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