summaryrefslogtreecommitdiff
path: root/src/pluto/alg/ike_alg_serpent.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/pluto/alg/ike_alg_serpent.c')
-rw-r--r--src/pluto/alg/ike_alg_serpent.c70
1 files changed, 0 insertions, 70 deletions
diff --git a/src/pluto/alg/ike_alg_serpent.c b/src/pluto/alg/ike_alg_serpent.c
deleted file mode 100644
index fb01caa41..000000000
--- a/src/pluto/alg/ike_alg_serpent.c
+++ /dev/null
@@ -1,70 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <stddef.h>
-#include <sys/types.h>
-#include <freeswan.h>
-
-#include "constants.h"
-#include "defs.h"
-#include "log.h"
-#include "libserpent/serpent_cbc.h"
-#include "alg_info.h"
-#include "ike_alg.h"
-
-#define SERPENT_CBC_BLOCK_SIZE (128/BITS_PER_BYTE)
-#define SERPENT_KEY_MIN_LEN 128
-#define SERPENT_KEY_DEF_LEN 128
-#define SERPENT_KEY_MAX_LEN 256
-
-static void
-do_serpent(u_int8_t *buf, size_t buf_size, u_int8_t *key, size_t key_size, u_int8_t *iv, bool enc)
-{
- serpent_context serpent_ctx;
- char iv_bak[SERPENT_CBC_BLOCK_SIZE];
- char *new_iv = NULL; /* logic will avoid copy to NULL */
-
-
- serpent_set_key(&serpent_ctx, key, key_size);
- /*
- * my SERPENT cbc does not touch passed IV (optimization for
- * ESP handling), so I must "emulate" des-like IV
- * crunching
- */
- if (!enc)
- memcpy(new_iv=iv_bak,
- (char*) buf + buf_size-SERPENT_CBC_BLOCK_SIZE,
- SERPENT_CBC_BLOCK_SIZE);
-
- serpent_cbc_encrypt(&serpent_ctx, buf, buf, buf_size, iv, enc);
-
- if (enc)
- new_iv = (char*) buf + buf_size-SERPENT_CBC_BLOCK_SIZE;
-
- memcpy(iv, new_iv, SERPENT_CBC_BLOCK_SIZE);
-}
-
-struct encrypt_desc encrypt_desc_serpent =
-{
- algo_type: IKE_ALG_ENCRYPT,
- algo_id: OAKLEY_SERPENT_CBC,
- algo_next: NULL,
- enc_ctxsize: sizeof(struct serpent_context),
- enc_blocksize: SERPENT_CBC_BLOCK_SIZE,
- keyminlen: SERPENT_KEY_MIN_LEN,
- keydeflen: SERPENT_KEY_DEF_LEN,
- keymaxlen: SERPENT_KEY_MAX_LEN,
- do_crypt: do_serpent,
-};
-
-int ike_alg_serpent_init(void);
-
-int
-ike_alg_serpent_init(void)
-{
- int ret = ike_alg_register_enc(&encrypt_desc_serpent);
-
- return ret;
-}
-/*
-IKE_ALG_INIT_NAME: ike_alg_serpent_init
-*/