github/wangyu-udp2raw
1
0
Fork 0
mirror of https://github.com/wangyu-/udp2raw.git synced 2025-10-14 09:55:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

log macro to print file name and line number

Browse Source
This commit is contained in:
wangyu
2017-07-25 00:04:49 +08:00
committed by wangyu
parent 3e50007667
commit 966ec3c925
4 changed files with 30 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
encrypt.cpp
View File

@@ -6,6 +6,8 @@
#include <stdio.h>
#include <encrypt.h>
#include "log.h"
//static uint64_t seq=1;
static int8_t zero_iv[]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0};//this prog use zero iv,you should make sure first block of data contains a random/nonce data
@@ -18,6 +20,10 @@ static const int disable_aes=0;
int auth_mode=auth_md5;
int cipher_mode=cipher_aes128cbc;
//int auth(uint8_t *data,)
/*
int my_encrypt(uint8_t *data,uint8_t *output,int &len,uint8_t * key)
@@ -48,6 +54,7 @@ int auth_md5_verify(const char *data,int &len)
{
if(len<16)
{
log(log_trace,"auth_md5_verify len<16\n");
return -1;
}
char md5_res[16];
@@ -56,6 +63,7 @@ int auth_md5_verify(const char *data,int &len)
if(memcmp(md5_res,data+len-16,16)!=0)
{
log(log_trace,"auth_md5_verify md5 check failed\n");
return -2;
}
len-=16;
@@ -91,8 +99,8 @@ int cipher_none_encrypt(const char *data,char *output,int &len,char * key)
}
int cipher_aes128cbc_decrypt(const char *data,char *output,int &len,char * key)
{
if(len%16 !=0) return -1;
if(len<2) return -1;
if(len%16 !=0) {log(log_trace,"len%16!=0");return -1;}
if(len<2) {log(log_trace,"len <2 ");return -1;}return -1;
AES_CBC_decrypt_buffer((unsigned char *)output,(unsigned char *)data,len,(unsigned char *)key,(unsigned char *)zero_iv);
len=((unsigned char)output[len-2])*256u+((unsigned char)output[len-1]);
return 0;
@@ -135,14 +143,14 @@ int cipher_decrypt(const char *data,char *output,int &len,char * key)
int my_encrypt(const char *data,char *output,int &len,char * key)
{
if(len<0) return -1;
if(len>65535) return -1;
if(len<0) {log(log_trace,"len<0");return -1;}
if(len>65535) {log(log_trace,"len>65535");return -1;}
char buf[65535+100];
char buf2[65535+100];
memcpy(buf,data,len);
if(auth_cal(buf,buf2,len)!=0) {return -1;}
if(cipher_encrypt(buf2,output,len,key) !=0) {return -1;}
if(auth_cal(buf,buf2,len)!=0) {log(log_trace,"auth_cal failed ");return -1;}
if(cipher_encrypt(buf2,output,len,key) !=0) {log(log_trace,"auth_cal failed ");return -1;}
return 0;
}
@@ -151,8 +159,8 @@ int my_decrypt(const char *data,char *output,int &len,char * key)
if(len<0) return -1;
if(len>65535) return -1;
if(cipher_decrypt(data,output,len,key) !=0) {return -1;}
if(auth_verify(output,len)!=0) {return -1;}
if(cipher_decrypt(data,output,len,key) !=0) {log(log_trace,"cipher_decrypt failed "); return -1;}
if(auth_verify(output,len)!=0) {log(log_trace,"auth_verify failed ");return -1;}
return 0;
}