RSASignaturePadding.Pkcs1)
{
throw new ArgumentException(
$"Unsupported RSASignaturePadding '{padding}', only Pkcs1 supported.", nameof(padding));
}
var signer = new RsaDigestSigner(new NullDigest(), NistObjectIdentifiers.IdSha256);
signer.Init(true, _parameters);
signer.BlockUpdate(hash, 0, hash.Length);
return signer.GenerateSignature();
}示例8: SignHash
/// <summary>
/// Computes the signature of a hash that was produced by the hash algorithm specified by "hashAlgorithm."
/// </summary>
public override byte[] SignHash(byte[] hash, HashAlgorithmName hashAlgorithm, RSASignaturePadding padding)
{
if (hash == null)
throw new ArgumentNullException(nameof(hash));
unsafe
{
byte[] signature = null;
SignOrVerify(padding, hashAlgorithm, hash,
delegate (AsymmetricPaddingMode paddingMode, void* pPaddingInfo)
{
int estimatedSize = KeySize / 8;
signature = GetKeyHandle().SignHash(hash, paddingMode, pPaddingInfo, estimatedSize);
}
);
return signature;
}
}示例9: VerifyHash
/// <summary>
/// Verifies that alleged signature of a hash is, in fact, a valid signature of that hash.
/// </summary>
public override bool VerifyHash(byte[] hash, byte[] signature, HashAlgorithmName hashAlgorithm, RSASignaturePadding padding)
{
if (hash == null)
throw new ArgumentNullException(nameof(hash));
if (signature == null)
throw new ArgumentNullException(nameof(signature));
unsafe
{
bool verified = false;
SignOrVerify(padding, hashAlgorithm, hash,
delegate (AsymmetricPaddingMode paddingMode, void* pPaddingInfo)
{
verified = GetKeyHandle().VerifyHash(hash, signature, paddingMode, pPaddingInfo);
}
);
return verified;
}
}示例10: SignOrVerify
//
// Common helper for SignHash() and VerifyHash(). Creates the necessary PADDING_INFO structure based on the chosen padding mode and then passes it
// to "signOrVerify" which performs the actual signing or verification.
//
private static unsafe void SignOrVerify(RSASignaturePadding padding, HashAlgorithmName hashAlgorithm, byte[] hash, SignOrVerifyAction signOrVerify)
{
string hashAlgorithmName = hashAlgorithm.Name;
if (string.IsNullOrEmpty(hashAlgorithmName))
throw new ArgumentException(SR.Cryptography_HashAlgorithmNameNullOrEmpty, "hashAlgorithm");
if (padding == null)
throw new ArgumentNullException("padding");
switch (padding.Mode)
{
case RSASignaturePaddingMode.Pkcs1:
{
using (SafeUnicodeStringHandle safeHashAlgorithmName = new SafeUnicodeStringHandle(hashAlgorithmName))
{
BCRYPT_PKCS1_PADDING_INFO paddingInfo = new BCRYPT_PKCS1_PADDING_INFO()
{
pszAlgId = safeHashAlgorithmName.DangerousGetHandle(),
};
signOrVerify(AsymmetricPaddingMode.NCRYPT_PAD_PKCS1_FLAG, &paddingInfo);
}
break;
}
case RSASignaturePaddingMode.Pss:
{
using (SafeUnicodeStringHandle safeHashAlgorithmName = new SafeUnicodeStringHandle(hashAlgorithmName))
{
BCRYPT_PSS_PADDING_INFO paddingInfo = new BCRYPT_PSS_PADDING_INFO()
{
pszAlgId = safeHashAlgorithmName.DangerousGetHandle(),
cbSalt = hash.Length,
};
signOrVerify(AsymmetricPaddingMode.NCRYPT_PAD_PSS_FLAG, &paddingInfo);
}
break;
}
default:
throw new CryptographicException(SR.Cryptography_UnsupportedPaddingMode);
}
}示例11: SignData
public virtual byte[] SignData(byte[] data, int offset, int count, HashAlgorithmName hashAlgorithm, RSASignaturePadding padding) {
if (data == null) {
throw new ArgumentNullException("data");
}
if (offset < 0 || offset > data.Length) {
throw new ArgumentOutOfRangeException("offset");
}
if (count < 0 || count > data.Length - offset) {
throw new ArgumentOutOfRangeException("count");
}
if (String.IsNullOrEmpty(hashAlgorithm.Name)) {
throw HashAlgorithmNameNullOrEmpty();
}
if (padding == null) {
throw new ArgumentNullException("padding");
}
byte[] hash = HashData(data, offset, count, hashAlgorithm);
return SignHash(hash, hashAlgorithm, padding);
}示例12: VerifyHash
/// <summary>
/// Verifies that alleged signature of a hash is, in fact, a valid signature of that hash.
/// </summary>
public override bool VerifyHash(byte[] hash, byte[] signature, HashAlgorithmName hashAlgorithm, RSASignaturePadding padding)
{
if (hash == null)
throw new ArgumentNullException("hash");
if (signature == null)
throw new ArgumentNullException("signature");
unsafe
{
bool verified = false;
SignOrVerify(padding, hashAlgorithm, hash,
delegate (AsymmetricPaddingMode paddingMode, void* pPaddingInfo)
{
SafeNCryptKeyHandle keyHandle = Key.Handle;
ErrorCode errorCode = Interop.NCrypt.NCryptVerifySignature(keyHandle, pPaddingInfo, hash, hash.Length, signature, signature.Length, paddingMode);
verified = (errorCode == ErrorCode.ERROR_SUCCESS); // For consistency with other RSA classes, return "false" for any error code rather than making the caller catch an exception.
}
);
return verified;
}
}示例13: VerifyData
public virtual bool VerifyData(
byte[] data,
int offset,
int count,
byte[] signature,
HashAlgorithmName hashAlgorithm,
RSASignaturePadding padding)
{
if (data == null)
throw new ArgumentNullException("data");
if (offset < 0 || offset > data.Length)
throw new ArgumentOutOfRangeException("offset");
if (count < 0 || count > data.Length - offset)
throw new ArgumentOutOfRangeException("count");
if (signature == null)
throw new ArgumentNullException("signature");
if (string.IsNullOrEmpty(hashAlgorithm.Name))
throw HashAlgorithmNameNullOrEmpty();
if (padding == null)
throw new ArgumentNullException("padding");
byte[] hash = HashData(data, offset, count, hashAlgorithm);
return VerifyHash(hash, signature, hashAlgorithm, padding);
}示例14: VerifyHash
public override bool VerifyHash(byte[] hash, byte[] signature, HashAlgorithmName hashAlgorithm, RSASignaturePadding padding);示例15: SignHash
public override byte[] SignHash(byte[] hash, HashAlgorithmName hashAlgorithm, RSASignaturePadding padding);