--- /dev/null
+/* hfal_skein256.c */
+/*
+ This file is part of the AVR-Crypto-Lib.
+ Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+/**
+ * \file hfal_skein256.c
+ * \email daniel.otte@rub.de
+ * \author Daniel Otte
+ * \date 2009-03-13
+ * \license GPLv3 or later
+ *
+ */
+
+#include <avr/pgmspace.h>
+#include <stdlib.h>
+#include "hashfunction_descriptor.h"
+#include "skein.h"
+
+
+static const char skein256_128_str[] PROGMEM = "Skein-256-128";
+static const char skein256_160_str[] PROGMEM = "Skein-256-160";
+static const char skein256_224_str[] PROGMEM = "Skein-256-224";
+static const char skein256_256_str[] PROGMEM = "Skein-256-256";
+static const char skein256_384_str[] PROGMEM = "Skein-256-384";
+static const char skein256_512_str[] PROGMEM = "Skein-256-512";
+
+void skein256_128_init(skein256_ctx_t* ctx){
+ skein256_init(ctx, 128);
+}
+void skein256_160_init(skein256_ctx_t* ctx){
+ skein256_init(ctx, 160);
+}
+void skein256_224_init(skein256_ctx_t* ctx){
+ skein256_init(ctx, 224);
+}
+void skein256_256_init(skein256_ctx_t* ctx){
+ skein256_init(ctx, 256);
+}
+void skein256_384_init(skein256_ctx_t* ctx){
+ skein256_init(ctx, 384);
+}
+void skein256_512_init(skein256_ctx_t* ctx){
+ skein256_init(ctx, 512);
+}
+
+const hfdesc_t skein256_128_desc PROGMEM = {
+ HFDESC_TYPE_HASHFUNCTION,
+ 0,
+ skein256_128_str,
+ sizeof(skein256_ctx_t),
+ SKEIN256_BLOCKSIZE,
+ 128,
+ (hf_init_fpt)skein256_128_init,
+ (hf_nextBlock_fpt)skein256_nextBlock,
+ (hf_lastBlock_fpt)skein256_lastBlock,
+ (hf_ctx2hash_fpt)skein256_ctx2hash,
+ (hf_free_fpt)NULL,
+ (hf_mem_fpt)NULL
+};
+const hfdesc_t skein256_160_desc PROGMEM = {
+ HFDESC_TYPE_HASHFUNCTION,
+ 0,
+ skein256_160_str,
+ sizeof(skein256_ctx_t),
+ SKEIN256_BLOCKSIZE,
+ 160,
+ (hf_init_fpt)skein256_160_init,
+ (hf_nextBlock_fpt)skein256_nextBlock,
+ (hf_lastBlock_fpt)skein256_lastBlock,
+ (hf_ctx2hash_fpt)skein256_ctx2hash,
+ (hf_free_fpt)NULL,
+ (hf_mem_fpt)NULL
+};
+const hfdesc_t skein256_224_desc PROGMEM = {
+ HFDESC_TYPE_HASHFUNCTION,
+ 0,
+ skein256_224_str,
+ sizeof(skein256_ctx_t),
+ SKEIN256_BLOCKSIZE,
+ 224,
+ (hf_init_fpt)skein256_224_init,
+ (hf_nextBlock_fpt)skein256_nextBlock,
+ (hf_lastBlock_fpt)skein256_lastBlock,
+ (hf_ctx2hash_fpt)skein256_ctx2hash,
+ (hf_free_fpt)NULL,
+ (hf_mem_fpt)NULL
+};
+const hfdesc_t skein256_256_desc PROGMEM = {
+ HFDESC_TYPE_HASHFUNCTION,
+ 0,
+ skein256_256_str,
+ sizeof(skein256_ctx_t),
+ SKEIN256_BLOCKSIZE,
+ 256,
+ (hf_init_fpt)skein256_256_init,
+ (hf_nextBlock_fpt)skein256_nextBlock,
+ (hf_lastBlock_fpt)skein256_lastBlock,
+ (hf_ctx2hash_fpt)skein256_ctx2hash,
+ (hf_free_fpt)NULL,
+ (hf_mem_fpt)NULL
+};
+const hfdesc_t skein256_384_desc PROGMEM = {
+ HFDESC_TYPE_HASHFUNCTION,
+ 0,
+ skein256_384_str,
+ sizeof(skein256_ctx_t),
+ SKEIN256_BLOCKSIZE,
+ 384,
+ (hf_init_fpt)skein256_384_init,
+ (hf_nextBlock_fpt)skein256_nextBlock,
+ (hf_lastBlock_fpt)skein256_lastBlock,
+ (hf_ctx2hash_fpt)skein256_ctx2hash,
+ (hf_free_fpt)NULL,
+ (hf_mem_fpt)NULL
+};
+const hfdesc_t skein256_512_desc PROGMEM = {
+ HFDESC_TYPE_HASHFUNCTION,
+ 0,
+ skein256_512_str,
+ sizeof(skein256_ctx_t),
+ SKEIN256_BLOCKSIZE,
+ 512,
+ (hf_init_fpt)skein256_512_init,
+ (hf_nextBlock_fpt)skein256_nextBlock,
+ (hf_lastBlock_fpt)skein256_lastBlock,
+ (hf_ctx2hash_fpt)skein256_ctx2hash,
+ (hf_free_fpt)NULL,
+ (hf_mem_fpt)NULL
+};