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Use existing triplet length definitions

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This commit is contained in:
Martin Willi
2009-11-12 10:33:59 +01:00
parent aea334ec1c
commit 02f785b050
2 changed files with 16 additions and 33 deletions
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src/charon/plugins/eap_sim/eap_sim_server.c
+9 -18
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@@ -23,15 +23,6 @@
/* number of triplets for one authentication */
#define TRIPLET_COUNT 3
/** length of the AT_MAC value */
#define MAC_LEN 16
/** length of the AT_RAND value */
#define RAND_LEN 16
/** length of Kc */
#define KC_LEN 8
/** length of SRES */
#define SRES_LEN 4
typedef struct private_eap_sim_server_t private_eap_sim_server_t;
/**
@@ -144,9 +135,9 @@ static status_t process_start(private_eap_sim_server_t *this,
}
/* read triplets from provider */
rand = rands = chunk_alloca(RAND_LEN * TRIPLET_COUNT);
kc = kcs = chunk_alloca(KC_LEN * TRIPLET_COUNT);
sres = sreses = chunk_alloca(SRES_LEN * TRIPLET_COUNT);
rand = rands = chunk_alloca(SIM_RAND_LEN * TRIPLET_COUNT);
kc = kcs = chunk_alloca(SIM_KC_LEN * TRIPLET_COUNT);
sres = sreses = chunk_alloca(SIM_SRES_LEN * TRIPLET_COUNT);
rands.len = kcs.len = sreses.len = 0;
for (i = 0; i < TRIPLET_COUNT; i++)
{
@@ -155,12 +146,12 @@ static status_t process_start(private_eap_sim_server_t *this,
DBG1(DBG_IKE, "getting EAP-SIM triplet %d failed", i);
return FAILED;
}
rands.len += RAND_LEN;
sreses.len += SRES_LEN;
kcs.len += KC_LEN;
rand = chunk_skip(rand, RAND_LEN);
sres = chunk_skip(sres, SRES_LEN);
kc = chunk_skip(kc, KC_LEN);
rands.len += SIM_RAND_LEN;
sreses.len += SIM_SRES_LEN;
kcs.len += SIM_KC_LEN;
rand = chunk_skip(rand, SIM_RAND_LEN);
sres = chunk_skip(sres, SIM_SRES_LEN);
kc = chunk_skip(kc, SIM_KC_LEN);
}
free(this->sreses.ptr);
this->sreses = chunk_clone(sreses);