public static void CoseKeyHelpers_ECDsaExportCosePublicKey_HappyPath(string expectedHexEncoding, string hexQx, string hexQy, string?hashAlgorithmName, string curveFriendlyName)
{
byte[] expectedEncoding = expectedHexEncoding.HexToByteArray();
var hashAlgName = hashAlgorithmName != null ? new HashAlgorithmName(hashAlgorithmName) : (HashAlgorithmName?)null;
var ecParameters = new ECParameters()
{
Curve = ECCurve.CreateFromFriendlyName(curveFriendlyName),
Q = new ECPoint()
{
X = hexQx.HexToByteArray(), Y = hexQy.HexToByteArray()
},
};
using ECDsa ecDsa = ECDsa.Create(ecParameters);
byte[] coseKeyEncoding = CborCoseKeyHelpers.ExportECDsaPublicKey(ecDsa, hashAlgName);
AssertHelper.HexEqual(expectedEncoding, coseKeyEncoding);
}
public static void CoseKeyHelpers_ECDsaParseCosePublicKey_HappyPath(string hexEncoding, string hexExpectedQx, string hexExpectedQy, string?expectedHashAlgorithmName, string curveFriendlyName)
{
ECPoint q = new ECPoint()
{
X = hexExpectedQx.HexToByteArray(), Y = hexExpectedQy.HexToByteArray()
};
(ECDsa ecDsa, HashAlgorithmName? name) = CborCoseKeyHelpers.ParseECDsaPublicKey(hexEncoding.HexToByteArray());
using ECDsa _ = ecDsa;
ECParameters ecParams = ecDsa.ExportParameters(includePrivateParameters: false);
string?expectedCurveFriendlyName = NormalizeCurveForPlatform(curveFriendlyName).Oid.FriendlyName;
Assert.True(ecParams.Curve.IsNamed);
Assert.Equal(expectedCurveFriendlyName, ecParams.Curve.Oid.FriendlyName);
Assert.Equal(q.X, ecParams.Q.X);
Assert.Equal(q.Y, ecParams.Q.Y);
Assert.Equal(expectedHashAlgorithmName, name?.Name);
