/* * Key server protocol definition * Copyright (C) 1990, 1991 Sun Microsystems, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 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. * * Neither the name of Sun Microsystems, Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "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 * COPYRIGHT HOLDER OR CONTRIBUTORS 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. * * The keyserver is a public key storage/encryption/decryption service * The encryption method used is based on the Diffie-Hellman exponential * key exchange technology. * * The key server is local to each machine, akin to the portmapper. * Under TI-RPC, communication with the keyserver is through the * loopback transport. * * NOTE: This .x file generates the USER level headers for the keyserver. * the KERNEL level headers are created by hand as they kernel has special * requirements. */ %#if 0 %#pragma ident "@(#)key_prot.x 1.7 94/04/29 SMI" %#endif % %/* Copyright (c) 1990, 1991 Sun Microsystems, Inc. */ % %/* % * Compiled from key_prot.x using rpcgen. % * DO NOT EDIT THIS FILE! % * This is NOT source code! % */ /* * PROOT and MODULUS define the way the Diffie-Hellman key is generated. * * MODULUS should be chosen as a prime of the form: MODULUS == 2*p + 1, * where p is also prime. * * PROOT satisfies the following two conditions: * (1) (PROOT ** 2) % MODULUS != 1 * (2) (PROOT ** p) % MODULUS != 1 * */ const PROOT = 3; const HEXMODULUS = "d4a0ba0250b6fd2ec626e7efd637df76c716e22d0944b88b"; const HEXKEYBYTES = 48; /* HEXKEYBYTES == strlen(HEXMODULUS) */ const KEYSIZE = 192; /* KEYSIZE == bit length of key */ const KEYBYTES = 24; /* byte length of key */ /* * The first 16 hex digits of the encrypted secret key are used as * a checksum in the database. */ const KEYCHECKSUMSIZE = 16; /* * status of operation */ enum keystatus { KEY_SUCCESS, /* no problems */ KEY_NOSECRET, /* no secret key stored */ KEY_UNKNOWN, /* unknown netname */ KEY_SYSTEMERR /* system error (out of memory, encryption failure) */ }; typedef opaque keybuf[HEXKEYBYTES]; /* store key in hex */ typedef string netnamestr; /* * Argument to ENCRYPT or DECRYPT */ struct cryptkeyarg { netnamestr remotename; des_block deskey; }; /* * Argument to ENCRYPT_PK or DECRYPT_PK */ struct cryptkeyarg2 { netnamestr remotename; netobj remotekey; /* Contains a length up to 1024 bytes */ des_block deskey; }; /* * Result of ENCRYPT, DECRYPT, ENCRYPT_PK, and DECRYPT_PK */ union cryptkeyres switch (keystatus status) { case KEY_SUCCESS: des_block deskey; default: void; }; const MAXGIDS = 16; /* max number of gids in gid list */ /* * Unix credential */ struct unixcred { u_int uid; u_int gid; u_int gids; }; /* * Result returned from GETCRED */ union getcredres switch (keystatus status) { case KEY_SUCCESS: unixcred cred; default: void; }; /* * key_netstarg; */ struct key_netstarg { keybuf st_priv_key; keybuf st_pub_key; netnamestr st_netname; }; union key_netstres switch (keystatus status){ case KEY_SUCCESS: key_netstarg knet; default: void; }; #ifdef RPC_HDR % %#ifndef opaque %#define opaque char %#endif % #endif program KEY_PROG { version KEY_VERS { /* * This is my secret key. * Store it for me. */ keystatus KEY_SET(keybuf) = 1; /* * I want to talk to X. * Encrypt a conversation key for me. */ cryptkeyres KEY_ENCRYPT(cryptkeyarg) = 2; /* * X just sent me a message. * Decrypt the conversation key for me. */ cryptkeyres KEY_DECRYPT(cryptkeyarg) = 3; /* * Generate a secure conversation key for me */ des_block KEY_GEN(void) = 4; /* * Get me the uid, gid and group-access-list associated * with this netname (for kernel which cannot use NIS) */ getcredres KEY_GETCRED(netnamestr) = 5; } = 1; version KEY_VERS2 { /* * ####### * Procedures 1-5 are identical to version 1 * ####### */ /* * This is my secret key. * Store it for me. */ keystatus KEY_SET(keybuf) = 1; /* * I want to talk to X. * Encrypt a conversation key for me. */ cryptkeyres KEY_ENCRYPT(cryptkeyarg) = 2; /* * X just sent me a message. * Decrypt the conversation key for me. */ cryptkeyres KEY_DECRYPT(cryptkeyarg) = 3; /* * Generate a secure conversation key for me */ des_block KEY_GEN(void) = 4; /* * Get me the uid, gid and group-access-list associated * with this netname (for kernel which cannot use NIS) */ getcredres KEY_GETCRED(netnamestr) = 5; /* * I want to talk to X. and I know X's public key * Encrypt a conversation key for me. */ cryptkeyres KEY_ENCRYPT_PK(cryptkeyarg2) = 6; /* * X just sent me a message. and I know X's public key * Decrypt the conversation key for me. */ cryptkeyres KEY_DECRYPT_PK(cryptkeyarg2) = 7; /* * Store my public key, netname and private key. */ keystatus KEY_NET_PUT(key_netstarg) = 8; /* * Retrieve my public key, netname and private key. */ key_netstres KEY_NET_GET(void) = 9; /* * Return me the conversation key that is constructed * from my secret key and this publickey. */ cryptkeyres KEY_GET_CONV(keybuf) = 10; } = 2; } = 100029;