Clarify docs.

[oweals/openssl.git] / doc / apps / verify.pod

diff --git a/doc/apps/verify.pod b/doc/apps/verify.pod
index b7988673708d63058d1256365400fa3dc064089c..3985d2c5791b9b956da62c753fa26bb8172ee945 100644 (file)
--- a/doc/apps/verify.pod
+++ b/doc/apps/verify.pod
@@ -171,8 +171,8 @@ the operation was successful.
 
 =item B<2 X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT: unable to get issuer certificate>
 
-the issuer certificate could not be found: this occurs if the issuer certificate
-of an untrusted certificate cannot be found.
+the issuer certificate of a looked up certificate could not be found. This
+normally means the list of trusted certificates is not complete.
 
 =item B<3 X509_V_ERR_UNABLE_TO_GET_CRL: unable to get certificate CRL>
 
@@ -249,8 +249,8 @@ be found locally.
 
 =item B<20 X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY: unable to get local issuer certificate>
 
-the issuer certificate of a locally looked up certificate could not be found. This normally means
-the list of trusted certificates is not complete.
+the issuer certificate could not be found: this occurs if the issuer
+certificate of an untrusted certificate cannot be found.
 
 =item B<21 X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE: unable to verify the first certificate>
 
@@ -317,7 +317,7 @@ an application specific error. Unused.
 
 =head1 BUGS
 
-Although the issuer checks are a considerably improvement over the old technique they still
+Although the issuer checks are a considerable improvement over the old technique they still
 suffer from limitations in the underlying X509_LOOKUP API. One consequence of this is that
 trusted certificates with matching subject name must either appear in a file (as specified by the
 B<-CAfile> option) or a directory (as specified by B<-CApath>. If they occur in both then only
@@ -326,6 +326,10 @@ the certificates in the file will be recognised.
 Previous versions of OpenSSL assume certificates with matching subject name are identical and
 mishandled them.
 
+Previous versions of this documentation swapped the meaning of the
+B<X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT> and
+B<20 X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY> error codes.
+
 =head1 SEE ALSO
 
 L<x509(1)|x509(1)>