/usr/include/nettle/nettle-meta.h is in nettle-dev 2.4-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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*
* Information about algorithms.
*/
/* nettle, low-level cryptographics library
*
* Copyright (C) 2002 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., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#ifndef NETTLE_META_H_INCLUDED
#define NETTLE_META_H_INCLUDED
#include "nettle-types.h"
#ifdef __cplusplus
extern "C" {
#endif
struct nettle_cipher
{
const char *name;
unsigned context_size;
/* Zero for stream ciphers */
unsigned block_size;
/* Suggested key size; other sizes are sometimes possible. */
unsigned key_size;
nettle_set_key_func *set_encrypt_key;
nettle_set_key_func *set_decrypt_key;
nettle_crypt_func *encrypt;
nettle_crypt_func *decrypt;
};
#define _NETTLE_CIPHER(name, NAME, key_size) { \
#name #key_size, \
sizeof(struct name##_ctx), \
NAME##_BLOCK_SIZE, \
key_size / 8, \
(nettle_set_key_func *) name##_set_key, \
(nettle_set_key_func *) name##_set_key, \
(nettle_crypt_func *) name##_encrypt, \
(nettle_crypt_func *) name##_decrypt, \
}
#define _NETTLE_CIPHER_SEP(name, NAME, key_size) { \
#name #key_size, \
sizeof(struct name##_ctx), \
NAME##_BLOCK_SIZE, \
key_size / 8, \
(nettle_set_key_func *) name##_set_encrypt_key, \
(nettle_set_key_func *) name##_set_decrypt_key, \
(nettle_crypt_func *) name##_encrypt, \
(nettle_crypt_func *) name##_decrypt, \
}
#define _NETTLE_CIPHER_SEP_SET_KEY(name, NAME, key_size) {\
#name #key_size, \
sizeof(struct name##_ctx), \
NAME##_BLOCK_SIZE, \
key_size / 8, \
(nettle_set_key_func *) name##_set_encrypt_key, \
(nettle_set_key_func *) name##_set_decrypt_key, \
(nettle_crypt_func *) name##_crypt, \
(nettle_crypt_func *) name##_crypt, \
}
#define _NETTLE_CIPHER_FIX(name, NAME) { \
#name, \
sizeof(struct name##_ctx), \
NAME##_BLOCK_SIZE, \
NAME##_KEY_SIZE, \
(nettle_set_key_func *) name##_set_key, \
(nettle_set_key_func *) name##_set_key, \
(nettle_crypt_func *) name##_encrypt, \
(nettle_crypt_func *) name##_decrypt, \
}
/* null-terminated list of ciphers implemented by this version of nettle */
extern const struct nettle_cipher * const nettle_ciphers[];
extern const struct nettle_cipher nettle_aes128;
extern const struct nettle_cipher nettle_aes192;
extern const struct nettle_cipher nettle_aes256;
extern const struct nettle_cipher nettle_arcfour128;
extern const struct nettle_cipher nettle_camellia128;
extern const struct nettle_cipher nettle_camellia192;
extern const struct nettle_cipher nettle_camellia256;
extern const struct nettle_cipher nettle_cast128;
extern const struct nettle_cipher nettle_serpent128;
extern const struct nettle_cipher nettle_serpent192;
extern const struct nettle_cipher nettle_serpent256;
extern const struct nettle_cipher nettle_twofish128;
extern const struct nettle_cipher nettle_twofish192;
extern const struct nettle_cipher nettle_twofish256;
extern const struct nettle_cipher nettle_arctwo40;
extern const struct nettle_cipher nettle_arctwo64;
extern const struct nettle_cipher nettle_arctwo128;
extern const struct nettle_cipher nettle_arctwo_gutmann128;
struct nettle_hash
{
const char *name;
/* Size of the context struct */
unsigned context_size;
/* Size of digests */
unsigned digest_size;
/* Internal block size */
unsigned block_size;
nettle_hash_init_func *init;
nettle_hash_update_func *update;
nettle_hash_digest_func *digest;
};
#define _NETTLE_HASH(name, NAME) { \
#name, \
sizeof(struct name##_ctx), \
NAME##_DIGEST_SIZE, \
NAME##_DATA_SIZE, \
(nettle_hash_init_func *) name##_init, \
(nettle_hash_update_func *) name##_update, \
(nettle_hash_digest_func *) name##_digest \
}
/* null-terminated list of digests implemented by this version of nettle */
extern const struct nettle_hash * const nettle_hashes[];
extern const struct nettle_hash nettle_md2;
extern const struct nettle_hash nettle_md4;
extern const struct nettle_hash nettle_md5;
extern const struct nettle_hash nettle_ripemd160;
extern const struct nettle_hash nettle_sha1;
extern const struct nettle_hash nettle_sha224;
extern const struct nettle_hash nettle_sha256;
extern const struct nettle_hash nettle_sha384;
extern const struct nettle_hash nettle_sha512;
struct nettle_armor
{
const char *name;
unsigned encode_context_size;
unsigned decode_context_size;
unsigned encode_final_length;
nettle_armor_init_func *encode_init;
nettle_armor_length_func *encode_length;
nettle_armor_encode_update_func *encode_update;
nettle_armor_encode_final_func *encode_final;
nettle_armor_init_func *decode_init;
nettle_armor_length_func *decode_length;
nettle_armor_decode_update_func *decode_update;
nettle_armor_decode_final_func *decode_final;
};
#define _NETTLE_ARMOR(name, NAME) { \
#name, \
sizeof(struct name##_encode_ctx), \
sizeof(struct name##_decode_ctx), \
NAME##_ENCODE_FINAL_LENGTH, \
(nettle_armor_init_func *) name##_encode_init, \
(nettle_armor_length_func *) name##_encode_length, \
(nettle_armor_encode_update_func *) name##_encode_update, \
(nettle_armor_encode_final_func *) name##_encode_final, \
(nettle_armor_init_func *) name##_decode_init, \
(nettle_armor_length_func *) name##_decode_length, \
(nettle_armor_decode_update_func *) name##_decode_update, \
(nettle_armor_decode_final_func *) name##_decode_final, \
}
#define _NETTLE_ARMOR_0(name, NAME) { \
#name, \
0, \
sizeof(struct name##_decode_ctx), \
NAME##_ENCODE_FINAL_LENGTH, \
(nettle_armor_init_func *) name##_encode_init, \
(nettle_armor_length_func *) name##_encode_length, \
(nettle_armor_encode_update_func *) name##_encode_update, \
(nettle_armor_encode_final_func *) name##_encode_final, \
(nettle_armor_init_func *) name##_decode_init, \
(nettle_armor_length_func *) name##_decode_length, \
(nettle_armor_decode_update_func *) name##_decode_update, \
(nettle_armor_decode_final_func *) name##_decode_final, \
}
/* null-terminated list of armor schemes implemented by this version of nettle */
extern const struct nettle_armor * const nettle_armors[];
extern const struct nettle_armor nettle_base64;
extern const struct nettle_armor nettle_base16;
#ifdef __cplusplus
}
#endif
#endif /* NETTLE_META_H_INCLUDED */
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