New sentence, new line.

Fix markup

branches: 1.4.2; 1.4.6; 1.4.8;
Remove trailing whitespace. Fix formatting. Remove superfluous .Pp.

Improve with information provided by Joerg.

There are some formatting errors, someone with mandoc clue please correct.

Also, this man page assumes familiarity with the concepts uesd.
While fully describing these concepts is outside the scope of this
man page, a pointer to such a description should be included.
Someone who knows of such a description, please provide pointers.

Finally, we should have a companion tool to create the peaces needed
to use this tool: set up a CA, create a certificate chain and a
private key/certificate pair for signing.

Formatting improvements. Use standard headers and macros.
Fix typos. Bump date for import.

branches: 1.1.2;
Add nbsvtool, a simple and small program to create and verify detached
PKCS7 signatures. This was written by lha@ and discussed on
tech-security. I've slightly cleaned up the program and man page.
Contrary to the original version, this doesn't provide a default trust
anchor.