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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for March 3rd, 2020

The Toxic Smog of the Information Age | Literary Hub

Posted by jpluimers on 2020/03/03

From 5 years ago, but now more relevant than it ever was: [WayBack] The Toxic Smog of the Information Age | Literary Hub

SCROOGLED

Give me six lines written by the most honorable of men, and I will find an excuse in them to hang him. –Cardinal Richelieu

We don’t know enough about you. –Google CEO Eric Schmidt

Via:

–jeroen

Posted in History, Opinions, Security | Leave a Comment »

Use SetString if your source memory reagion with characters is not null-terminated…

Posted by jpluimers on 2020/03/03

Too many people forget this (including myself) every now and then) so here is a reminder to use the [WayBackSetString method when assigning strings from memory regions having characters but no null terminator:

Anyway, assuming that you use a Unicode Delphi you want to use SetString in its place:

SetString(password, PWideChar(Credential.CredentialBlob), Credential.CredentialBlobSize div 2);

It was by David Heffernan commenting on [WayBack] I have this code sample on StackOverflow using a function WideCharToWideString… I can’t seem to find anything on this function… – Nils Guillermin – Google+.

Note that like the above Delphi 2009 link (where it is a WideChar function to Unicode string conversion function), it was also available in Delphi 2007 and earlier as [WayBack] SetString.

–jeroen

 

Posted in Delphi, Development, Software Development | Leave a Comment »

Very nice “Appendix A. Introduction to TCP/IP security” on digests, hashing, encryption, asymetric/symmetric, VPN and much more

Posted by jpluimers on 2020/03/03

For me this is still a primary starting point in case I need to know something about security which has clear pictures: [WayBack] Appendix A. Introduction to TCP/IP security (sg245383.pdf/ftp://ftp.www.ibm.com/…/sg245383.pdf, thanks to Jac Las) all on one web page.

The links are to the “Digital signatures” portion, as that’s what I needed at the time, but they are just anchors in the page.

These were the diagrams I was after:

If you want much more in-depth slide then, then go for [WayBackCryptography, from Theory to Practice which you can find back searching for IBM “Cryptography, from Theory to Practice” or “sign then hash” or “hash then sign”.

It is very different from the equally interesting presentation

–jeroen

Posted in Development, Encryption, Power User, Security, Software Development | 2 Comments »

 
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