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gss: use _gss_ntlm_set_keys() in gss_init_sec_context()

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DRY: use the _gss_ntlm_set_keys() helper function to initialize the key state
for both initiator and acceptor.
This commit is contained in:
Luke Howard
2019-12-27 23:11:00 +11:00
parent c510e6d474
commit 920cfc5584
3 changed files with 10 additions and 20 deletions
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10
lib/gssapi/ntlm/crypto.c
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@@ -122,24 +122,30 @@ _gss_ntlm_set_key(struct ntlmv2_key *key, int acceptor, int sealsign,
void
_gss_ntlm_set_keys(ntlm_ctx ctx)
{
int acceptor;
if (ctx->sessionkey.length == 0)
return;
acceptor = !(ctx->status & STATUS_CLIENT);
ctx->status |= STATUS_SESSIONKEY;
if (ctx->flags & NTLM_NEG_NTLM2_SESSION) {
_gss_ntlm_set_key(&ctx->u.v2.send, 1,
_gss_ntlm_set_key(&ctx->u.v2.send, acceptor,
(ctx->flags & NTLM_NEG_KEYEX),
ctx->sessionkey.data,
ctx->sessionkey.length);
_gss_ntlm_set_key(&ctx->u.v2.recv, 0,
_gss_ntlm_set_key(&ctx->u.v2.recv, !acceptor,
(ctx->flags & NTLM_NEG_KEYEX),
ctx->sessionkey.data,
ctx->sessionkey.length);
} else {
ctx->u.v1.crypto_send.seq = 0;
RC4_set_key(&ctx->u.v1.crypto_send.key,
ctx->sessionkey.length,
ctx->sessionkey.data);
ctx->u.v1.crypto_recv.seq = 0;
RC4_set_key(&ctx->u.v1.crypto_recv.key,
ctx->sessionkey.length,
ctx->sessionkey.data);