private string GetComputedChallenge(string verifier)
{
using (var hash = CryptographyHelpers.CreateSHA256())
{
return(Base64UrlEncoder.Encode(hash.ComputeHash(Encoding.ASCII.GetBytes(verifier))));
}
}
private HashAlgorithm GetAlgorithm(string hashingAlgorithm)
{
switch (hashingAlgorithm)
{
case "RS256":
return(CryptographyHelpers.CreateSHA256());
default:
throw new InvalidOperationException($"Unsupported hashing algorithm '{hashingAlgorithm}'");
}
}