Returns a pseudo-random key from a password, salt and iteration count.
Assembly: mscorlib (in mscorlib.dll)
cb is out of range. This parameter requires a non-negative number.
The Rfc2898DeriveBytes class implements PBKDF2 functionality by using a pseudorandom number generator based on HMACSHA1. The Rfc2898DeriveBytes class takes a password, a salt, and an iteration count, and then generates keys through calls to the method. Repeated calls to this method will not generate the same key; instead, appending two calls of the method with a cb parameter value of 20 is the equivalent of calling the method once with a cb parameter value of 40.
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