and verify rather than direct encrypt/decrypt.

insert spaces in products that occur in error codes

openssl rsa -check

script, translates function codes better and doesn't need the K&R function
prototypes to work (NB. the K&R prototypes can't be wiped just yet: they are
still needed by the DEF generator...). I also ran the script with the -rewrite
option to update all the header and source files.

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PR:

Submitted by: Ulf Moeller <ulf@fitug.de>