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chg: hf iclass / hf mfu - free some 3des contexts

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This commit is contained in:
Iceman 2019-09-06 09:00:01 +02:00
commit f1eceab385
2 changed files with 17 additions and 13 deletions
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7
client/cmdhficlass.c
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@ -870,11 +870,11 @@ static int CmdHFiClassDecrypt(const char *Cmd) {
mbedtls_des3_set2key_dec(&ctx, key);
uint8_t dec_data[8] = {0};
if ( have_data ) {
mbedtls_des3_crypt_ecb(&ctx, enc_data, dec_data);
PrintAndLogEx(SUCCESS, "Data: %s", sprint_hex(dec_data, sizeof(dec_data)));
}
}
if ( have_file ) {
picopass_hdr *hdr = (picopass_hdr *)decrypted;
@ -913,6 +913,8 @@ static int CmdHFiClassDecrypt(const char *Cmd) {
free(decrypted);
free(fptr);
}
mbedtls_des3_free(&ctx);
return PM3_SUCCESS;
}
@ -923,6 +925,7 @@ static void iClassEncryptBlkData(uint8_t *blk_data, uint8_t *key) {
mbedtls_des3_set2key_enc(&ctx, key);
mbedtls_des3_crypt_ecb(&ctx, blk_data, encrypted);
memcpy(blk_data, encrypted, 8);
mbedtls_des3_free(&ctx);
}
static int CmdHFiClassEncryptBlk(const char *Cmd) {