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SASC
DVBSoftCAM
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SASC
DVBSoftCAM
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#include <string.h>#include <stdio.h>#include <sys/time.h>#include "FFdecsa.h"#include "FFdecsa_test_testcases.h"Go to the source code of this file.
Defines | |
| #define | NULL 0 |
| #define | TS_PKTS_FOR_TEST 30*1000 |
| #define | s_encrypted test_2_encrypted |
| #define | s_key_e test_2_key |
| #define | s_key_o test_invalid_key |
| #define | s_expected test_2_expected |
| #define | noONE_POISONED_PACKET |
Functions | |
| int | compare (unsigned char *p1, unsigned char *p2, int n, int silently) |
| int | main (void) |
Variables | |
| unsigned char | megabuf [188 *TS_PKTS_FOR_TEST] |
| unsigned char | onebuf [188] |
| unsigned char * | cluster [10] |
| #define noONE_POISONED_PACKET |
| #define NULL 0 |
Definition at line 28 of file FFdecsa_test.c.
Referenced by main().
| #define s_encrypted test_2_encrypted |
Referenced by main().
| #define s_expected test_2_expected |
Referenced by main().
| #define s_key_e test_2_key |
Referenced by main().
| #define s_key_o test_invalid_key |
Referenced by main().
| #define TS_PKTS_FOR_TEST 30*1000 |
Definition at line 57 of file FFdecsa_test.c.
Referenced by main().
| int compare | ( | unsigned char * | p1, |
| unsigned char * | p2, | ||
| int | n, | ||
| int | silently | ||
| ) |
Definition at line 33 of file FFdecsa_test.c.
References i.
Referenced by main().
{
int i;
int ok=1;
for(i=0;i<n;i++){
if(i==3) continue; // tolerate this
if(p1[i]!=p2[i]){
// fprintf(stderr,"at pos 0x%02x, got 0x%02x instead of 0x%02x\n",i,p1[i],p2[i]);
ok=0;
}
}
if(!silently){
if(ok){
fprintf(stderr,"CORRECT!\n");
}
else{
fprintf(stderr,"FAILED!\n");
}
}
return ok;
}
| int main | ( | void | ) |
Definition at line 64 of file FFdecsa_test.c.
References cluster, compare(), decrypt_packets(), get_key_struct(), i, keys, megabuf, NULL, onebuf, s_encrypted, s_expected, s_key_e, s_key_o, set_control_words(), test_1_encrypted, test_1_expected, test_1_key, test_2_encrypted, test_2_expected, test_2_key, test_3_encrypted, test_3_expected, test_3_key, test_invalid_key, test_p_10_0_encrypted, test_p_10_0_expected, test_p_10_0_key, test_p_1_6_encrypted, test_p_1_6_expected, test_p_1_6_key, and TS_PKTS_FOR_TEST.
{
int i;
struct timeval tvs,tve;
void *keys=get_key_struct();
int ok=1;
fprintf(stderr,"FFdecsa 1.0: testing correctness and speed\n");
/* begin correctness testing */
set_control_words(keys,test_invalid_key,test_1_key);
memcpy(onebuf,test_1_encrypted,188);
cluster[0]=onebuf;cluster[1]=onebuf+188;cluster[2]=NULL;
decrypt_packets(keys,cluster);
ok*=compare(onebuf,test_1_expected,188,0);
set_control_words(keys,test_2_key,test_invalid_key);
memcpy(onebuf,test_2_encrypted,188);
cluster[0]=onebuf;cluster[1]=onebuf+188;cluster[2]=NULL;
decrypt_packets(keys,cluster);
ok*=compare(onebuf,test_2_expected,188,0);
set_control_words(keys,test_3_key,test_invalid_key);
memcpy(onebuf,test_3_encrypted,188);
cluster[0]=onebuf;cluster[1]=onebuf+188;cluster[2]=NULL;
decrypt_packets(keys,cluster);
ok*=compare(onebuf,test_3_expected,188,0);
set_control_words(keys,test_p_10_0_key,test_invalid_key);
memcpy(onebuf,test_p_10_0_encrypted,188);
cluster[0]=onebuf;cluster[1]=onebuf+188;cluster[2]=NULL;
decrypt_packets(keys,cluster);
ok*=compare(onebuf,test_p_10_0_expected,188,0);
set_control_words(keys,test_p_1_6_key,test_invalid_key);
memcpy(onebuf,test_p_1_6_encrypted,188);
cluster[0]=onebuf;cluster[1]=onebuf+188;cluster[2]=NULL;
decrypt_packets(keys,cluster);
ok*=compare(onebuf,test_p_1_6_expected,188,0);
/* begin speed testing */
#if 0
// test on short packets
#define s_encrypted test_p_1_6_encrypted
#define s_key_e test_p_1_6_key
#define s_key_o test_invalid_key
#define s_expected test_p_1_6_expected
#else
//test on full packets
#define s_encrypted test_2_encrypted
#define s_key_e test_2_key
#define s_key_o test_invalid_key
#define s_expected test_2_expected
#endif
for(i=0;i<TS_PKTS_FOR_TEST;i++){
memcpy(&megabuf[188*i],s_encrypted,188);
}
// test that packets are not shuffled around
// so, let's put an undecryptable packet somewhere in the middle (we will use a wrong key)
#define noONE_POISONED_PACKET
#ifdef ONE_POISONED_PACKET
memcpy(&megabuf[188*(TS_PKTS_FOR_TEST*2/3)],test_3_encrypted,188);
#endif
// start decryption
set_control_words(keys,s_key_e,s_key_o);
gettimeofday(&tvs,NULL);
#if 0
// force one by one
for(i=0;i<TS_PKTS_FOR_TEST;i++){
cluster[0]=megabuf+188*i;cluster[1]=onebuf+188*i+188;cluster[2]=NULL;
decrypt_packets(keys,cluster);
}
#else
{
int done=0;
while(done<TS_PKTS_FOR_TEST){
//fprintf(stderr,"done=%i\n",done);
cluster[0]=megabuf+188*done;cluster[1]=megabuf+188*TS_PKTS_FOR_TEST;cluster[2]=NULL;
done+=decrypt_packets(keys,cluster);
}
}
#endif
gettimeofday(&tve,NULL);
//end decryption
fprintf(stderr,"speed=%f Mbit/s\n",(184*TS_PKTS_FOR_TEST*8)/((tve.tv_sec-tvs.tv_sec)+1e-6*(tve.tv_usec-tvs.tv_usec))/1000000);
fprintf(stderr,"speed=%f pkts/s\n",TS_PKTS_FOR_TEST/((tve.tv_sec-tvs.tv_sec)+1e-6*(tve.tv_usec-tvs.tv_usec)));
// this packet couldn't be decrypted correctly
#ifdef ONE_POISONED_PACKET
compare(megabuf+188*(TS_PKTS_FOR_TEST*2/3),test_3_expected,188,0); /* will fail because we used a wrong key */
#endif
// these should be ok
ok*=compare(megabuf,s_expected,188,0);
ok*=compare(megabuf+188*511,s_expected,188,0);
ok*=compare(megabuf+188*512,s_expected,188,0);
ok*=compare(megabuf+188*319,s_expected,188,0);
ok*=compare(megabuf+188*(TS_PKTS_FOR_TEST-1),s_expected,188,0);
for(i=0;i<TS_PKTS_FOR_TEST;i++){
if(!compare(megabuf+188*i,s_expected,188,1)){
fprintf(stderr,"FAILED COMPARISON OF PACKET %10i\n",i);
ok=0;
};
}
return ok ? 0 : 10;
}
| unsigned char* cluster[10] |
Definition at line 62 of file FFdecsa_test.c.
Referenced by decrypt_packets(), and main().
| unsigned char megabuf[188 *TS_PKTS_FOR_TEST] |
Definition at line 59 of file FFdecsa_test.c.
Referenced by main().
| unsigned char onebuf[188] |
Definition at line 60 of file FFdecsa_test.c.
Referenced by main().
1.7.3