mirror of
https://github.com/PurpleI2P/i2pd
synced 2024-11-10 08:00:38 +03:00
52 lines
1.2 KiB
C++
52 lines
1.2 KiB
C++
#ifndef GOST_H__
|
||
#define GOST_H__
|
||
|
||
#include <memory>
|
||
#include <openssl/ec.h>
|
||
|
||
namespace i2p
|
||
{
|
||
namespace crypto
|
||
{
|
||
|
||
// ГОСТ Р 34.10
|
||
|
||
enum GOSTR3410ParamSet
|
||
{
|
||
// GOST R 34.10-2001
|
||
eGOSTR3410CryptoProA = 0, // 1.2.643.2.2.35.1
|
||
// XchA = A, XchB = C
|
||
//eGOSTR3410CryptoProXchA, // 1.2.643.2.2.36.0
|
||
//eGOSTR3410CryptoProXchB, // 1.2.643.2.2.36.1
|
||
// GOST R 34.10-2012
|
||
eGOSTR3410TC26A256, // 1.2.643.7.1.2.1.1.1
|
||
eGOSTR3410TC26A512, // 1.2.643.7.1.2.1.2.1
|
||
eGOSTR3410NumParamSets
|
||
};
|
||
|
||
class GOSTR3410Curve
|
||
{
|
||
public:
|
||
|
||
GOSTR3410Curve (BIGNUM * a, BIGNUM * b, BIGNUM * p, BIGNUM * q, BIGNUM * x, BIGNUM * y);
|
||
~GOSTR3410Curve ();
|
||
|
||
size_t GetKeyLen () const { return m_KeyLen; };
|
||
EC_POINT * MulP (const BIGNUM * n) const;
|
||
bool GetXY (const EC_POINT * p, BIGNUM * x, BIGNUM * y) const;
|
||
EC_POINT * CreatePoint (const BIGNUM * x, const BIGNUM * y) const;
|
||
void Sign (const BIGNUM * priv, const BIGNUM * digest, BIGNUM * r, BIGNUM * s);
|
||
bool Verify (const EC_POINT * pub, const BIGNUM * digest, const BIGNUM * r, const BIGNUM * s);
|
||
|
||
private:
|
||
|
||
EC_GROUP * m_Group;
|
||
size_t m_KeyLen; // in bytes
|
||
};
|
||
|
||
std::unique_ptr<GOSTR3410Curve>& GetGOSTR3410Curve (GOSTR3410ParamSet paramSet);
|
||
}
|
||
}
|
||
|
||
#endif
|