public IDictionary <string, object> Encrypt(IDictionary <string, object> map)
{
if (map.ContainsKey("cardInfo"))
{
string text = JsonConvert.SerializeObject((IDictionary <string, object>)map["cardInfo"]);
text = CryptUtil.SanitizeJson(text);
Tuple <byte[], byte[], byte[]> expr_3D = CryptUtil.EncryptAES(Encoding.UTF8.GetBytes(text));
byte[] item = expr_3D.Item1;
byte[] item2 = expr_3D.Item2;
byte[] arg_57_0 = expr_3D.Item3;
string value = CryptUtil.HexEncode(item);
string value2 = CryptUtil.HexEncode(arg_57_0);
string value3 = CryptUtil.HexEncode(CryptUtil.EncrytptRSA(item2, this.publicKey));
string value4 = this.publicKeyFingerPrint;
Dictionary <string, object> dictionary = new Dictionary <string, object>();
dictionary.Add("publicKeyFingerprint", value4);
dictionary.Add("encryptedKey", value3);
dictionary.Add("oaepHashingAlgorithm", "SHA256");
dictionary.Add("iv", value);
dictionary.Add("encryptedData", value2);
map.Remove("cardInfo");
map.Add("cardInfo", dictionary);
}
return(map);
}
public void TestHexUnHex()
{
String nonHexed = "*****@*****.**";
String hexed = CryptUtil.HexEncode(nonHexed);
byte[] nonHexedBytes = CryptUtil.HexDecode(hexed);
String nonHexed2 = System.Text.Encoding.UTF8.GetString(nonHexedBytes);
Assert.AreEqual(nonHexed, nonHexed2);
}
public Dictionary <String, Object> Encrypt(IDictionary <String, Object> map)
{
if (map.ContainsKey("cardInfo"))
{
// 1) extract the encryptedData from map
IDictionary <String, Object> encryptedDataMap = (IDictionary <String, Object>)map["cardInfo"];
// 2) create json string
String payload = JsonConvert.SerializeObject(encryptedDataMap);
// 3) escaping the string
payload = CryptUtil.SanitizeJson(payload);
Tuple <byte[], byte[], byte[]> aesResult = CryptUtil.EncryptAES(System.Text.Encoding.UTF8.GetBytes(payload));
// 4) generate random iv
byte[] iv = aesResult.Item1;
// 5) generate AES SecretKey
byte[] key = aesResult.Item2;
// 6) encrypt payload
byte[] encryptedData = aesResult.Item3;
String hexIv = CryptUtil.HexEncode(iv);
String hexEncryptedData = CryptUtil.HexEncode(encryptedData);
// 7) encrypt secretKey with issuer key
byte[] encryptedSecretKey = CryptUtil.EncrytptRSA(key, this.publicKey);
String hexEncryptedKey = CryptUtil.HexEncode(encryptedSecretKey);
String fingerprintHexString = publicKeyFingerPrint;
Dictionary <String, Object> encryptedMap = new Dictionary <String, Object>();
encryptedMap.Add("publicKeyFingerprint", fingerprintHexString);
encryptedMap.Add("encryptedKey", hexEncryptedKey);
encryptedMap.Add("oaepHashingAlgorithm", "SHA256");
encryptedMap.Add("iv", hexIv);
encryptedMap.Add("encryptedData", hexEncryptedData);
map.Remove("cardInfo");
map.Add("cardInfo", encryptedMap);
}
return(new Dictionary <String, Object>(map));
}