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Check rng return value when generating RAND in eap-aka-3gpp2 plugin

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This commit is contained in:
Tobias Brunner
2012-07-16 14:53:36 +02:00
committed by Martin Willi
parent 162f489a27
commit 10b6ca5fb2
1 changed files with 2 additions and 2 deletions
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src/libcharon/plugins/eap_aka_3gpp2/eap_aka_3gpp2_provider.c
+2 -2
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@@ -90,12 +90,12 @@ METHOD(simaka_provider_t, get_quintuplet, bool,
/* generate RAND: we use a registered RNG, not f0() proposed in S.S0055 */ /* generate RAND: we use a registered RNG, not f0() proposed in S.S0055 */
rng = lib->crypto->create_rng(lib->crypto, RNG_WEAK); rng = lib->crypto->create_rng(lib->crypto, RNG_WEAK);
if (!rng) if (!rng || !rng->get_bytes(rng, AKA_RAND_LEN, rand))
{ {
DBG1(DBG_IKE, "generating RAND for AKA failed"); DBG1(DBG_IKE, "generating RAND for AKA failed");
DESTROY_IF(rng);
return FALSE; return FALSE;
} }
rng->get_bytes(rng, AKA_RAND_LEN, rand);
rng->destroy(rng); rng->destroy(rng);
if (!eap_aka_3gpp2_get_k(id, k)) if (!eap_aka_3gpp2_get_k(id, k))