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wid_wake
wid_wake.h
Go to the documentation of this file.
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/*
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* WiderWake
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* (C) 1999-2008 Jack Lloyd
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*
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* Distributed under the terms of the Botan license
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*/
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#ifndef BOTAN_WIDER_WAKE_H__
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#define BOTAN_WIDER_WAKE_H__
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#include <botan/stream_cipher.h>
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namespace
Botan
{
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/**
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* WiderWake4+1-BE
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*
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* Note: quite old and possibly not safe; use XSalsa20 or a block
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* cipher in counter mode.
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*/
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class
BOTAN_DLL
WiderWake_41_BE
:
public
StreamCipher
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{
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public
:
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void
cipher(
const
byte
[],
byte
[],
size_t
);
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void
set_iv(
const
byte
[],
size_t
);
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bool
valid_iv_length
(
size_t
iv_len)
const
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{
return
(iv_len == 8); }
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Key_Length_Specification
key_spec
()
const
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{
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return
Key_Length_Specification
(16);
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}
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void
clear();
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std::string
name
()
const
{
return
"WiderWake4+1-BE"
; }
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StreamCipher
*
clone
()
const
{
return
new
WiderWake_41_BE
; }
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WiderWake_41_BE
() : T(256),
state
(5), t_key(4),
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buffer(DEFAULT_BUFFERSIZE), position(0)
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{}
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private
:
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void
key_schedule(
const
byte
[],
size_t
);
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void
generate(
size_t
);
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SecureVector<u32bit>
T;
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SecureVector<u32bit>
state
;
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SecureVector<u32bit>
t_key;
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SecureVector<byte>
buffer;
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size_t
position;
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};
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}
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#endif
Botan::WiderWake_41_BE
Definition:
wid_wake.h:21
Botan::Key_Length_Specification
Definition:
key_spec.h:18
Botan::WiderWake_41_BE::key_spec
Key_Length_Specification key_spec() const
Definition:
wid_wake.h:30
Botan::byte
unsigned char byte
Definition:
types.h:22
state
RC4_KEY state
Definition:
ossl_arc4.cpp:39
Botan::StreamCipher
Definition:
stream_cipher.h:18
Botan::WiderWake_41_BE::WiderWake_41_BE
WiderWake_41_BE()
Definition:
wid_wake.h:39
Botan
Definition:
algo_base.h:14
Botan::WiderWake_41_BE::clone
StreamCipher * clone() const
Definition:
wid_wake.h:37
Botan::SecureVector< u32bit >
Botan::WiderWake_41_BE::name
std::string name() const
Definition:
wid_wake.h:36
Botan::WiderWake_41_BE::valid_iv_length
bool valid_iv_length(size_t iv_len) const
Definition:
wid_wake.h:27
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