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-rw-r--r--doc/apps/pkcs7.pod12
1 files changed, 12 insertions, 0 deletions
diff --git a/doc/apps/pkcs7.pod b/doc/apps/pkcs7.pod
index b721e395a2..4e9bd6e46b 100644
--- a/doc/apps/pkcs7.pod
+++ b/doc/apps/pkcs7.pod
@@ -71,6 +71,18 @@ Output all certificates in a file:
openssl pkcs7 -in file.pem -print_certs -out certs.pem
+=head1 NOTES
+
+The PEM PKCS#7 format uses the header and footer lines:
+
+ -----BEGIN PKCS7-----
+ -----END PKCS7-----
+
+For compatability with some CAs it will also accept:
+
+ -----BEGIN CERTIFICATE-----
+ -----END CERTIFICATE-----
+
=head1 RESTRICTIONS
There is no option to print out all the fields of a PKCS#7 file.