public void OAuth2CryptographicCodeGenerator_CreatePkceCodeChallenge_Plain_ReturnsVerifierUnchanged()
{
var generator = new OAuth2CryptographicCodeGenerator();
var verifier = generator.CreatePkceCodeVerifier();
var challenge = generator.CreatePkceCodeChallenge(OAuth2PkceChallengeMethod.Plain, verifier);
Assert.Equal(verifier, challenge);
}
public void OAuth2CryptographicCodeGenerator_CreatePkceCodeChallenge_Sha256_ReturnsBase64UrlEncodedSha256HashOfAsciiVerifier()
{
var generator = new OAuth2CryptographicCodeGenerator();
var verifier = generator.CreatePkceCodeVerifier();
byte[] verifierAsciiBytes = Encoding.ASCII.GetBytes(verifier);
byte[] hashedBytes;
using (var sha256 = SHA256.Create())
{
hashedBytes = sha256.ComputeHash(verifierAsciiBytes);
}
var expectedChallenge = Base64UrlConvert.Encode(hashedBytes, false);
var actualChallenge = generator.CreatePkceCodeChallenge(OAuth2PkceChallengeMethod.Sha256, verifier);
Assert.Equal(expectedChallenge, actualChallenge);
}