giomba
/
opensc
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Use a constant buffer instead of malloc. 

git-svn-id: https://www.opensc-project.org/svnp/opensc/trunk@3930 c6295689-39f2-0310-b995-f0e70906c6a9
This commit is contained in:
martin 2010-01-24 15:14:55 +00:00
parent 101df10ae5
commit 0c7d6587be
1 changed files with 4 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/libopensc/card-mcrd.c
View File

@ -1282,9 +1282,9 @@ static int mcrd_decipher(sc_card_t * card,
int r;
sc_apdu_t apdu;
u8 tmp_crgram[1024];
struct mcrd_priv_data *priv = DRVDATA(card);
sc_security_env_t *env = &priv->sec_env;
u8 *temp;
sc_debug(card->ctx,
"Will dechiper %d (0x%02x) bytes using key %d\n",
@ -1294,11 +1294,8 @@ static int mcrd_decipher(sc_card_t * card,
if (env->operation != SC_SEC_OPERATION_DECIPHER)
return SC_ERROR_INVALID_ARGUMENTS;
if (!(temp = (u8 *) malloc(crgram_len + 1)))
return SC_ERROR_OUT_OF_MEMORY;
temp[0] = '\0';
memcpy(temp + 1, crgram, crgram_len);
crgram = temp;
tmp_crgram[0] = '\0';
memcpy(tmp_crgram + 1, crgram, crgram_len);
crgram_len += 1;
sc_format_apdu(card, &apdu, SC_APDU_CASE_4_SHORT, 0x2A, 0x80, 0x86);
@ -1307,7 +1304,7 @@ static int mcrd_decipher(sc_card_t * card,
apdu.resplen = out_len;
apdu.le = apdu.resplen;
apdu.data = crgram;
apdu.data = tmp_crgram;
apdu.datalen = crgram_len;
apdu.lc = apdu.datalen;