union {\r
struct Crypto1State *slhead;\r
uint64_t *keyhead;\r
- };\r
+ } head;\r
union {\r
struct Crypto1State *sltail;\r
uint64_t *keytail;\r
- };\r
+ } tail;\r
uint32_t len;\r
uint32_t uid;\r
uint32_t blockNo;\r
struct Crypto1State *p1;\r
StateList_t *statelist = arg;\r
\r
- statelist->slhead = lfsr_recovery32(statelist->ks1, statelist->nt ^ statelist->uid);\r
- for (p1 = statelist->slhead; *(uint64_t *)p1 != 0; p1++);\r
- statelist->len = p1 - statelist->slhead;\r
- statelist->sltail = --p1;\r
- qsort(statelist->slhead, statelist->len, sizeof(uint64_t), Compare16Bits);\r
+ statelist->head.slhead = lfsr_recovery32(statelist->ks1, statelist->nt ^ statelist->uid);\r
+ for (p1 = statelist->head.slhead; *(uint64_t *)p1 != 0; p1++);\r
+ statelist->len = p1 - statelist->head.slhead;\r
+ statelist->tail.sltail = --p1;\r
+ qsort(statelist->head.slhead, statelist->len, sizeof(uint64_t), Compare16Bits);\r
\r
- return statelist->slhead;\r
+ return statelist->head.slhead;\r
}\r
\r
\r
\r
// wait for threads to terminate:\r
for (i = 0; i < 2; i++) {\r
- pthread_join(thread_id[i], (void*)&statelists[i].slhead);\r
+ pthread_join(thread_id[i], (void*)&statelists[i].head.slhead);\r
}\r
\r
\r
// the first 16 Bits of the cryptostate already contain part of our key.\r
// Create the intersection of the two lists based on these 16 Bits and\r
// roll back the cryptostate\r
- p1 = p3 = statelists[0].slhead; \r
- p2 = p4 = statelists[1].slhead;\r
- while (p1 <= statelists[0].sltail && p2 <= statelists[1].sltail) {\r
+ p1 = p3 = statelists[0].head.slhead; \r
+ p2 = p4 = statelists[1].head.slhead;\r
+ while (p1 <= statelists[0].tail.sltail && p2 <= statelists[1].tail.sltail) {\r
if (Compare16Bits(p1, p2) == 0) {\r
struct Crypto1State savestate, *savep = &savestate;\r
savestate = *p1;\r
- while(Compare16Bits(p1, savep) == 0 && p1 <= statelists[0].sltail) {\r
+ while(Compare16Bits(p1, savep) == 0 && p1 <= statelists[0].tail.sltail) {\r
*p3 = *p1;\r
lfsr_rollback_word(p3, statelists[0].nt ^ statelists[0].uid, 0);\r
p3++;\r
p1++;\r
}\r
savestate = *p2;\r
- while(Compare16Bits(p2, savep) == 0 && p2 <= statelists[1].sltail) {\r
+ while(Compare16Bits(p2, savep) == 0 && p2 <= statelists[1].tail.sltail) {\r
*p4 = *p2;\r
lfsr_rollback_word(p4, statelists[1].nt ^ statelists[1].uid, 0);\r
p4++;\r
}\r
p3->even = 0; p3->odd = 0;\r
p4->even = 0; p4->odd = 0;\r
- statelists[0].len = p3 - statelists[0].slhead;\r
- statelists[1].len = p4 - statelists[1].slhead;\r
- statelists[0].sltail=--p3;\r
- statelists[1].sltail=--p4;\r
+ statelists[0].len = p3 - statelists[0].head.slhead;\r
+ statelists[1].len = p4 - statelists[1].head.slhead;\r
+ statelists[0].tail.sltail=--p3;\r
+ statelists[1].tail.sltail=--p4;\r
\r
// the statelists now contain possible keys. The key we are searching for must be in the\r
// intersection of both lists. Create the intersection:\r
- qsort(statelists[0].keyhead, statelists[0].len, sizeof(uint64_t), compar_int);\r
- qsort(statelists[1].keyhead, statelists[1].len, sizeof(uint64_t), compar_int);\r
+ qsort(statelists[0].head.keyhead, statelists[0].len, sizeof(uint64_t), compar_int);\r
+ qsort(statelists[1].head.keyhead, statelists[1].len, sizeof(uint64_t), compar_int);\r
\r
uint64_t *p5, *p6, *p7;\r
- p5 = p7 = statelists[0].keyhead; \r
- p6 = statelists[1].keyhead;\r
- while (p5 <= statelists[0].keytail && p6 <= statelists[1].keytail) {\r
+ p5 = p7 = statelists[0].head.keyhead; \r
+ p6 = statelists[1].head.keyhead;\r
+ while (p5 <= statelists[0].tail.keytail && p6 <= statelists[1].tail.keytail) {\r
if (compar_int(p5, p6) == 0) {\r
*p7++ = *p5++;\r
p6++;\r
while (compar_int(p5, p6) == 1) p6++;\r
}\r
}\r
- statelists[0].len = p7 - statelists[0].keyhead;\r
- statelists[0].keytail=--p7;\r
+ statelists[0].len = p7 - statelists[0].head.keyhead;\r
+ statelists[0].tail.keytail=--p7;\r
\r
memset(resultKey, 0, 6);\r
// The list may still contain several key candidates. Test each of them with mfCheckKeys\r
for (i = 0; i < statelists[0].len; i++) {\r
uint8_t keyBlock[6];\r
uint64_t key64;\r
- crypto1_get_lfsr(statelists[0].slhead + i, &key64);\r
+ crypto1_get_lfsr(statelists[0].head.slhead + i, &key64);\r
num_to_bytes(key64, 6, keyBlock);\r
key64 = 0;\r
if (!mfCheckKeys(statelists[0].blockNo, statelists[0].keyType, 1, keyBlock, &key64)) {\r
}\r
}\r
\r
- free(statelists[0].slhead);\r
- free(statelists[1].slhead);\r
+ free(statelists[0].head.slhead);\r
+ free(statelists[1].head.slhead);\r
\r
return 0;\r
}\r