/* nettle-types.h */ /* nettle, low-level cryptographics library * * Copyright (C) 2005 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_TYPES_H #define NETTLE_TYPES_H /* Pretend these types always exists. Nettle doesn't use them. */ #define _STDINT_HAVE_INT_FAST32_T 1 #include "nettle-stdint.h" #ifdef __cplusplus extern "C" { #endif /* Randomness. Used by key generation and dsa signature creation. */ typedef void nettle_random_func(void *ctx, unsigned length, uint8_t *dst); /* Progress report function, mainly for key generation. */ typedef void nettle_progress_func(void *ctx, int c); /* Realloc function, used by struct nettle_buffer. */ typedef void *nettle_realloc_func(void *ctx, void *p, unsigned length); /* Ciphers */ typedef void nettle_set_key_func(void *ctx, unsigned length, const uint8_t *key); /* Uses a void * for cipher contexts. For block ciphers it would make sense with a const void * for the context, but we use the same typedef for stream ciphers where the internal state changes during the encryption. */ typedef void nettle_crypt_func(void *ctx, unsigned length, uint8_t *dst, const uint8_t *src); /* Hash algorithms */ typedef void nettle_hash_init_func(void *ctx); typedef void nettle_hash_update_func(void *ctx, unsigned length, const uint8_t *src); typedef void nettle_hash_digest_func(void *ctx, unsigned length, uint8_t *dst); /* ASCII armor codecs. NOTE: Experimental and subject to change. */ typedef unsigned nettle_armor_length_func(unsigned length); typedef void nettle_armor_init_func(void *ctx); typedef unsigned nettle_armor_encode_update_func(void *ctx, uint8_t *dst, unsigned src_length, const uint8_t *src); typedef unsigned nettle_armor_encode_final_func(void *ctx, uint8_t *dst); typedef int nettle_armor_decode_update_func(void *ctx, unsigned *dst_length, uint8_t *dst, unsigned src_length, const uint8_t *src); typedef int nettle_armor_decode_final_func(void *ctx); #ifdef __cplusplus } #endif #endif /* NETTLE_TYPES_H */