Crypto++  5.6.3
Free C++ class library of cryptographic schemes
Public Member Functions | List of all members
PKCS12_PBKDF< T > Class Template Reference

PBKDF from PKCS #12, appendix B, T should be a HashTransformation class. More...

+ Inheritance diagram for PKCS12_PBKDF< T >:

Public Member Functions

size_t MaxDerivedKeyLength () const
bool UsesPurposeByte () const
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) const
 derive key from password More...

Detailed Description

template<class T>
class PKCS12_PBKDF< T >

PBKDF from PKCS #12, appendix B, T should be a HashTransformation class.

Definition at line 148 of file pwdbased.h.

Member Function Documentation

template<class T >
unsigned int PKCS12_PBKDF< T >::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 
) const

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.

Implements PasswordBasedKeyDerivationFunction.

Definition at line 157 of file pwdbased.h.

References memcpy_s(), RoundUpToMultipleOf(), SecBlock< T, A >::size(), and STDMIN().

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