PasswordBasedKeyDerivationFunction Class Reference

#include <pwdbased.h>

Inheritance diagram for PasswordBasedKeyDerivationFunction:

List of all members.

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Detailed Description

abstract base class for password based key derivation function

Definition at line 13 of file pwdbased.h.

Public Member Functions
virtual size_t	MaxDerivedKeyLength () const=0
virtual bool	UsesPurposeByte () const=0
virtual unsigned int	DeriveKey (byte *derived, size_t derivedLen, byte purpose, const byte *password, size_t passwordLen, const byte *salt, size_t saltLen, unsigned int iterations, double timeInSeconds=0) const =0
	derive key from password

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Member Function Documentation

virtual unsigned int PasswordBasedKeyDerivationFunction::DeriveKey	(	byte *	derived,
		size_t	derivedLen,
		byte	purpose,
		const byte *	password,
		size_t	passwordLen,
		const byte *	salt,
		size_t	saltLen,
		unsigned int	iterations,
		double	timeInSeconds = 0
	)			const [pure virtual]

derive key from password

If timeInSeconds != 0, will iterate until time elapsed, as measured by ThreadUserTimer Returns actual iteration count, which is equal to iterations if timeInSeconds == 0, and not less than iterations otherwise.

Implemented in PKCS5_PBKDF1< T >, PKCS5_PBKDF2_HMAC< T >, and PKCS12_PBKDF< T >.

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

• pwdbased.h

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