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authorMatthias Schiffer <mschiffer@universe-factory.net>2013-11-29 23:18:21 +0100
committerMatthias Schiffer <mschiffer@universe-factory.net>2013-11-30 00:42:35 +0100
commit1111dc8e5e9e78254c1a7a891d961713e1be9db0 (patch)
tree3490dad7d1c43d32a9c5d362d6f03bb17cb5408a /src/methods/composed_gmac
parenta09d04a02231964fa5a8f0113e9909cfb140fe4e (diff)
downloadfastd-1111dc8e5e9e78254c1a7a891d961713e1be9db0.tar
fastd-1111dc8e5e9e78254c1a7a891d961713e1be9db0.zip
Remove cipher and MAC contexts
Not a single implementation was using them...
Diffstat (limited to 'src/methods/composed_gmac')
-rw-r--r--src/methods/composed_gmac/composed_gmac.c37
1 files changed, 17 insertions, 20 deletions
diff --git a/src/methods/composed_gmac/composed_gmac.c b/src/methods/composed_gmac/composed_gmac.c
index b8ee2f6..0705b7d 100644
--- a/src/methods/composed_gmac/composed_gmac.c
+++ b/src/methods/composed_gmac/composed_gmac.c
@@ -35,24 +35,21 @@ struct fastd_method_session_state {
const fastd_cipher_info_t *cipher_info;
const fastd_cipher_t *cipher;
- const fastd_cipher_context_t *cipher_ctx;
fastd_cipher_state_t *cipher_state;
const fastd_cipher_info_t *gmac_cipher_info;
const fastd_cipher_t *gmac_cipher;
- const fastd_cipher_context_t *gmac_cipher_ctx;
fastd_cipher_state_t *gmac_cipher_state;
const fastd_mac_info_t *ghash_info;
const fastd_mac_t *ghash;
- const fastd_mac_context_t *ghash_ctx;
fastd_mac_state_t *ghash_state;
};
static bool cipher_get(fastd_context_t *ctx, const char *name,
- const fastd_cipher_info_t **cipher_info, const fastd_cipher_t **cipher, const fastd_cipher_context_t **cctx,
- const fastd_cipher_info_t **gmac_cipher_info, const fastd_cipher_t **gmac_cipher, const fastd_cipher_context_t **gmac_cctx) {
+ const fastd_cipher_info_t **cipher_info, const fastd_cipher_t **cipher,
+ const fastd_cipher_info_t **gmac_cipher_info, const fastd_cipher_t **gmac_cipher) {
if (!fastd_mac_info_get_by_name("ghash"))
return false;
@@ -80,8 +77,8 @@ static bool cipher_get(fastd_context_t *ctx, const char *name,
const fastd_cipher_info_t *gmac_info = NULL;
if (ctx) {
- *cipher = fastd_cipher_get_by_name(ctx, cipher_name, &info, cctx);
- *gmac_cipher = fastd_cipher_get_by_name(ctx, gmac_cipher_name, &gmac_info, gmac_cctx);
+ *cipher = fastd_cipher_get_by_name(ctx, cipher_name, &info);
+ *gmac_cipher = fastd_cipher_get_by_name(ctx, gmac_cipher_name, &gmac_info);
if (!(*cipher && *gmac_cipher))
return false;
}
@@ -105,7 +102,7 @@ static bool cipher_get(fastd_context_t *ctx, const char *name,
static bool method_provides(const char *name) {
const fastd_cipher_info_t *gmac_cipher_info;
- if (!cipher_get(NULL, name, NULL, NULL, NULL, &gmac_cipher_info, NULL, NULL))
+ if (!cipher_get(NULL, name, NULL, NULL, &gmac_cipher_info, NULL))
return false;
if (gmac_cipher_info->iv_length <= COMMON_NONCEBYTES)
@@ -118,7 +115,7 @@ static size_t method_key_length(fastd_context_t *ctx, const char *name) {
const fastd_cipher_info_t *cipher_info;
const fastd_cipher_info_t *gmac_cipher_info;
- if (!cipher_get(NULL, name, &cipher_info, NULL, NULL, &gmac_cipher_info, NULL, NULL))
+ if (!cipher_get(NULL, name, &cipher_info, NULL, &gmac_cipher_info, NULL))
exit_bug(ctx, "composed-gmac: can't get cipher key length");
return cipher_info->key_length + gmac_cipher_info->key_length;
@@ -130,15 +127,15 @@ static fastd_method_session_state_t* method_session_init(fastd_context_t *ctx, c
fastd_method_common_init(ctx, &session->common, initiator);
if (!cipher_get(ctx, name,
- &session->cipher_info, &session->cipher, &session->cipher_ctx,
- &session->gmac_cipher_info, &session->gmac_cipher, &session->gmac_cipher_ctx))
+ &session->cipher_info, &session->cipher,
+ &session->gmac_cipher_info, &session->gmac_cipher))
exit_bug(ctx, "composed-gmac: can't instanciate cipher");
- session->cipher_state = session->cipher->init_state(ctx, session->cipher_ctx, secret);
+ session->cipher_state = session->cipher->init(ctx, secret);
if (session->cipher_info->iv_length && session->cipher_info->iv_length <= COMMON_NONCEBYTES)
exit_bug(ctx, "composed-gmac: iv_length to small");
- session->gmac_cipher_state = session->gmac_cipher->init_state(ctx, session->gmac_cipher_ctx, secret + session->cipher_info->key_length);
+ session->gmac_cipher_state = session->gmac_cipher->init(ctx, secret + session->cipher_info->key_length);
if (session->gmac_cipher_info->iv_length <= COMMON_NONCEBYTES)
exit_bug(ctx, "composed-gmac: GMAC cipher iv_length to small");
@@ -148,18 +145,18 @@ static fastd_method_session_state_t* method_session_init(fastd_context_t *ctx, c
memset(zeroiv, 0, session->gmac_cipher_info->iv_length);
if (!session->gmac_cipher->crypt(ctx, session->gmac_cipher_state, &H, &ZERO_BLOCK, sizeof(fastd_block128_t), zeroiv)) {
- session->cipher->free_state(ctx, session->cipher_state);
- session->gmac_cipher->free_state(ctx, session->gmac_cipher_state);
+ session->cipher->free(ctx, session->cipher_state);
+ session->gmac_cipher->free(ctx, session->gmac_cipher_state);
free(session);
return NULL;
}
- session->ghash = fastd_mac_get_by_name(ctx, "ghash", &session->ghash_info, &session->ghash_ctx);
+ session->ghash = fastd_mac_get_by_name(ctx, "ghash", &session->ghash_info);
if (!session->ghash)
exit_bug(ctx, "composed-gmac: can't instanciate ghash mac");
- session->ghash_state = session->ghash->init_state(ctx, session->ghash_ctx, H.b);
+ session->ghash_state = session->ghash->init(ctx, H.b);
return session;
}
@@ -182,9 +179,9 @@ static void method_session_superseded(fastd_context_t *ctx, fastd_method_session
static void method_session_free(fastd_context_t *ctx, fastd_method_session_state_t *session) {
if (session) {
- session->cipher->free_state(ctx, session->cipher_state);
- session->gmac_cipher->free_state(ctx, session->gmac_cipher_state);
- session->ghash->free_state(ctx, session->ghash_state);
+ session->cipher->free(ctx, session->cipher_state);
+ session->gmac_cipher->free(ctx, session->gmac_cipher_state);
+ session->ghash->free(ctx, session->ghash_state);
free(session);
}