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How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
...R modulus,
INTEGER publicExponent
}
Now they created SubjectPublicKeyInfo which is basically:
public struct SubjectPublicKeyInfo {
AlgorithmIdentifier algorithm,
RSAPublicKey subjectPublicKey
}
In actual DER ASN.1 definition is:
SubjectPublicKeyInfo ::= SEQUENCE {
algorithm :...
How do popular apps authenticate user requests from their mobile app to their server?
...n performed by an Authorization Server, as well as to obtain basic profile information about the End-User in an interoperable and REST-like manner.
While user authentication may let the API server know WHO is using the API, it cannot guarantee that the requests have originated from WHAT you expect,...
How to “perfectly” override a dict?
...
My requirements were a bit stricter:
I had to retain case info (the strings are paths to files displayed to the user, but it's a windows app so internally all operations must be case insensitive)
I needed keys to be as small as possible (it did make a difference in memory performanc...
PHP Session Fixation / Hijacking
... That means any of the following:
User authentication
Storing sensitive info in the session
Changing anything about the session
etc...
Session Hijacking
This is where an attacker gets a hold of a session identifier and is able to send requests as if they were that user. That means that since...
What are the main performance differences between varchar and nvarchar SQL Server data types?
...om of the crowd" theory that drives vote-based forums. There's too much misinformation out there. For example, this on DBA.SE. The other answer, accepted before I posted mine, is "correct" by the narrowest of definitions, misleading, and contains info that I disprove in mine, yet it still outpaces m...
What does the brk() system call do?
...ut brk/sbrk?
Why does calling sbrk(0) twice give a different value?
More info
Internally, the kernel decides if the process can have that much memory, and earmarks memory pages for that usage.
This explains how the stack compares to the heap: What is the function of the push / pop instructions u...
Why does changing 0.1f to 0 slow down performance by 10x?
...
@fig: 1<<11 is for the Underflow Mask. More info here: softpixel.com/~cwright/programming/simd/sse.php
– German Garcia
Feb 26 '14 at 16:29
...
AngularJS ui-router login authentication
..., and upon request, it can resolve an object that represents the essential information about the user's identity. This can be whatever you need, but the essentials would be a display name, a username, possibly an email, and the roles a user belongs to (if this applies to your app). Principal also ha...
What are the underlying data structures used for Redis?
...nd are O(log(N)) data structures.
Conclusion
I hope that I provided some info in this post, but it is far better to download the source code of lamernews from http://github.com/antirez/lamernews and understand how it works. Many data structures from Redis are used inside Lamer News, and there are ...
How can I extract embedded fonts from a PDF as valid font files?
... which more recently was renamed to mutool. These support the sub-commands info, clean, extract, poster and show. Unfortunatey, the official documentation for these tools isn't up to date (yet). If you're on a Mac using 'MacPorts': then the utility was renamed in order to avoid name clashes with oth...