加密解密php代码

jlwcb

[C/C++]代码

1. #include "php.h"
   
2. #include "php_ini.h"
   
3. #include "ext/standard/info.h"
   
4. #include "string.h"
   
5. 
   
6. char * key = "abcd";
   
7. 
   
8. 
   
9. PHP_FUNCTION(encode){
   
10.     long key_len = strlen(key);
    
11.     char * code, * encode_code;
    
12.     long code_len;
    
13.     if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &code, &code_len) == FAILURE){
    
14.         return;
    
15.     }
    
16.     encode_code = encode(code, code_len, key, key_len);
    
17.     RETURN_STRING(encode_code, 0);
    
18. }
    
19. PHP_FUNCTION(decode){
    
20.     long key_len = strlen(key);
    
21.     char * code, * decode_code;
    
22.     long code_len;
    
23.     if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &code, &code_len) == FAILURE){
    
24.         return;
    
25.     }
    
26.     decode_code = decode(code, code_len, key, key_len);
    
27.     RETURN_STRING(decode_code, 0);
    
28. }
    
29. PHP_FUNCTION(run){
    
30.     char * en_base64_code;
    
31.     long en_base64_code_len;
    
32.      
    
33.     char * decode_code;
    
34.     long key_len = strlen(key);
    
35.     char * eval_code;
    
36.     char * str_name;
    
37. 
    
38.     if(zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &en_base64_code, &en_base64_code_len) == FAILURE){
    
39.         return;
    
40.     }
    
41. 
    
42.     str_name = zend_make_compiled_string_description("phpencoder" TSRMLS_CC);
    
43. 
    
44.     decode_code = decode(en_base64_code, en_base64_code_len, key, key_len); //解码
    
45.     spprintf(&eval_code, 0, " ?>%s<?php ", decode_code);
    
46.     free(decode_code);
    
47.     if(zend_eval_string(eval_code, NULL, str_name TSRMLS_CC) == FAILURE){ //解析失败
    
48.         efree(str_name);
    
49.         efree(eval_code);
    
50.         php_error_docref(NULL TSRMLS_CC, E_RECOVERABLE_ERROR, "Please make sure '<?php' end with '?>'", PHP_EOL);
    
51.         RETURN_FALSE;
    
52.     }
    
53.     efree(str_name);
    
54.     efree(eval_code);
    
55.     RETURN_TRUE;
    
56.      
    
57. }
    
58. inline char * encode(char * code, long code_len, char* key, long key_len){
    
59.     char * code_encode;
    
60.     int i;
    
61.     long offset = 0, ret_len;
    
62.     code_encode = strdup(code);
    
63. 
    
64.     for(i =0; i<code_len; i++){
    
65.         if(offset == key_len){
    
66.             offset = 0;
    
67.         }
    
68.         * (code_encode + i) = * (code + i) ^ * (key + offset);
    
69.         offset ++;
    
70.     }
    
71.     return php_base64_encode(code_encode, code_len, &ret_len); //base64 加密
    
72. }
    
73. inline char * decode(char * code,long code_len, char* key, long key_len){
    
74.     char * code_decode;
    
75.     char * nobase_code;
    
76.     int i;
    
77.     long offset = 0, ret_len;
    
78.     zend_bool strict = 0;
    
79. 
    
80.     code_decode = strdup(code);
    
81. 
    
82.     nobase_code = php_base64_decode_ex((unsigned char*)code, code_len, &ret_len, strict); //解密，ret_len 返回长度
    
83.     for(i =0; i<ret_len; i++){
    
84.         if(offset == key_len){
    
85.             offset = 0;
    
86.         }
    
87.         * (code_decode + i) = * (nobase_code + i) ^ * (key + offset);
    
88.         offset ++;
    
89.     }
    
90.     * (code_decode + i) = '\0';
    
91.     return code_decode;
    
92. }

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hanzhenlll

php代码有什么好加密的， 如果有需要直接cgi啊...

fender0107401

貌似是一个php的扩展。