rizin/librz/hash/p/algo_mod255.c
2022-06-28 21:55:26 +08:00

86 lines
2 KiB
C

// SPDX-FileCopyrightText: 2021 deroad <wargio@libero.it>
// SPDX-License-Identifier: LGPL-3.0-only
#include <rz_hash.h>
#include <rz_util/rz_assert.h>
#include "../algorithms/mod255/mod255.h"
static void *plugin_mod255_context_new() {
return RZ_NEW0(RzMod255);
}
static void plugin_mod255_context_free(void *context) {
free(context);
}
static RzHashSize plugin_mod255_digest_size(void *context) {
return RZ_HASH_MOD255_DIGEST_SIZE;
}
static RzHashSize plugin_mod255_block_size(void *context) {
return RZ_HASH_MOD255_BLOCK_LENGTH;
}
static bool plugin_mod255_init(void *context) {
rz_return_val_if_fail(context, false);
rz_mod255_init((RzMod255 *)context);
return true;
}
static bool plugin_mod255_update(void *context, const ut8 *data, ut64 size) {
rz_return_val_if_fail(context && data, false);
rz_mod255_update((RzMod255 *)context, data, size);
return true;
}
static bool plugin_mod255_final(void *context, ut8 *digest) {
rz_return_val_if_fail(context && digest, false);
rz_mod255_final(digest, (RzMod255 *)context);
return true;
}
static bool plugin_mod255_small_block(const ut8 *data, ut64 size, ut8 **digest, RzHashSize *digest_size) {
rz_return_val_if_fail(data && digest, false);
ut8 *dgst = malloc(RZ_HASH_MOD255_DIGEST_SIZE);
if (!dgst) {
return false;
}
RzMod255 ctx;
rz_mod255_init(&ctx);
rz_mod255_update(&ctx, data, size);
rz_mod255_final(dgst, &ctx);
*digest = dgst;
if (digest_size) {
*digest_size = RZ_HASH_MOD255_DIGEST_SIZE;
}
return true;
}
RzHashPlugin rz_hash_plugin_mod255 = {
.name = "mod255",
.license = "LGPL3",
.author = "deroad",
.support_hmac = false,
.context_new = plugin_mod255_context_new,
.context_free = plugin_mod255_context_free,
.digest_size = plugin_mod255_digest_size,
.block_size = plugin_mod255_block_size,
.init = plugin_mod255_init,
.update = plugin_mod255_update,
.final = plugin_mod255_final,
.small_block = plugin_mod255_small_block,
};
#ifndef RZ_PLUGIN_INCORE
RZ_API RzLibStruct rizin_plugin = {
.type = RZ_LIB_TYPE_HASH,
.data = &rz_hash_plugin_mod255,
.version = RZ_VERSION
};
#endif