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/*
webid-oidc, implementation of the Solid specification
Copyright (C) 2020, 2021 Vivien Kraus
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <utilities.h>
#include <threads.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <webid-oidc/random.h>
#define _(s) dgettext (PACKAGE, s)
/* Register "random", a guile function to generate random data. */
void init_webidoidc_random (void);
SCM_DEFINE (webidoidc_random_g, "random", 1, 0, 0, (SCM length),
"Get @var{length} random bytes, and encode them in a base64-url string.")
{
size_t c_length = scm_to_size_t (length);
uint8_t *data = scm_gc_malloc_pointerless (c_length, "random data");
webid_oidc_random (c_length, data);
return wrap_bytevector (c_length, data);
}
SCM_DEFINE (webidoidc_random_init_g, "random-init!", 0, 0, 0, (void),
"Re-initialize the random number generator so that future threads are not predictable.")
{
webid_oidc_random_init ();
return SCM_UNDEFINED;
}
void
init_webidoidc_random (void)
{
webid_oidc_random_init ();
#ifndef SCM_MAGIC_SNARFER
#include "libwebidoidc-random.x"
#endif /* not SCM_MAGIC_SNARFER */
}
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