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-rw-r--r--crypto/openssh/kex.h112
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diff --git a/crypto/openssh/kex.h b/crypto/openssh/kex.h
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-/*
- * Copyright (c) 2000 Markus Friedl. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by Markus Friedl.
- * 4. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-#ifndef KEX_H
-#define KEX_H
-
-#define KEX_DH1 "diffie-hellman-group1-sha1"
-#define KEX_DSS "ssh-dss"
-
-enum kex_init_proposals {
- PROPOSAL_KEX_ALGS,
- PROPOSAL_SERVER_HOST_KEY_ALGS,
- PROPOSAL_ENC_ALGS_CTOS,
- PROPOSAL_ENC_ALGS_STOC,
- PROPOSAL_MAC_ALGS_CTOS,
- PROPOSAL_MAC_ALGS_STOC,
- PROPOSAL_COMP_ALGS_CTOS,
- PROPOSAL_COMP_ALGS_STOC,
- PROPOSAL_LANG_CTOS,
- PROPOSAL_LANG_STOC,
- PROPOSAL_MAX
-};
-
-enum kex_modes {
- MODE_IN,
- MODE_OUT,
- MODE_MAX
-};
-
-typedef struct Kex Kex;
-typedef struct Mac Mac;
-typedef struct Comp Comp;
-typedef struct Enc Enc;
-
-struct Enc {
- int type;
- int enabled;
- int block_size;
- unsigned char *key;
- unsigned char *iv;
- int key_len;
- int iv_len;
- char *name;
-};
-struct Mac {
- EVP_MD *md;
- int enabled;
- int mac_len;
- unsigned char *key;
- int key_len;
- char *name;
-};
-struct Comp {
- int type;
- int enabled;
- char *name;
-};
-struct Kex {
- Enc enc [MODE_MAX];
- Mac mac [MODE_MAX];
- Comp comp[MODE_MAX];
- int we_need;
- int server;
- char *name;
- char *hostkeyalg;
-};
-
-Buffer *kex_init(char *myproposal[PROPOSAL_MAX]);
-int dh_pub_is_valid(DH *dh, BIGNUM *dh_pub);
-DH *dh_new_group1();
-Kex *kex_choose_conf(char *cprop[PROPOSAL_MAX], char *sprop[PROPOSAL_MAX], int server);
-int kex_derive_keys(Kex *k, unsigned char *hash, BIGNUM *shared_secret);
-void bignum_print(BIGNUM *b);
-void packet_set_kex(Kex *k);
-
-unsigned char *
-kex_hash(
- char *client_version_string,
- char *server_version_string,
- char *ckexinit, int ckexinitlen,
- char *skexinit, int skexinitlen,
- char *serverhostkeyblob, int sbloblen,
- BIGNUM *client_dh_pub,
- BIGNUM *server_dh_pub,
- BIGNUM *shared_secret);
-
-#endif