PBKDF2 from PKCS #5, T should be a HashTransformation class. More...
#include <pwdbased.h>
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=0) const |
derive key from password |
PBKDF2 from PKCS #5, T should be a HashTransformation class.
Definition at line 38 of file pwdbased.h.
unsigned int PKCS5_PBKDF2_HMAC< 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 = 0 | |||
) | const [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.
Implements PasswordBasedKeyDerivationFunction.
Definition at line 86 of file pwdbased.h.
References HashTransformation::CalculateDigest(), HMAC_Base::DigestSize(), HashTransformation::Final(), and HMAC_Base::Update().