/usr/include/botan-1.10/botan/dl_algo.h is in libbotan1.10-dev 1.10.16-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* DL Scheme
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_DL_ALGO_H__
#define BOTAN_DL_ALGO_H__
#include <botan/dl_group.h>
#include <botan/x509_key.h>
#include <botan/pkcs8.h>
namespace Botan {
/**
* This class represents discrete logarithm (DL) public keys.
*/
class BOTAN_DLL DL_Scheme_PublicKey : public virtual Public_Key
{
public:
bool check_key(RandomNumberGenerator& rng, bool) const;
AlgorithmIdentifier algorithm_identifier() const;
MemoryVector<byte> x509_subject_public_key() const;
/**
* Get the DL domain parameters of this key.
* @return DL domain parameters of this key
*/
const DL_Group& get_domain() const { return group; }
/**
* Get the public value y with y = g^x mod p where x is the secret key.
*/
const BigInt& get_y() const { return y; }
/**
* Get the prime p of the underlying DL group.
* @return prime p
*/
const BigInt& group_p() const { return group.get_p(); }
/**
* Get the prime q of the underlying DL group.
* @return prime q
*/
const BigInt& group_q() const { return group.get_q(); }
/**
* Get the generator g of the underlying DL group.
* @return generator g
*/
const BigInt& group_g() const { return group.get_g(); }
/**
* Get the underlying groups encoding format.
* @return encoding format
*/
virtual DL_Group::Format group_format() const = 0;
DL_Scheme_PublicKey(const AlgorithmIdentifier& alg_id,
const MemoryRegion<byte>& key_bits,
DL_Group::Format group_format);
protected:
DL_Scheme_PublicKey() {}
/**
* The DL public key
*/
BigInt y;
/**
* The DL group
*/
DL_Group group;
};
/**
* This class represents discrete logarithm (DL) private keys.
*/
class BOTAN_DLL DL_Scheme_PrivateKey : public virtual DL_Scheme_PublicKey,
public virtual Private_Key
{
public:
bool check_key(RandomNumberGenerator& rng, bool) const;
/**
* Get the secret key x.
* @return secret key
*/
const BigInt& get_x() const { return x; }
MemoryVector<byte> pkcs8_private_key() const;
DL_Scheme_PrivateKey(const AlgorithmIdentifier& alg_id,
const MemoryRegion<byte>& key_bits,
DL_Group::Format group_format);
protected:
DL_Scheme_PrivateKey() {}
/**
* The DL private key
*/
BigInt x;
};
}
#endif
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