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move key blinding code from LeaseSet.cpp to Blinding.cpp

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orignal 2019-05-14 11:42:25 -04:00
parent 5299ac35a6
commit 39400fd381
5 changed files with 203 additions and 173 deletions
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44
libi2pd/Blinding.h Normal file
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#ifndef BLINDING_H__
#define BLINDING_H__
#include <inttypes.h>
#include <string>
#include "Identity.h"
namespace i2p
{
namespace data
{
class BlindedPublicKey // for encrypted LS2
{
public:
BlindedPublicKey (std::shared_ptr<const IdentityEx> identity, SigningKeyType blindedKeyType = i2p::data::SIGNING_KEY_TYPE_REDDSA_SHA512_ED25519);
BlindedPublicKey (const std::string& b33); // from b33 without .b32.i2p
std::string ToB33 () const;
const uint8_t * GetPublicKey () const { return m_PublicKey.data (); };
size_t GetPublicKeyLen () const { return m_PublicKey.size (); };
SigningKeyType GetSigType () const { return m_SigType; };
SigningKeyType GetBlindedSigType () const { return m_BlindedSigType; };
void GetSubcredential (const uint8_t * blinded, size_t len, uint8_t * subcredential) const; // 32 bytes
void GetBlindedKey (const char * date, uint8_t * blindedKey) const; // blinded key 32 bytes, date is 8 chars "YYYYMMDD"
void BlindPrivateKey (const uint8_t * priv, const char * date, uint8_t * blindedPriv, uint8_t * blindedPub) const; // blinded key 32 bytes, date is 8 chars "YYYYMMDD"
i2p::data::IdentHash GetStoreHash (const char * date = nullptr) const; // date is 8 chars "YYYYMMDD", use current if null
private:
void GetCredential (uint8_t * credential) const; // 32 bytes
void GenerateAlpha (const char * date, uint8_t * seed) const; // 64 bytes, date is 8 chars "YYYYMMDD"
void H (const std::string& p, const std::vector<std::pair<const uint8_t *, size_t> >& bufs, uint8_t * hash) const;
private:
std::vector<uint8_t> m_PublicKey;
i2p::data::SigningKeyType m_SigType, m_BlindedSigType;
};
}
}
#endif