php 通过AES加密/解密 bin2hex/hex2bin转换
<?php
/**
* 通过AES加密请求数据
*
* @param array $query
* @return string
*/
function AESEncryptRequest($encryptKey, $query){
return $this->encrypt_pass($query,$encryptKey);
}
// 加密
function encrypt_pass($input, $key) {
$size = mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB);
$input = pkcs5_pad($input, $size);
$td = mcrypt_module_open(MCRYPT_RIJNDAEL_128, "", MCRYPT_MODE_ECB, "");
$iv = "0102030405060708";
mcrypt_generic_init($td, $key, $iv);
$data = mcrypt_generic($td, $input);
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
$data = bin2hex($data);
return $data;
}
//填充
function pkcs5_pad ($text, $blocksize) {
$pad = $blocksize - (strlen($text) % $blocksize);
return $text . str_repeat(chr($pad), $pad);
}
/**
* 通过AES解密请求数据
*
* @param array $query
* @return string
*/
function AESDecryptResponse($encryptKey,$data){
return $this->decrypt_pass($data,$encryptKey);
}
// 解密
function decrypt_pass($sStr, $sKey) {
$iv = "0102030405060708";
$decrypted= mcrypt_decrypt(
MCRYPT_RIJNDAEL_128,
$sKey,
hex2bin($sStr),
MCRYPT_MODE_ECB,
$iv
);
$dec_s = strlen($decrypted);
$padding = ord($decrypted[$dec_s-1]);
$decrypted = substr($decrypted, 0, -$padding);
return $decrypted;
}
/**
* 通过AES加密请求数据
*
* @param array $query
* @return string
*/
function AESEncryptRequest($encryptKey, $query){
return $this->encrypt_pass($query,$encryptKey);
}
// 加密
function encrypt_pass($input, $key) {
$size = mcrypt_get_block_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_ECB);
$input = pkcs5_pad($input, $size);
$td = mcrypt_module_open(MCRYPT_RIJNDAEL_128, "", MCRYPT_MODE_ECB, "");
$iv = "0102030405060708";
mcrypt_generic_init($td, $key, $iv);
$data = mcrypt_generic($td, $input);
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
$data = bin2hex($data);
return $data;
}
//填充
function pkcs5_pad ($text, $blocksize) {
$pad = $blocksize - (strlen($text) % $blocksize);
return $text . str_repeat(chr($pad), $pad);
}
/**
* 通过AES解密请求数据
*
* @param array $query
* @return string
*/
function AESDecryptResponse($encryptKey,$data){
return $this->decrypt_pass($data,$encryptKey);
}
// 解密
function decrypt_pass($sStr, $sKey) {
$iv = "0102030405060708";
$decrypted= mcrypt_decrypt(
MCRYPT_RIJNDAEL_128,
$sKey,
hex2bin($sStr),
MCRYPT_MODE_ECB,
$iv
);
$dec_s = strlen($decrypted);
$padding = ord($decrypted[$dec_s-1]);
$decrypted = substr($decrypted, 0, -$padding);
return $decrypted;
}
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