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fix the bug caused by sign

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wangyu
2017-07-23 19:43:00 +08:00
committed by wangyu
parent bf449634f1
commit 8ecb55d845
2 changed files with 10 additions and 5 deletions
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6
encrypt.cpp
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@@ -48,8 +48,8 @@ int my_encrypt(const char *data0,char *output,int &len,char * key)
if(len>65535) return -1;
data[len-16-2]=(uint16_t(ori_len))>>8;
data[len-16-1]=((uint16_t(ori_len))<<8)>>8;
data[len-16-2]= (unsigned char)( (uint16_t(ori_len))>>8);
data[len-16-1]=(unsigned char)( ((uint16_t(ori_len))<<8)>>8) ;
//printf("%d %d\n",data[len-16-2],data[len-16-1]);
@@ -108,7 +108,7 @@ int my_decrypt(const char *data0,char *output,int &len,char * key)
return -2;
}
len=output[len-16-2]*256u+output[len-16-1];
len=((unsigned char)output[len-16-2])*256u+((unsigned char)output[len-16-1]); //this may be broken because of sign
return 0;
}