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/*
* Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2007 Free Software Foundation
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GNUTLS.
*
* The GNUTLS 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
*
*/
#ifndef ALGORITHMS_H
#define ALGORITHMS_H
#include "gnutls_auth.h"
/* Functions for version handling. */
enum MHD_GNUTLS_Protocol MHD_gtls_version_lowest (MHD_gtls_session_t session);
enum MHD_GNUTLS_Protocol MHD_gtls_version_max (MHD_gtls_session_t session);
int MHD_gtls_version_priority (MHD_gtls_session_t session,
enum MHD_GNUTLS_Protocol version);
int MHD_gtls_version_is_supported (MHD_gtls_session_t session,
const enum MHD_GNUTLS_Protocol version);
int MHD_gtls_version_get_major (enum MHD_GNUTLS_Protocol ver);
int MHD_gtls_version_get_minor (enum MHD_GNUTLS_Protocol ver);
enum MHD_GNUTLS_Protocol MHD_gtls_version_get (int major, int minor);
/* Functions for MACs. */
int MHD_gnutls_mac_is_ok (enum MHD_GNUTLS_HashAlgorithm algorithm);
enum MHD_GNUTLS_HashAlgorithm MHD_gtls_x509_oid2mac_algorithm (const char
*oid);
const char *MHD_gtls_x509_mac_to_oid (enum MHD_GNUTLS_HashAlgorithm mac);
/* Functions for cipher suites. */
int MHD_gtls_supported_ciphersuites (MHD_gtls_session_t session,
cipher_suite_st ** ciphers);
int MHD_gtls_supported_ciphersuites_sorted (MHD_gtls_session_t session,
cipher_suite_st ** ciphers);
int MHD_gtls_supported_compression_methods (MHD_gtls_session_t session,
uint8_t ** comp);
const char *MHD_gtls_cipher_suite_get_name (cipher_suite_st * algorithm);
enum MHD_GNUTLS_CipherAlgorithm MHD_gtls_cipher_suite_get_cipher_algo (const
cipher_suite_st
*
algorithm);
enum MHD_GNUTLS_KeyExchangeAlgorithm MHD_gtls_cipher_suite_get_kx_algo (const
cipher_suite_st
*
algorithm);
enum MHD_GNUTLS_HashAlgorithm MHD_gtls_cipher_suite_get_mac_algo (const
cipher_suite_st
*
algorithm);
enum MHD_GNUTLS_Protocol MHD_gtls_cipher_suite_get_version (const
cipher_suite_st *
algorithm);
cipher_suite_st MHD_gtls_cipher_suite_get_suite_name (cipher_suite_st *
algorithm);
/* Functions for ciphers. */
int MHD_gtls_cipher_get_block_size (enum MHD_GNUTLS_CipherAlgorithm
algorithm);
int MHD_gtls_cipher_is_block (enum MHD_GNUTLS_CipherAlgorithm algorithm);
int MHD_gtls_cipher_is_ok (enum MHD_GNUTLS_CipherAlgorithm algorithm);
int MHD_gtls_cipher_get_iv_size (enum MHD_GNUTLS_CipherAlgorithm algorithm);
int MHD_gtls_cipher_get_export_flag (enum MHD_GNUTLS_CipherAlgorithm
algorithm);
/* Functions for key exchange. */
int MHD_gtls_kx_needs_dh_params (enum MHD_GNUTLS_KeyExchangeAlgorithm
algorithm);
int MHD_gtls_kx_needs_rsa_params (enum MHD_GNUTLS_KeyExchangeAlgorithm
algorithm);
MHD_gtls_mod_auth_st *MHD_gtls_kx_auth_struct (enum
MHD_GNUTLS_KeyExchangeAlgorithm
algorithm);
int MHD_gtls_kx_is_ok (enum MHD_GNUTLS_KeyExchangeAlgorithm algorithm);
/* Functions for compression. */
int MHD_gtls_compression_is_ok (enum MHD_GNUTLS_CompressionMethod algorithm);
int MHD_gtls_compression_get_num (enum MHD_GNUTLS_CompressionMethod
algorithm);
enum MHD_GNUTLS_CompressionMethod MHD_gtls_compression_get_id_from_int (int
num);
int MHD_gtls_compression_get_mem_level (enum MHD_GNUTLS_CompressionMethod
algorithm);
int MHD_gtls_compression_get_comp_level (enum MHD_GNUTLS_CompressionMethod
algorithm);
int MHD_gtls_compression_get_wbits (enum MHD_GNUTLS_CompressionMethod
algorithm);
/* Type to KX mappings. */
enum MHD_GNUTLS_KeyExchangeAlgorithm MHD_gtls_map_kx_get_kx (enum
MHD_GNUTLS_CredentialsType
type,
int server);
enum MHD_GNUTLS_CredentialsType MHD_gtls_map_kx_get_cred (enum
MHD_GNUTLS_KeyExchangeAlgorithm
algorithm,
int server);
/* KX to PK mapping. */
enum MHD_GNUTLS_PublicKeyAlgorithm MHD_gtls_map_pk_get_pk (enum
MHD_GNUTLS_KeyExchangeAlgorithm
kx_algorithm);
enum MHD_GNUTLS_PublicKeyAlgorithm MHD_gtls_x509_oid2pk_algorithm (const char
*oid);
const char *MHD_gtls_x509_pk_to_oid (enum MHD_GNUTLS_PublicKeyAlgorithm pk);
enum encipher_type
{ CIPHER_ENCRYPT = 0, CIPHER_SIGN = 1, CIPHER_IGN };
enum encipher_type MHD_gtls_kx_encipher_type (enum
MHD_GNUTLS_KeyExchangeAlgorithm
algorithm);
struct MHD_gtls_compression_entry
{
const char *name;
enum MHD_GNUTLS_CompressionMethod id;
int num; /* the number reserved in TLS for the specific compression method */
/* used in zlib compressor */
int window_bits;
int mem_level;
int comp_level;
};
typedef struct MHD_gtls_compression_entry MHD_gnutls_compression_entry;
/* Functions for sign algorithms. */
MHD_gnutls_sign_algorithm_t MHD_gtls_x509_oid2sign_algorithm (const char
*oid);
MHD_gnutls_sign_algorithm_t MHD_gtls_x509_pk_to_sign (enum
MHD_GNUTLS_PublicKeyAlgorithm
pk,
enum
MHD_GNUTLS_HashAlgorithm
mac);
const char *MHD_gtls_x509_sign_to_oid (enum MHD_GNUTLS_PublicKeyAlgorithm,
enum MHD_GNUTLS_HashAlgorithm mac);
int MHD_gtls_mac_priority (MHD_gtls_session_t session,
enum MHD_GNUTLS_HashAlgorithm algorithm);
int MHD_gtls_cipher_priority (MHD_gtls_session_t session,
enum MHD_GNUTLS_CipherAlgorithm algorithm);
int MHD_gtls_kx_priority (MHD_gtls_session_t session,
enum MHD_GNUTLS_KeyExchangeAlgorithm algorithm);
int MHD_gtls_compression_priority (MHD_gtls_session_t session,
enum MHD_GNUTLS_CompressionMethod
algorithm);
enum MHD_GNUTLS_HashAlgorithm MHD_gtls_mac_get_id (const char *name);
enum MHD_GNUTLS_CipherAlgorithm MHD_gtls_cipher_get_id (const char *name);
enum MHD_GNUTLS_KeyExchangeAlgorithm MHD_gtls_kx_get_id (const char *name);
enum MHD_GNUTLS_Protocol MHD_gtls_protocol_get_id (const char *name);
enum MHD_GNUTLS_CertificateType MHD_gtls_certificate_type_get_id (const char
*name);
#endif
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