lvfulong
116 lines
2.8 KiB
C++
116 lines
2.8 KiB
C++
/**
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@file JCCrypto.h
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@brief
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@author hugao
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@version 1.0
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@date 2016_5_12
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*/
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#ifndef __JCCrypto_H__
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#define __JCCrypto_H__
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#pragma warning(disable:4786)
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#define NORMAL_SIZE BUFSIZ
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#include <string>
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using namespace std;
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namespace laya
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{
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char *base64_decode(const unsigned char *str, int length, int *ret_length);
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char* base64_encode(const unsigned char *str, int length, int *ret_length);
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unsigned int base64Decode(char *pDest, const char *pSrc, unsigned int srclen);
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unsigned int base64Encode(char *pDest, const char *pSrc, unsigned int srclen);
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class JCBKDRHash {
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public:
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static unsigned int hashStr(const unsigned char* str);
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static unsigned int hashMem(const unsigned char* mem, int len);
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};
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#ifndef WEBASM
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struct MD5_DATA
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{
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unsigned long data[4];
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bool operator < (const MD5_DATA& p) const
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{
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return memcmp(data, p.data, 4 * sizeof(long))>0;
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}
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};
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class JCMD5
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{
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private:
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struct md5_context
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{
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unsigned int total[2];
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unsigned int state[4];
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unsigned char buffer[64];
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};
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void md5_starts(struct md5_context *ctx);
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void md5_process(struct md5_context *ctx, unsigned char data[64]);
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void md5_update(struct md5_context *ctx, unsigned char *input, size_t length);
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void md5_finish(struct md5_context *ctx, unsigned char digest[16]);
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public:
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//! construct a CMD5 from any buffer
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void GenerateMD5(unsigned char* buffer, size_t bufferlen);
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//! construct a CMD5
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JCMD5();
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//! construct a md5src from char *
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JCMD5(const char * md5src);
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//! construct a CMD5 from a 16 bytes md5
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JCMD5(unsigned long* md5src);
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//! add a other md5
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JCMD5 operator +(JCMD5 adder);
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//! just if equal
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bool operator ==(JCMD5 cmper);
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//! give the value from equer
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// void operator =(CMD5 equer);
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//! to a string
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string ToString();
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unsigned long m_data[4];
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};
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#ifndef THIN_COMMON_WITHOUT_DOWNLOAD
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class JCEncrypt
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{
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public:
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/** @brief构造函数
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*/
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JCEncrypt();
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/** @brief析构函数
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*/
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~JCEncrypt();
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static bool decrypt(char *buf, int len);
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static std::string getpassCode(std::string url);
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private:
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static std::string s_sPassCode;//生成秘钥的辅助字符串
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static std::string s_sPreCode; //加密文件的前面的标志
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static std::string s_sPassMd5; //秘钥
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public:
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static int s_nPreLen; //加密前缀的字数
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};
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#endif
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uint32_t crc32(const unsigned char *buf, uint32_t size);
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#endif
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}
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//------------------------------------------------------------------------------
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#endif //__JCCrypto_H__
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//-----------------------------END FILE--------------------------------
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