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Why would anybody use the "standard" random number generator from System.Random at all instead of always using the cryptographically secure random number generator from System.Security.Cryptography.RandomNumberGenerator (or its subclasses because RandomNumberGenerator is abstract)?
Nate Lawson tells us in his Google Tech Talk presentation "Crypto Strikes Back" at minute 13:11 not to use the "standard" random number generators from Python, Java and C# and to instead use the cryptographically secure version.
I know the difference between the two versions of random number generators (see question 101337).
But what rationale is there to not always use the secure random number generator? Why use System.Random at all? Performance perhaps?
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C is a general-purpose programming language and can efficiently work on enterprise applications, games, graphics, and applications requiring calculations, etc. C language has a rich library which provides a number of built-in functions. It also offers dynamic memory allocation.
C is a programming language that is both versatile and popular, allowing it to be used in a vast array of applications and technologies. It can, for example, be used to write the code for operating systems, much more complex programs and everything in between.
Role of Semicolon in C: Semicolons are end statements in C. The Semicolon tells that the current statement has been terminated and other statements following are new statements. Usage of Semicolon in C will remove ambiguity and confusion while looking at the code.
Speed and intent. If you're generating a random number and have no need for security, why use a slow crypto function? You don't need security, so why make someone else think that the number may be used for something secure when it won't be?
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