public void Test_SHA1withRSA_Sign_Verify()
{
string content = @"Hello World";
byte[] buffer = Encoding.UTF8.GetBytes(content);
string signature = SHA1withRSA.Sign(RSAPrivateKeyXmlString, buffer);
bool verified = SHA1withRSA.Verify(RSAPublicKeyXmlString, buffer, signature);
Assert.IsTrue(verified);
}
public static bool Test_SHA1withRSA_Sign_Verify_With_DotNet(
string privateKeyXmlString, string publicKeyXmlString)
{
string content = @"Hello World";
byte[] buffer = Encoding.UTF8.GetBytes(content);
string signature = SHA1withRSA.Sign(privateKeyXmlString, buffer);
bool verified = SHA1withRSA.Verify(publicKeyXmlString, buffer, signature);
return(verified);
}
public static bool Test_SHA1withRSA_Sign_With_BouncyCastle_Then_Verify_With_DotNet(
RsaPrivateCrtKeyParameters rsaPrivate, string publicKeyXmlString)
{
string content = @"Hello World";
byte[] buffer = Encoding.UTF8.GetBytes(content);
var signer = SignerUtilities.GetSigner(@"SHA-1withRSA");
signer.Init(true, rsaPrivate);
signer.BlockUpdate(buffer, 0, buffer.Length);
byte[] signedHash = signer.GenerateSignature();
string signature = Convert.ToBase64String(signedHash);
bool verified = SHA1withRSA.Verify(publicKeyXmlString, buffer, signature);
return(verified);
}
public static bool Test_SHA1withRSA_Sign_With_DotNet_Then_Verify_With_BouncyCastle(
string privateKeyXmlString, RsaKeyParameters rsaPublic)
{
string content = @"Hello World";
byte[] buffer = Encoding.UTF8.GetBytes(content);
string signature = SHA1withRSA.Sign(privateKeyXmlString, buffer);
var signer = SignerUtilities.GetSigner(@"SHA-1withRSA");
signer.Init(false, rsaPublic);
signer.BlockUpdate(buffer, 0, buffer.Length);
byte[] signedHash = Convert.FromBase64String(signature);
bool verified = signer.VerifySignature(signedHash);
return(verified);
}