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cleanup and fix shadowing var

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This commit is contained in:
iceman1001 2023-09-03 14:43:38 +02:00
parent 3e034e146a
commit 276bd29da9
1 changed files with 5 additions and 11 deletions
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16
armsrc/iso14443a.c
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@ -1276,21 +1276,15 @@ bool SimulateIso14443aInit(uint8_t tagType, uint16_t flags, uint8_t *data, tag_r
// EV1/NTAG, set PWD w AMIIBO algo if all zero.
if (tagType == 7) {
uint8_t pwd[4];
uint8_t gen_pwd[4];
uint16_t start = (*pages - 1) * 4 + MFU_DUMP_PREFIX_LENGTH;
emlGetMemBt(pwd, start, sizeof(pwd));
uint8_t pwd[4] = {0,0,0,0};
uint8_t gen_pwd[4] = {0,0,0,0};
emlGetMemBt(pwd, (*pages - 1) * 4 + MFU_DUMP_PREFIX_LENGTH, sizeof(pwd));
emlGetMemBt(rPACK, (*pages) * 4 + MFU_DUMP_PREFIX_LENGTH, sizeof(rPACK));
Uint4byteToMemBe(gen_pwd, ul_ev1_pwdgenB(data));
if (memcmp(pwd, gen_pwd, sizeof(pwd)) == 0) {
rPACK[0] = 0x80;
rPACK[1] = 0x80;
} else {
uint16_t start = (*pages) * 4 + MFU_DUMP_PREFIX_LENGTH;
emlGetMemBt(rPACK, start, sizeof(rPACK));
if (g_dbglevel >= DBG_DEBUG) {
Dbprintf("PACK loaded from memory: ");
Dbhexdump(4, rPACK, 0);
}
}
}