1 files changed, 52 insertions, 0 deletions
diff --git a/src/pluto/alg/ike_alg_blowfish.c b/src/pluto/alg/ike_alg_blowfish.c
new file mode 100644
index 000000000..2bbef051b
--- /dev/null
+++ b/src/pluto/alg/ike_alg_blowfish.c
@@ -0,0 +1,52 @@
+#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 "libblowfish/blowfish.h"
+#include "alg_info.h"
+#include "ike_alg.h"
+
+#define  BLOWFISH_CBC_BLOCK_SIZE	8  	/* block size */
+#define  BLOWFISH_KEY_MIN_LEN	128
+#define  BLOWFISH_KEY_MAX_LEN	448
+
+
+static void
+do_blowfish(u_int8_t *buf, size_t buf_len, u_int8_t *key, size_t key_size, u_int8_t *iv, bool enc)
+{
+    BF_KEY bf_ctx;
+
+    BF_set_key(&bf_ctx, key_size , key);
+    BF_cbc_encrypt(buf, buf, buf_len, &bf_ctx, iv, enc);
+}
+
+struct encrypt_desc algo_blowfish =
+{
+	algo_type: IKE_ALG_ENCRYPT,
+	algo_id:   OAKLEY_BLOWFISH_CBC,
+	algo_next: NULL, 
+	enc_ctxsize: sizeof(BF_KEY),
+	enc_blocksize: BLOWFISH_CBC_BLOCK_SIZE,
+	keyminlen: BLOWFISH_KEY_MIN_LEN,
+	keydeflen: BLOWFISH_KEY_MIN_LEN,
+	keymaxlen: BLOWFISH_KEY_MAX_LEN,
+	do_crypt: do_blowfish,
+};
+
+int ike_alg_blowfish_init(void);
+
+int
+ike_alg_blowfish_init(void)
+{
+    int ret = ike_alg_register_enc(&algo_blowfish);
+
+    return ret;
+}
+/*
+IKE_ALG_INIT_NAME: ike_alg_blowfish_init
+*/