X-Git-Url: http://www.average.org/gitweb/?p=pam_pcsc_cr.git;a=blobdiff_plain;f=authobj.h;h=158c52c7d3d145e03845b2742d10e9cbce577be6;hp=cc5baedde5b827e5f12bc774f8dc6991c3dc2c22;hb=eaaae6374b2e8949fd2d13b45e3b9cbdb95f5299;hpb=1fb61b04544488148032c06475042aec167d6097 diff --git a/authobj.h b/authobj.h index cc5baed..158c52c 100644 --- a/authobj.h +++ b/authobj.h @@ -1,17 +1,52 @@ +/* +Copyright (c) 2013 Eugene Crosser + +This software is provided 'as-is', without any express or implied +warranty. In no event will the authors be held liable for any damages +arising from the use of this software. + +Permission is granted to anyone to use this software for any purpose, +including commercial applications, and to alter it and redistribute it +freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must + not claim that you wrote the original software. If you use this + software in a product, an acknowledgment in the product documentation + would be appreciated but is not required. + + 2. Altered source versions must be plainly marked as such, and must + not be misrepresented as being the original software. + + 3. This notice may not be removed or altered from any source + distribution. +*/ + #ifndef _AUTHOBJ_H #define _AUTHOBJ_H -enum aobj_err {aoe_serial, aoe_size, aoe_crypt, aoe_data}; +#define AUTHCHUNKSIZE 20 + +struct _auth_chunk { + const char *err; + unsigned char data[AUTHCHUNKSIZE]; +}; + +struct _auth_obj { + unsigned char *buffer; /* to be free()'d if not NULL */ + const char *err; /* non-NULL if failed */ + unsigned char *data; + int datasize; + unsigned char *payload; + int paylsize; +}; -int make_challenge(const char *id, const char *pass, const char *nonce, - unsigned char *challenge, int *challengesize); -int make_authobj(const char *id, const char *pass, const char *nonce, +/* Construct new or repack old authobj, return payload */ +struct _auth_obj authobj(const char *userid, const char *password, + const char *oldnonce, const char *newnonce, const unsigned char *secret, const int secsize, const unsigned char *payload, const int paysize, - unsigned char *buffer, int *bufsize); -int parse_authobj(const unsigned char *key, const int keysize, - const unsigned char *buffer, const int bufsize, - unsigned char *secret, int *secsize, - unsigned char *payload, int *paysize); + const unsigned char *ablob, const int blobsize, + struct _auth_chunk (*fetch_key)(const unsigned char *chal, + const int csize)); #endif