rsa: document deprecated RSA command line apps

Reviewed-by: Richard Levitte <[email protected]>
(Merged from openssl#11063)

Author: paulidale

doc/man1/openssl-genrsa.pod.in

@@ -36,6 +36,9 @@ B<openssl> B<genrsa>
 
 =head1 DESCRIPTION
 
+This command has been deprecated.
+The L<openssl-genpkey(1)> command should be used instead.
+
 This command generates an RSA private key.
 
 =head1 OPTIONS
@@ -106,8 +109,13 @@ of a key.
 =head1 SEE ALSO
 
 L<openssl(1)>,
+L<openssl-genpkey(1)>,
 L<openssl-gendsa(1)>
 
+=head1 HISTORY
+
+This command was deprecated in OpenSSL 3.0.
+
 =head1 COPYRIGHT
 
 Copyright 2000-2019 The OpenSSL Project Authors. All Rights Reserved.

doc/man1/openssl-rsa.pod.in

@@ -45,6 +45,9 @@ B<openssl> B<rsa>
 
 =head1 DESCRIPTION
 
+This command has been deprecated.
+The L<openssl-pkey(1)> command should be used instead.
+
 This command processes RSA keys. They can be converted between
 various forms and their components printed out. B<Note> this command uses the
 traditional SSLeay compatible format for private key encryption: newer
@@ -169,11 +172,16 @@ without having to manually edit them.
 =head1 SEE ALSO
 
 L<openssl(1)>,
+L<openssl-pkey(1)>,
 L<openssl-pkcs8(1)>,
 L<openssl-dsa(1)>,
 L<openssl-genrsa(1)>,
 L<openssl-gendsa(1)>
 
+=head1 HISTORY
+
+This command was deprecated in OpenSSL 3.0.
+
 =head1 COPYRIGHT
 
 Copyright 2000-2019 The OpenSSL Project Authors. All Rights Reserved.

doc/man1/openssl-rsautl.pod.in

@@ -38,6 +38,9 @@ B<openssl> B<rsautl>
 
 =head1 DESCRIPTION
 
+This command has been deprecated.
+The L<openssl-pkeyutl(1)> command should be used instead.
+
 This command can be used to sign, verify, encrypt and decrypt
 data using the RSA algorithm.
 
@@ -219,10 +222,15 @@ which it can be seen agrees with the recovered value above.
 =head1 SEE ALSO
 
 L<openssl(1)>,
+L<openssl-pkeyutl(1)>,
 L<openssl-dgst(1)>,
 L<openssl-rsa(1)>,
 L<openssl-genrsa(1)>
 
+=head1 HISTORY
+
+This command was deprecated in OpenSSL 3.0.
+
 =head1 COPYRIGHT
 
 Copyright 2000-2019 The OpenSSL Project Authors. All Rights Reserved.