* CT policy evaluation context functions *
******************************************/
-/* Creates a new, empty policy evaluation context */
+/*
+ * Creates a new, empty policy evaluation context.
+ * The caller is responsible for calling CT_POLICY_EVAL_CTX_free when finished
+ * with the CT_POLICY_EVAL_CTX.
+ */
CT_POLICY_EVAL_CTX *CT_POLICY_EVAL_CTX_new(void);
-/* Deletes a policy evaluation context */
+/* Deletes a policy evaluation context and anything it owns. */
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);
+/*
+ * Sets the certificate associated with the received SCTs.
+ * Increments the reference count of cert.
+ * Returns 1 on success, 0 otherwise.
+ */
+int CT_POLICY_EVAL_CTX_set1_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);
+/*
+ * Sets the issuer of the certificate associated with the received SCTs.
+ * Increments the reference count of issuer.
+ * Returns 1 on success, 0 otherwise.
+ */
+int CT_POLICY_EVAL_CTX_set1_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);
+/* Sets the log store that is in use. It must outlive the CT_POLICY_EVAL_CTX. */
+void CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(CT_POLICY_EVAL_CTX *ctx,
+ CTLOG_STORE *log_store);
+
+/*
+ * Gets the time, in milliseconds since the Unix epoch, that will be used as the
+ * current time when checking whether an SCT was issued in the future.
+ * Such SCTs will fail validation, as required by RFC6962.
+ */
+uint64_t CT_POLICY_EVAL_CTX_get_time(const CT_POLICY_EVAL_CTX *ctx);
+
+/*
+ * Sets the time to evaluate SCTs against, in milliseconds since the Unix epoch.
+ * If an SCT's timestamp is after this time, it will be interpreted as having
+ * been issued in the future. RFC6962 states that "TLS clients MUST reject SCTs
+ * whose timestamp is in the future", so an SCT will not validate in this case.
+ */
+void CT_POLICY_EVAL_CTX_set_time(CT_POLICY_EVAL_CTX *ctx, uint64_t time_in_ms);
/*****************
* SCT functions *
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.
/*
* Validates the given list of SCTs with the provided context.
- * Populates the "good_scts" and "bad_scts" of the evaluation context.
+ * Sets the "validation_status" field of each SCT.
* 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.
*/
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 containing 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|.
+ * Takes ownership of |public_key| but copies |name|.
+ * Returns NULL if malloc fails or if |public_key| cannot be converted to DER.
* 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 CT |ct_log| instance with the given base64 public_key and |name|.
+ * Creates a new CTLOG instance with the base64-encoded SubjectPublicKeyInfo DER
+ * in |pkey_base64|. The |name| is a string to help users identify this log.
+ * Returns 1 on success, 0 on failure.
* Should be deleted by the caller using CTLOG_free when no longer needed.
*/
int CTLOG_new_from_base64(CTLOG ** ct_log,
# 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_LOAD_CTX_NEW 122
# define CT_F_CTLOG_STORE_LOAD_FILE 123
# define CT_F_CTLOG_STORE_LOAD_LOG 130
# 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_CTX_VERIFY 128
# 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_SET_LOG_ENTRY_TYPE 102
# define CT_F_SCT_SET_SIGNATURE_NID 103
# define CT_F_SCT_SET_VERSION 104
-# 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_LOG_CONF_MISSING_DESCRIPTION 111
# define CT_R_LOG_CONF_MISSING_KEY 112
# define CT_R_LOG_KEY_INVALID 113
+# define CT_R_SCT_FUTURE_TIMESTAMP 116
# define CT_R_SCT_INVALID 104
# define CT_R_SCT_INVALID_SIGNATURE 107
# define CT_R_SCT_LIST_INVALID 105
projects / openssl.git / blobdiff