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Fix memory management in SIM/AKA crypto functions

This commit is contained in:
Martin Willi 2012-07-10 13:37:59 +02:00
parent 44fc169579
commit 0d6183f0a9
1 changed files with 4 additions and 3 deletions
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7
src/libsimaka/simaka_crypto.c
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@ -132,8 +132,9 @@ METHOD(simaka_crypto_t, derive_keys_full, bool,
DBG3(DBG_LIB, "MK %B", mk);
/* K_encr | K_auth | MSK | EMSK = prf() | prf() | prf() | prf() */
if (this->prf->set_key(this->prf, *mk))
if (!this->prf->set_key(this->prf, *mk))
{
chunk_clear(mk);
return FALSE;
}
str = chunk_alloca(this->prf->get_block_size(this->prf) * 3);
@ -158,7 +159,7 @@ METHOD(simaka_crypto_t, derive_keys_full, bool,
return FALSE;
}
*msk = chunk_create(str.ptr + KENCR_LEN + KAUTH_LEN, MSK_LEN);
*msk = chunk_clone(chunk_create(str.ptr + KENCR_LEN + KAUTH_LEN, MSK_LEN));
call_hook(this, k_encr, k_auth);
@ -232,7 +233,7 @@ METHOD(simaka_crypto_t, derive_keys_reauth_msk, bool,
return FALSE;
}
}
*msk = chunk_create(str.ptr, MSK_LEN);
*msk = chunk_clone(chunk_create(str.ptr, MSK_LEN));
DBG3(DBG_LIB, "MSK %B", msk);
return TRUE;