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48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
#include <assert.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "iccard/aime.h"
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#include "iccard/mifare.h"
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#include "util/dprintf.h"
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HRESULT aime_card_populate(
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struct mifare *mifare,
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const uint8_t *luid,
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size_t nbytes)
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{
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uint8_t b;
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size_t i;
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assert(mifare != NULL);
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assert(luid != NULL);
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memset(mifare, 0, sizeof(*mifare));
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if (nbytes != 10) {
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dprintf("AiMe IC: LUID must be 10 bytes\n");
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return E_INVALIDARG;
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}
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for (i = 0 ; i < 10 ; i++) {
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b = luid[i];
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if ((b & 0xF0) > 0x90 || (b & 0x0F) > 0x09) {
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dprintf("AiMe IC: LUID must be binary-coded decimal\n");
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return E_INVALIDARG;
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}
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mifare->sectors[0].blocks[2].bytes[6 + i] = b;
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}
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/* TODO An authentic Aime pass has a checksum of the LUID in the last few
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bytes of block 1. The output of this function fails authenticity check
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in its current form. */
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dprintf("AiMe IC: WARNING: Authenticity hash not yet implemented!\n");
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return S_OK;
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}
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