1*ae771770SStanislav Sedov /* 2*ae771770SStanislav Sedov * Copyright (c) 2007 Kungliga Tekniska Högskolan 3*ae771770SStanislav Sedov * (Royal Institute of Technology, Stockholm, Sweden). 4*ae771770SStanislav Sedov * All rights reserved. 5*ae771770SStanislav Sedov * 6*ae771770SStanislav Sedov * Redistribution and use in source and binary forms, with or without 7*ae771770SStanislav Sedov * modification, are permitted provided that the following conditions 8*ae771770SStanislav Sedov * are met: 9*ae771770SStanislav Sedov * 10*ae771770SStanislav Sedov * 1. Redistributions of source code must retain the above copyright 11*ae771770SStanislav Sedov * notice, this list of conditions and the following disclaimer. 12*ae771770SStanislav Sedov * 13*ae771770SStanislav Sedov * 2. Redistributions in binary form must reproduce the above copyright 14*ae771770SStanislav Sedov * notice, this list of conditions and the following disclaimer in the 15*ae771770SStanislav Sedov * documentation and/or other materials provided with the distribution. 16*ae771770SStanislav Sedov * 17*ae771770SStanislav Sedov * 3. Neither the name of the Institute nor the names of its contributors 18*ae771770SStanislav Sedov * may be used to endorse or promote products derived from this software 19*ae771770SStanislav Sedov * without specific prior written permission. 20*ae771770SStanislav Sedov * 21*ae771770SStanislav Sedov * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22*ae771770SStanislav Sedov * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23*ae771770SStanislav Sedov * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24*ae771770SStanislav Sedov * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25*ae771770SStanislav Sedov * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26*ae771770SStanislav Sedov * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27*ae771770SStanislav Sedov * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28*ae771770SStanislav Sedov * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29*ae771770SStanislav Sedov * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30*ae771770SStanislav Sedov * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31*ae771770SStanislav Sedov * SUCH DAMAGE. 32*ae771770SStanislav Sedov */ 33*ae771770SStanislav Sedov 34*ae771770SStanislav Sedov /* $Id$ */ 35*ae771770SStanislav Sedov 36*ae771770SStanislav Sedov #include "mech_locl.h" 37*ae771770SStanislav Sedov 38*ae771770SStanislav Sedov GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL 39*ae771770SStanislav Sedov gss_pseudo_random(OM_uint32 *minor_status, 40*ae771770SStanislav Sedov gss_ctx_id_t context, 41*ae771770SStanislav Sedov int prf_key, 42*ae771770SStanislav Sedov const gss_buffer_t prf_in, 43*ae771770SStanislav Sedov ssize_t desired_output_len, 44*ae771770SStanislav Sedov gss_buffer_t prf_out) 45*ae771770SStanislav Sedov { 46*ae771770SStanislav Sedov struct _gss_context *ctx = (struct _gss_context *) context; 47*ae771770SStanislav Sedov gssapi_mech_interface m; 48*ae771770SStanislav Sedov OM_uint32 major_status; 49*ae771770SStanislav Sedov 50*ae771770SStanislav Sedov _mg_buffer_zero(prf_out); 51*ae771770SStanislav Sedov *minor_status = 0; 52*ae771770SStanislav Sedov 53*ae771770SStanislav Sedov if (ctx == NULL) { 54*ae771770SStanislav Sedov *minor_status = 0; 55*ae771770SStanislav Sedov return GSS_S_NO_CONTEXT; 56*ae771770SStanislav Sedov } 57*ae771770SStanislav Sedov 58*ae771770SStanislav Sedov m = ctx->gc_mech; 59*ae771770SStanislav Sedov 60*ae771770SStanislav Sedov if (m->gm_pseudo_random == NULL) 61*ae771770SStanislav Sedov return GSS_S_UNAVAILABLE; 62*ae771770SStanislav Sedov 63*ae771770SStanislav Sedov major_status = (*m->gm_pseudo_random)(minor_status, ctx->gc_ctx, 64*ae771770SStanislav Sedov prf_key, prf_in, desired_output_len, 65*ae771770SStanislav Sedov prf_out); 66*ae771770SStanislav Sedov if (major_status != GSS_S_COMPLETE) 67*ae771770SStanislav Sedov _gss_mg_error(m, major_status, *minor_status); 68*ae771770SStanislav Sedov 69*ae771770SStanislav Sedov return major_status; 70*ae771770SStanislav Sedov } 71