public static void SignatureAlgorithm_Encoding(string hashAlgorithmName)
{
string expectedAlgOid;
switch (hashAlgorithmName)
{
case "SHA1":
expectedAlgOid = "06072A8648CE3D0401";
break;
case "SHA256":
expectedAlgOid = "06082A8648CE3D040302";
break;
case "SHA384":
expectedAlgOid = "06082A8648CE3D040303";
break;
case "SHA512":
expectedAlgOid = "06082A8648CE3D040304";
break;
default:
throw new ArgumentOutOfRangeException(nameof(hashAlgorithmName));
}
EccTestData testData = EccTestData.Secp521r1Data;
string expectedHex = $"30{(expectedAlgOid.Length / 2):X2}{expectedAlgOid}";
using (ECDsa ecdsa = ECDsa.Create(testData.KeyParameters))
{
var generator = X509SignatureGenerator.CreateForECDsa(ecdsa);
byte[] sigAlg = generator.GetSignatureAlgorithmIdentifier(new HashAlgorithmName(hashAlgorithmName));
Assert.Equal(expectedHex, sigAlg.ByteArrayToHex());
}
}
public static IEnumerable <object[]> GetApplicableTestData()
{
return(EccTestData.EnumerateApplicableTests().Select(x => new object[] { x }));
}