From 4496be6e29732189769b78f63e491dacb23c961b Mon Sep 17 00:00:00 2001 From: Matthias Schiffer Date: Sat, 2 Nov 2013 16:01:16 +0100 Subject: Convert ghash to the new crypto algorithm scheme --- src/crypto/mac/macs.c.in | 117 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 src/crypto/mac/macs.c.in (limited to 'src/crypto/mac/macs.c.in') diff --git a/src/crypto/mac/macs.c.in b/src/crypto/mac/macs.c.in new file mode 100644 index 0000000..e591935 --- /dev/null +++ b/src/crypto/mac/macs.c.in @@ -0,0 +1,117 @@ +/* + Copyright (c) 2012-2013, Matthias Schiffer + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are met: + + 1. Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright notice, + this list of conditions and the following disclaimer in the documentation + and/or other materials provided with the distribution. + + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include + + +@MAC_DEFINITIONS@ + +typedef struct mac_impl_list { + const char *name; + const fastd_mac_t *const *impls; +} mac_impl_list_t; + +@MAC_IMPLS@ + +static const mac_impl_list_t macs[] = { @MAC_LIST@ +}; + + +const fastd_mac_t** fastd_mac_config_alloc(void) { + const fastd_mac_t **mac_conf = calloc(array_size(macs), sizeof(const fastd_mac_t*)); + + size_t i; + for (i = 0; i < array_size(macs); i++) + mac_conf[i] = macs[i].impls[0]; + + return mac_conf; +} + +void fastd_mac_config_free(const fastd_mac_t **mac_conf) { + free(mac_conf); +} + +bool fastd_mac_config(const fastd_mac_t **mac_conf, const char *name, const char *impl) { + size_t i; + for (i = 0; i < array_size(macs); i++) { + if (!strcmp(macs[i].name, name)) { + size_t j; + for (j = 0; macs[i].impls[j]; j++) { + if (!strcmp(macs[i].impls[j]->name, impl)) { + mac_conf[i] = macs[i].impls[j]; + return true; + } + } + + return false; + } + } + + return false; +} + +void fastd_mac_init(fastd_context_t *ctx) { + ctx->mac_contexts = calloc(array_size(macs), sizeof(fastd_mac_context_t*)); + + size_t i; + for (i = 0; i < array_size(macs); i++) { + if (ctx->conf->macs[i]) + ctx->mac_contexts[i] = ctx->conf->macs[i]->initialize(ctx); + } +} + +void fastd_mac_free(fastd_context_t *ctx) { + size_t i; + for (i = 0; i < array_size(macs); i++) + ctx->conf->macs[i]->free(ctx, ctx->mac_contexts[i]); + + free(ctx->mac_contexts); +} + +bool fastd_mac_available(const char *name) { + size_t i; + for (i = 0; i < array_size(macs); i++) { + if (!strcmp(macs[i].name, name)) { + return true; + } + } + + return false; +} + +const fastd_mac_t* fastd_mac_get_by_name(fastd_context_t *ctx, const char *name, fastd_mac_context_t **cctx) { + size_t i; + for (i = 0; i < array_size(macs); i++) { + if (!strcmp(macs[i].name, name)) { + if (cctx) + *cctx = ctx->mac_contexts[i]; + + return ctx->conf->macs[i]; + } + } + + return NULL; +} -- cgit v1.2.3