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Have a look in the demos/encrypt folder:
<a class="moz-txt-link-freetext" href="https://github.openssl.org/openssl/openssl/tree/master/demos/encrypt">https://github.openssl.org/openssl/openssl/tree/master/demos/encrypt</a><br>
<br>
There has been an amount of effort put into updating these for 3.0
& later. There is more to do.<br>
<br>
<br>
Pauli<br>
<br>
<div class="moz-cite-prefix">On 10/4/22 23:50, Kenneth Goldman
wrote:<br>
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<p class="MsoNormal" style="margin-left:.5in">Anyway, I'm
trying to encrypt/decrypt using RSA and DES schemes. I've
tried some of the older code examples I could find, but
some of the functions weren't recognized by my header
files.<o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"DejaVu
Sans",sans-serif">[kgold] You cannot encrypt long
streams with RSA. DES is deprecated.<o:p></o:p></span></p>
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<p class="MsoNormal" style="margin-left:.5in">Can anyone
help me with this? I want to encrypt fairly long
strings. A few hundred bytes or so. Maybe longer. If I
can do a continuous stream of blocks that would be great,
as well.<o:p></o:p></p>
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<p class="MsoNormal"><b><i><o:p> </o:p></i></b></p>
<p class="MsoNormal"><span style="font-family:"DejaVu
Sans",sans-serif">[kgold] Post a short example that
did not work.<o:p></o:p></span></p>
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