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getfreemem

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This commit is contained in:
merlokk 2021-07-12 22:46:55 +03:00
parent 9c63d09179
commit 6442223937
2 changed files with 15 additions and 0 deletions
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14
client/src/mifare/desfirecore.c
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@ -913,6 +913,20 @@ int DesfireFormatPICC(DesfireContext *dctx) {
return PM3_SUCCESS;
}
int DesfireGetFreeMem(DesfireContext *dctx, uint32_t *freemem) {
*freemem = 0;
uint8_t respcode = 0xff;
uint8_t resp[257] = {0};
size_t resplen = 0;
int res = DesfireExchange(dctx, MFDES_GET_FREE_MEMORY, NULL, 0, &respcode, resp, &resplen);
if (res != PM3_SUCCESS)
return res;
if (respcode != MFDES_S_OPERATION_OK || resplen != 3)
return PM3_EAPDU_FAIL;
*freemem = DesfireAIDByteToUint(resp);
return PM3_SUCCESS;
}
int DesfireGetUID(DesfireContext *dctx, uint8_t *resp, size_t *resplen) {
uint8_t respcode = 0xff;
int res = DesfireExchange(dctx, MFDES_GET_UID, NULL, 0, &respcode, resp, resplen);

1
client/src/mifare/desfirecore.h
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@ -41,6 +41,7 @@ int DesfireSelectAndAuthenticate(DesfireContext *dctx, DesfireSecureChannel secu
int DesfireAuthenticate(DesfireContext *dctx, DesfireSecureChannel secureChannel);
int DesfireFormatPICC(DesfireContext *dctx);
int DesfireGetFreeMem(DesfireContext *dctx, uint32_t *freemem);
int DesfireGetUID(DesfireContext *dctx, uint8_t *resp, size_t *resplen);
int DesfireGetAIDList(DesfireContext *dctx, uint8_t *resp, size_t *resplen);
int DesfireGetDFList(DesfireContext *dctx, uint8_t *resp, size_t *resplen);