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%/*

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/*

 * Key server protocol definition

 * Copyright (C) 1990, 1991 Sun Microsystems, Inc.

 *

 * 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.

 */

%/* From: #pragma ident "@(#)key_prot.x 1.7     94/04/29 SMI" */

%

%/* 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;