X-Git-Url: http://www.average.org/gitweb/?p=pam_pcsc_cr.git;a=blobdiff_plain;f=authobj.h;h=158c52c7d3d145e03845b2742d10e9cbce577be6;hp=b0756542671a0f68ff759e4d8b582b9c58283757;hb=f6b4fd086473f179295386fb47fd422f47015d16;hpb=67023db2952f4c3ec55a247dec401366f6b92e99 diff --git a/authobj.h b/authobj.h index b075654..158c52c 100644 --- a/authobj.h +++ b/authobj.h @@ -1,30 +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 +#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 *authobj; - int authsize; + unsigned char *data; + int datasize; unsigned char *payload; int paylsize; }; -/* Construct new authobj from the given secret and other data */ -struct _auth_obj new_authobj(const char *userid, const char *password, - const char *nonce, - const unsigned char *secret, const int secsize, - const unsigned char *payload, const int paysize); - -/* Unwrap old authobj, extract payload, construct new one with newnonce */ -struct _auth_obj verify_authobj(const char *userid, const char *password, - const char *oldnonce, const char *newnonce, - const unsigned char *authobj, const int authsize); - -/* Unwrap old authobj, replace the payload, construct new one with newnonce */ -struct _auth_obj reload_authobj(const char *userid, const char *password, - const char *oldnonce, const char *newnonce, - const unsigned char *authobj, const int authsize, - const unsigned char *payload, const int paysize); +/* 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, + const unsigned char *ablob, const int blobsize, + struct _auth_chunk (*fetch_key)(const unsigned char *chal, + const int csize)); #endif