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merlokk 2021-08-13 00:47:22 +03:00
commit a8f583af4d
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client/src/mifare/desfirecrypto.c
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@ -619,6 +619,8 @@ int DesfireEV2CalcCMAC(DesfireContext *ctx, uint8_t cmd, uint8_t *data, size_t d
return aes_cmac8(NULL, ctx->sessionKeyMAC, mdata, mac, mdatalen); return aes_cmac8(NULL, ctx->sessionKeyMAC, mdata, mac, mdatalen);
} }
// https://www.nxp.com/docs/en/data-sheet/MF2DLHX0.pdf
// page 42
void DesfireGenTransSessionKey(uint8_t *key, uint32_t trCntr, uint8_t *uid, bool forMAC, uint8_t *sessionkey) { void DesfireGenTransSessionKey(uint8_t *key, uint32_t trCntr, uint8_t *uid, bool forMAC, uint8_t *sessionkey) {
uint8_t xiv[CRYPTO_AES_BLOCK_SIZE] = {0}; uint8_t xiv[CRYPTO_AES_BLOCK_SIZE] = {0};