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revert SAK check

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This commit is contained in:
merlokk 2017-11-01 18:22:03 +02:00
parent bed3e4c20d
commit 7376da5c44
1 changed files with 2 additions and 3 deletions
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5
armsrc/iso14443a.c
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@ -1820,9 +1820,8 @@ int iso14443a_select_card(byte_t *uid_ptr, iso14a_card_select_t *p_hi14a_card, u
p_hi14a_card->sak = sak;
}
// non iso14443a compliant tag
// https://www.nxp.com/docs/en/application-note/AN10834.pdf page 7
if( (sak & 0x20) != 0) return 2;
// PICC compilant with iso14443a-4 ---> (SAK & 0x20 != 0)
if( (sak & 0x20) == 0) return 2;
if (!no_rats) {
// Request for answer to select