C++加密解密php代码的方法

本文实例讲述了C++加密解密 php代码的方法。分享给大家供大家参考。具体实现方法如下：

#include "php.h"

#include "php_ini.h"

#include "ext/standard/info.h"

#include "string.h"

char * key = "abcd";

PHP_FUNCTION(encode){

long key_len = strlen(key);

char * code, * encode_code;

long code_len;

if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &code, &code_len) == FAILURE){

return;

}

encode_code = encode(code, code_len, key, key_len);

RETURN_STRING(encode_code, 0);

}

PHP_FUNCTION(decode){

long key_len = strlen(key);

char * code, * decode_code;

long code_len;

if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &code, &code_len) == FAILURE){

return;

}

decode_code = decode(code, code_len, key, key_len);

RETURN_STRING(decode_code, 0);

}

PHP_FUNCTION(run){

char * en_base64_code;

long en_base64_code_len;

char * decode_code;

long key_len = strlen(key);

char * eval_code;

char * str_name;

if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &en_base64_code, &en_base64_code_len) == FAILURE){

return;

}

str_name = zend_make_compiled_string_description("phpencoder" TSRMLS_CC);

decode_code = decode(en_base64_code, en_base64_code_len, key, key_len); //解码

spprintf(&eval_code, 0, " ?>%s<?php ", decode_code);

free(decode_code);

if(zend_eval_string(eval_code, NULL, str_name TSRMLS_CC) == FAILURE){ //解析失败

efree(str_name);

efree(eval_code);

php_error_docref(NULL TSRMLS_CC, E_RECOVERABLE_ERROR, "Please make sure '<?php' end with '?>'", PHP_EOL);

RETURN_FALSE;

}

efree(str_name);

efree(eval_code);

RETURN_TRUE;

}

inline char * encode(char * code, long code_len, char* key, long key_len){

char * code_encode;

int i;

long offset = 0, ret_len;

code_encode = strdup(code);

for(i =0; i<code_len; i++){

if(offset == key_len){

offset = 0;

}

* (code_encode + i) = * (code + i) ^ * (key + offset);

offset ++;

}

return php_base64_encode(code_encode, code_len, &ret_len); //base64 加密

}

inline char * decode(char * code,long code_len, char* key, long key_len){

char * code_decode;

char * nobase_code;

int i;

long offset = 0, ret_len;

zend_bool strict = 0;

code_decode = strdup(code);

nobase_code = php_base64_decode_ex((unsigned char*)code, code_len, &ret_len, strict); //解密，ret_len 返回长度

for(i =0; i<ret_len; i++){

if(offset == key_len){

offset = 0;

}

* (code_decode + i) = * (nobase_code + i) ^ * (key + offset);

offset ++;

}

* (code_decode + i) = '\\0';

return code_decode;

}

希望本文所述对大家的C++程序设计有所帮助。

C++加密解密php代码的方法

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