lib/x509/x509_int.h

   1 /*
   2  * Copyright (C) 2003-2012 Free Software Foundation, Inc.
   3  *
   4  * Author: Nikos Mavrogiannopoulos
   5  *
   6  * This file is part of GnuTLS.
   7  *
   8  * The GnuTLS is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public License
  10  * as published by the Free Software Foundation; either version 3 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public License
  19  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  20  *
  21  */
  22
  23 #ifndef X509_H
  24 #define X509_H
  25
  26 #include <gnutls/x509.h>
  27 #include <gnutls/abstract.h>
  28
  29 #include <libtasn1.h>
  30
  31 #define MAX_CRQ_EXTENSIONS_SIZE 8*1024
  32 #define MAX_OID_SIZE 128
  33
  34 #define HASH_OID_SHA1 "1.3.14.3.2.26"
  35 #define HASH_OID_MD5 "1.2.840.113549.2.5"
  36 #define HASH_OID_MD2 "1.2.840.113549.2.2"
  37 #define HASH_OID_RMD160 "1.3.36.3.2.1"
  38 #define HASH_OID_SHA224 "2.16.840.1.101.3.4.2.4"
  39 #define HASH_OID_SHA256 "2.16.840.1.101.3.4.2.1"
  40 #define HASH_OID_SHA384 "2.16.840.1.101.3.4.2.2"
  41 #define HASH_OID_SHA512 "2.16.840.1.101.3.4.2.3"
  42
  43 typedef struct gnutls_x509_crl_int
  44 {
  45   ASN1_TYPE crl;
  46   int use_extensions;
  47 } gnutls_x509_crl_int;
  48
  49 typedef struct gnutls_x509_crt_int
  50 {
  51   ASN1_TYPE cert;
  52   int use_extensions;
  53   int expanded; /* a certificate has been expanded */
  54
  55   struct pin_info_st pin;
  56 } gnutls_x509_crt_int;
  57
  58 typedef struct gnutls_x509_crq_int
  59 {
  60   ASN1_TYPE crq;
  61 } gnutls_x509_crq_int;
  62
  63 typedef struct gnutls_pkcs7_int
  64 {
  65   ASN1_TYPE pkcs7;
  66 } gnutls_pkcs7_int;
  67
  68 typedef struct gnutls_x509_privkey_int
  69 {
  70   /* the size of params depends on the public
  71    * key algorithm
  72    */
  73   gnutls_pk_params_st params;
  74
  75   gnutls_pk_algorithm_t pk_algorithm;
  76
  77   ASN1_TYPE key;
  78 } gnutls_x509_privkey_int;
  79
  80 int _gnutls_x509_crt_cpy (gnutls_x509_crt_t dest, gnutls_x509_crt_t src);
  81
  82
  83 int _gnutls_x509_compare_raw_dn (const gnutls_datum_t * dn1,
  84                                  const gnutls_datum_t * dn2);
  85
  86
  87 int _gnutls_x509_crl_cpy (gnutls_x509_crl_t dest, gnutls_x509_crl_t src);
  88 int _gnutls_x509_crl_get_raw_issuer_dn (gnutls_x509_crl_t crl,
  89                                         gnutls_datum_t * dn);
  90
  91 /* sign.c */
  92 int _gnutls_x509_get_tbs (ASN1_TYPE cert, const char *tbs_name,
  93                           gnutls_datum_t * tbs);
  94 int _gnutls_x509_pkix_sign (ASN1_TYPE src, const char *src_name,
  95                             gnutls_digest_algorithm_t,
  96                             gnutls_x509_crt_t issuer,
  97                             gnutls_privkey_t issuer_key);
  98
  99 /* dn.c */
 100 #define OID_X520_COUNTRY_NAME           "2.5.4.6"
 101 #define OID_X520_ORGANIZATION_NAME      "2.5.4.10"
 102 #define OID_X520_ORGANIZATIONAL_UNIT_NAME "2.5.4.11"
 103 #define OID_X520_COMMON_NAME            "2.5.4.3"
 104 #define OID_X520_LOCALITY_NAME          "2.5.4.7"
 105 #define OID_X520_STATE_OR_PROVINCE_NAME "2.5.4.8"
 106 #define OID_LDAP_DC                     "0.9.2342.19200300.100.1.25"
 107 #define OID_LDAP_UID                    "0.9.2342.19200300.100.1.1"
 108 #define OID_PKCS9_EMAIL                 "1.2.840.113549.1.9.1"
 109
 110 int _gnutls_x509_parse_dn (ASN1_TYPE asn1_struct,
 111                            const char *asn1_rdn_name, char *buf,
 112                            size_t * sizeof_buf);
 113
 114 int _gnutls_x509_parse_dn_oid (ASN1_TYPE asn1_struct,
 115                                const char *asn1_rdn_name, const char *oid,
 116                                int indx, unsigned int raw_flag, void *buf,
 117                                size_t * sizeof_buf);
 118
 119 int _gnutls_x509_set_dn_oid (ASN1_TYPE asn1_struct,
 120                              const char *asn1_rdn_name, const char *oid,
 121                              int raw_flag, const char *name, int sizeof_name);
 122
 123 int _gnutls_x509_get_dn_oid (ASN1_TYPE asn1_struct,
 124                              const char *asn1_rdn_name,
 125                              int indx, void *_oid, size_t * sizeof_oid);
 126
 127 int _gnutls_parse_general_name (ASN1_TYPE src, const char *src_name,
 128                                 int seq, void *name, size_t * name_size,
 129                                 unsigned int *ret_type, int othername_oid);
 130
 131 /* dsa.c */
 132
 133
 134 /* verify.c */
 135 int gnutls_x509_crt_is_issuer (gnutls_x509_crt_t cert,
 136                                gnutls_x509_crt_t issuer);
 137
 138 int
 139 _gnutls_x509_verify_algorithm (gnutls_digest_algorithm_t * hash,
 140                                const gnutls_datum_t * signature,
 141                                gnutls_pk_algorithm_t pk,
 142                                gnutls_pk_params_st * issuer_params);
 143
 144 int _gnutls_x509_verify_data (gnutls_digest_algorithm_t algo,
 145                               const gnutls_datum_t * data,
 146                               const gnutls_datum_t * signature,
 147                               gnutls_x509_crt_t issuer);
 148
 149 /* privkey.h */
 150 ASN1_TYPE _gnutls_privkey_decode_pkcs1_rsa_key (const gnutls_datum_t *
 151                                                 raw_key,
 152                                                 gnutls_x509_privkey_t pkey);
 153 ASN1_TYPE _gnutls_privkey_decode_ecc_key (const gnutls_datum_t *
 154                                                 raw_key,
 155                                                 gnutls_x509_privkey_t pkey);
 156
 157 int
 158 _gnutls_x509_read_ecc_params (uint8_t * der, int dersize, gnutls_pk_params_st * params);
 159
 160 int _gnutls_asn1_encode_privkey (gnutls_pk_algorithm_t pk, ASN1_TYPE * c2, gnutls_pk_params_st * params);
 161
 162 /* extensions.c */
 163 int _gnutls_x509_crl_get_extension (gnutls_x509_crl_t crl,
 164                                     const char *extension_id, int indx,
 165                                     gnutls_datum_t * ret,
 166                                     unsigned int *_critical);
 167
 168 int _gnutls_x509_crl_get_extension_oid (gnutls_x509_crl_t crl,
 169                                         int indx, void *oid,
 170                                         size_t * sizeof_oid);
 171
 172 int _gnutls_x509_crl_set_extension (gnutls_x509_crl_t crl,
 173                                     const char *ext_id,
 174                                     const gnutls_datum_t * ext_data,
 175                                     unsigned int critical);
 176
 177 int _gnutls_x509_crt_get_extension (gnutls_x509_crt_t cert,
 178                                     const char *extension_id, int indx,
 179                                     gnutls_datum_t * ret,
 180                                     unsigned int *critical);
 181 int _gnutls_x509_crt_get_extension_oid (gnutls_x509_crt_t cert,
 182                                         int indx, void *ret,
 183                                         size_t * ret_size);
 184 int _gnutls_x509_ext_extract_keyUsage (uint16_t * keyUsage,
 185                                        uint8_t * extnValue, int extnValueLen);
 186 int _gnutls_x509_ext_extract_basicConstraints (unsigned int *CA,
 187                                                int *pathLenConstraint,
 188                                                uint8_t * extnValue,
 189                                                int extnValueLen);
 190 int _gnutls_x509_crt_set_extension (gnutls_x509_crt_t cert,
 191                                     const char *extension_id,
 192                                     const gnutls_datum_t * ext_data,
 193                                     unsigned int critical);
 194
 195 int
 196 _gnutls_x509_ext_extract_number (uint8_t * number,
 197                                  size_t * nr_size,
 198                                  uint8_t * extnValue, int extnValueLen);
 199 int
 200 _gnutls_x509_ext_gen_number (const uint8_t * nuber, size_t nr_size,
 201                              gnutls_datum_t * der_ext);
 202
 203
 204 int _gnutls_x509_ext_gen_basicConstraints (int CA, int pathLenConstraint,
 205                                            gnutls_datum_t * der_ext);
 206 int _gnutls_x509_ext_gen_keyUsage (uint16_t usage, gnutls_datum_t * der_ext);
 207 int _gnutls_x509_ext_gen_subject_alt_name (gnutls_x509_subject_alt_name_t
 208                                            type, const void *data,
 209                                            unsigned int data_size,
 210                                            gnutls_datum_t * prev_der_ext,
 211                                            gnutls_datum_t * der_ext);
 212 int _gnutls_x509_ext_gen_crl_dist_points (gnutls_x509_subject_alt_name_t type,
 213                                           const void *data,
 214                                           unsigned int data_size,
 215                                           unsigned int reason_flags,
 216                                           gnutls_datum_t * der_ext);
 217 int _gnutls_x509_ext_gen_key_id (const void *id, size_t id_size,
 218                                  gnutls_datum_t * der_data);
 219 int _gnutls_x509_ext_gen_auth_key_id (const void *id, size_t id_size,
 220                                       gnutls_datum_t * der_data);
 221 int _gnutls_x509_ext_extract_proxyCertInfo (int *pathLenConstraint,
 222                                             char **policyLanguage,
 223                                             char **policy,
 224                                             size_t * sizeof_policy,
 225                                             uint8_t * extnValue,
 226                                             int extnValueLen);
 227 int _gnutls_x509_ext_gen_proxyCertInfo (int pathLenConstraint,
 228                                         const char *policyLanguage,
 229                                         const char *policy,
 230                                         size_t sizeof_policy,
 231                                         gnutls_datum_t * der_ext);
 232
 233 /* mpi.c */
 234 int _gnutls_x509_crq_get_mpis (gnutls_x509_crq_t cert,
 235                                gnutls_pk_params_st*);
 236
 237 int _gnutls_x509_crt_get_mpis (gnutls_x509_crt_t cert,
 238                                gnutls_pk_params_st * params);
 239
 240 int _gnutls_x509_read_pubkey_params (gnutls_pk_algorithm_t, uint8_t * der, int dersize,
 241                                   gnutls_pk_params_st * params);
 242
 243 int _gnutls_x509_read_pubkey (gnutls_pk_algorithm_t, uint8_t * der, int dersize,
 244                                   gnutls_pk_params_st * params);
 245
 246 int _gnutls_x509_write_ecc_params (gnutls_pk_params_st * params,
 247                                    gnutls_datum_t * der);
 248 int _gnutls_x509_write_ecc_pubkey (gnutls_pk_params_st * params,
 249                                        gnutls_datum_t * der);
 250
 251 int
 252 _gnutls_x509_write_pubkey_params (gnutls_pk_algorithm_t algo,
 253                                    gnutls_pk_params_st* params,
 254                                    gnutls_datum_t * der);
 255 int _gnutls_x509_write_pubkey (gnutls_pk_algorithm_t, gnutls_pk_params_st * params,
 256                                        gnutls_datum_t * der);
 257
 258 int _gnutls_x509_read_uint (ASN1_TYPE node, const char *value,
 259                             unsigned int *ret);
 260
 261 int _gnutls_x509_read_der_int (uint8_t * der, int dersize, bigint_t * out);
 262
 263 int _gnutls_x509_read_int (ASN1_TYPE node, const char *value,
 264                            bigint_t * ret_mpi);
 265 int _gnutls_x509_write_int (ASN1_TYPE node, const char *value, bigint_t mpi,
 266                             int lz);
 267 int _gnutls_x509_write_uint32 (ASN1_TYPE node, const char *value,
 268                                uint32_t num);
 269
 270 int _gnutls_x509_write_sig_params (ASN1_TYPE dst, const char *dst_name,
 271                                    gnutls_pk_algorithm_t pk_algorithm,
 272                                    gnutls_digest_algorithm_t);
 273
 274 /* pkcs12.h */
 275 #include <gnutls/pkcs12.h>
 276
 277 typedef struct gnutls_pkcs12_int
 278 {
 279   ASN1_TYPE pkcs12;
 280 } gnutls_pkcs12_int;
 281
 282 #define MAX_BAG_ELEMENTS 32
 283
 284 struct bag_element
 285 {
 286   gnutls_datum_t data;
 287   gnutls_pkcs12_bag_type_t type;
 288   gnutls_datum_t local_key_id;
 289   char *friendly_name;
 290 };
 291
 292 typedef struct gnutls_pkcs12_bag_int
 293 {
 294   struct bag_element element[MAX_BAG_ELEMENTS];
 295   int bag_elements;
 296 } gnutls_pkcs12_bag_int;
 297
 298 #define BAG_PKCS8_KEY "1.2.840.113549.1.12.10.1.1"
 299 #define BAG_PKCS8_ENCRYPTED_KEY "1.2.840.113549.1.12.10.1.2"
 300 #define BAG_CERTIFICATE "1.2.840.113549.1.12.10.1.3"
 301 #define BAG_CRL "1.2.840.113549.1.12.10.1.4"
 302 #define BAG_SECRET "1.2.840.113549.1.12.10.1.5"
 303
 304 /* PKCS #7
 305  */
 306 #define DATA_OID "1.2.840.113549.1.7.1"
 307 #define ENC_DATA_OID "1.2.840.113549.1.7.6"
 308
 309 /* Bag attributes
 310  */
 311 #define FRIENDLY_NAME_OID "1.2.840.113549.1.9.20"
 312 #define KEY_ID_OID "1.2.840.113549.1.9.21"
 313
 314 int
 315 _gnutls_pkcs12_string_to_key (unsigned int id, const uint8_t * salt,
 316                               unsigned int salt_size, unsigned int iter,
 317                               const char *pw, unsigned int req_keylen,
 318                               uint8_t * keybuf);
 319
 320 int _gnutls_pkcs7_decrypt_data (const gnutls_datum_t * data,
 321                                 const char *password, gnutls_datum_t * dec);
 322
 323 typedef enum schema_id
 324 {
 325   PBES2_GENERIC,                /* when the algorithm is unknown, temporal use when reading only */
 326   PBES2_3DES,                   /* the stuff in PKCS #5 */
 327   PBES2_AES_128,
 328   PBES2_AES_192,
 329   PBES2_AES_256,
 330   PKCS12_3DES_SHA1,             /* the stuff in PKCS #12 */
 331   PKCS12_ARCFOUR_SHA1,
 332   PKCS12_RC2_40_SHA1
 333 } schema_id;
 334
 335 int _gnutls_pkcs_flags_to_schema (unsigned int flags);
 336 int _gnutls_pkcs7_encrypt_data (schema_id schema,
 337                                 const gnutls_datum_t * data,
 338                                 const char *password, gnutls_datum_t * enc);
 339 int _pkcs12_decode_safe_contents (const gnutls_datum_t * content,
 340                                   gnutls_pkcs12_bag_t bag);
 341
 342 int
 343 _pkcs12_encode_safe_contents (gnutls_pkcs12_bag_t bag, ASN1_TYPE * content,
 344                               int *enc);
 345
 346 int _pkcs12_decode_crt_bag (gnutls_pkcs12_bag_type_t type,
 347                             const gnutls_datum_t * in, gnutls_datum_t * out);
 348 int _pkcs12_encode_crt_bag (gnutls_pkcs12_bag_type_t type,
 349                             const gnutls_datum_t * raw, gnutls_datum_t * out);
 350
 351 /* crq */
 352 int _gnutls_x509_crq_set_extension (gnutls_x509_crq_t crq,
 353                                     const char *ext_id,
 354                                     const gnutls_datum_t * ext_data,
 355                                     unsigned int critical);
 356
 357 unsigned int
 358 _gnutls_x509_verify_certificate (const gnutls_x509_crt_t * certificate_list,
 359                                  int clist_size,
 360                                  const gnutls_x509_crt_t * trusted_cas,
 361                                  int tcas_size,
 362                                  unsigned int flags,
 363                                  gnutls_verify_output_function func);
 364
 365 int
 366 _gnutls_is_same_dn (gnutls_x509_crt_t cert1, gnutls_x509_crt_t cert2);
 367
 368 int
 369 _gnutls_x509_crt_check_revocation (gnutls_x509_crt_t cert,
 370                                   const gnutls_x509_crl_t * crl_list,
 371                                   int crl_list_length,
 372                                   gnutls_verify_output_function func);
 373
 374 #endif