/*
+ * crypto - Tcl bindings for parts of the `nettle' crypto library
+ * Copyright 2006-2012 Ian Jackson
+ *
+ * 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 2 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 library; if not, see <http://www.gnu.org/licenses/>.
*/
-#include <stdint.h>
-#include <netinet/in.h>
-#include "hbytes.h"
-#include "serpent.h"
+#include "chiark_tcl_crypto.h"
#include <nettle/md5.h>
#include <nettle/sha.h>
+#include <nettle/serpent.h>
+#include <nettle/twofish.h>
+#include <nettle/aes.h>
+#include <nettle/blowfish.h>
-static void alg_serpent_makekey(void *schedule, const void *key, int keylen) {
- serpent_makekey(schedule, key, keylen);
-}
+#define NETTLE_BLOCKCIPHERS \
+ DO(serpent, SERPENT) \
+ DO(twofish, TWOFISH) \
+/* DO(aes, AES) */ \
+ DO(blowfish, BLOWFISH) \
+ /* ALIAS(rijndael, aes, AES)*/
-static void alg_serpent_encrypt(const void *sch, const void *in, void *out) {
- serpent_encrypt(in, out, sch);
-}
-
-static void alg_serpent_decrypt(const void *sch, const void *in, void *out) {
- serpent_decrypt(in, out, sch);
-}
+#define ALIAS(alias,name,NAME)
+#define DO(name,NAME) \
+ static void alg_##name##_makekey(void *sch, const void *key, int keylen) { \
+ name##_set_key(sch, keylen, key); \
+ } \
+ static void alg_##name##_encr(const void *sch, const void *in, void *out) { \
+ name##_encrypt((void*)sch, NAME##_BLOCK_SIZE, out, in); \
+ } \
+ static void alg_##name##_decr(const void *sch, const void *in, void *out) { \
+ name##_decrypt((void*)sch, NAME##_BLOCK_SIZE, out, in); \
+ }
+ NETTLE_BLOCKCIPHERS
+#undef DO
+#undef ALIAS
+
+const BlockCipherAlgInfo cht_blockcipheralginfo_entries[]= {
+#define ALIAS(alias,name,NAME) \
+ { #alias, NAME##_BLOCK_SIZE, sizeof(struct name##_ctx), \
+ NAME##_MIN_KEY_SIZE, NAME##_MAX_KEY_SIZE, \
+ { alg_##name##_makekey, alg_##name##_encr }, \
+ { alg_##name##_makekey, alg_##name##_decr } \
+ },
+#define DO(name,NAME) ALIAS(name,name,NAME)
+ NETTLE_BLOCKCIPHERS
+#undef DO
+#undef ALIAS
+ { 0 }
+};
-const BlockCipherAlgInfo blockcipheralginfos[]= {
- { "serpent", 16, sizeof(SerpentKeySchedule), 16,32,
- serpent_byteswap_block,
- { alg_serpent_makekey, alg_serpent_encrypt },
- { alg_serpent_makekey, alg_serpent_decrypt } },
+const BlockCipherPropInfo cht_blockcipherpropinfo_entries[]= {
+ { "blocklen", offsetof(BlockCipherAlgInfo, blocksize) },
+ { "minkeylen", offsetof(BlockCipherAlgInfo, key_min) },
+ { "maxkeylen", offsetof(BlockCipherAlgInfo, key_max) },
{ 0 }
};
NETTLE_DIGESTS
#undef DO
-const HashAlgInfo hashalginfos[]= {
+const HashAlgPropInfo cht_hashalgpropinfo_entries[]= {
+ { "hashlen", offsetof(HashAlgInfo, hashsize) },
+ { "blocklen", offsetof(HashAlgInfo, blocksize) },
+ { 0 }
+};
+
+const HashAlgInfo cht_hashalginfo_entries[]= {
#define DO(name,NAME) \
{ #name, NAME##_DIGEST_SIZE, NAME##_DATA_SIZE, sizeof(struct name##_ctx), \
alg_##name##_init, alg_##name##_update, alg_##name##_final, \