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proposal: Make sure non-AEAD IKE proposals contain integrity algorithms

This commit is contained in:
Tobias Brunner 2018-03-08 18:26:19 +01:00
parent 42a6b187f7
commit ee019ab321
2 changed files with 10 additions and 0 deletions
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8
src/libstrongswan/crypto/proposal/proposal.c
View File

@ -710,6 +710,14 @@ static bool check_proposal(private_proposal_t *this)
* we MUST NOT propose any integrity algorithms */
remove_transform(this, INTEGRITY_ALGORITHM);
}
else if (this->protocol == PROTO_IKE &&
!get_algorithm(this, INTEGRITY_ALGORITHM, NULL, NULL))
{
DBG1(DBG_CFG, "an integrity algorithm is mandatory in %N proposals "
"with classic (non-AEAD) encryption algorithms",
protocol_id_names, this->protocol);
return FALSE;
}
}
else
{ /* AES-GMAC is parsed as encryption algorithm, so we map that to the

2
src/libstrongswan/tests/suites/test_proposal.c
View File

@ -29,6 +29,8 @@ static struct {
{ PROTO_IKE, "aes128", NULL },
{ PROTO_IKE, "aes128-sha256", NULL },
{ PROTO_IKE, "aes128-sha256-modpnone", NULL },
{ PROTO_IKE, "aes128-prfsha256", NULL },
{ PROTO_IKE, "aes128-prfsha256-modp2048", NULL },
{ PROTO_IKE, "aes128-sha256-modp3072", "IKE:AES_CBC_128/HMAC_SHA2_256_128/PRF_HMAC_SHA2_256/MODP_3072" },
{ PROTO_IKE, "aes128-sha256-prfsha384-modp3072", "IKE:AES_CBC_128/HMAC_SHA2_256_128/PRF_HMAC_SHA2_384/MODP_3072" },
{ PROTO_IKE, "aes128gcm16-modp3072", NULL },