This adds the infrastructure for reading and writing encrypted private keys
when using non-OpenSSL backends. Each platform must provide its cryptographic
encrypt / decrypt functions.
As WinRT already uses the common parser, this commit includes an
implementation for that platform.
Done-with: Andrew Knight <andrew.knight@digia.com>
Task-number: QTBUG-40688
Change-Id: I0d153425ce63601ff03b784a111e13962061025f
Reviewed-by: Richard J. Moore <rich@kde.org>
