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/* cipher.h
* Copyright (C) 1998, 2002, 2003, 2009 Free Software Foundation, Inc.
*
* This file is part of Libgcrypt.
*
* Libgcrypt 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.
*
* Libgcrypt 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 program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifndef G10_CIPHER_H
#define G10_CIPHER_H
#include "gcrypt-int.h"
#define DBG_CIPHER _gcry_get_debug_flag( 1 )
#include "../random/random.h"
#define PUBKEY_FLAG_NO_BLINDING (1 << 0)
#define PUBKEY_FLAG_RFC6979 (1 << 1)
#define PUBKEY_FLAG_FIXEDLEN (1 << 2)
#define PUBKEY_FLAG_LEGACYRESULT (1 << 3)
#define PUBKEY_FLAG_RAW_FLAG (1 << 4)
#define PUBKEY_FLAG_TRANSIENT_KEY (1 << 5)
#define PUBKEY_FLAG_USE_X931 (1 << 6)
#define PUBKEY_FLAG_USE_FIPS186 (1 << 7)
#define PUBKEY_FLAG_USE_FIPS186_2 (1 << 8)
#define PUBKEY_FLAG_PARAM (1 << 9)
#define PUBKEY_FLAG_COMP (1 << 10)
#define PUBKEY_FLAG_NOCOMP (1 << 11)
#define PUBKEY_FLAG_EDDSA (1 << 12)
#define PUBKEY_FLAG_GOST (1 << 13)
#define PUBKEY_FLAG_NO_KEYTEST (1 << 14)
#define PUBKEY_FLAG_DJB_TWEAK (1 << 15)
enum pk_operation
{
PUBKEY_OP_ENCRYPT,
PUBKEY_OP_DECRYPT,
PUBKEY_OP_SIGN,
PUBKEY_OP_VERIFY
};
enum pk_encoding
{
PUBKEY_ENC_RAW,
PUBKEY_ENC_PKCS1,
PUBKEY_ENC_PKCS1_RAW,
PUBKEY_ENC_OAEP,
PUBKEY_ENC_PSS,
PUBKEY_ENC_UNKNOWN
};
struct pk_encoding_ctx
{
enum pk_operation op;
unsigned int nbits;
enum pk_encoding encoding;
int flags;
int hash_algo;
/* for OAEP */
unsigned char *label;
size_t labellen;
/* for PSS */
size_t saltlen;
int (* verify_cmp) (void *opaque, gcry_mpi_t tmp);
void *verify_arg;
};
#define CIPHER_INFO_NO_WEAK_KEY 1
#include "cipher-proto.h"
/* The internal encryption modes. */
enum gcry_cipher_internal_modes
{
GCRY_CIPHER_MODE_INTERNAL = 0x10000,
GCRY_CIPHER_MODE_CMAC = 0x10000 + 1 /* Cipher-based MAC. */
};
/*-- cipher.c --*/
gcry_err_code_t _gcry_cipher_open_internal (gcry_cipher_hd_t *handle,
int algo, int mode,
unsigned int flags);
/*-- cipher-cmac.c --*/
gcry_err_code_t _gcry_cipher_cmac_authenticate
/* */ (gcry_cipher_hd_t c, const unsigned char *abuf, size_t abuflen);
gcry_err_code_t _gcry_cipher_cmac_get_tag
/* */ (gcry_cipher_hd_t c,
unsigned char *outtag, size_t taglen);
gcry_err_code_t _gcry_cipher_cmac_check_tag
/* */ (gcry_cipher_hd_t c,
const unsigned char *intag, size_t taglen);
gcry_err_code_t _gcry_cipher_cmac_set_subkeys
/* */ (gcry_cipher_hd_t c);
/*-- rmd160.c --*/
void _gcry_rmd160_hash_buffer (void *outbuf,
const void *buffer, size_t length);
/*-- sha1.c --*/
void _gcry_sha1_hash_buffer (void *outbuf,
const void *buffer, size_t length);
void _gcry_sha1_hash_buffers (void *outbuf,
const gcry_buffer_t *iov, int iovcnt);
/*-- sha256.c --*/
void _gcry_sha256_hash_buffer (void *outbuf,
const void *buffer, size_t length);
void _gcry_sha256_hash_buffers (void *outbuf,
const gcry_buffer_t *iov, int iovcnt);
/*-- sha512.c --*/
void _gcry_sha512_hash_buffer (void *outbuf,
const void *buffer, size_t length);
void _gcry_sha512_hash_buffers (void *outbuf,
const gcry_buffer_t *iov, int iovcnt);
/*-- blake2.c --*/
gcry_err_code_t _gcry_blake2_init_with_key(void *ctx, unsigned int flags,
const unsigned char *key,
size_t keylen, int algo);
/*-- rijndael.c --*/
void _gcry_aes_cfb_enc (void *context, unsigned char *iv,
void *outbuf, const void *inbuf,
size_t nblocks);
void _gcry_aes_cfb_dec (void *context, unsigned char *iv,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
void _gcry_aes_cbc_enc (void *context, unsigned char *iv,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks, int cbc_mac);
void _gcry_aes_cbc_dec (void *context, unsigned char *iv,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
void _gcry_aes_ctr_enc (void *context, unsigned char *ctr,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
size_t _gcry_aes_ocb_crypt (gcry_cipher_hd_t c, void *outbuf_arg,
const void *inbuf_arg, size_t nblocks, int encrypt);
size_t _gcry_aes_ocb_auth (gcry_cipher_hd_t c, const void *abuf_arg,
size_t nblocks);
/*-- blowfish.c --*/
void _gcry_blowfish_cfb_dec (void *context, unsigned char *iv,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
void _gcry_blowfish_cbc_dec (void *context, unsigned char *iv,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
void _gcry_blowfish_ctr_enc (void *context, unsigned char *ctr,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
/*-- cast5.c --*/
void _gcry_cast5_cfb_dec (void *context, unsigned char *iv,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
void _gcry_cast5_cbc_dec (void *context, unsigned char *iv,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
void _gcry_cast5_ctr_enc (void *context, unsigned char *ctr,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
/*-- camellia-glue.c --*/
void _gcry_camellia_ctr_enc (void *context, unsigned char *ctr,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
void _gcry_camellia_cbc_dec (void *context, unsigned char *iv,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
void _gcry_camellia_cfb_dec (void *context, unsigned char *iv,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
size_t _gcry_camellia_ocb_crypt (gcry_cipher_hd_t c, void *outbuf_arg,
const void *inbuf_arg, size_t nblocks,
int encrypt);
size_t _gcry_camellia_ocb_auth (gcry_cipher_hd_t c, const void *abuf_arg,
size_t nblocks);
/*-- des.c --*/
void _gcry_3des_ctr_enc (void *context, unsigned char *ctr,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
void _gcry_3des_cbc_dec (void *context, unsigned char *iv,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
void _gcry_3des_cfb_dec (void *context, unsigned char *iv,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
/*-- serpent.c --*/
void _gcry_serpent_ctr_enc (void *context, unsigned char *ctr,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
void _gcry_serpent_cbc_dec (void *context, unsigned char *iv,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
void _gcry_serpent_cfb_dec (void *context, unsigned char *iv,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
size_t _gcry_serpent_ocb_crypt (gcry_cipher_hd_t c, void *outbuf_arg,
const void *inbuf_arg, size_t nblocks,
int encrypt);
size_t _gcry_serpent_ocb_auth (gcry_cipher_hd_t c, const void *abuf_arg,
size_t nblocks);
/*-- twofish.c --*/
void _gcry_twofish_ctr_enc (void *context, unsigned char *ctr,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
void _gcry_twofish_cbc_dec (void *context, unsigned char *iv,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
void _gcry_twofish_cfb_dec (void *context, unsigned char *iv,
void *outbuf_arg, const void *inbuf_arg,
size_t nblocks);
size_t _gcry_twofish_ocb_crypt (gcry_cipher_hd_t c, void *outbuf_arg,
const void *inbuf_arg, size_t nblocks,
int encrypt);
size_t _gcry_twofish_ocb_auth (gcry_cipher_hd_t c, const void *abuf_arg,
size_t nblocks);
/*-- dsa.c --*/
void _gcry_register_pk_dsa_progress (gcry_handler_progress_t cbc, void *cb_data);
/*-- elgamal.c --*/
void _gcry_register_pk_elg_progress (gcry_handler_progress_t cb,
void *cb_data);
/*-- ecc.c --*/
void _gcry_register_pk_ecc_progress (gcry_handler_progress_t cbc,
void *cb_data);
/*-- primegen.c --*/
void _gcry_register_primegen_progress (gcry_handler_progress_t cb,
void *cb_data);
/*-- pubkey.c --*/
/* Declarations for the cipher specifications. */
extern gcry_cipher_spec_t _gcry_cipher_spec_blowfish;
extern gcry_cipher_spec_t _gcry_cipher_spec_des;
extern gcry_cipher_spec_t _gcry_cipher_spec_tripledes;
extern gcry_cipher_spec_t _gcry_cipher_spec_arcfour;
extern gcry_cipher_spec_t _gcry_cipher_spec_cast5;
extern gcry_cipher_spec_t _gcry_cipher_spec_aes;
extern gcry_cipher_spec_t _gcry_cipher_spec_aes192;
extern gcry_cipher_spec_t _gcry_cipher_spec_aes256;
extern gcry_cipher_spec_t _gcry_cipher_spec_twofish;
extern gcry_cipher_spec_t _gcry_cipher_spec_twofish128;
extern gcry_cipher_spec_t _gcry_cipher_spec_serpent128;
extern gcry_cipher_spec_t _gcry_cipher_spec_serpent192;
extern gcry_cipher_spec_t _gcry_cipher_spec_serpent256;
extern gcry_cipher_spec_t _gcry_cipher_spec_rfc2268_40;
extern gcry_cipher_spec_t _gcry_cipher_spec_rfc2268_128;
extern gcry_cipher_spec_t _gcry_cipher_spec_seed;
extern gcry_cipher_spec_t _gcry_cipher_spec_camellia128;
extern gcry_cipher_spec_t _gcry_cipher_spec_camellia192;
extern gcry_cipher_spec_t _gcry_cipher_spec_camellia256;
extern gcry_cipher_spec_t _gcry_cipher_spec_idea;
extern gcry_cipher_spec_t _gcry_cipher_spec_salsa20;
extern gcry_cipher_spec_t _gcry_cipher_spec_salsa20r12;
extern gcry_cipher_spec_t _gcry_cipher_spec_gost28147;
extern gcry_cipher_spec_t _gcry_cipher_spec_chacha20;
/* Declarations for the digest specifications. */
extern gcry_md_spec_t _gcry_digest_spec_crc32;
extern gcry_md_spec_t _gcry_digest_spec_crc32_rfc1510;
extern gcry_md_spec_t _gcry_digest_spec_crc24_rfc2440;
extern gcry_md_spec_t _gcry_digest_spec_gost3411_94;
extern gcry_md_spec_t _gcry_digest_spec_gost3411_cp;
extern gcry_md_spec_t _gcry_digest_spec_stribog_256;
extern gcry_md_spec_t _gcry_digest_spec_stribog_512;
extern gcry_md_spec_t _gcry_digest_spec_md2;
extern gcry_md_spec_t _gcry_digest_spec_md4;
extern gcry_md_spec_t _gcry_digest_spec_md5;
extern gcry_md_spec_t _gcry_digest_spec_rmd160;
extern gcry_md_spec_t _gcry_digest_spec_sha1;
extern gcry_md_spec_t _gcry_digest_spec_sha224;
extern gcry_md_spec_t _gcry_digest_spec_sha256;
extern gcry_md_spec_t _gcry_digest_spec_sha384;
extern gcry_md_spec_t _gcry_digest_spec_sha512;
extern gcry_md_spec_t _gcry_digest_spec_sha3_224;
extern gcry_md_spec_t _gcry_digest_spec_sha3_256;
extern gcry_md_spec_t _gcry_digest_spec_sha3_512;
extern gcry_md_spec_t _gcry_digest_spec_sha3_384;
extern gcry_md_spec_t _gcry_digest_spec_shake128;
extern gcry_md_spec_t _gcry_digest_spec_shake256;
extern gcry_md_spec_t _gcry_digest_spec_tiger;
extern gcry_md_spec_t _gcry_digest_spec_tiger1;
extern gcry_md_spec_t _gcry_digest_spec_tiger2;
extern gcry_md_spec_t _gcry_digest_spec_whirlpool;
extern gcry_md_spec_t _gcry_digest_spec_blake2b_512;
extern gcry_md_spec_t _gcry_digest_spec_blake2b_384;
extern gcry_md_spec_t _gcry_digest_spec_blake2b_256;
extern gcry_md_spec_t _gcry_digest_spec_blake2b_160;
extern gcry_md_spec_t _gcry_digest_spec_blake2s_256;
extern gcry_md_spec_t _gcry_digest_spec_blake2s_224;
extern gcry_md_spec_t _gcry_digest_spec_blake2s_160;
extern gcry_md_spec_t _gcry_digest_spec_blake2s_128;
/* Declarations for the pubkey cipher specifications. */
extern gcry_pk_spec_t _gcry_pubkey_spec_rsa;
extern gcry_pk_spec_t _gcry_pubkey_spec_elg;
extern gcry_pk_spec_t _gcry_pubkey_spec_elg_e;
extern gcry_pk_spec_t _gcry_pubkey_spec_dsa;
extern gcry_pk_spec_t _gcry_pubkey_spec_ecc;
#endif /*G10_CIPHER_H*/

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