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src
pubkey
blinding.h
Go to the documentation of this file.
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/*
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* Blinding for public key operations
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* (C) 1999-2010 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_BLINDER_H__
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#define BOTAN_BLINDER_H__
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#include <botan/bigint.h>
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#include <botan/reducer.h>
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namespace
Botan
{
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/**
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* Blinding Function Object
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*/
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class
BOTAN_DLL
Blinder
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{
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public
:
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BigInt
blind(
const
BigInt
& x)
const
;
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BigInt
unblind(
const
BigInt
& x)
const
;
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bool
initialized
()
const
{
return
reducer
.initialized(); }
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Blinder
() {}
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/**
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* Construct a blinder
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* @param mask the forward (blinding) mask
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* @param inverse_mask the inverse of mask (depends on algo)
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* @param modulus of the group operations are performed in
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*/
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Blinder
(
const
BigInt
& mask,
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const
BigInt
& inverse_mask,
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const
BigInt
& modulus);
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private
:
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Modular_Reducer
reducer
;
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mutable
BigInt
e, d;
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};
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}
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#endif
Botan::BigInt
Definition:
bigint.h:22
reducer
Modular_Reducer reducer
Definition:
numthry.cpp:29
Botan::Blinder::initialized
bool initialized() const
Definition:
blinding.h:25
Botan
Definition:
algo_base.h:14
Botan::Blinder
Definition:
blinding.h:19
Botan::Blinder::Blinder
Blinder()
Definition:
blinding.h:27
Botan::Modular_Reducer
Definition:
reducer.h:18
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