diff options
Diffstat (limited to 'programs/pluto/alg/ike_alg_aes.c')
-rw-r--r-- | programs/pluto/alg/ike_alg_aes.c | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/programs/pluto/alg/ike_alg_aes.c b/programs/pluto/alg/ike_alg_aes.c deleted file mode 100644 index 44de09b4c..000000000 --- a/programs/pluto/alg/ike_alg_aes.c +++ /dev/null @@ -1,68 +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 "libaes/aes_cbc.h" -#include "alg_info.h" -#include "ike_alg.h" - -#define AES_CBC_BLOCK_SIZE (128/BITS_PER_BYTE) -#define AES_KEY_MIN_LEN 128 -#define AES_KEY_DEF_LEN 128 -#define AES_KEY_MAX_LEN 256 - -static void -do_aes(u_int8_t *buf, size_t buf_len, u_int8_t *key, size_t key_size, u_int8_t *iv, bool enc) -{ - aes_context aes_ctx; - char iv_bak[AES_CBC_BLOCK_SIZE]; - char *new_iv = NULL; /* logic will avoid copy to NULL */ - - aes_set_key(&aes_ctx, key, key_size, 0); - - /* - * my AES 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_len - AES_CBC_BLOCK_SIZE - , AES_CBC_BLOCK_SIZE); - - AES_cbc_encrypt(&aes_ctx, buf, buf, buf_len, iv, enc); - - if (enc) - new_iv = (char*) buf + buf_len-AES_CBC_BLOCK_SIZE; - - memcpy(iv, new_iv, AES_CBC_BLOCK_SIZE); -} - -struct encrypt_desc algo_aes = -{ - algo_type: IKE_ALG_ENCRYPT, - algo_id: OAKLEY_AES_CBC, - algo_next: NULL, - enc_ctxsize: sizeof(aes_context), - enc_blocksize: AES_CBC_BLOCK_SIZE, - keyminlen: AES_KEY_MIN_LEN, - keydeflen: AES_KEY_DEF_LEN, - keymaxlen: AES_KEY_MAX_LEN, - do_crypt: do_aes, -}; - -int ike_alg_aes_init(void); - -int -ike_alg_aes_init(void) -{ - int ret = ike_alg_register_enc(&algo_aes); - return ret; -} -/* -IKE_ALG_INIT_NAME: ike_alg_aes_init -*/ |