//----------------------------------------------------------------------------------------------------
public static string DecryptClient(AESKeyInfo aesKeyInfo, string cipherText)
{
var key = ASPdb.Security.AESLogic.CryptoJS_enc_Base64_parse(aesKeyInfo.Key);
var iv = ASPdb.Security.AESLogic.CryptoJS_enc_Base64_parse(aesKeyInfo.IV);
string decrypted = AESLogic.CryptoJS_AES_decrypt(cipherText, key, 128 / 8, iv);
string plainText = ASPdb.Security.AESLogic.ToString_UTF8(decrypted);
return(plainText);
}
//----------------------------------------------------------------------------------------------------
public static string EncryptClient(AESKeyInfo aesKeyInfo, string message)
{
var key = ASPdb.Security.AESLogic.CryptoJS_enc_Base64_parse(aesKeyInfo.Key);
var iv = ASPdb.Security.AESLogic.CryptoJS_enc_Base64_parse(aesKeyInfo.IV);
var parsedText = AESLogic.CryptoJS_enc_Utf8_parse(message);
var cipherText = AESLogic.CryptoJS_AES_encrypt(parsedText, key, 128 / 8, iv);
return(cipherText);
}
public static string DecryptServer(AESKeyInfo aesKeyInfo, string cipherText)
{
var key_Bytes = Convert.FromBase64String(aesKeyInfo.Key);
var iv_Bytes = Convert.FromBase64String(aesKeyInfo.IV);
byte[] cipherBytes = Convert.FromBase64String(cipherText);
var plainText = DecryptStringFromBytes(cipherBytes, key_Bytes, iv_Bytes);
return(plainText);
}
public static string EncryptServer(AESKeyInfo aesKeyInfo, string message)
{
var key_Bytes = Convert.FromBase64String(aesKeyInfo.Key);
var iv_Bytes = Convert.FromBase64String(aesKeyInfo.IV);
byte[] cipherBytes = EncryptStringToBytes(message, key_Bytes, iv_Bytes);
var encrypted = Convert.ToBase64String(cipherBytes);
return(encrypted);
}
//----------------------------------------------------------------------------------------------------
private void Create_and_Send_AESKey()
{
this.AESKey = AESLogic.CreateNewAES();
JsString json = this.AESKey.ToJson();
string base64 = "";
string pem = this.PublicKeyPem;
eval(@"
var jsEncrypt = new JSEncrypt();
jsEncrypt.setKey(pem);
base64 = jsEncrypt.encrypt(json);
");
ASPdatabaseNET.AjaxService.ASPdatabaseService
.New(this, "SendAESKey_Return")
.NoEncryption()
.Authentication__SendAESKey(this.AESIndex, base64);
}
//----------------------------------------------------------------------------------------------------
public static AESKeyInfo CreateNewAES()
{
var rtn = new AESKeyInfo();
rtn.A = RandomBase64(1, 23);
rtn.B = RandomBase64(0, 11);
rtn.C = RandomBase64(0, 11);
rtn.D = RandomBase64(1, 23);
rtn.Pass = RandomBase64(25, 30);
var salt1 = AESLogic.CryptoJS_lib_WordArray_random(128 / 8);
var key = AESLogic.CryptoJS_PBKDF2(rtn.Pass, salt1, 128 / 32, 200);
rtn.Key = "" + AESLogic.CryptoJS_enc_Base64_stringify(key);
var salt2 = AESLogic.CryptoJS_lib_WordArray_random(128 / 8);
var iv = AESLogic.CryptoJS_PBKDF2(rtn.Pass, salt2, 128 / 32, 200);
rtn.IV = "" + AESLogic.CryptoJS_enc_Base64_stringify(iv);
return(rtn);
}
