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Diffstat (limited to 'src/journal/fsprg.h')
-rw-r--r-- | src/journal/fsprg.h | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/src/journal/fsprg.h b/src/journal/fsprg.h deleted file mode 100644 index dfe2d79222..0000000000 --- a/src/journal/fsprg.h +++ /dev/null @@ -1,62 +0,0 @@ -/* SPDX-License-Identifier: LGPL-2.1-or-later */ -#pragma once - -/* - * fsprg v0.1 - (seekable) forward-secure pseudorandom generator - * Copyright © 2012 B. Poettering - * Contact: fsprg@point-at-infinity.org - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * This library 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 - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301 USA - */ - -#include <inttypes.h> -#include <sys/types.h> - -#include "macro.h" -#include "util.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#define FSPRG_RECOMMENDED_SECPAR 1536 -#define FSPRG_RECOMMENDED_SEEDLEN (96/8) - -size_t FSPRG_mskinbytes(unsigned secpar) _const_; -size_t FSPRG_mpkinbytes(unsigned secpar) _const_; -size_t FSPRG_stateinbytes(unsigned secpar) _const_; - -/* Setup msk and mpk. Providing seed != NULL makes this algorithm deterministic. */ -void FSPRG_GenMK(void *msk, void *mpk, const void *seed, size_t seedlen, unsigned secpar); - -/* Initialize state deterministically in dependence on seed. */ -/* Note: in case one wants to run only one GenState0 per GenMK it is safe to use - the same seed for both GenMK and GenState0. -*/ -void FSPRG_GenState0(void *state, const void *mpk, const void *seed, size_t seedlen); - -void FSPRG_Evolve(void *state); - -uint64_t FSPRG_GetEpoch(const void *state) _pure_; - -/* Seek to any arbitrary state (by providing msk together with seed from GenState0). */ -void FSPRG_Seek(void *state, uint64_t epoch, const void *msk, const void *seed, size_t seedlen); - -void FSPRG_GetKey(const void *state, void *key, size_t keylen, uint32_t idx); - -#ifdef __cplusplus -} -#endif |