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Extended PRF+ by a non-counting variant as used by IKEv1

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This commit is contained in:
Martin Willi
2012-03-20 17:30:48 +01:00
parent f5c0096086
commit d4f6686c69
3 changed files with 50 additions and 65 deletions
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src/libcharon/sa/keymat_v2.c
+3 -3
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@@ -316,7 +316,7 @@ METHOD(keymat_v2_t, derive_ike_keys, bool,
this->prf->set_key(this->prf, fixed_nonce);
this->prf->allocate_bytes(this->prf, secret, &skeyseed);
this->prf->set_key(this->prf, skeyseed);
prf_plus = prf_plus_create(this->prf, prf_plus_seed);
prf_plus = prf_plus_create(this->prf, TRUE, prf_plus_seed);
}
else
{
@@ -336,7 +336,7 @@ METHOD(keymat_v2_t, derive_ike_keys, bool,
rekey_prf->set_key(rekey_prf, rekey_skd);
rekey_prf->allocate_bytes(rekey_prf, secret, &skeyseed);
rekey_prf->set_key(rekey_prf, skeyseed);
prf_plus = prf_plus_create(rekey_prf, prf_plus_seed);
prf_plus = prf_plus_create(rekey_prf, TRUE, prf_plus_seed);
}
DBG4(DBG_IKE, "SKEYSEED %B", &skeyseed);
@@ -503,7 +503,7 @@ METHOD(keymat_v2_t, derive_child_keys, bool,
}
this->prf->set_key(this->prf, this->skd);
prf_plus = prf_plus_create(this->prf, seed);
prf_plus = prf_plus_create(this->prf, TRUE, seed);
prf_plus->allocate_bytes(prf_plus, enc_size, encr_i);
prf_plus->allocate_bytes(prf_plus, int_size, integ_i);