X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/22635d611e68909581f1b5f810acdce98ce3885c..bc7846f4376472abdc9ced23436dfe3b6dd20e7f:/client/nonce2key/nonce2key.c diff --git a/client/nonce2key/nonce2key.c b/client/nonce2key/nonce2key.c index 048d2adf..aeaecbe6 100644 --- a/client/nonce2key/nonce2key.c +++ b/client/nonce2key/nonce2key.c @@ -170,7 +170,18 @@ bool tryMfk32(nonces_t data, uint64_t *outputkey) { bool isSuccess = FALSE; uint8_t counter = 0; + printf("Recovering key for:\n"); + printf(" uid: %08x\n",uid); + printf(" nt: %08x\n",nt); + printf(" {nr_0}: %08x\n",nr0_enc); + printf(" {ar_0}: %08x\n",ar0_enc); + printf(" {nr_1}: %08x\n",nr1_enc); + printf(" {ar_1}: %08x\n",ar1_enc); + + printf("\nLFSR succesors of the tag challenge:\n"); uint32_t p64 = prng_successor(nt, 64); + printf(" nt': %08x\n", p64); + printf(" nt'': %08x\n", prng_successor(p64, 32)); s = lfsr_recovery32(ar0_enc ^ p64, 0); @@ -197,7 +208,7 @@ bool tryMfk32(nonces_t data, uint64_t *outputkey) { return isSuccess; } -bool tryMfk32_moebius(nonces_t data, uint64_t *outputkey) { +bool tryMfk32_moebius(nonces_t data, uint64_t *outputkey, bool showMaths) { struct Crypto1State *s, *t; uint64_t outkey = 0; uint64_t key = 0; // recovered key @@ -212,12 +223,29 @@ bool tryMfk32_moebius(nonces_t data, uint64_t *outputkey) { bool isSuccess = FALSE; int counter = 0; + if (showMaths) { + printf("Recovering key for:\n"); + printf(" uid: %08x\n", uid); + printf(" nt_0: %08x\n", nt0); + printf(" {nr_0}: %08x\n", nr0_enc); + printf(" {ar_0}: %08x\n", ar0_enc); + printf(" nt_1: %08x\n", nt1); + printf(" {nr_1}: %08x\n", nr1_enc); + printf(" {ar_1}: %08x\n", ar1_enc); + } + //PrintAndLog("Enter mfkey32_moebius"); clock_t t1 = clock(); uint32_t p640 = prng_successor(nt0, 64); uint32_t p641 = prng_successor(nt1, 64); + if (showMaths) { + printf("\nLFSR succesors of the tag challenge:\n"); + printf(" nt': %08x\n", p640); + printf(" nt'': %08x\n", prng_successor(p640, 32)); + } + s = lfsr_recovery32(ar0_enc ^ p640, 0); for(t = s; t->odd | t->even; ++t) {