IG.Crypto.PasswordAlgorithmDeriveBytes Class Reference

Key generation algorithm that uses a Rfc2898DeriveBytes object (PBKDF2 algorithm). More...

Inheritance diagram for IG.Crypto.PasswordAlgorithmDeriveBytes:

Collaboration diagram for IG.Crypto.PasswordAlgorithmDeriveBytes:

Public Member Functions
	PasswordAlgorithmDeriveBytes ()
	PasswordAlgorithmDeriveBytes (bool publicParameters)
Public Member Functions inherited from IG.Crypto.PasswordAlgorithmBase
virtual void	Init (bool publicParameters=false)
	Clears all data and resets the passwords/keys/salts generation algorithm. More...
virtual void	Reset ()
	Resets the password/key generator (Clears its parameters and sets the initialization flag IsInitialized to false). More...
virtual void	Init (string password, byte[] salt, int numIterations)
virtual void	Init (byte[] password, byte[] salt, int numIterations)
string	GetPasswordString ()
	If the generator has public parameters (flag IsParametersPublic) then the password string is returned. Otherwise, an InvalidOperationException is thrown. More...
byte[]	GetPasswordBytes ()
	If the generator has public parameters (flag IsParametersPublic) then the password in form of a byte array is returned. Otherwise, an InvalidOperationException is thrown. More...
string	GetSaltString ()
	If the generator has public parameters (flag IsParametersPublic) then the salt string is returned. Otherwise, an InvalidOperationException is thrown. More...
byte[]	GetSaltBytes ()
	If the generator has public parameters (flag IsParametersPublic) then the salt in form of a byte array is returned. Otherwise, an InvalidOperationException is thrown. More...
int	GetNuIterations ()
	If the generator has public parameters (flag IsParametersPublic) then the number of iterations is returned. Otherwise, an InvalidOperationException is thrown. More...
byte[]	GetLastGeneratedBytes ()
	If the generator has public parameters (flag IsParametersPublic) then the last generated key in form of a byte array is returned. Otherwise, an InvalidOperationException is thrown. More...
int	GetNuGenerations ()
	Returns the number of keys (byte sequences) generated until now. More...
void	GetBytes (int numBytes, ref byte[] outputBytes)
	Creates and stores the next generated key of the specified length. More...
byte[]	GetBytes (int numBytes)
	Creates and returns the next generated key of the specified length by calling GetBytes(int, ref byte[]). More...

Protected Member Functions
override void	InitializeExternalAlgorithm ()
	Initializes eventual external algorithm used as proxy object to perform operations. More...
override void	ClearExternalAlgorithm ()
	Clears eventual external algorithm used as proxy object to perform operations. More...
override void	GetBytesInternal (int numBytes, ref byte[] outputBytes)
	Returns the next generated key of the specified length. More...
Protected Member Functions inherited from IG.Crypto.PasswordAlgorithmBase
	PasswordAlgorithmBase (bool publicParameters=false)

Properties
PasswordDeriveBytes	ExternalAlgorithm [get, set]
	External algoritgm that will do the job. More...
Properties inherited from IG.Crypto.PasswordAlgorithmBase
bool	IsParametersPublic [get, protected set]
	Flag that specifies whether initialization parameters of the algorithm can be queried or not. More...
bool	IsInitialized [get, set]
	Flag that specifies whether the algorithm has been initialized. More...
string	PasswordString [get, set]
	Password, in form of string, to be used in generation of keys, initialization vectors, etc. More...
byte[]	PasswordBytes [get, set]
	Password, in form of byte array, to be used in generation of keys, initialization vectors, etc. More...
string	SaltString [get, set]
	Salt, in form of byte array, to be used in generation of keys, initialization vectors, etc. More...
byte[]	SaltBytes [get, set]
	Salt, in form of byte array, to be used in generation of keys, initialization vectors, etc. More...
int	NumIterations [get, set]
	Number of iteration used when generating keys. More...
byte[]	LastGeneratedBytes [get, set]
	Last value of the generated bytes. More...
int	NumGenerations [get, set]
	Number of generated keys (byte sequences) up to now. More...

Private Attributes
PasswordDeriveBytes	_externalAlgorithm

Additional Inherited Members
Protected Attributes inherited from IG.Crypto.PasswordAlgorithmBase
int	_numIterations = 0
int	_numGenerations = 0

Detailed Description

Key generation algorithm that uses a Rfc2898DeriveBytes object (PBKDF2 algorithm).

$A Igor Jun15;

Constructor & Destructor Documentation

IG.Crypto.PasswordAlgorithmDeriveBytes.PasswordAlgorithmDeriveBytes ( )

inline

IG.Crypto.PasswordAlgorithmDeriveBytes.PasswordAlgorithmDeriveBytes ( bool  publicParameters )

inline

Member Function Documentation

override void IG.Crypto.PasswordAlgorithmDeriveBytes.InitializeExternalAlgorithm ( )

inlineprotectedvirtual

Initializes eventual external algorithm used as proxy object to perform operations.

Implements IG.Crypto.PasswordAlgorithmBase.

override void IG.Crypto.PasswordAlgorithmDeriveBytes.ClearExternalAlgorithm ( )

inlineprotectedvirtual

Clears eventual external algorithm used as proxy object to perform operations.

Implements IG.Crypto.PasswordAlgorithmBase.

override void IG.Crypto.PasswordAlgorithmDeriveBytes.GetBytesInternal ( int  numBytes, ref byte[]  outputBytes  )

inlineprotectedvirtual

Returns the next generated key of the specified length.

WARNING: This algorithm is weaker than the PasswordAlgorithmRfc2898.

Implements IG.Crypto.PasswordAlgorithmBase.

Member Data Documentation

PasswordDeriveBytes IG.Crypto.PasswordAlgorithmDeriveBytes._externalAlgorithm

private

Property Documentation

PasswordDeriveBytes IG.Crypto.PasswordAlgorithmDeriveBytes.ExternalAlgorithm

getsetprotected

External algoritgm that will do the job.

---

The documentation for this class was generated from the following file:

• igbase/utilities/UtilCryptoAux.cs