Crypto++  5.6.3
Free C++ class library of cryptographic schemes
Public Member Functions | List of all members
PasswordBasedKeyDerivationFunction Class Referenceabstract

abstract base class for password based key derivation function More...

+ Inheritance diagram for PasswordBasedKeyDerivationFunction:

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 More...

Detailed Description

abstract base class for password based key derivation function

Definition at line 14 of file pwdbased.h.

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

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