• php与java通用AES加密解密算法

    AES指高级加密标准（Advanced Encryption Standard）,是当前最流行的一种密码算法，在web应用开发，特别是对外提供接口时经常会用到，下面是我整理的一套php与java通用的AES加密解密算法。

    php版代码如下：

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    39
    40
    41
    42
    43
    44
    45
    46
    47
    48
    49
    50
    51
    52
    53
    54
    55
    56
    57
    58
    59
    60
    61
    62
    63
    64
    65
    66
    67
    68
    69
    70
    71
    72
    73
    74
    75
    76
    77
    78
    79
    80
    81
    82
    83
    84
    85
    86
    87
    88
    89
    90
    91
    92
    93
    94
    95
    96
    97
    98
    99
    100
    101
    102
    103
    104
    105
    106
    107
    108
    109
    110
    111
    112
    113
    114
    115
    116
    117
    118
    119
    120
    121
    122
    123
    124
    125
    126
    127
    128
    129
    130
    131
    132
    133
    134
    135
    136
    137
    138
    139
    140
    141
    142
    143
    144
    145
    <?php
    class CryptAES
    {
        protected $cipher = MCRYPT_RIJNDAEL_128;
        protected $mode = MCRYPT_MODE_ECB;
        protected $pad_method = NULL;
        protected $secret_key = '';
        protected $iv = '';
     
        public function set_cipher($cipher)
        {
            $this->cipher = $cipher;
        }
     
        public function set_mode($mode)
        {
            $this->mode = $mode;
        }
     
        public function set_iv($iv)
        {
            $this->iv = $iv;
        }
     
        public function set_key($key)
        {
            $this->secret_key = $key;
        }
     
        public function require_pkcs5()
        {
            $this->pad_method = 'pkcs5';
        }
     
        protected function pad_or_unpad($str, $ext)
        {
            if ( is_null($this->pad_method) )
            {
                return $str;
            }
            else
            {
                $func_name = __CLASS__ . '::' . $this->pad_method . '_' . $ext . 'pad';
                if ( is_callable($func_name) )
                {
                    $size = mcrypt_get_block_size($this->cipher, $this->mode);
                    return call_user_func($func_name, $str, $size);
                }
            }
            return $str;
        }
     
        protected function pad($str)
        {
            return $this->pad_or_unpad($str, '');
        }
     
        protected function unpad($str)
        {
            return $this->pad_or_unpad($str, 'un');
        }
     
        public function encrypt($str)
        {
            $str = $this->pad($str);
            $td = mcrypt_module_open($this->cipher, '', $this->mode, '');
     
            if ( empty($this->iv) )
            {
                $iv = @mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
            }
            else
            {
                $iv = $this->iv;
            }
     
            mcrypt_generic_init($td, $this->secret_key, $iv);
            $cyper_text = mcrypt_generic($td, $str);
            $rt=base64_encode($cyper_text);
            //$rt = bin2hex($cyper_text);
            mcrypt_generic_deinit($td);
            mcrypt_module_close($td);
     
            return $rt;
        }
     
        public function decrypt($str){
            $td = mcrypt_module_open($this->cipher, '', $this->mode, '');
     
            if ( empty($this->iv) )
            {
                $iv = @mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_RAND);
            }
            else
            {
                $iv = $this->iv;
            }
     
            mcrypt_generic_init($td, $this->secret_key, $iv);
            //$decrypted_text = mdecrypt_generic($td, self::hex2bin($str));
            $decrypted_text = mdecrypt_generic($td, base64_decode($str));
            $rt = $decrypted_text;
            mcrypt_generic_deinit($td);
            mcrypt_module_close($td);
     
            return $this->unpad($rt);
        }
     
        public static function hex2bin($hexdata) {
            $bindata = '';
            $length = strlen($hexdata);
            for ($i=0; $i amp;< $length; $i += 2)
            {
                $bindata .= chr(hexdec(substr($hexdata, $i, 2)));
            }
            return $bindata;
        }
     
        public static function pkcs5_pad($text, $blocksize)
        {
            $pad = $blocksize - (strlen($text) % $blocksize);
            return $text . str_repeat(chr($pad), $pad);
        }
     
        public static function pkcs5_unpad($text)
        {
            $pad = ord($text{strlen($text) - 1});
            if ($pad > strlen($text)) return false;
            if (strspn($text, chr($pad), strlen($text) - $pad) != $pad) return false;
            return substr($text, 0, -1 * $pad);
        }
    }
     
    $keyStr = 'UITN25LMUQC436IM';
    $plainText = 'this is a string will be AES_Encrypt';
     
    $aes = new CryptAES();
    $aes->set_key($keyStr);
    $aes->require_pkcs5();
    $encText = $aes->encrypt($plainText);
    $decString = $aes->decrypt($encText);
     
    echo $encText,"n",$decString;
     
    ?>

    运行结果：
    fhTD0NNIzv4jUEhJuC1htFFXJ/4S/rL6tDCJPiNvJ8mVLHWOD0HWweuxHynxoZf9
    this is a string will be AES_Encrypt

    java版代码如下：

    1
    2
    3
    4
    5
    6
    7
    8
    9
    10
    11
    12
    13
    14
    15
    16
    17
    18
    19
    20
    21
    22
    23
    24
    25
    26
    27
    28
    29
    30
    31
    32
    33
    34
    35
    36
    37
    38
    39
    40
    41
    42
    43
    44
    45
    46
    47
    48
    49
    50
    51
    52
    53
    54
    55
    56
    57
    58
    59
    60
    61
    import java.security.Key;
    import javax.crypto.Cipher;
    import javax.crypto.spec.SecretKeySpec;
     
    import org.apache.commons.codec.binary.Base64;
      
    public class CryptAES {
      
        private static final String AESTYPE ="AES/ECB/PKCS5Padding";
     
        public static String AES_Encrypt(String keyStr, String plainText) {
            byte[] encrypt = null;
            try{
                Key key = generateKey(keyStr);
                Cipher cipher = Cipher.getInstance(AESTYPE);
                cipher.init(Cipher.ENCRYPT_MODE, key);
                encrypt = cipher.doFinal(plainText.getBytes());    
            }catch(Exception e){
                e.printStackTrace();
            }
            return new String(Base64.encodeBase64(encrypt));
        }
     
        public static String AES_Decrypt(String keyStr, String encryptData) {
            byte[] decrypt = null;
            try{
                Key key = generateKey(keyStr);
                Cipher cipher = Cipher.getInstance(AESTYPE);
                cipher.init(Cipher.DECRYPT_MODE, key);
                decrypt = cipher.doFinal(Base64.decodeBase64(encryptData));
            }catch(Exception e){
                e.printStackTrace();
            }
            return new String(decrypt).trim();
        }
     
        private static Key generateKey(String key)throws Exception{
            try{           
                SecretKeySpec keySpec = new SecretKeySpec(key.getBytes(), "AES");
                return keySpec;
            }catch(Exception e){
                e.printStackTrace();
                throw e;
            }
     
        }
     
        public static void main(String[] args) {
             
            String keyStr = "UITN25LMUQC436IM"; 
     
            String plainText = "this is a string will be AES_Encrypt";
             
            String encText = AES_Encrypt(keyStr, plainText);
            String decString = AES_Decrypt(keyStr, encText);
             
            System.out.println(encText);
            System.out.println(decString);
     
        }
    }

    运行结果：
    fhTD0NNIzv4jUEhJuC1htFFXJ/4S/rL6tDCJPiNvJ8mVLHWOD0HWweuxHynxoZf9
    this is a string will be AES_Encrypt
  • 相关阅读:
    svn中出现各种感叹号说明
    Oracle“记录被另一个用户锁住” 无法更新删除的解决办法
    C/C++中extern关键字详解
    Oracle创建视图view权限不足问题剖析
    和菜鸟一起学linux之常见错误的解决和常用命令
    万能数据库查询分析器使用技巧之（十一）
    orale中如何获取当前月份？
    “刘易斯拐点”后劳动力市场中的信任与有效性
    “微”力无穷：企业微信营销全攻略
    2小时精通金数据
  • 原文地址：https://www.cnblogs.com/grimm/p/7233050.html
Copyright © 2020-2023  润新知