1f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* 2f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * Dropbear - a SSH2 server 3f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 4f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * Copyright (c) 2002,2003 Matt Johnston 5f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * All rights reserved. 6f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 7f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * Permission is hereby granted, free of charge, to any person obtaining a copy 8f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * of this software and associated documentation files (the "Software"), to deal 9f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * in the Software without restriction, including without limitation the rights 10f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * copies of the Software, and to permit persons to whom the Software is 12f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * furnished to do so, subject to the following conditions: 13f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 14f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * The above copyright notice and this permission notice shall be included in 15f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * all copies or substantial portions of the Software. 16f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * 17f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 20f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project * SOFTWARE. */ 24f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 25f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#ifndef _ALGO_H_ 26f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 27f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#define _ALGO_H_ 28f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 29f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#include "includes.h" 30f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#include "buffer.h" 31f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 32f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectstruct Algo_Type { 33f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 34f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project unsigned char *name; /* identifying name */ 35f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project char val; /* a value for this cipher, or -1 for invalid */ 36f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project void *data; /* algorithm specific data */ 37f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project unsigned usable : 1; /* whether we can use this algorithm */ 38f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 39f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project}; 40f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 41f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projecttypedef struct Algo_Type algo_type; 42f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 43f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project/* lists mapping ssh types of algorithms to internal values */ 44f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectextern algo_type sshkex[]; 45f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectextern algo_type sshhostkey[]; 46f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectextern algo_type sshciphers[]; 47f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectextern algo_type sshhashes[]; 48f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectextern algo_type sshcompress[]; 49f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 50f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectextern const struct dropbear_cipher dropbear_nocipher; 51f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectextern const struct dropbear_hash dropbear_nohash; 52f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 53f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectstruct dropbear_cipher { 54f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project const struct ltc_cipher_descriptor *cipherdesc; 55f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project unsigned long keysize; 56f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project unsigned char blocksize; 57f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project}; 58f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 59f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectstruct dropbear_hash { 60f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project const struct ltc_hash_descriptor *hashdesc; 61f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project unsigned long keysize; 62f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project unsigned char hashsize; 63f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project}; 64f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 65f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid crypto_init(); 66f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectint have_algo(char* algo, size_t algolen, algo_type algos[]); 67f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectvoid buf_put_algolist(buffer * buf, algo_type localalgos[]); 68f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 69f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectalgo_type * svr_buf_match_algo(buffer* buf, algo_type localalgos[], 70f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project int *goodguess); 71f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Projectalgo_type * cli_buf_match_algo(buffer* buf, algo_type localalgos[], 72f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project int *goodguess); 73f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project 74f7fc46c63fdc8f39234fea409b8dbe116d73ebf8The Android Open Source Project#endif /* _ALGO_H_ */ 75