aes decryption

/* * $data encrypted content, $key key */ function Cbc_encrypt ($data, $key) {$iv = $key; $padding =-(strlen ($data)% 16); $data. = Str_repeat (Chr ($padding), $padding); $encrypted = Mcrypt_encrypt (mcrypt_rijndael_128, $key, $data, MCRYPT_MODE_CBC, $IV); Return Base64_encode ($encrypted); } function Cbc_decrypt ($data, $key) { $iv = $key; $data = Base64_decode ($data); $data = Mcrypt_decrypt (mcrypt_rijndael_128, $key, $data, MCRYPT_MODE_CBC, $IV); $padding = Ord ($data [Strlen ($data)-1])

Http://www.tuicool.com/articles/nERnqe Http://www.cnblogs.com/AloneSword/p/3485912.html "Here is a detailed description of the specific symmetric and asymmetric algorithms" AES encryption and decryption inside C # C # code written in Visual Studio Using System; Using System.Collections.Generic; Using System.Linq; Using System.Text; Using System.Security.Cryptography; Namespace Test {class Class1 {sta

Python: AES encryption and decryption, aes encryption and decryption Origin: When the video is downloaded and parsed to a website, it is found that the video id is encrypted with AES, and the file is https://code.google.com/archive/p/crypto-js.Decryption is a simple JavaScri

Use default encryptionpublic static string Desencrypt (String strText)Use default decryptionpublic static string Desdecrypt (String strText)Encrypt the string, note that the length of the Strencrkey is 8 bitspublic static string Desencrypt (String strText, String strencrkey)Decrypt the string, note that the length of the Strencrkey is 8 bitspublic static string Desdecrypt (String strText, String sdecrkey)Encrypt the data file, note that the length of the Strencrkey is 8 bitspublic static void De

);Encryptor.flushfinalblock ();Cryptograph = Memory.toarray ();}}}Catch{Cryptograph = null;}return cryptograph;}AES Decryptionpublic static byte[] Aesdecrypt (byte[] Data, String Key, String Vector){byte[] Bkey = new BYTE[32];Array.copy (Encoding.UTF8.GetBytes (Key.padright (bkey.length)), Bkey, bkey.length);byte[] Bvector = new BYTE[16];Array.copy (Encoding.UTF8.GetBytes (Vector.padright (bvector.length)), Bvector, bvector.length);byte[] original = n

Python AES encryption and decryption, and pythonaes encryption and decryption The length of the AES encrypted data block group must be 128 bits, and the key length can be any of the 128 bits, 192 bits, and 256 bits (if the length of the data block and the key is insufficient, it will be completed ).

AES encryption and decryption algorithm, using BASE64 to do transcoding and auxiliary encryption: package Com.wintv.common;Import Javax.crypto.Cipher;Import Javax.crypto.spec.IvParameterSpec;Import Javax.crypto.spec.SecretKeySpec;Import Sun.misc.BASE64Decoder;Import Sun.misc.BASE64Encoder;/** ******************************************************************************

*base64enres = [[NSString alloc] Initwithdata:dataenres encoding:nsutf8stringencoding]; NSLog (@ "base64 encryption:%@", base64enres); Base64 decryption NSData *resdebase64 = [GTMBase64 decodedata:dataenres]; NSString *strdebase64 = [[NSString alloc] initwithdata:resdebase64 encoding:nsutf8stringencoding]; NSLog (@ "Base64 decryption:%@", strDeBase64);

AES encryption and decryption data, RSA authentication signature, the project interface used to encrypt the decryption algorithm, research the next, make a custom under the record

algorithm, and combine the AVR assembly language to realize the Advanced Data encryption algorithm AES. AES is a packet key, the algorithm input 128-bit data, the key length is 128 bits. NR represents the number of rounds that are encrypted for a data group (the relationship between the number of cryptographic rounds and key lengths, as shown in table 1). Each round requires the participation of an extende

AES symmetric encryption and decryption Packagedemo.security;Importjava.io.IOException;Importjava.io.UnsupportedEncodingException;Importjava.security.InvalidKeyException;Importjava.security.NoSuchAlgorithmException;ImportJava.security.SecureRandom;Importjava.util.Base64;ImportJava.util.Scanner;Importjavax.crypto.BadPaddingException;ImportJavax.crypto.Cipher;Importjavax.crypto.IllegalBlockSizeException;Impor

Package Demo.security;import Java.io.ioexception;import java.io.unsupportedencodingexception;import Java.security.invalidkeyexception;import Java.security.nosuchalgorithmexception;import Java.security.securerandom;import Java.util.base64;import Java.util.scanner;import Javax.crypto.badpaddingexception;import Javax.crypto.cipher;import Javax.crypto.illegalblocksizeexception;import Javax.crypto.keygenerator;import Javax.crypto.nosuchpaddingexception;import Javax.crypto.secretkey;import Javax.crypt

Packagedemo.security;Importjava.io.IOException;Importjava.io.UnsupportedEncodingException;Importjava.security.InvalidKeyException;Importjava.security.NoSuchAlgorithmException;ImportJava.security.SecureRandom;Importjava.util.Base64;ImportJava.util.Scanner;Importjavax.crypto.BadPaddingException;ImportJavax.crypto.Cipher;Importjavax.crypto.IllegalBlockSizeException;ImportJavax.crypto.KeyGenerator;Importjavax.crypto.NoSuchPaddingException;ImportJavax.crypto.SecretKey;ImportJavax.crypto.spec.SecretKe

Example of AES encryption and decryption in php. AesDemo. php: for example, copy the code as follows :? Phprequire_once (. AES. php); $ aesnewAES (true); store the encrypted string in hexadecimal format. aesDemo. php: Example, The code is as follows: Require_once ('./AES. php ');// $

AES symmetric encryption and decryption code detailed introduction, for your reference, the specific content as follows Package demo.security; Import java.io.IOException; Import java.io.UnsupportedEncodingException; Import java.security.InvalidKeyException; Import java.security.NoSuchAlgorithmException; Import Java.security.SecureRandom; Import java.util.Base64; Import Java.util.Scanner; Import jav

;} Switch ($this->mode) {Case ' ECB ': $this->mode = MCRYPT_MODE_ECB; BreakCase ' CFB ': $this->mode = MCRYPT_MODE_CFB; BreakCase ' OFB ': $this->mode = MCRYPT_MODE_OFB; BreakCase ' NOFB ': $this->mode = MCRYPT_MODE_NOFB; BreakDefault: $this->mode = MCRYPT_MODE_CBC;}} Public function Encrypt ($data) {$data = Base64_encode (Mcrypt_encrypt ($this->cipher, $this->key, $data, $this->mode, $this->iv));return $data;} Public function Decrypt ($data) {$data = Mcrypt_decrypt ($this->cipher, $this->key, B

The following is a commonly available online Java AES encryption and decryption method.Because it uses keygenerator and securerandom, there are no 2 classes in. NET. Cannot generate key using secure random number.After we receive the AES encrypted string sent by Java, there is no corresponding keygenerator and securerandom in. NET to generate the key value of

Why do I have to implement the go aes-cbc-256 encryption and decryption function? The previous project was implemented using PHP. Now we are going to use go for reconstruction. This function is required. This common feature allows us to search for a ready-made example on the Internet, so you can implement a pair of encryption and decryption functions in minutes b

;} Switch ($this->mode) {Case ' ECB ': $this->mode = MCRYPT_MODE_ECB; BreakCase ' CFB ': $this->mode = MCRYPT_MODE_CFB; BreakCase ' OFB ': $this->mode = MCRYPT_MODE_OFB; BreakCase ' NOFB ': $this->mode = MCRYPT_MODE_NOFB; BreakDefault: $this->mode = MCRYPT_MODE_CBC;}} Public function Encrypt ($data) {$data = Base64_encode (Mcrypt_encrypt ($this->cipher, $this->key, $data, $this->mode, $this->iv));return $data;} Public function Decrypt ($data) {$data = Mcrypt_decrypt ($this->cipher, $this->key, B

= MCRYPT_RIJNDAEL_256; break;Default: $ this-> cipher = MCRYPT_RIJNDAEL_128;} Switch ($ this-> mode ){Case 'ecb ': $ this-> mode = MCRYPT_MODE_ECB; break;Case 'cfb ': $ this-> mode = MCRYPT_MODE_CFB; break;Case 'ofb': $ this-> mode = MCRYPT_MODE_OFB; break;Case 'nofb ': $ this-> mode = MCRYPT_MODE_NOFB; break;Default: $ this-> mode = MCRYPT_MODE_CBC;}} Public function encrypt ($ data ){$ Data = base64_encode (mcrypt_encrypt ($ this-> cipher, $ this-> key, $ data, $ this-> mode, $ this-> iv ));R