+static void des_sesskey(unsigned char *key) {
+ des_set_key(key, &ekey1);
+ memset(eiv1, 0, sizeof(eiv1));
+ des_set_key(key, &dkey1);
+ memset(div1, 0, sizeof(div1));
+ logevent("Initialised single-DES encryption");
+}
+
+static void des_encrypt_blk(unsigned char *blk, int len) {
+ des_cbc_encrypt(&ekey1, eiv1, blk, blk, len);
+}
+
+static void des_decrypt_blk(unsigned char *blk, int len) {
+ des_cbc_decrypt(&dkey1, div1, blk, blk, len);
+}
+
+struct ssh_cipher ssh_des = {
+ des_sesskey,
+ des_encrypt_blk,
+ des_decrypt_blk
+};
+