X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=doc%2Fman3%2FCT_POLICY_EVAL_CTX_new.pod;h=f068fde62684d2d0809b539e58edd3849fba408c;hp=37f3ed598a0e193ff97063faf81cd6d0baf3ae43;hb=b524b808a1d1ba204dbdcbb42de4e3bddb3472ac;hpb=b97fdb57a269656fa20024a4404d3f543f06ac61

diff --git a/doc/man3/CT_POLICY_EVAL_CTX_new.pod b/doc/man3/CT_POLICY_EVAL_CTX_new.pod
index 37f3ed598a..f068fde626 100644
--- a/doc/man3/CT_POLICY_EVAL_CTX_new.pod
+++ b/doc/man3/CT_POLICY_EVAL_CTX_new.pod
@@ -5,7 +5,8 @@
 CT_POLICY_EVAL_CTX_new, CT_POLICY_EVAL_CTX_free,
 CT_POLICY_EVAL_CTX_get0_cert, CT_POLICY_EVAL_CTX_set1_cert,
 CT_POLICY_EVAL_CTX_get0_issuer, CT_POLICY_EVAL_CTX_set1_issuer,
-CT_POLICY_EVAL_CTX_get0_log_store, CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE -
+CT_POLICY_EVAL_CTX_get0_log_store, CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE,
+CT_POLICY_EVAL_CTX_get_time, CT_POLICY_EVAL_CTX_set_time -
 Encapsulates the data required to evaluate whether SCTs meet a Certificate Transparency policy
 
 =head1 SYNOPSIS
@@ -19,22 +20,36 @@ Encapsulates the data required to evaluate whether SCTs meet a Certificate Trans
  X509* CT_POLICY_EVAL_CTX_get0_issuer(const CT_POLICY_EVAL_CTX *ctx);
  int CT_POLICY_EVAL_CTX_set1_issuer(CT_POLICY_EVAL_CTX *ctx, X509 *issuer);
  const CTLOG_STORE *CT_POLICY_EVAL_CTX_get0_log_store(const CT_POLICY_EVAL_CTX *ctx);
- void CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(CT_POLICY_EVAL_CTX *ctx, CTLOG_STORE *log_store);
+ void CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(CT_POLICY_EVAL_CTX *ctx,
+                                                CTLOG_STORE *log_store);
+ uint64_t CT_POLICY_EVAL_CTX_get_time(const CT_POLICY_EVAL_CTX *ctx);
+ void CT_POLICY_EVAL_CTX_set_time(CT_POLICY_EVAL_CTX *ctx, uint64_t time_in_ms);
 
 =head1 DESCRIPTION
 
 A B<CT_POLICY_EVAL_CTX> is used by functions that evaluate whether Signed
 Certificate Timestamps (SCTs) fulfil a Certificate Transparency (CT) policy.
 This policy may be, for example, that at least one valid SCT is available. To
-determine this, an SCT's signature must be verified. This requires:
+determine this, an SCT's timestamp and signature must be verified.
+This requires:
 
-=over
+=over 2
 
-=item * the public key of the log that issued the SCT
+=item *
 
-=item * the certificate that the SCT was issued for
+the public key of the log that issued the SCT
 
-=item * the issuer certificate (if the SCT was issued for a pre-certificate)
+=item *
+
+the certificate that the SCT was issued for
+
+=item *
+
+the issuer certificate (if the SCT was issued for a pre-certificate)
+
+=item *
+
+the current time
 
 =back
 
@@ -43,21 +58,38 @@ The above requirements are met using the setters described below.
 CT_POLICY_EVAL_CTX_new() creates an empty policy evaluation context. This
 should then be populated using:
 
-=over
+=over 2
+
+=item *
 
-=item * CT_POLICY_EVAL_CTX_set1_cert() to provide the certificate the SCTs were issued for
+CT_POLICY_EVAL_CTX_set1_cert() to provide the certificate the SCTs were issued for
 
 Increments the reference count of the certificate.
 
-=item * CT_POLICY_EVAL_CTX_set1_issuer() to provide the issuer certificate
+=item *
+
+CT_POLICY_EVAL_CTX_set1_issuer() to provide the issuer certificate
 
 Increments the reference count of the certificate.
 
-=item * CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE() to provide a list of logs that are trusted as sources of SCTs
+=item *
+
+CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE() to provide a list of logs that are trusted as sources of SCTs
 
 Holds a pointer to the CTLOG_STORE, so the CTLOG_STORE must outlive the
 CT_POLICY_EVAL_CTX.
 
+=item *
+
+CT_POLICY_EVAL_CTX_set_time() to set the time SCTs should be compared with to determine if they are valid
+
+The SCT timestamp will be compared to this time to check whether the SCT was
+issued in the future. RFC6962 states that "TLS clients MUST reject SCTs whose
+timestamp is in the future". By default, this will be set to 5 minutes in the
+future (e.g. (time() + 300) * 1000), to allow for clock drift.
+
+The time should be in milliseconds since the Unix epoch.
+
 =back
 
 Each setter has a matching getter for accessing the current value.