X-Git-Url: https://git.openssl.org/?p=openssl.git;a=blobdiff_plain;f=doc%2Fman1%2Freq.pod;h=5ac629aa4449837f3db83ab80d0e56ee7af319e1;hp=83b5704bd979e1a3c454ca6baa0c81e645ccef88;hb=7bb89f094de0fb544df77e5afca82ade9b413f7d;hpb=caee75d2c66221a5c519f881ba216af9bd240c35

diff --git a/doc/man1/req.pod b/doc/man1/req.pod
index 83b5704bd9..5ac629aa44 100644
--- a/doc/man1/req.pod
+++ b/doc/man1/req.pod
@@ -37,6 +37,7 @@ B<openssl> B<req>
 [B<-newhdr>]
 [B<-extensions section>]
 [B<-reqexts section>]
+[B<-precert>]
 [B<-utf8>]
 [B<-nameopt>]
 [B<-reqopt>]
@@ -253,6 +254,14 @@ request extensions. This allows several different sections to
 be used in the same configuration file to specify requests for
 a variety of purposes.
 
+=item B<-precert>
+
+a poison extension will be added to the certificate, making it a
+"pre-certificate" (see RFC6962). This can be submitted to Certificate
+Transparency logs in order to obtain signed certificate timestamps (SCTs).
+These SCTs can then be embedded into the pre-certificate as an extension, before
+removing the poison and signing the certificate.
+
 =item B<-utf8>
 
 this option causes field values to be interpreted as UTF8 strings, by