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changed pointer to const,it doesnt work now,why?

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This commit is contained in:
wangyu
2017-07-23 19:21:40 +08:00
committed by wangyu
parent aaff345cae
commit bf449634f1
3 changed files with 48 additions and 29 deletions
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24
encrypt.cpp
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@@ -13,8 +13,23 @@ static const int disable_all=0;
static const int disable_aes=0;
//int auth(uint8_t *data,)
/*
int my_encrypt(uint8_t *data,uint8_t *output,int &len,uint8_t * key)
{
return 0;
}
int my_decrypt(uint8_t *data,uint8_t *output,int &len,uint8_t * key)
{
return 0;
}
*/
int my_encrypt(const char *data0,char *output,int &len,char * key)
{
char data[65535+100];
memcpy(data,data0,len);
if(disable_all)
{
memcpy(output,data,len);
@@ -38,7 +53,7 @@ int my_encrypt(uint8_t *data,uint8_t *output,int &len,uint8_t * key)
//printf("%d %d\n",data[len-16-2],data[len-16-1]);
md5(data,len-16,data+len-16);
md5((unsigned char *)data,len-16,(unsigned char *)(data+len-16));
//memcpy(buf,data,len); //not thread safe
@@ -56,8 +71,11 @@ int my_encrypt(uint8_t *data,uint8_t *output,int &len,uint8_t * key)
return 0;
}
int my_decrypt(uint8_t *data,uint8_t *output,int &len,uint8_t * key)
int my_decrypt(const char *data0,char *output,int &len,char * key)
{
char data[65535+100];
memcpy(data,data0,len);
if(disable_all)
{
memcpy(output,data,len);
@@ -83,7 +101,7 @@ int my_decrypt(uint8_t *data,uint8_t *output,int &len,uint8_t * key)
//printf("<<%d>>",len);
md5(output,len-16,md5_res);
md5((unsigned char *)output,len-16,(unsigned char *)md5_res);
if(memcmp(output+len-16,md5_res,16)!=0)
{