X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=salsa20.h;h=be2662cf1c069bd553c6f9ee02142052af95978e;hb=d0dce7ec96e5b694deab4c21e93f644560f79375;hp=430198845c804b7883aad844ee78d2f5e95b0dc9;hpb=46e34576152b0c503bc108bb4d6b463f247f3e2c;p=platform%2Fupstream%2Fnettle.git diff --git a/salsa20.h b/salsa20.h index 4301988..be2662c 100644 --- a/salsa20.h +++ b/salsa20.h @@ -1,36 +1,28 @@ /* salsa20.h - - The Salsa20 stream cipher. - - Copyright (C) 2012 Simon Josefsson - Copyright (C) 2001 Niels Möller - - This file is part of GNU Nettle. - - GNU Nettle is free software: you can redistribute it and/or - modify it under the terms of either: - - * the GNU Lesser General Public License as published by the Free - Software Foundation; either version 3 of the License, or (at your - option) any later version. - - or - - * 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. - - or both in parallel, as here. - - GNU Nettle 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 copies of the GNU General Public License and - the GNU Lesser General Public License along with this program. If - not, see http://www.gnu.org/licenses/. -*/ + * + * The Salsa20 stream cipher. + */ + +/* nettle, low-level cryptographics library + * + * Copyright (C) 2012 Simon Josefsson + * Copyright (C) 2001 Niels Möller + * + * The nettle 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. + * + * The nettle 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 the nettle library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02111-1301, USA. + */ #ifndef NETTLE_SALSA20_H_INCLUDED #define NETTLE_SALSA20_H_INCLUDED @@ -43,28 +35,20 @@ extern "C" { /* Name mangling */ #define salsa20_set_key nettle_salsa20_set_key -#define salsa20_128_set_key nettle_salsa20_128_set_key -#define salsa20_256_set_key nettle_salsa20_256_set_key -#define salsa20_set_nonce nettle_salsa20_set_nonce +#define salsa20_set_iv nettle_salsa20_set_iv #define salsa20_crypt nettle_salsa20_crypt #define _salsa20_core _nettle_salsa20_core #define salsa20r12_crypt nettle_salsa20r12_crypt -/* Alias for backwards compatibility */ -#define salsa20_set_iv nettle_salsa20_set_nonce - -/* In octets.*/ -#define SALSA20_128_KEY_SIZE 16 -#define SALSA20_256_KEY_SIZE 32 -#define SALSA20_BLOCK_SIZE 64 -#define SALSA20_NONCE_SIZE 8 -#define SALSA20_IV_SIZE SALSA20_NONCE_SIZE - -/* Aliases */ +/* Minimum and maximum keysizes, and a reasonable default. In + * octets.*/ #define SALSA20_MIN_KEY_SIZE 16 #define SALSA20_MAX_KEY_SIZE 32 #define SALSA20_KEY_SIZE 32 +#define SALSA20_BLOCK_SIZE 64 + +#define SALSA20_IV_SIZE 8 #define _SALSA20_INPUT_LENGTH 16 @@ -83,25 +67,20 @@ struct salsa20_ctx }; void -salsa20_128_set_key(struct salsa20_ctx *ctx, const uint8_t *key); -void -salsa20_256_set_key(struct salsa20_ctx *ctx, const uint8_t *key); - -void salsa20_set_key(struct salsa20_ctx *ctx, - size_t length, const uint8_t *key); + unsigned length, const uint8_t *key); void -salsa20_set_nonce(struct salsa20_ctx *ctx, const uint8_t *nonce); - +salsa20_set_iv(struct salsa20_ctx *ctx, const uint8_t *iv); + void salsa20_crypt(struct salsa20_ctx *ctx, - size_t length, uint8_t *dst, + unsigned length, uint8_t *dst, const uint8_t *src); void salsa20r12_crypt(struct salsa20_ctx *ctx, - size_t length, uint8_t *dst, + unsigned length, uint8_t *dst, const uint8_t *src); void