#include <pbkdf.h>

Inheritance diagram for Botan::PBKDF:

Public Member Functions
void	clear ()
virtual PBKDF *	clone () const =0
virtual OctetString	derive_key (size_t output_len, const std::string &passphrase, const byte salt[], size_t salt_len, size_t iterations) const =0
virtual std::string	name () const =0

Detailed Description

Base class for PBKDF (password based key derivation function) implementations. Converts a password into a key using a salt and iterated hashing to make brute force attacks harder.

Definition at line 21 of file pbkdf.h.

Member Function Documentation

◆ clear()

void Botan::PBKDF::clear ( )

inlinevirtual

Zeroize internal state

Implements Botan::Algorithm.

Definition at line 30 of file pbkdf.h.

30{}

◆ clone()

virtual PBKDF * Botan::PBKDF::clone ( ) const

pure virtual

Returns: new instance of this same algorithm

Implemented in Botan::OpenPGP_S2K, Botan::PKCS5_PBKDF1, and Botan::PKCS5_PBKDF2.

Referenced by Botan::Algorithm_Factory::make_pbkdf().

◆ derive_key()

virtual OctetString Botan::PBKDF::derive_key	(	size_t	output_len,
		const std::string &	passphrase,
		const byte	salt[],
		size_t	salt_len,
		size_t	iterations ) const

pure virtual

Derive a key from a passphrase

Parameters

output_len	the desired length of the key to produce
passphrase	the password to derive the key from
salt	a randomly chosen salt
salt_len	length of salt in bytes
iterations	the number of iterations to use (use 10K or more)

Implemented in Botan::OpenPGP_S2K, Botan::PKCS5_PBKDF1, and Botan::PKCS5_PBKDF2.

◆ name()

virtual std::string Botan::Algorithm::name ( ) const

pure virtualinherited

Returns: name of this algorithm

Implemented in Botan::Adler32, Botan::AES_128, Botan::AES_128_NI, Botan::AES_128_SSSE3, Botan::AES_192, Botan::AES_192_NI, Botan::AES_192_SSSE3, Botan::AES_256, Botan::AES_256_NI, Botan::AES_256_SSSE3, Botan::ANSI_X919_MAC, Botan::ARC4, Botan::Blowfish, Botan::BMW_512, Botan::Camellia_128, Botan::Camellia_192, Botan::Camellia_256, Botan::Cascade_Cipher, Botan::CAST_128, Botan::CAST_256, Botan::CBC_MAC, Botan::CMAC, Botan::Comb4P, Botan::CRC24, Botan::CRC32, Botan::CTR_BE, Botan::DES, Botan::DESX, Botan::GOST_28147_89, Botan::GOST_34_11, Botan::HAS_160, Botan::HMAC, Botan::IDEA, Botan::KASUMI, Botan::KDF1, Botan::KDF2, Botan::Keccak_1600, Botan::Lion, Botan::LubyRackoff, Botan::MARS, Botan::MD2, Botan::MD4, Botan::MD5, Botan::MessageAuthenticationCode, Botan::MISTY1, Botan::Noekeon, Botan::OFB, Botan::OpenPGP_S2K, Botan::Parallel, Botan::PKCS5_PBKDF1, Botan::PKCS5_PBKDF2, Botan::RC2, Botan::RIPEMD_128, Botan::RIPEMD_160, Botan::SAFER_SK, Botan::Salsa20, Botan::SEED, Botan::Serpent, Botan::SHA_160, Botan::SHA_224, Botan::SHA_256, Botan::SHA_384, Botan::SHA_512, Botan::Skein_512, Botan::Skipjack, Botan::Square, Botan::SSL3_MAC, Botan::SSL3_PRF, Botan::TEA, Botan::Tiger, Botan::TLS_12_PRF, Botan::TLS_PRF, Botan::TripleDES, Botan::Turing, Botan::Twofish, Botan::Whirlpool, Botan::WiderWake_41_BE, Botan::X942_PRF, and Botan::XTEA.

Referenced by Botan::Algorithm_Factory::add_block_cipher(), Botan::Algorithm_Factory::add_hash_function(), Botan::Algorithm_Factory::add_pbkdf(), Botan::Algorithm_Factory::add_stream_cipher(), Botan::choose_sig_format(), Botan::PBE_PKCS5v15::PBE_PKCS5v15(), Botan::PBE_PKCS5v20::PBE_PKCS5v20(), Botan::StreamCipher::set_iv(), and Botan::SymmetricAlgorithm::set_key().

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