git-svn-id: http://svn.miranda-ng.org/main/trunk@16502 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c

1 files changed, 607 insertions, 0 deletions

diff --git a/include/openssl/ct.h b/include/openssl/ct.h
new file mode 100644
index 0000000000..f148a270aa
--- /dev/null
+++ b/include/openssl/ct.h
@@ -0,0 +1,607 @@
+/*
+* Public API for Certificate Transparency (CT).
+* Written by Rob Percival (robpercival@google.com) for the OpenSSL project.
+*/
+/* ====================================================================
+* Copyright (c) 2016 The OpenSSL Project.  All rights reserved.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions
+* are met:
+*
+* 1. Redistributions of source code must retain the above copyright
+*    notice, this list of conditions and the following disclaimer.
+*
+* 2. Redistributions in binary form must reproduce the above copyright
+*    notice, this list of conditions and the following disclaimer in
+*    the documentation and/or other materials provided with the
+*    distribution.
+*
+* 3. All advertising materials mentioning features or use of this
+*    software must display the following acknowledgment:
+*    "This product includes software developed by the OpenSSL Project
+*    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+*
+* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+*    endorse or promote products derived from this software without
+*    prior written permission. For written permission, please contact
+*    licensing@OpenSSL.org.
+*
+* 5. Products derived from this software may not be called "OpenSSL"
+*    nor may "OpenSSL" appear in their names without prior written
+*    permission of the OpenSSL Project.
+*
+* 6. Redistributions of any form whatsoever must retain the following
+*    acknowledgment:
+*    "This product includes software developed by the OpenSSL Project
+*    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+*
+* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+* OF THE POSSIBILITY OF SUCH DAMAGE.
+* ====================================================================
+*/
+
+#ifdef OPENSSL_NO_CT
+# error "CT is disabled"
+#endif
+
+#ifndef HEADER_CT_H
+# define HEADER_CT_H
+
+# include <openssl/ossl_typ.h>
+# include <openssl/safestack.h>
+# include <openssl/x509.h>
+
+# ifdef  __cplusplus
+extern "C" {
+# endif
+
+/* Minimum RSA key size, from RFC6962 */
+# define SCT_MIN_RSA_BITS 2048
+
+/* All hashes are SHA256 in v1 of Certificate Transparency */
+# define CT_V1_HASHLEN SHA256_DIGEST_LENGTH
+
+typedef enum {
+    CT_LOG_ENTRY_TYPE_NOT_SET = -1,
+    CT_LOG_ENTRY_TYPE_X509 = 0,
+    CT_LOG_ENTRY_TYPE_PRECERT = 1
+} ct_log_entry_type_t;
+
+typedef enum {
+    SCT_VERSION_NOT_SET = -1,
+    SCT_VERSION_V1 = 0
+} sct_version_t;
+
+typedef enum {
+    SCT_SOURCE_UNKNOWN,
+    SCT_SOURCE_TLS_EXTENSION,
+    SCT_SOURCE_X509V3_EXTENSION,
+    SCT_SOURCE_OCSP_STAPLED_RESPONSE
+} sct_source_t;
+
+typedef enum {
+    SCT_VALIDATION_STATUS_NOT_SET,
+    SCT_VALIDATION_STATUS_UNKNOWN_LOG,
+    SCT_VALIDATION_STATUS_VALID,
+    SCT_VALIDATION_STATUS_INVALID,
+    SCT_VALIDATION_STATUS_UNVERIFIED,
+    SCT_VALIDATION_STATUS_UNKNOWN_VERSION
+} sct_validation_status_t;
+
+DEFINE_STACK_OF(SCT)
+DEFINE_STACK_OF(CTLOG)
+
+/******************************************
+ * CT policy evaluation context functions *
+ ******************************************/
+
+/* Creates a new, empty policy evaluation context */
+CT_POLICY_EVAL_CTX *CT_POLICY_EVAL_CTX_new(void);
+
+/* Deletes a policy evaluation context */
+void CT_POLICY_EVAL_CTX_free(CT_POLICY_EVAL_CTX *ctx);
+
+/* Gets the peer certificate that the SCTs are for */
+X509* CT_POLICY_EVAL_CTX_get0_cert(const CT_POLICY_EVAL_CTX *ctx);
+
+/* Sets the certificate associated with the received SCTs */
+void CT_POLICY_EVAL_CTX_set0_cert(CT_POLICY_EVAL_CTX *ctx, X509 *cert);
+
+/* Gets the issuer of the aforementioned certificate */
+X509* CT_POLICY_EVAL_CTX_get0_issuer(const CT_POLICY_EVAL_CTX *ctx);
+
+/* Sets the issuer of the certificate associated with the received SCTs */
+void CT_POLICY_EVAL_CTX_set0_issuer(CT_POLICY_EVAL_CTX *ctx, X509 *issuer);
+
+/* Gets the CT logs that are trusted sources of SCTs */
+const CTLOG_STORE *CT_POLICY_EVAL_CTX_get0_log_store(const CT_POLICY_EVAL_CTX *ctx);
+
+/* Sets the log store that is in use */
+void CT_POLICY_EVAL_CTX_set0_log_store(CT_POLICY_EVAL_CTX *ctx,
+                                       CTLOG_STORE *log_store);
+
+/*
+ * A callback for verifying that the received SCTs are sufficient.
+ * Expected to return 1 if they are sufficient, otherwise 0.
+ * May return a negative integer if an error occurs.
+ * A connection should be aborted if the SCTs are deemed insufficient.
+ */
+typedef int(*ct_validation_cb)(const CT_POLICY_EVAL_CTX *ctx,
+                               const STACK_OF(SCT) *scts, void *arg);
+/* Returns 0 if there are invalid SCTs */
+int CT_verify_no_bad_scts(const CT_POLICY_EVAL_CTX *ctx,
+                          const STACK_OF(SCT) *scts, void *arg);
+/* Returns 0 if there are invalid SCTS or fewer than one valid SCT */
+int CT_verify_at_least_one_good_sct(const CT_POLICY_EVAL_CTX *ctx,
+                                    const STACK_OF(SCT) *scts, void *arg);
+
+/*****************
+ * SCT functions *
+ *****************/
+
+/*
+ * Creates a new, blank SCT.
+ * The caller is responsible for calling SCT_free when finished with the SCT.
+ */
+SCT *SCT_new(void);
+
+/*
+ * Creates a new SCT from some base64-encoded strings.
+ * The caller is responsible for calling SCT_free when finished with the SCT.
+ */
+SCT *SCT_new_from_base64(unsigned char version,
+                         const char *logid_base64,
+                         ct_log_entry_type_t entry_type,
+                         uint64_t timestamp,
+                         const char *extensions_base64,
+                         const char *signature_base64);
+
+/*
+ * Frees the SCT and the underlying data structures.
+ */
+void SCT_free(SCT *sct);
+
+/*
+ * Free a stack of SCTs, and the underlying SCTs themselves.
+ * Intended to be compatible with X509V3_EXT_FREE.
+ */
+void SCT_LIST_free(STACK_OF(SCT) *a);
+
+/*
+ * Returns the version of the SCT.
+ */
+sct_version_t SCT_get_version(const SCT *sct);
+
+/*
+ * Set the version of an SCT.
+ * Returns 1 on success, 0 if the version is unrecognized.
+ */
+__owur int SCT_set_version(SCT *sct, sct_version_t version);
+
+/*
+ * Returns the log entry type of the SCT.
+ */
+ct_log_entry_type_t SCT_get_log_entry_type(const SCT *sct);
+
+/*
+ * Set the log entry type of an SCT.
+ * Returns 1 on success, 0 otherwise.
+ */
+__owur int SCT_set_log_entry_type(SCT *sct, ct_log_entry_type_t entry_type);
+
+/*
+ * Gets the ID of the log that an SCT came from.
+ * Ownership of the log ID remains with the SCT.
+ * Returns the length of the log ID.
+ */
+size_t SCT_get0_log_id(const SCT *sct, unsigned char **log_id);
+
+/*
+ * Set the log ID of an SCT to point directly to the *log_id specified.
+ * The SCT takes ownership of the specified pointer.
+ * Returns 1 on success, 0 otherwise.
+ */
+__owur int SCT_set0_log_id(SCT *sct, unsigned char *log_id, size_t log_id_len);
+
+/*
+ * Set the log ID of an SCT.
+ * This makes a copy of the log_id.
+ * Returns 1 on success, 0 otherwise.
+ */
+__owur int SCT_set1_log_id(SCT *sct, const unsigned char *log_id,
+                           size_t log_id_len);
+
+/*
+ * Returns the timestamp for the SCT (epoch time in milliseconds).
+ */
+uint64_t SCT_get_timestamp(const SCT *sct);
+
+/*
+ * Set the timestamp of an SCT (epoch time in milliseconds).
+ */
+void SCT_set_timestamp(SCT *sct, uint64_t timestamp);
+
+/*
+ * Return the NID for the signature used by the SCT.
+ * For CT v1, this will be either NID_sha256WithRSAEncryption or
+ * NID_ecdsa_with_SHA256 (or NID_undef if incorrect/unset).
+ */
+int SCT_get_signature_nid(const SCT *sct);
+
+/*
+ * Set the signature type of an SCT
+ * For CT v1, this should be either NID_sha256WithRSAEncryption or
+ * NID_ecdsa_with_SHA256.
+ * Returns 1 on success, 0 otherwise.
+ */
+__owur int SCT_set_signature_nid(SCT *sct, int nid);
+
+/*
+ * Set *ext to point to the extension data for the SCT. ext must not be NULL.
+ * The SCT retains ownership of this pointer.
+ * Returns length of the data pointed to.
+ */
+size_t SCT_get0_extensions(const SCT *sct, unsigned char **ext);
+
+/*
+ * Set the extensions of an SCT to point directly to the *ext specified.
+ * The SCT takes ownership of the specified pointer.
+ */
+void SCT_set0_extensions(SCT *sct, unsigned char *ext, size_t ext_len);
+
+/*
+ * Set the extensions of an SCT.
+ * This takes a copy of the ext.
+ * Returns 1 on success, 0 otherwise.
+ */
+__owur int SCT_set1_extensions(SCT *sct, const unsigned char *ext,
+                               size_t ext_len);
+
+/*
+ * Set *sig to point to the signature for the SCT. sig must not be NULL.
+ * The SCT retains ownership of this pointer.
+ * Returns length of the data pointed to.
+ */
+size_t SCT_get0_signature(const SCT *sct, unsigned char **sig);
+
+/*
+ * Set the signature of an SCT to point directly to the *sig specified.
+ * The SCT takes ownership of the specified pointer.
+ */
+void SCT_set0_signature(SCT *sct, unsigned char *sig, size_t sig_len);
+
+/*
+ * Set the signature of an SCT to be a copy of the *sig specified.
+ * Returns 1 on success, 0 otherwise.
+ */
+__owur int SCT_set1_signature(SCT *sct, const unsigned char *sig,
+                              size_t sig_len);
+
+/*
+ * The origin of this SCT, e.g. TLS extension, OCSP response, etc.
+ */
+sct_source_t SCT_get_source(const SCT *sct);
+
+/*
+ * Set the origin of this SCT, e.g. TLS extension, OCSP response, etc.
+ * Returns 1 on success, 0 otherwise.
+ */
+__owur int SCT_set_source(SCT *sct, sct_source_t source);
+
+/*
+ * Pretty-prints an |sct| to |out|.
+ * It will be indented by the number of spaces specified by |indent|.
+ * If |logs| is not NULL, it will be used to lookup the CT log that the SCT came
+ * from, so that the log name can be printed.
+ */
+void SCT_print(const SCT *sct, BIO *out, int indent, const CTLOG_STORE *logs);
+
+/*
+ * Pretty-prints an |sct_list| to |out|.
+ * It will be indented by the number of spaces specified by |indent|.
+ * SCTs will be delimited by |separator|.
+ * If |logs| is not NULL, it will be used to lookup the CT log that each SCT
+ * came from, so that the log names can be printed.
+ */
+void SCT_LIST_print(const STACK_OF(SCT) *sct_list, BIO *out, int indent,
+                    const char *separator, const CTLOG_STORE *logs);
+
+/*
+ * Verifies an SCT with the given context.
+ * Returns 1 if the SCT verifies successfully, 0 otherwise.
+ */
+__owur int SCT_verify(const SCT_CTX *sctx, const SCT *sct);
+
+/*
+ * Verifies an SCT against the provided data.
+ * Returns 1 if the SCT verifies successfully, 0 otherwise.
+ */
+__owur int SCT_verify_v1(SCT *sct, X509 *cert, X509 *preissuer,
+                  X509_PUBKEY *log_pubkey, X509 *issuer_cert);
+
+/*
+ * Gets the last result of validating this SCT.
+ * If it has not been validated yet, returns SCT_VALIDATION_STATUS_NOT_SET.
+ */
+sct_validation_status_t SCT_get_validation_status(const SCT *sct);
+
+/*
+ * Validates the given SCT with the provided context.
+ * Sets the "validation_status" field of the SCT.
+ * Returns 1 if the SCT is valid and the signature verifies.
+ * Returns 0 if the SCT is invalid or could not be verified.
+ * Returns -1 if an error occurs.
+ */
+__owur int SCT_validate(SCT *sct, const CT_POLICY_EVAL_CTX *ctx);
+
+/*
+ * Validates the given list of SCTs with the provided context.
+ * Populates the "good_scts" and "bad_scts" of the evaluation context.
+ * Returns 1 if there are no invalid SCTs and all signatures verify.
+ * Returns 0 if at least one SCT is invalid or could not be verified.
+ * Returns a negative integer if an error occurs.
+ */
+__owur int SCT_LIST_validate(const STACK_OF(SCT) *scts,
+                             CT_POLICY_EVAL_CTX *ctx);
+
+
+/*********************************
+ * SCT parsing and serialisation *
+ *********************************/
+
+/*
+ * Serialize (to TLS format) a stack of SCTs and return the length.
+ * "a" must not be NULL.
+ * If "pp" is NULL, just return the length of what would have been serialized.
+ * If "pp" is not NULL and "*pp" is null, function will allocate a new pointer
+ * for data that caller is responsible for freeing (only if function returns
+ * successfully).
+ * If "pp" is NULL and "*pp" is not NULL, caller is responsible for ensuring
+ * that "*pp" is large enough to accept all of the serializied data.
+ * Returns < 0 on error, >= 0 indicating bytes written (or would have been)
+ * on success.
+ */
+__owur int i2o_SCT_LIST(const STACK_OF(SCT) *a, unsigned char **pp);
+
+/*
+ * Convert TLS format SCT list to a stack of SCTs.
+ * If "a" or "*a" is NULL, a new stack will be created that the caller is
+ * responsible for freeing (by calling SCT_LIST_free).
+ * "**pp" and "*pp" must not be NULL.
+ * Upon success, "*pp" will point to after the last bytes read, and a stack
+ * will be returned.
+ * Upon failure, a NULL pointer will be returned, and the position of "*pp" is
+ * not defined.
+ */
+STACK_OF(SCT) *o2i_SCT_LIST(STACK_OF(SCT) **a, const unsigned char **pp,
+                            size_t len);
+
+/*
+ * Serialize (to DER format) a stack of SCTs and return the length.
+ * "a" must not be NULL.
+ * If "pp" is NULL, just returns the length of what would have been serialized.
+ * If "pp" is not NULL and "*pp" is null, function will allocate a new pointer
+ * for data that caller is responsible for freeing (only if function returns
+ * successfully).
+ * If "pp" is NULL and "*pp" is not NULL, caller is responsible for ensuring
+ * that "*pp" is large enough to accept all of the serializied data.
+ * Returns < 0 on error, >= 0 indicating bytes written (or would have been)
+ * on success.
+ */
+__owur int i2d_SCT_LIST(const STACK_OF(SCT) *a, unsigned char **pp);
+
+/*
+ * Parses an SCT list in DER format and returns it.
+ * If "a" or "*a" is NULL, a new stack will be created that the caller is
+ * responsible for freeing (by calling SCT_LIST_free).
+ * "**pp" and "*pp" must not be NULL.
+ * Upon success, "*pp" will point to after the last bytes read, and a stack
+ * will be returned.
+ * Upon failure, a NULL pointer will be returned, and the position of "*pp" is
+ * not defined.
+ */
+STACK_OF(SCT) *d2i_SCT_LIST(STACK_OF(SCT) **a, const unsigned char **pp,
+                            long len);
+
+/*
+ * Serialize (to TLS format) an |sct| and write it to |out|.
+ * If |out| is null, no SCT will be output but the length will still be returned.
+ * If |out| points to a null pointer, a string will be allocated to hold the
+ * TLS-format SCT. It is the responsibility of the caller to free it.
+ * If |out| points to an allocated string, the TLS-format SCT will be written
+ * to it.
+ * The length of the SCT in TLS format will be returned.
+ */
+__owur int i2o_SCT(const SCT *sct, unsigned char **out);
+
+/*
+ * Parses an SCT in TLS format and returns it.
+ * If |psct| is not null, it will end up pointing to the parsed SCT. If it
+ * already points to a non-null pointer, the pointer will be free'd.
+ * |in| should be a pointer to a string contianing the TLS-format SCT.
+ * |in| will be advanced to the end of the SCT if parsing succeeds.
+ * |len| should be the length of the SCT in |in|.
+ * Returns NULL if an error occurs.
+ * If the SCT is an unsupported version, only the SCT's 'sct' and 'sct_len'
+ * fields will be populated (with |in| and |len| respectively).
+ */
+SCT *o2i_SCT(SCT **psct, const unsigned char **in, size_t len);
+
+/*
+* Serialize (to TLS format) an |sct| signature and write it to |out|.
+* If |out| is null, no signature will be output but the length will be returned.
+* If |out| points to a null pointer, a string will be allocated to hold the
+* TLS-format signature. It is the responsibility of the caller to free it.
+* If |out| points to an allocated string, the signature will be written to it.
+* The length of the signature in TLS format will be returned.
+*/
+__owur int i2o_SCT_signature(const SCT *sct, unsigned char **out);
+
+/*
+* Parses an SCT signature in TLS format and populates the |sct| with it.
+* |in| should be a pointer to a string contianing the TLS-format signature.
+* |in| will be advanced to the end of the signature if parsing succeeds.
+* |len| should be the length of the signature in |in|.
+* Returns the number of bytes parsed, or a negative integer if an error occurs.
+*/
+__owur int o2i_SCT_signature(SCT *sct, const unsigned char **in, size_t len);
+
+/********************
+ * CT log functions *
+ ********************/
+
+/*
+ * Creates a new CT log instance with the given |public_key| and |name|.
+ * Should be deleted by the caller using CTLOG_free when no longer needed.
+ */
+CTLOG *CTLOG_new(EVP_PKEY *public_key, const char *name);
+
+/*
+ * Creates a new, blank CT log instance.
+ * Should be deleted by the caller using CTLOG_free when no longer needed.
+ */
+CTLOG *CTLOG_new_null(void);
+
+/*
+ * Creates a new CT log instance with the given base64 public_key and |name|.
+ * Should be deleted by the caller using CTLOG_free when no longer needed.
+ */
+CTLOG *CTLOG_new_from_base64(const char *pkey_base64, const char *name);
+
+/*
+ * Deletes a CT log instance and its fields.
+ */
+void CTLOG_free(CTLOG *log);
+
+/* Gets the name of the CT log */
+const char *CTLOG_get0_name(const CTLOG *log);
+/* Gets the ID of the CT log */
+void CTLOG_get0_log_id(const CTLOG *log, const uint8_t **log_id,
+                       size_t *log_id_len);
+/* Gets the public key of the CT log */
+EVP_PKEY *CTLOG_get0_public_key(const CTLOG *log);
+
+/**************************
+ * CT log store functions *
+ **************************/
+
+/*
+ * Creates a new CT log store.
+ * Should be deleted by the caller using CTLOG_STORE_free when no longer needed.
+ */
+CTLOG_STORE *CTLOG_STORE_new(void);
+
+/*
+ * Deletes a CT log store and all of the CT log instances held within.
+ */
+void CTLOG_STORE_free(CTLOG_STORE *store);
+
+/*
+ * Finds a CT log in the store based on its log ID.
+ * Returns the CT log, or NULL if no match is found.
+ */
+const CTLOG *CTLOG_STORE_get0_log_by_id(const CTLOG_STORE *store,
+                                        const uint8_t *log_id,
+                                        size_t log_id_len);
+
+/*
+ * Loads a CT log list into a |store| from a |file|.
+ * Returns 1 if loading is successful, or 0 otherwise.
+ */
+__owur int CTLOG_STORE_load_file(CTLOG_STORE *store, const char *file);
+
+/*
+ * Loads the default CT log list into a |store|.
+ * See internal/cryptlib.h for the environment variable and file path that are
+ * consulted to find the default file.
+ * Returns 1 if loading is successful, or 0 otherwise.
+ */
+__owur int CTLOG_STORE_load_default_file(CTLOG_STORE *store);
+
+/* BEGIN ERROR CODES */
+/*
+ * The following lines are auto generated by the script mkerr.pl. Any changes
+ * made after this point may be overwritten when the script is next run.
+ */
+void ERR_load_CT_strings(void);
+
+/* Error codes for the CT functions. */
+
+/* Function codes. */
+# define CT_F_CTLOG_NEW                                   117
+# define CT_F_CTLOG_NEW_FROM_BASE64                       118
+# define CT_F_CTLOG_NEW_FROM_CONF                         119
+# define CT_F_CTLOG_NEW_NULL                              120
+# define CT_F_CTLOG_STORE_GET0_LOG_BY_ID                  121
+# define CT_F_CTLOG_STORE_LOAD_CTX_NEW                    122
+# define CT_F_CTLOG_STORE_LOAD_FILE                       123
+# define CT_F_CT_BASE64_DECODE                            124
+# define CT_F_CT_POLICY_EVAL_CTX_GET0_CERT                130
+# define CT_F_CT_POLICY_EVAL_CTX_GET0_ISSUER              131
+# define CT_F_CT_POLICY_EVAL_CTX_GET0_LOG_STORE           132
+# define CT_F_CT_POLICY_EVAL_CTX_NEW                      133
+# define CT_F_CT_POLICY_EVAL_CTX_SET0_CERT                134
+# define CT_F_CT_POLICY_EVAL_CTX_SET0_ISSUER              135
+# define CT_F_CT_POLICY_EVAL_CTX_SET0_LOG_STORE           136
+# define CT_F_CT_V1_LOG_ID_FROM_PKEY                      125
+# define CT_F_CT_VERIFY_AT_LEAST_ONE_GOOD_SCT             137
+# define CT_F_CT_VERIFY_NO_BAD_SCTS                       138
+# define CT_F_D2I_SCT_LIST                                105
+# define CT_F_I2D_SCT_LIST                                106
+# define CT_F_I2O_SCT                                     107
+# define CT_F_I2O_SCT_LIST                                108
+# define CT_F_I2O_SCT_SIGNATURE                           109
+# define CT_F_O2I_SCT                                     110
+# define CT_F_O2I_SCT_LIST                                111
+# define CT_F_O2I_SCT_SIGNATURE                           112
+# define CT_F_SCT_CTX_NEW                                 126
+# define CT_F_SCT_LIST_VALIDATE                           139
+# define CT_F_SCT_NEW                                     100
+# define CT_F_SCT_NEW_FROM_BASE64                         127
+# define CT_F_SCT_SET0_LOG_ID                             101
+# define CT_F_SCT_SET1_EXTENSIONS                         114
+# define CT_F_SCT_SET1_LOG_ID                             115
+# define CT_F_SCT_SET1_SIGNATURE                          116
+# define CT_F_SCT_SET_LOG_ENTRY_TYPE                      102
+# define CT_F_SCT_SET_SIGNATURE_NID                       103
+# define CT_F_SCT_SET_VERSION                             104
+# define CT_F_SCT_SIGNATURE_IS_VALID                      113
+# define CT_F_SCT_VALIDATE                                140
+# define CT_F_SCT_VERIFY                                  128
+# define CT_F_SCT_VERIFY_V1                               129
+
+/* Reason codes. */
+# define CT_R_BASE64_DECODE_ERROR                         108
+# define CT_R_INVALID_LOG_ID_LENGTH                       100
+# define CT_R_LOG_CONF_INVALID                            109
+# define CT_R_LOG_CONF_INVALID_KEY                        110
+# define CT_R_LOG_CONF_MISSING_DESCRIPTION                111
+# define CT_R_LOG_CONF_MISSING_KEY                        112
+# define CT_R_LOG_KEY_INVALID                             113
+# define CT_R_NOT_ENOUGH_SCTS                             116
+# define CT_R_SCT_INVALID                                 104
+# define CT_R_SCT_INVALID_SIGNATURE                       107
+# define CT_R_SCT_LIST_INVALID                            105
+# define CT_R_SCT_LOG_ID_MISMATCH                         114
+# define CT_R_SCT_NOT_SET                                 106
+# define CT_R_SCT_UNSUPPORTED_VERSION                     115
+# define CT_R_SCT_VALIDATION_STATUS_NOT_SET               117
+# define CT_R_UNRECOGNIZED_SIGNATURE_NID                  101
+# define CT_R_UNSUPPORTED_ENTRY_TYPE                      102
+# define CT_R_UNSUPPORTED_VERSION                         103
+
+#ifdef  __cplusplus
+}
+#endif
+#endif