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Update cmdhfmfdes.c

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realloc update
This commit is contained in:
mwalker33 2021-06-19 13:12:10 +10:00
commit 57729b604c
1 changed files with 8 additions and 1 deletions
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9
client/src/cmdhfmfdes.c
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@ -984,7 +984,14 @@ static int handler_desfire_auth(mfdes_authinput_t *payload, mfdes_auth_res_t *rp
// Part 4 // Part 4
// tag->session_key = &default_key; // tag->session_key = &default_key;
tag->session_key = realloc (tag->session_key,sizeof(struct desfire_key)); struct desfire_key *p = realloc (tag->session_key,sizeof(struct desfire_key));
if (!p) {
PrintAndLogEx(FAILED, "Cannot allocate memory for session keys");
free(tag->session_key);
return PM3_EMALLOC;
}
tag->session_key = p;
memset (tag->session_key, 0x00, sizeof(struct desfire_key)); memset (tag->session_key, 0x00, sizeof(struct desfire_key));
Desfire_session_key_new(RndA, RndB, key, tag->session_key); Desfire_session_key_new(RndA, RndB, key, tag->session_key);