| /* |
| * rngd_source.h -- Entropy source and conditioning |
| * |
| * Copyright (C) 2001 Philipp Rumpf |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 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 General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA |
| */ |
| |
| #ifndef RNGD_ENTSOURCE__H |
| #define RNGD_ENTSOURCE__H |
| |
| #include "rng-tools-config.h" |
| |
| #include <unistd.h> |
| #include <stdint.h> |
| |
| /* Logic and contexts */ |
| extern fips_ctx_t fipsctx; /* Context for the FIPS tests */ |
| extern fips_ctx_t tpm_fipsctx; /* Context for the tpm FIPS tests */ |
| |
| /* |
| * Initialize entropy source and entropy conditioning |
| * |
| * sourcedev is the path to the entropy source |
| */ |
| extern int init_entropy_source(struct rng *); |
| extern int init_drng_entropy_source(struct rng *); |
| extern int init_tpm_entropy_source(struct rng *); |
| |
| /* Read data from the entropy source */ |
| extern int xread(void *buf, size_t size, struct rng *ent_src); |
| extern int xread_drng(void *buf, size_t size, struct rng *ent_src); |
| extern int xread_tpm(void *buf, size_t size, struct rng *ent_src); |
| |
| #endif /* RNGD_ENTSOURCE__H */ |