include/openssl/ct.h

   1 /*
   2 * Public API for Certificate Transparency (CT).
   3 * Written by Rob Percival (robpercival@google.com) for the OpenSSL project.
   4 */
   5 /* ====================================================================
   6 * Copyright (c) 2016 The OpenSSL Project.  All rights reserved.
   7 *
   8 * Redistribution and use in source and binary forms, with or without
   9 * modification, are permitted provided that the following conditions
  10 * are met:
  11 *
  12 * 1. Redistributions of source code must retain the above copyright
  13 *    notice, this list of conditions and the following disclaimer.
  14 *
  15 * 2. Redistributions in binary form must reproduce the above copyright
  16 *    notice, this list of conditions and the following disclaimer in
  17 *    the documentation and/or other materials provided with the
  18 *    distribution.
  19 *
  20 * 3. All advertising materials mentioning features or use of this
  21 *    software must display the following acknowledgment:
  22 *    "This product includes software developed by the OpenSSL Project
  23 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24 *
  25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26 *    endorse or promote products derived from this software without
  27 *    prior written permission. For written permission, please contact
  28 *    licensing@OpenSSL.org.
  29 *
  30 * 5. Products derived from this software may not be called "OpenSSL"
  31 *    nor may "OpenSSL" appear in their names without prior written
  32 *    permission of the OpenSSL Project.
  33 *
  34 * 6. Redistributions of any form whatsoever must retain the following
  35 *    acknowledgment:
  36 *    "This product includes software developed by the OpenSSL Project
  37 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38 *
  39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50 * OF THE POSSIBILITY OF SUCH DAMAGE.
  51 * ====================================================================
  52 */
  53
  54 #ifdef OPENSSL_NO_CT
  55 # error "CT is disabled"
  56 #endif
  57
  58 #ifndef HEADER_CT_H
  59 # define HEADER_CT_H
  60
  61 # include <openssl/ossl_typ.h>
  62 # include <openssl/safestack.h>
  63 # include <openssl/x509.h>
  64
  65 # ifdef  __cplusplus
  66 extern "C" {
  67 # endif
  68
  69 /* Minimum RSA key size, from RFC6962 */
  70 # define SCT_MIN_RSA_BITS 2048
  71
  72 /* All hashes are SHA256 in v1 of Certificate Transparency */
  73 # define CT_V1_HASHLEN SHA256_DIGEST_LENGTH
  74
  75 typedef enum {
  76     CT_LOG_ENTRY_TYPE_NOT_SET = -1,
  77     CT_LOG_ENTRY_TYPE_X509 = 0,
  78     CT_LOG_ENTRY_TYPE_PRECERT = 1
  79 } ct_log_entry_type_t;
  80
  81 typedef enum {
  82     SCT_VERSION_NOT_SET = -1,
  83     SCT_VERSION_V1 = 0
  84 } sct_version_t;
  85
  86 typedef enum {
  87     SCT_SOURCE_UNKNOWN,
  88     SCT_SOURCE_TLS_EXTENSION,
  89     SCT_SOURCE_X509V3_EXTENSION,
  90     SCT_SOURCE_OCSP_STAPLED_RESPONSE
  91 } sct_source_t;
  92
  93 typedef enum {
  94     SCT_VALIDATION_STATUS_NOT_SET,
  95     SCT_VALIDATION_STATUS_UNKNOWN_LOG,
  96     SCT_VALIDATION_STATUS_VALID,
  97     SCT_VALIDATION_STATUS_INVALID,
  98     SCT_VALIDATION_STATUS_UNVERIFIED,
  99     SCT_VALIDATION_STATUS_UNKNOWN_VERSION
 100 } sct_validation_status_t;
 101
 102 DEFINE_STACK_OF(SCT)
 103 DEFINE_STACK_OF(CTLOG)
 104
 105 /******************************************
 106  * CT policy evaluation context functions *
 107  ******************************************/
 108
 109 /* Creates a new, empty policy evaluation context */
 110 CT_POLICY_EVAL_CTX *CT_POLICY_EVAL_CTX_new(void);
 111
 112 /* Deletes a policy evaluation context */
 113 void CT_POLICY_EVAL_CTX_free(CT_POLICY_EVAL_CTX *ctx);
 114
 115 /* Gets the peer certificate that the SCTs are for */
 116 X509* CT_POLICY_EVAL_CTX_get0_cert(CT_POLICY_EVAL_CTX *ctx);
 117
 118 /* Sets the certificate associated with the received SCTs */
 119 void CT_POLICY_EVAL_CTX_set0_cert(CT_POLICY_EVAL_CTX *ctx, X509 *cert);
 120
 121 /* Gets the issuer of the aforementioned certificate */
 122 X509* CT_POLICY_EVAL_CTX_get0_issuer(CT_POLICY_EVAL_CTX *ctx);
 123
 124 /* Sets the issuer of the certificate associated with the received SCTs */
 125 void CT_POLICY_EVAL_CTX_set0_issuer(CT_POLICY_EVAL_CTX *ctx, X509 *issuer);
 126
 127 /* Gets the CT logs that are trusted sources of SCTs */
 128 CTLOG_STORE *CT_POLICY_EVAL_CTX_get0_log_store(CT_POLICY_EVAL_CTX *ctx);
 129
 130 /* Sets the log store that is in use */
 131 void CT_POLICY_EVAL_CTX_set0_log_store(CT_POLICY_EVAL_CTX *ctx,
 132                                        CTLOG_STORE *log_store);
 133
 134 /*
 135  * A callback for verifying that the received SCTs are sufficient.
 136  * Expected to return 1 if they are sufficient, otherwise 0.
 137  * May return a negative integer if an error occurs.
 138  * A connection should be aborted if the SCTs are deemed insufficient.
 139  */
 140 typedef int(*ct_validation_cb)(const CT_POLICY_EVAL_CTX *ctx,
 141                                const STACK_OF(SCT) *scts, void *arg);
 142 /* Returns 0 if there are invalid SCTs */
 143 int CT_verify_no_bad_scts(const CT_POLICY_EVAL_CTX *ctx,
 144                           const STACK_OF(SCT) *scts, void *arg);
 145 /* Returns 0 if there are invalid SCTS or fewer than one valid SCT */
 146 int CT_verify_at_least_one_good_sct(const CT_POLICY_EVAL_CTX *ctx,
 147                                     const STACK_OF(SCT) *scts, void *arg);
 148
 149 /*****************
 150  * SCT functions *
 151  *****************/
 152
 153 /*
 154  * Creates a new, blank SCT.
 155  * The caller is responsible for calling SCT_free when finished with the SCT.
 156  */
 157 SCT *SCT_new(void);
 158
 159 /*
 160  * Creates a new SCT from some base64-encoded strings.
 161  * The caller is responsible for calling SCT_free when finished with the SCT.
 162  */
 163 SCT *SCT_new_from_base64(unsigned char version,
 164                          const char *logid_base64,
 165                          ct_log_entry_type_t entry_type,
 166                          uint64_t timestamp,
 167                          const char *extensions_base64,
 168                          const char *signature_base64);
 169
 170 /*
 171  * Frees the SCT and the underlying data structures.
 172  */
 173 void SCT_free(SCT *sct);
 174
 175 /*
 176  * Free a stack of SCTs, and the underlying SCTs themselves.
 177  * Intended to be compatible with X509V3_EXT_FREE.
 178  */
 179 void SCT_LIST_free(STACK_OF(SCT) *a);
 180
 181 /*
 182  * Returns the version of the SCT.
 183  */
 184 sct_version_t SCT_get_version(const SCT *sct);
 185
 186 /*
 187  * Set the version of an SCT.
 188  * Returns 1 on success, 0 if the version is unrecognized.
 189  */
 190 __owur int SCT_set_version(SCT *sct, sct_version_t version);
 191
 192 /*
 193  * Returns the log entry type of the SCT.
 194  */
 195 ct_log_entry_type_t SCT_get_log_entry_type(const SCT *sct);
 196
 197 /*
 198  * Set the log entry type of an SCT.
 199  * Returns 1 on success, 0 otherwise.
 200  */
 201 __owur int SCT_set_log_entry_type(SCT *sct, ct_log_entry_type_t entry_type);
 202
 203 /*
 204  * Gets the ID of the log that an SCT came from.
 205  * Ownership of the log ID remains with the SCT.
 206  * Returns the length of the log ID.
 207  */
 208 size_t SCT_get0_log_id(const SCT *sct, unsigned char **log_id);
 209
 210 /*
 211  * Set the log ID of an SCT to point directly to the *log_id specified.
 212  * The SCT takes ownership of the specified pointer.
 213  * Returns 1 on success, 0 otherwise.
 214  */
 215 __owur int SCT_set0_log_id(SCT *sct, unsigned char *log_id, size_t log_id_len);
 216
 217 /*
 218  * Set the log ID of an SCT.
 219  * This makes a copy of the log_id.
 220  * Returns 1 on success, 0 otherwise.
 221  */
 222 __owur int SCT_set1_log_id(SCT *sct, const unsigned char *log_id,
 223                            size_t log_id_len);
 224
 225 /*
 226  * Gets the name of the log that an SCT came from.
 227  * Ownership of the log name remains with the SCT.
 228  * Returns the log name, or NULL if it is not known.
 229  */
 230 const char *SCT_get0_log_name(const SCT *sct);
 231
 232 /*
 233  * Returns the timestamp for the SCT (epoch time in milliseconds).
 234  */
 235 uint64_t SCT_get_timestamp(const SCT *sct);
 236
 237 /*
 238  * Set the timestamp of an SCT (epoch time in milliseconds).
 239  */
 240 void SCT_set_timestamp(SCT *sct, uint64_t timestamp);
 241
 242 /*
 243  * Return the NID for the signature used by the SCT.
 244  * For CT v1, this will be either NID_sha256WithRSAEncryption or
 245  * NID_ecdsa_with_SHA256 (or NID_undef if incorrect/unset).
 246  */
 247 int SCT_get_signature_nid(const SCT *sct);
 248
 249 /*
 250  * Set the signature type of an SCT
 251  * For CT v1, this should be either NID_sha256WithRSAEncryption or
 252  * NID_ecdsa_with_SHA256.
 253  * Returns 1 on success, 0 otherwise.
 254  */
 255 __owur int SCT_set_signature_nid(SCT *sct, int nid);
 256
 257 /*
 258  * Set *ext to point to the extension data for the SCT. ext must not be NULL.
 259  * The SCT retains ownership of this pointer.
 260  * Returns length of the data pointed to.
 261  */
 262 size_t SCT_get0_extensions(const SCT *sct, unsigned char **ext);
 263
 264 /*
 265  * Set the extensions of an SCT to point directly to the *ext specified.
 266  * The SCT takes ownership of the specified pointer.
 267  */
 268 void SCT_set0_extensions(SCT *sct, unsigned char *ext, size_t ext_len);
 269
 270 /*
 271  * Set the extensions of an SCT.
 272  * This takes a copy of the ext.
 273  * Returns 1 on success, 0 otherwise.
 274  */
 275 __owur int SCT_set1_extensions(SCT *sct, const unsigned char *ext,
 276                                size_t ext_len);
 277
 278 /*
 279  * Set *sig to point to the signature for the SCT. sig must not be NULL.
 280  * The SCT retains ownership of this pointer.
 281  * Returns length of the data pointed to.
 282  */
 283 size_t SCT_get0_signature(const SCT *sct, unsigned char **sig);
 284
 285 /*
 286  * Set the signature of an SCT to point directly to the *sig specified.
 287  * The SCT takes ownership of the specified pointer.
 288  */
 289 void SCT_set0_signature(SCT *sct, unsigned char *sig, size_t sig_len);
 290
 291 /*
 292  * Set the signature of an SCT to be a copy of the *sig specified.
 293  * Returns 1 on success, 0 otherwise.
 294  */
 295 __owur int SCT_set1_signature(SCT *sct, const unsigned char *sig,
 296                               size_t sig_len);
 297
 298 /*
 299  * The origin of this SCT, e.g. TLS extension, OCSP response, etc.
 300  */
 301 sct_source_t SCT_get_source(const SCT *sct);
 302
 303 /*
 304  * Set the origin of this SCT, e.g. TLS extension, OCSP response, etc.
 305  * Returns 1 on success, 0 otherwise.
 306  */
 307 __owur int SCT_set_source(SCT *sct, sct_source_t source);
 308
 309 /*
 310  * Sets the source of all of the SCTs to the same value.
 311  * Returns the number of SCTs whose source was set successfully.
 312  */
 313 __owur int SCT_LIST_set_source(const STACK_OF(SCT) *scts, sct_source_t source);
 314
 315 /*
 316  * Gets information about the log the SCT came from, if set.
 317  */
 318 CTLOG *SCT_get0_log(const SCT *sct);
 319
 320 /*
 321  * Looks up information about the log the SCT came from using a CT log store.
 322  * Returns 1 if information about the log is found, 0 otherwise.
 323  * The information can be accessed via SCT_get0_log.
 324  */
 325 int SCT_set0_log(SCT *sct, const CTLOG_STORE* ct_logs);
 326
 327 /*
 328  * Looks up information about the logs the SCTs came from using a CT log store.
 329  * Returns the number of SCTs that now have a log set.
 330  * If any SCTs already have a log set, they will be skipped.
 331  */
 332 int SCT_LIST_set0_logs(STACK_OF(SCT) *sct_list, const CTLOG_STORE *ct_logs);
 333
 334 /*
 335  * Pretty-prints an |sct| to |out|.
 336  * It will be indented by the number of spaces specified by |indent|.
 337  */
 338 void SCT_print(const SCT *sct, BIO *out, int indent);
 339
 340 /*
 341  * Pretty-prints an |sct_list| to |out|.
 342  * It will be indented by the number of spaces specified by |indent|.
 343  * SCTs will be delimited by |separator|.
 344  */
 345 void SCT_LIST_print(const STACK_OF(SCT) *sct_list, BIO *out, int indent,
 346                     const char *separator);
 347
 348 /*
 349  * Verifies an SCT with the given context.
 350  * Returns 1 if the SCT verifies successfully, 0 if it cannot be verified and a
 351  * negative integer if an error occurs.
 352  */
 353 __owur int SCT_verify(const SCT_CTX *sctx, const SCT *sct);
 354
 355 /*
 356  * Verifies an SCT against the provided data.
 357  * Returns 1 if the SCT verifies successfully, 0 if it cannot be verified and a
 358  * negative integer if an error occurs.
 359  */
 360 __owur int SCT_verify_v1(SCT *sct, X509 *cert, X509 *preissuer,
 361                   X509_PUBKEY *log_pubkey, X509 *issuer_cert);
 362
 363 /*
 364  * Gets the last result of validating this SCT.
 365  * If it has not been validated yet, returns SCT_VALIDATION_STATUS_NOT_SET.
 366  */
 367 sct_validation_status_t SCT_get_validation_status(const SCT *sct);
 368
 369 /*
 370  * Validates the given SCT with the provided context.
 371  * Sets the "validation_status" field of the SCT.
 372  * Returns 1 if the SCT is valid and the signature verifies.
 373  * Returns 0 if the SCT is invalid or could not be verified.
 374  * Returns -1 if an error occurs.
 375  */
 376 __owur int SCT_validate(SCT *sct, const CT_POLICY_EVAL_CTX *ctx);
 377
 378 /*
 379  * Validates the given list of SCTs with the provided context.
 380  * Populates the "good_scts" and "bad_scts" of the evaluation context.
 381  * Returns 1 if there are no invalid SCTs and all signatures verify.
 382  * Returns 0 if at least one SCT is invalid or could not be verified.
 383  * Returns a negative integer if an error occurs.
 384  */
 385 __owur int SCT_LIST_validate(const STACK_OF(SCT) *scts,
 386                              CT_POLICY_EVAL_CTX *ctx);
 387
 388
 389 /*********************************
 390  * SCT parsing and serialisation *
 391  *********************************/
 392
 393 /*
 394  * Serialize (to TLS format) a stack of SCTs and return the length.
 395  * "a" must not be NULL.
 396  * If "pp" is NULL, just return the length of what would have been serialized.
 397  * If "pp" is not NULL and "*pp" is null, function will allocate a new pointer
 398  * for data that caller is responsible for freeing (only if function returns
 399  * successfully).
 400  * If "pp" is NULL and "*pp" is not NULL, caller is responsible for ensuring
 401  * that "*pp" is large enough to accept all of the serializied data.
 402  * Returns < 0 on error, >= 0 indicating bytes written (or would have been)
 403  * on success.
 404  */
 405 __owur int i2o_SCT_LIST(const STACK_OF(SCT) *a, unsigned char **pp);
 406
 407 /*
 408  * Convert TLS format SCT list to a stack of SCTs.
 409  * If "a" or "*a" is NULL, a new stack will be created that the caller is
 410  * responsible for freeing (by calling SCT_LIST_free).
 411  * "**pp" and "*pp" must not be NULL.
 412  * Upon success, "*pp" will point to after the last bytes read, and a stack
 413  * will be returned.
 414  * Upon failure, a NULL pointer will be returned, and the position of "*pp" is
 415  * not defined.
 416  */
 417 STACK_OF(SCT) *o2i_SCT_LIST(STACK_OF(SCT) **a, const unsigned char **pp,
 418                             size_t len);
 419
 420 /*
 421  * Serialize (to DER format) a stack of SCTs and return the length.
 422  * "a" must not be NULL.
 423  * If "pp" is NULL, just returns the length of what would have been serialized.
 424  * If "pp" is not NULL and "*pp" is null, function will allocate a new pointer
 425  * for data that caller is responsible for freeing (only if function returns
 426  * successfully).
 427  * If "pp" is NULL and "*pp" is not NULL, caller is responsible for ensuring
 428  * that "*pp" is large enough to accept all of the serializied data.
 429  * Returns < 0 on error, >= 0 indicating bytes written (or would have been)
 430  * on success.
 431  */
 432 __owur int i2d_SCT_LIST(STACK_OF(SCT) *a, unsigned char **pp);
 433
 434 /*
 435  * Parses an SCT list in DER format and returns it.
 436  * If "a" or "*a" is NULL, a new stack will be created that the caller is
 437  * responsible for freeing (by calling SCT_LIST_free).
 438  * "**pp" and "*pp" must not be NULL.
 439  * Upon success, "*pp" will point to after the last bytes read, and a stack
 440  * will be returned.
 441  * Upon failure, a NULL pointer will be returned, and the position of "*pp" is
 442  * not defined.
 443  */
 444 STACK_OF(SCT) *d2i_SCT_LIST(STACK_OF(SCT) **a, const unsigned char **pp,
 445                             long len);
 446
 447 /*
 448  * Serialize (to TLS format) an |sct| and write it to |out|.
 449  * If |out| is null, no SCT will be output but the length will still be returned.
 450  * If |out| points to a null pointer, a string will be allocated to hold the
 451  * TLS-format SCT. It is the responsibility of the caller to free it.
 452  * If |out| points to an allocated string, the TLS-format SCT will be written
 453  * to it.
 454  * The length of the SCT in TLS format will be returned.
 455  */
 456 __owur int i2o_SCT(const SCT *sct, unsigned char **out);
 457
 458 /*
 459  * Parses an SCT in TLS format and returns it.
 460  * If |psct| is not null, it will end up pointing to the parsed SCT. If it
 461  * already points to a non-null pointer, the pointer will be free'd.
 462  * |in| should be a pointer to a string contianing the TLS-format SCT.
 463  * |in| will be advanced to the end of the SCT if parsing succeeds.
 464  * |len| should be the length of the SCT in |in|.
 465  * Returns NULL if an error occurs.
 466  * If the SCT is an unsupported version, only the SCT's 'sct' and 'sct_len'
 467  * fields will be populated (with |in| and |len| respectively).
 468  */
 469 SCT *o2i_SCT(SCT **psct, const unsigned char **in, size_t len);
 470
 471 /*
 472 * Serialize (to TLS format) an |sct| signature and write it to |out|.
 473 * If |out| is null, no signature will be output but the length will be returned.
 474 * If |out| points to a null pointer, a string will be allocated to hold the
 475 * TLS-format signature. It is the responsibility of the caller to free it.
 476 * If |out| points to an allocated string, the signature will be written to it.
 477 * The length of the signature in TLS format will be returned.
 478 */
 479 __owur int i2o_SCT_signature(const SCT *sct, unsigned char **out);
 480
 481 /*
 482 * Parses an SCT signature in TLS format and populates the |sct| with it.
 483 * |in| should be a pointer to a string contianing the TLS-format signature.
 484 * |in| will be advanced to the end of the signature if parsing succeeds.
 485 * |len| should be the length of the signature in |in|.
 486 * Returns the number of bytes parsed, or a negative integer if an error occurs.
 487 */
 488 __owur int o2i_SCT_signature(SCT *sct, const unsigned char **in, size_t len);
 489
 490 /********************
 491  * CT log functions *
 492  ********************/
 493
 494 /*
 495  * Creates a new CT log instance with the given |public_key| and |name|.
 496  * Should be deleted by the caller using CTLOG_free when no longer needed.
 497  */
 498 CTLOG *CTLOG_new(EVP_PKEY *public_key, const char *name);
 499
 500 /*
 501  * Creates a new, blank CT log instance.
 502  * Should be deleted by the caller using CTLOG_free when no longer needed.
 503  */
 504 CTLOG *CTLOG_new_null(void);
 505
 506 /*
 507  * Creates a new CT log instance with the given base64 public_key and |name|.
 508  * Should be deleted by the caller using CTLOG_free when no longer needed.
 509  */
 510 CTLOG *CTLOG_new_from_base64(const char *pkey_base64, const char *name);
 511
 512 /*
 513  * Deletes a CT log instance and its fields.
 514  */
 515 void CTLOG_free(CTLOG *log);
 516
 517 /* Gets the name of the CT log */
 518 const char *CTLOG_get0_name(const CTLOG *log);
 519 /* Gets the ID of the CT log */
 520 void CTLOG_get0_log_id(const CTLOG *log, const uint8_t **log_id,
 521                        size_t *log_id_len);
 522 /* Gets the public key of the CT log */
 523 EVP_PKEY *CTLOG_get0_public_key(const CTLOG *log);
 524
 525 /**************************
 526  * CT log store functions *
 527  **************************/
 528
 529 /*
 530  * Creates a new CT log store.
 531  * Should be deleted by the caller using CTLOG_STORE_free when no longer needed.
 532  */
 533 CTLOG_STORE *CTLOG_STORE_new(void);
 534
 535 /*
 536  * Deletes a CT log store and all of the CT log instances held within.
 537  */
 538 void CTLOG_STORE_free(CTLOG_STORE *store);
 539
 540 /*
 541  * Finds a CT log in the store based on its log ID.
 542  * Returns the CT log, or NULL if no match is found.
 543  */
 544 CTLOG *CTLOG_STORE_get0_log_by_id(const CTLOG_STORE *store,
 545                                   const uint8_t *log_id,
 546                                   size_t log_id_len);
 547
 548 /*
 549  * Loads a CT log list into a |store| from a |file|.
 550  * Returns 1 if loading is successful, or 0 otherwise.
 551  */
 552 __owur int CTLOG_STORE_load_file(CTLOG_STORE *store, const char *file);
 553
 554 /*
 555  * Loads the default CT log list into a |store|.
 556  * See internal/cryptlib.h for the environment variable and file path that are
 557  * consulted to find the default file.
 558  * Returns 1 if loading is successful, or 0 otherwise.
 559  */
 560 __owur int CTLOG_STORE_load_default_file(CTLOG_STORE *store);
 561
 562 /* BEGIN ERROR CODES */
 563 /*
 564  * The following lines are auto generated by the script mkerr.pl. Any changes
 565  * made after this point may be overwritten when the script is next run.
 566  */
 567 void ERR_load_CT_strings(void);
 568
 569 /* Error codes for the CT functions. */
 570
 571 /* Function codes. */
 572 # define CT_F_CTLOG_NEW                                   117
 573 # define CT_F_CTLOG_NEW_FROM_BASE64                       118
 574 # define CT_F_CTLOG_NEW_FROM_CONF                         119
 575 # define CT_F_CTLOG_NEW_NULL                              120
 576 # define CT_F_CTLOG_STORE_GET0_LOG_BY_ID                  121
 577 # define CT_F_CTLOG_STORE_LOAD_CTX_NEW                    122
 578 # define CT_F_CTLOG_STORE_LOAD_FILE                       123
 579 # define CT_F_CT_BASE64_DECODE                            124
 580 # define CT_F_CT_POLICY_EVAL_CTX_GET0_CERT                130
 581 # define CT_F_CT_POLICY_EVAL_CTX_GET0_ISSUER              131
 582 # define CT_F_CT_POLICY_EVAL_CTX_GET0_LOG_STORE           132
 583 # define CT_F_CT_POLICY_EVAL_CTX_NEW                      133
 584 # define CT_F_CT_POLICY_EVAL_CTX_SET0_CERT                134
 585 # define CT_F_CT_POLICY_EVAL_CTX_SET0_ISSUER              135
 586 # define CT_F_CT_POLICY_EVAL_CTX_SET0_LOG_STORE           136
 587 # define CT_F_CT_V1_LOG_ID_FROM_PKEY                      125
 588 # define CT_F_CT_VERIFY_AT_LEAST_ONE_GOOD_SCT             137
 589 # define CT_F_CT_VERIFY_NO_BAD_SCTS                       138
 590 # define CT_F_D2I_SCT_LIST                                105
 591 # define CT_F_I2D_SCT_LIST                                106
 592 # define CT_F_I2O_SCT                                     107
 593 # define CT_F_I2O_SCT_LIST                                108
 594 # define CT_F_I2O_SCT_SIGNATURE                           109
 595 # define CT_F_O2I_SCT                                     110
 596 # define CT_F_O2I_SCT_LIST                                111
 597 # define CT_F_O2I_SCT_SIGNATURE                           112
 598 # define CT_F_SCT_CTX_NEW                                 126
 599 # define CT_F_SCT_LIST_VALIDATE                           139
 600 # define CT_F_SCT_NEW                                     100
 601 # define CT_F_SCT_NEW_FROM_BASE64                         127
 602 # define CT_F_SCT_SET0_LOG_ID                             101
 603 # define CT_F_SCT_SET1_EXTENSIONS                         114
 604 # define CT_F_SCT_SET1_LOG_ID                             115
 605 # define CT_F_SCT_SET1_SIGNATURE                          116
 606 # define CT_F_SCT_SET_LOG_ENTRY_TYPE                      102
 607 # define CT_F_SCT_SET_SIGNATURE_NID                       103
 608 # define CT_F_SCT_SET_VERSION                             104
 609 # define CT_F_SCT_SIGNATURE_IS_VALID                      113
 610 # define CT_F_SCT_VALIDATE                                140
 611 # define CT_F_SCT_VERIFY                                  128
 612 # define CT_F_SCT_VERIFY_V1                               129
 613
 614 /* Reason codes. */
 615 # define CT_R_BASE64_DECODE_ERROR                         108
 616 # define CT_R_INVALID_LOG_ID_LENGTH                       100
 617 # define CT_R_LOG_CONF_INVALID                            109
 618 # define CT_R_LOG_CONF_INVALID_KEY                        110
 619 # define CT_R_LOG_CONF_MISSING_DESCRIPTION                111
 620 # define CT_R_LOG_CONF_MISSING_KEY                        112
 621 # define CT_R_LOG_KEY_INVALID                             113
 622 # define CT_R_NOT_ENOUGH_SCTS                             116
 623 # define CT_R_SCT_INVALID                                 104
 624 # define CT_R_SCT_INVALID_SIGNATURE                       107
 625 # define CT_R_SCT_LIST_INVALID                            105
 626 # define CT_R_SCT_LOG_ID_MISMATCH                         114
 627 # define CT_R_SCT_NOT_SET                                 106
 628 # define CT_R_SCT_UNSUPPORTED_VERSION                     115
 629 # define CT_R_SCT_VALIDATION_STATUS_NOT_SET               117
 630 # define CT_R_UNRECOGNIZED_SIGNATURE_NID                  101
 631 # define CT_R_UNSUPPORTED_ENTRY_TYPE                      102
 632 # define CT_R_UNSUPPORTED_VERSION                         103
 633
 634 #ifdef  __cplusplus
 635 }
 636 #endif
 637 #endif