public static string EncryptString(string text, X509Certificate2 cert, bool base64UrlEncoding)
{
var bytes = Encoding.UTF8.GetBytes(text);
var encrypyedBytes = EncryptBytes(bytes, cert);
return(base64UrlEncoding ? Base64UrlEncoder.ToBase64String(encrypyedBytes) : Convert.ToBase64String(encrypyedBytes));
}
public static string GenerateSignatureString(byte[] bytes, AsymmetricAlgorithm asymmetricAlgorithm, XmlSignatureAlgorithmType signatureAlgorithm, bool base64UrlEncoding)
{
var signedBytes = GenerateSignatureBytes(bytes, asymmetricAlgorithm, signatureAlgorithm);
var signedText = base64UrlEncoding ? Base64UrlEncoder.ToBase64String(signedBytes) : Convert.ToBase64String(signedBytes);
return(signedText);
}
private static JwtKey[] GetKeys(X509Certificate2[] certs)
{
var keys = new List <JwtKey>();
foreach (var cert in certs)
{
var rsa = cert.GetRSAPublicKey();
if (rsa == null)
{
throw new IdentityProviderException("X509 must be RSA");
}
var parameters = rsa.ExportParameters(false);
var publicKey = cert.Export(X509ContentType.Cert);
var certString = Convert.ToBase64String(publicKey);
var key = new JwtKey()
{
KeyID = cert.Thumbprint,
Use = "sig",
KeyType = "RSA",
X509Thumbprint = cert.Thumbprint, //same as KeyID
Exponent = Base64UrlEncoder.ToBase64String(parameters.Exponent),
Modulus = Base64UrlEncoder.ToBase64String(parameters.Modulus),
X509Certificates = new string[]
{
certString
}
};
keys.Add(key);
}
return(keys.ToArray());
}
public HttpAuthHeaders BuildAuthHeaders()
{
var authCookieData = "I can access this";
var authCookieDataBytes = Encoding.UTF8.GetBytes(authCookieData);
var authCookieDataEncrypted = SymmetricEncryptor.Encrypt(encryptionAlgorithm, encryptionKey, authCookieDataBytes);
var authCookieDataEncoded = Base64UrlEncoder.ToBase64String(authCookieDataEncrypted);
var cookies = new Dictionary <string, string>
{
{ cookieName, authCookieDataEncoded }
};
var cookieHeaderValue = CookieParser.CookiesToString(cookies);
var headers = new HttpAuthHeaders
{
{ cookieHeader, new List <string>()
{
cookieHeaderValue
} }
};
return(headers);
}