C# Class SecurityDriven.Inferno.CryptoRandom

Represents a *thread-safe*, cryptographically-strong, pseudo-random number generator (based on RNGCryptoServiceProvider). 2-4 times slower than System.Random (would've been 150 times slower without buffering).

Inheritance: System.Random

Mostra file Open project: sdrapkin/SecurityDriven.Inferno

Public Methods

Method	Description
Next ( ) : int	Returns a nonnegative random number.
Next ( int maxValue ) : int	Returns a nonnegative random number less than the specified maximum.
Next ( int minValue, int maxValue ) : int	Returns a random number within a specified range.
NextBytes ( int count ) : byte[]	Returns a new count-sized byte array filled with random bytes.
NextBytes ( byte buffer ) : void	Fills the elements of a specified array of bytes with random numbers.
NextBytes ( byte buffer, int offset, int count ) : void	Fills the specified byte array with a cryptographically strong random sequence of values.
NextDouble ( ) : double	Returns a random number between 0.0 and 1.0.
NextLong ( ) : long	Returns a nonnegative random number.
NextLong ( long maxValue ) : long	Returns a nonnegative random number less than the specified maximum.
NextLong ( long minValue, long maxValue ) : long	Returns a random number within a specified range.

Private Methods

Method	Description
CryptoRandom ( ) : System
GetRandomUInt ( ) : uint	Gets one random unsigned 32bit integer in a thread safe manner.
GetRandomULong ( ) : ulong	Gets one random unsigned 64bit integer in a thread safe manner.
NextBytesInternal ( ArraySegment bufferSegment ) : void
SanityCheck ( ) : void

Method Details

Next() public method

Returns a nonnegative random number.

public Next ( ) : int
return	int

Next() public method

Returns a nonnegative random number less than the specified maximum.

/// is less than zero. ///

public Next ( int maxValue ) : int
maxValue	int	The exclusive upper bound of the random number to be generated. must be greater than or equal to zero.
return	int

Next() public method

Returns a random number within a specified range.

/// is greater than . ///

public Next ( int minValue, int maxValue ) : int
minValue	int	The inclusive lower bound of the random number returned.
maxValue	int	The exclusive upper bound of the random number returned. must be greater than or equal to .
return	int

NextBytes() public method

Returns a new count-sized byte array filled with random bytes.

public NextBytes ( int count ) : byte[]
count	int	Array length.
return	byte[]

NextBytes() public method

Fills the elements of a specified array of bytes with random numbers.

/// is null. ///

public NextBytes ( byte buffer ) : void
buffer	byte	The array to fill with cryptographically strong random bytes.
return	void

NextBytes() public method

Fills the specified byte array with a cryptographically strong random sequence of values.

/// is null. ///

public NextBytes ( byte buffer, int offset, int count ) : void
buffer	byte	An array of bytes to contain random numbers.
offset	int
count	int	Number of bytes to generate (must be lte buffer.Length).
return	void

NextDouble() public method

Returns a random number between 0.0 and 1.0.

public NextDouble ( ) : double
return	double

NextLong() public method

Returns a nonnegative random number.

public NextLong ( ) : long
return	long

NextLong() public method

Returns a nonnegative random number less than the specified maximum.

/// is less than zero. ///

public NextLong ( long maxValue ) : long
maxValue	long	The exclusive upper bound of the random number to be generated. must be greater than or equal to zero.
return	long

NextLong() public method

Returns a random number within a specified range.

/// is greater than . ///

public NextLong ( long minValue, long maxValue ) : long
minValue	long	The inclusive lower bound of the random number returned.
maxValue	long	The exclusive upper bound of the random number returned. must be greater than or equal to .
return	long