public static String ToJWTBase64(dynamic data, ILogger logger, ISecurityVault securityVault, String issuer, String secret, String salt, String senderPrivateKeyName, String receiverPublicKeyName)
{
IJWTService jwtService = new RSAJWTService();
var longSecretData = JsonConvert.SerializeObject(data);
var symCryptoKey = SymmetricCryptoService.CreateSymmetricKey(securityVault.GetSecret(secret), securityVault.GetSecret(salt));
var encryptedData = SymmetricCryptoService.Encrypt(longSecretData, symCryptoKey.Key, symCryptoKey.IV);
logger.LogInformation($"encryptedData:{encryptedData}");
//var decryptedData = SymmetricCryptoService.Decrypt(encryptedData, symCryptoKey.Key, symCryptoKey.IV);
//logger.LogInformation($"decryptedData:{decryptedData}");
var rsaPrivateKeySet1Contents = securityVault.GetSecret(senderPrivateKeyName);
var rsaPublicKeySet2Contents = securityVault.GetSecret(receiverPublicKeyName);
var validationParameters = getValidationParameters(issuer);
var payload = new JwtPayload {
{ "iss", issuer },
{ "encrypted_key_bas64", jwtService.Encrypt(secret, rsaPublicKeySet2Contents) }, // Receivers public key
{ "encrypted_iv_bas64", jwtService.Encrypt(salt, rsaPublicKeySet2Contents) }, // Receivers public key
{ "sym_encrypted_data", SymmetricCryptoService.Encrypt(longSecretData, symCryptoKey.Key, symCryptoKey.IV) }, // These data can be large
{ "exp", (Int32)(DateTime.UtcNow.AddHours(1).Subtract(new DateTime(1970, 1, 1))).TotalSeconds },
{ "iat", (Int32)(DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds }
};
// Creating signed JWT
var jwt = jwtService.GenerateJWTFromRSA(payload, rsaPrivateKeySet1Contents, "RS256"); // Senders private key
var serializedJWT = new JwtSecurityTokenHandler().WriteToken(jwt);
logger.LogInformation($"serializedJWT:{serializedJWT}");
return(serializedJWT);
}
private static void SimulateSender()
{
IJWTService jwtService = new RSAJWTService();
var longSecretData = File.ReadAllText($@"{LocalFileStorePath}\data\large-text1.txt");
var secret = "my-awesome-pw123"; // Should be exactly 16 bytes
var salt = "my-tasty-salt123"; // Should be exactly 16 bytes
var symCryptoKey = SymmetricCryptoService.CreateSymmetricKey(secret, salt);
if (longSecretData != null && longSecretData.Length > 100)
{
Console.WriteLine("longSecretData=" + longSecretData.Substring(0, 100));
}
else
{
Console.WriteLine("longSecretData=" + longSecretData);
}
Console.WriteLine("longSecretData.length=" + longSecretData.Length);
// This key is only known by one party "A"
var rsaPrivateKeySet1Contents = File.ReadAllText($@"{LocalFileStorePath}\keys\rsa-prv-key-set1.key");
var contentHashBase64 = jwtService.GenerateBase64Hash(longSecretData, HashAlgorithmEnum.SHA512);
var payload = new JwtPayload {
{ "iss", "commentor.dk" },
{ "encrypted_secret_base64", jwtService.Encrypt(secret, RSAPublicKeySet2Contents) }, // Receivers public key
{ "encrypted_salt_base64", jwtService.Encrypt(salt, RSAPublicKeySet2Contents) }, // Receivers public key
{ "content_hash_base64", contentHashBase64 },
{ "content_hash_algorithm", HashAlgorithmEnum.SHA512.ToString() },
{ "exp", (Int32)(DateTime.UtcNow.AddHours(1).Subtract(new DateTime(1970, 1, 1))).TotalSeconds },
{ "iat", (Int32)(DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds }
};
// Creating signed JWT
var jwt = jwtService.GenerateJWTFromRSA(payload, rsaPrivateKeySet1Contents, "RS256"); // Senders private key
var serializedJWT = new JwtSecurityTokenHandler().WriteToken(jwt);
Console.WriteLine($"serializedJWT:{serializedJWT}");
var rijndaelEncryptedDataBase64 = SymmetricCryptoService.Encrypt(longSecretData, Encoding.UTF8.GetBytes(secret), Encoding.UTF8.GetBytes(salt));
Console.WriteLine($"rijndaelEncryptedDataBase64HashBase64:{jwtService.GenerateBase64Hash(rijndaelEncryptedDataBase64, HashAlgorithmEnum.SHA512)}");
Console.WriteLine($"contentHashBase64:{contentHashBase64}");
var simpleMessage = new SimpleMessage {
AuthorizationHeader = serializedJWT, BodyContents = rijndaelEncryptedDataBase64
};
SendRequest(simpleMessage);
}
