File: common.h

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/*
 * Copyright (C) 2003, 2004, 2005, 2007, 2008, 2010 Free Software
 * Foundation, Inc.
 *
 * Author: Nikos Mavrogiannopoulos
 *
 * This file is part of GnuTLS.
 *
 * The GnuTLS 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 COMMON_H
#define COMMON_H

#include <gnutls_algorithms.h>

#define MAX_STRING_LEN 512

#define GNUTLS_XML_SHOW_ALL 1

#define PEM_CRL "X509 CRL"
#define PEM_X509_CERT "X509 CERTIFICATE"
#define PEM_X509_CERT2 "CERTIFICATE"
#define PEM_PKCS7 "PKCS7"
#define PEM_PKCS12 "PKCS12"

/* public key algorithm's OIDs
 */
#define PK_PKIX1_RSA_OID "1.2.840.113549.1.1.1"
#define PK_X509_RSA_OID "2.5.8.1.1"
#define PK_DSA_OID "1.2.840.10040.4.1"
#define PK_GOST_R3410_94_OID "1.2.643.2.2.20"
#define PK_GOST_R3410_2001_OID "1.2.643.2.2.19"

/* signature OIDs
 */
#define SIG_DSA_SHA1_OID "1.2.840.10040.4.3"
/* those two from draft-ietf-pkix-sha2-dsa-ecdsa-06 */
#define SIG_DSA_SHA224_OID "2.16.840.1.101.3.4.3.1"
#define SIG_DSA_SHA256_OID "2.16.840.1.101.3.4.3.2"

#define SIG_RSA_MD5_OID "1.2.840.113549.1.1.4"
#define SIG_RSA_MD2_OID "1.2.840.113549.1.1.2"
#define SIG_RSA_SHA1_OID "1.2.840.113549.1.1.5"
#define SIG_RSA_SHA224_OID "1.2.840.113549.1.1.14"
#define SIG_RSA_SHA256_OID "1.2.840.113549.1.1.11"
#define SIG_RSA_SHA384_OID "1.2.840.113549.1.1.12"
#define SIG_RSA_SHA512_OID "1.2.840.113549.1.1.13"
#define SIG_RSA_RMD160_OID "1.3.36.3.3.1.2"
#define SIG_GOST_R3410_94_OID "1.2.643.2.2.4"
#define SIG_GOST_R3410_2001_OID "1.2.643.2.2.3"

#define ASN1_NULL "\x05\x00"
#define ASN1_NULL_SIZE 2

int _gnutls_x509_set_time (ASN1_TYPE c2, const char *where, time_t tim);

int _gnutls_x509_decode_octet_string (const char *string_type,
                                      const opaque * der, size_t der_size,
                                      opaque * output, size_t * output_size);
int _gnutls_x509_oid_data2string (const char *OID, void *value,
                                  int value_size, char *res,
                                  size_t * res_size);
int _gnutls_x509_data2hex (const opaque * data, size_t data_size,
                           opaque * out, size_t * sizeof_out);

const char *_gnutls_x509_oid2asn_string (const char *oid);

const char *_gnutls_x509_oid2ldap_string (const char *OID);

int _gnutls_x509_oid_data_choice (const char *OID);
int _gnutls_x509_oid_data_printable (const char *OID);

time_t _gnutls_x509_get_time (ASN1_TYPE c2, const char *when);

gnutls_x509_subject_alt_name_t _gnutls_x509_san_find_type (char *str_type);

int _gnutls_x509_der_encode_and_copy (ASN1_TYPE src, const char *src_name,
                                      ASN1_TYPE dest, const char *dest_name,
                                      int str);
int _gnutls_x509_der_encode (ASN1_TYPE src, const char *src_name,
                             gnutls_datum_t * res, int str);

int _gnutls_x509_export_int (ASN1_TYPE asn1_data,
                             gnutls_x509_crt_fmt_t format,
                             const char *pem_header,
                             unsigned char *output_data,
                             size_t * output_data_size);

int _gnutls_x509_export_int_named (ASN1_TYPE asn1_data, const char *name,
                                   gnutls_x509_crt_fmt_t format,
                                   const char *pem_header,
                                   unsigned char *output_data,
                                   size_t * output_data_size);

int _gnutls_x509_read_value (ASN1_TYPE c, const char *root,
                             gnutls_datum_t * ret, int str);
int _gnutls_x509_write_value (ASN1_TYPE c, const char *root,
                              const gnutls_datum_t * data, int str);

int _gnutls_x509_encode_and_write_attribute (const char *given_oid,
                                             ASN1_TYPE asn1_struct,
                                             const char *where,
                                             const void *data,
                                             int sizeof_data, int multi);
int _gnutls_x509_decode_and_read_attribute (ASN1_TYPE asn1_struct,
                                            const char *where, char *oid,
                                            int oid_size,
                                            gnutls_datum_t * value, int multi,
                                            int octet);

int _gnutls_x509_get_pk_algorithm (ASN1_TYPE src, const char *src_name,
                                   unsigned int *bits);

int _gnutls_x509_encode_and_copy_PKI_params (ASN1_TYPE dst,
                                             const char *dst_name,
                                             gnutls_pk_algorithm_t
                                             pk_algorithm, bigint_t * params,
                                             int params_size);
int _gnutls_asn1_copy_node (ASN1_TYPE * dst, const char *dst_name,
                            ASN1_TYPE src, const char *src_name);

int _gnutls_x509_get_signed_data (ASN1_TYPE src, const char *src_name,
                                  gnutls_datum_t * signed_data);
int _gnutls_x509_get_signature (ASN1_TYPE src, const char *src_name,
                                gnutls_datum_t * signature);

gnutls_digest_algorithm_t _gnutls_dsa_q_to_hash (bigint_t q, unsigned int* hash_len);

int _gnutls_get_asn_mpis (ASN1_TYPE asn, const char *root,
                          bigint_t * params, int *params_size);

int _gnutls_get_key_id (gnutls_pk_algorithm_t pk, bigint_t * params,
                        int params_size, unsigned char *output_data,
                        size_t * output_data_size);

void _asnstr_append_name (char *name, size_t name_size, const char *part1,
                          const char *part2);

int pubkey_verify_sig (int hashalg, const gnutls_datum_t * tbs,
                       const gnutls_datum_t * hash,
                       const gnutls_datum_t * signature,
                       gnutls_pk_algorithm_t pk, bigint_t * issuer_params,
                       int issuer_params_size);

#endif