/usr/include/crypto++/dh2.h is in libcrypto++-dev 5.6.1-9.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | #ifndef CRYPTOPP_DH2_H
#define CRYPTOPP_DH2_H
/** \file
*/
#include "cryptlib.h"
NAMESPACE_BEGIN(CryptoPP)
/// <a href="http://www.weidai.com/scan-mirror/ka.html#DH2">Unified Diffie-Hellman</a>
class DH2 : public AuthenticatedKeyAgreementDomain
{
public:
DH2(SimpleKeyAgreementDomain &domain)
: d1(domain), d2(domain) {}
DH2(SimpleKeyAgreementDomain &staticDomain, SimpleKeyAgreementDomain &ephemeralDomain)
: d1(staticDomain), d2(ephemeralDomain) {}
CryptoParameters & AccessCryptoParameters() {return d1.AccessCryptoParameters();}
unsigned int AgreedValueLength() const
{return d1.AgreedValueLength() + d2.AgreedValueLength();}
unsigned int StaticPrivateKeyLength() const
{return d1.PrivateKeyLength();}
unsigned int StaticPublicKeyLength() const
{return d1.PublicKeyLength();}
void GenerateStaticPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const
{d1.GeneratePrivateKey(rng, privateKey);}
void GenerateStaticPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const
{d1.GeneratePublicKey(rng, privateKey, publicKey);}
void GenerateStaticKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const
{d1.GenerateKeyPair(rng, privateKey, publicKey);}
unsigned int EphemeralPrivateKeyLength() const
{return d2.PrivateKeyLength();}
unsigned int EphemeralPublicKeyLength() const
{return d2.PublicKeyLength();}
void GenerateEphemeralPrivateKey(RandomNumberGenerator &rng, byte *privateKey) const
{d2.GeneratePrivateKey(rng, privateKey);}
void GenerateEphemeralPublicKey(RandomNumberGenerator &rng, const byte *privateKey, byte *publicKey) const
{d2.GeneratePublicKey(rng, privateKey, publicKey);}
void GenerateEphemeralKeyPair(RandomNumberGenerator &rng, byte *privateKey, byte *publicKey) const
{d2.GenerateKeyPair(rng, privateKey, publicKey);}
bool Agree(byte *agreedValue,
const byte *staticPrivateKey, const byte *ephemeralPrivateKey,
const byte *staticOtherPublicKey, const byte *ephemeralOtherPublicKey,
bool validateStaticOtherPublicKey=true) const;
protected:
SimpleKeyAgreementDomain &d1, &d2;
};
NAMESPACE_END
#endif
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