public string GenerateCodeVerifier()
{
byte[] buffer = new byte[Constants.CodeVerifierByteSize];
var windowsBuffer = CryptographicBuffer.GenerateRandom((uint)buffer.Length);
Array.Copy(windowsBuffer.ToArray(), buffer, buffer.Length);
return(Base64UrlHelpers.Encode(buffer));
}
public string GenerateCodeVerifier()
{
byte[] buffer = new byte[Constants.CodeVerifierByteSize];
using (RNGCryptoServiceProvider randomSource = new RNGCryptoServiceProvider())
{
randomSource.GetBytes(buffer);
}
return(Base64UrlHelpers.Encode(buffer));
}
public string GenerateCodeVerifier()
{
byte[] buffer = new byte[Constants.CodeVerifierByteSize];
using (var randomSource = RandomNumberGenerator.Create())
{
randomSource.GetBytes(buffer);
}
return(Base64UrlHelpers.Encode(buffer));
}
public string CreateBase64UrlEncodedSha256Hash(string input)
{
if (string.IsNullOrEmpty(input))
{
return(null);
}
using (SHA256Managed sha = new SHA256Managed())
{
UTF8Encoding encoding = new UTF8Encoding();
return(Base64UrlHelpers.Encode(sha.ComputeHash(encoding.GetBytes(input))));
}
}
public string CreateBase64UrlEncodedSha256Hash(string input)
{
if (string.IsNullOrEmpty(input))
{
return(null);
}
IBuffer inputBuffer = CryptographicBuffer.ConvertStringToBinary(input, BinaryStringEncoding.Utf8);
var hasher = HashAlgorithmProvider.OpenAlgorithm(HashAlgorithmNames.Sha256);
IBuffer hashed = hasher.HashData(inputBuffer);
string output = CryptographicBuffer.EncodeToBase64String(hashed);
return(Base64UrlHelpers.Encode(Convert.FromBase64String(output)));
}
public string ToEncodedJson()
{
return(Base64UrlHelpers.Encode(JsonHelper.SerializeToJson <ClientInfo>(this)));
}
public string CreateBase64UrlEncodedSha256Hash(string input)
{
return(string.IsNullOrEmpty(input) ? null : Base64UrlHelpers.Encode(CreateSha256HashBytes(input)));
}
