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Diffstat (limited to 'src/pluto/alg/ike_alg_twofish.c')
-rw-r--r--src/pluto/alg/ike_alg_twofish.c85
1 files changed, 0 insertions, 85 deletions
diff --git a/src/pluto/alg/ike_alg_twofish.c b/src/pluto/alg/ike_alg_twofish.c
deleted file mode 100644
index 1788bc394..000000000
--- a/src/pluto/alg/ike_alg_twofish.c
+++ /dev/null
@@ -1,85 +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 "libtwofish/twofish_cbc.h"
-#include "alg_info.h"
-#include "ike_alg.h"
-
-#define TWOFISH_CBC_BLOCK_SIZE (128/BITS_PER_BYTE)
-#define TWOFISH_KEY_MIN_LEN 128
-#define TWOFISH_KEY_DEF_LEN 128
-#define TWOFISH_KEY_MAX_LEN 256
-
-static void
-do_twofish(u_int8_t *buf, size_t buf_size, u_int8_t *key, size_t key_size, u_int8_t *iv, bool enc)
-{
- twofish_context twofish_ctx;
- char iv_bak[TWOFISH_CBC_BLOCK_SIZE];
- char *new_iv = NULL; /* logic will avoid copy to NULL */
-
- twofish_set_key(&twofish_ctx, key, key_size);
- /*
- * my TWOFISH 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-TWOFISH_CBC_BLOCK_SIZE,
- TWOFISH_CBC_BLOCK_SIZE);
-
- twofish_cbc_encrypt(&twofish_ctx, buf, buf, buf_size, iv, enc);
-
- if (enc)
- new_iv = (char*) buf + buf_size-TWOFISH_CBC_BLOCK_SIZE;
-
- memcpy(iv, new_iv, TWOFISH_CBC_BLOCK_SIZE);
-}
-
-struct encrypt_desc encrypt_desc_twofish =
-{
- algo_type: IKE_ALG_ENCRYPT,
- algo_id: OAKLEY_TWOFISH_CBC,
- algo_next: NULL,
- enc_ctxsize: sizeof(twofish_context),
- enc_blocksize: TWOFISH_CBC_BLOCK_SIZE,
- keydeflen: TWOFISH_KEY_MIN_LEN,
- keyminlen: TWOFISH_KEY_DEF_LEN,
- keymaxlen: TWOFISH_KEY_MAX_LEN,
- do_crypt: do_twofish,
-};
-
-struct encrypt_desc encrypt_desc_twofish_ssh =
-{
- algo_type: IKE_ALG_ENCRYPT,
- algo_id: OAKLEY_TWOFISH_CBC_SSH,
- algo_next: NULL,
- enc_ctxsize: sizeof(twofish_context),
- enc_blocksize: TWOFISH_CBC_BLOCK_SIZE,
- keydeflen: TWOFISH_KEY_MIN_LEN,
- keyminlen: TWOFISH_KEY_DEF_LEN,
- keymaxlen: TWOFISH_KEY_MAX_LEN,
- do_crypt: do_twofish,
-};
-
-int ike_alg_twofish_init(void);
-
-int
-ike_alg_twofish_init(void)
-{
- int ret = ike_alg_register_enc(&encrypt_desc_twofish);
-
- if (ike_alg_register_enc(&encrypt_desc_twofish_ssh) < 0)
- plog("ike_alg_twofish_init(): Experimental OAKLEY_TWOFISH_CBC_SSH activation failed");
-
- return ret;
-}
-/*
-IKE_ALG_INIT_NAME: ike_alg_twofish_init
-*/