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CHG: the mifare Auth command can make use of a random nonce aswell.

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CHG: since sim commands are timing critical, I'm testing a smaller prand prng function from Intel
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iceman1001 2017-01-29 10:41:48 +01:00
commit e99acd00cc
5 changed files with 81 additions and 64 deletions
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armsrc/mifareutil.c
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@ -121,7 +121,10 @@ int mifare_classic_authex(struct Crypto1State *pcs, uint32_t uid, uint8_t blockN
// "random" reader nonce:
//byte_t nr[4] = {0x55, 0x41, 0x49, 0x92};
byte_t nr[4] = {0x01, 0x01, 0x01, 0x01};
fast_prand();
byte_t nr[4];
num_to_bytes(prand(), 4, nr);
//byte_t nr[4] = {0x01, 0x01, 0x01, 0x01};
uint32_t nt, ntpp; // Supplied tag nonce