[Qt-interest] QCA big string encryption

[Nicholas Shatokhin]

So, can I use it in my program without using eternal soft, only by Qt  
tools? How can I generate PGP keys in QCA?


Mon, 25 Apr 2011 03:01:14 +0300 було написано Brad Hards  
<bradh at frogmouth.net>:

> On Mon, 25 Apr 2011 07:46:37 am Jeroen De Wachter wrote:
>> PGP is a program (or suite, if you will) that provides access to the
>> same algorithms that QCA uses... so it will not make things inherently
>> more secure.
> In this case, I think PGP is a much better choice than what you (appear)  
> to be
> trying to do. CMS is also an option. SSL/TLS may also work.
>
> Its a common mistake to invent crypto. Lots of people have tried, and  
> most of
> those people get it wrong. Its just too easy to make a mistake. Use  
> existing
> tools wherever possible. Don't use low level algorithms like AES/3DES,  
> hashing
> or asymmetric crypto unless you _know_ what you are doing.
>
>> However, I don't know if PGP (or GnuPG) has an API you can easily talk
>> to...
> There is a GnuPG "machine" interface that is used by a couple of tools,
> including by QCA. Look for the QCA::SecureMessage class. There isn't a  
> canned
> example, but this is tested through the qcatool demo application.
>
> HTH
>
> Brad


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