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author | Felix Fietkau <nbd@openwrt.org> | 2012-10-10 12:32:29 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2012-10-10 12:32:29 +0000 |
commit | abe70b1494c60a3f9cbe5e4d8d967a82dd1e29a5 (patch) | |
tree | 46b83031a0da1b4458317413c00d13c252c72afa /package/network/services/ead/src/tinysrp/t_server.h | |
parent | 41d09b7d7880b83b0e544574296b2b3673792c7f (diff) | |
download | upstream-abe70b1494c60a3f9cbe5e4d8d967a82dd1e29a5.tar.gz upstream-abe70b1494c60a3f9cbe5e4d8d967a82dd1e29a5.tar.bz2 upstream-abe70b1494c60a3f9cbe5e4d8d967a82dd1e29a5.zip |
packages: sort network related packages into package/network/
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33688 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/network/services/ead/src/tinysrp/t_server.h')
-rw-r--r-- | package/network/services/ead/src/tinysrp/t_server.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/package/network/services/ead/src/tinysrp/t_server.h b/package/network/services/ead/src/tinysrp/t_server.h new file mode 100644 index 0000000000..20970ffe06 --- /dev/null +++ b/package/network/services/ead/src/tinysrp/t_server.h @@ -0,0 +1,138 @@ +/* + * Copyright (c) 1997-1999 The Stanford SRP Authentication Project + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining + * a copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sublicense, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, + * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY + * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. + * + * IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INCIDENTAL, + * INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER + * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER OR NOT ADVISED OF + * THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF LIABILITY, ARISING OUT + * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + * In addition, the following conditions apply: + * + * 1. Any software that incorporates the SRP authentication technology + * must display the following acknowlegment: + * "This product uses the 'Secure Remote Password' cryptographic + * authentication system developed by Tom Wu (tjw@CS.Stanford.EDU)." + * + * 2. Any software that incorporates all or part of the SRP distribution + * itself must also display the following acknowledgment: + * "This product includes software developed by Tom Wu and Eugene + * Jhong for the SRP Distribution (http://srp.stanford.edu/srp/)." + * + * 3. Redistributions in source or binary form must retain an intact copy + * of this copyright notice and list of conditions. + */ + +#ifndef T_SERVER_H +#define T_SERVER_H + +#include "t_sha.h" + +#if !defined(P) +#ifdef __STDC__ +#define P(x) x +#else +#define P(x) () +#endif +#endif + +#ifndef _DLLDECL +#define _DLLDECL + +#ifdef MSVC15 /* MSVC1.5 support for 16 bit apps */ +#define _MSVC15EXPORT _export +#define _MSVC20EXPORT +#define _DLLAPI _export _pascal +#define _TYPE(a) a _MSVC15EXPORT +#define DLLEXPORT 1 + +#elif MSVC20 +#define _MSVC15EXPORT +#define _MSVC20EXPORT _declspec(dllexport) +#define _DLLAPI +#define _TYPE(a) _MSVC20EXPORT a +#define DLLEXPORT 1 + +#else /* Default, non-dll. Use this for Unix or DOS */ +#define _MSVC15DEXPORT +#define _MSVC20EXPORT +#define _DLLAPI +#define _TYPE(a) a +#endif +#endif + +#define BLEN 32 + +struct t_server { + int index; + struct t_num n; + struct t_num g; + struct t_num v; + struct t_num s; + + struct t_num b; + struct t_num B; + + SHA1_CTX oldhash, hash, oldckhash, ckhash; + + unsigned char session_key[SESSION_KEY_LEN]; + unsigned char session_response[RESPONSE_LEN]; + + unsigned char nbuf[MAXPARAMLEN], gbuf[MAXPARAMLEN], vbuf[MAXPARAMLEN]; + unsigned char saltbuf[MAXSALTLEN], bbuf[BLEN], Bbuf[MAXPARAMLEN]; +}; + +/* + * SRP server-side negotiation + * + * This code negotiates the server side of an SRP exchange. + * "t_serveropen" accepts a username (sent by the client), a pointer + * to an open password file, and a pointer to an open configuration + * file. The server should then call... + * "t_servergenexp" will generate a random 256-bit exponent and + * raise g (from the configuration file) to that power, returning + * the result. This result should be sent to the client as y(p). + * "t_servergetkey" accepts the exponential w(p), which should be + * sent by the client, and computes the 256-bit session key. + * This data should be saved before the session is closed. + * "t_serverresponse" computes the session key proof as SHA(w(p), K). + * "t_serverclose" closes the session and frees its memory. + * + * Note that authentication is not performed per se; it is up + * to either/both sides of the protocol to now verify securely + * that their session keys agree in order to establish authenticity. + * One possible way is through "oracle hashing"; one side sends + * r, the other replies with H(r,K), where H() is a hash function. + * + * t_serverresponse and t_serververify now implement a version of + * the session-key verification described above. + */ +_TYPE( struct t_server * ) + t_serveropen P((const char *)); +_TYPE( struct t_server * ) + t_serveropenfromfiles P((const char *, struct t_pw *, struct t_conf *)); +_TYPE( struct t_server * ) + t_serveropenraw P((struct t_pwent *, struct t_confent *)); +_TYPE( struct t_num * ) t_servergenexp P((struct t_server *)); +_TYPE( unsigned char * ) t_servergetkey P((struct t_server *, struct t_num *)); +_TYPE( int ) t_serververify P((struct t_server *, unsigned char *)); +_TYPE( unsigned char * ) t_serverresponse P((struct t_server *)); +_TYPE( void ) t_serverclose P((struct t_server *)); + +#endif |