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generic encryption for RoutingDestination

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orignal 2017-11-07 15:05:22 -05:00
parent 9fa67b0e0a
commit 81658d2ff9
8 changed files with 83 additions and 40 deletions
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17
libi2pd/Identity.h
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@ -8,6 +8,7 @@
#include <atomic>
#include "Base.h"
#include "Signature.h"
#include "CryptoKey.h"
namespace i2p
{
@ -52,7 +53,7 @@ namespace data
const size_t DEFAULT_IDENTITY_SIZE = sizeof (Identity); // 387 bytes
const uint16_t CRYPTO_KEY_TYPE_ELGAMAL = 0;
const uint16_t CRYPTO_KEY_TYPE_ECICS_P256_SHA256_AES256CBC = 65280; // TODO: change to actual code
const uint16_t CRYPTO_KEY_TYPE_ECIES_P256_SHA256_AES256CBC = 65280; // TODO: change to actual code
const uint16_t SIGNING_KEY_TYPE_DSA_SHA1 = 0;
const uint16_t SIGNING_KEY_TYPE_ECDSA_SHA256_P256 = 1;
@ -88,11 +89,12 @@ namespace data
size_t ToBuffer (uint8_t * buf, size_t len) const;
size_t FromBase64(const std::string& s);
std::string ToBase64 () const;
const Identity& GetStandardIdentity () const { return m_StandardIdentity; };
const Identity& GetStandardIdentity () const { return m_StandardIdentity; };
const IdentHash& GetIdentHash () const { return m_IdentHash; };
const uint8_t * GetEncryptionPublicKey () const { return m_StandardIdentity.publicKey; };
uint8_t * GetEncryptionPublicKeyBuffer () { return m_StandardIdentity.publicKey; };
const uint8_t * GetEncryptionPublicKey () const { return m_StandardIdentity.publicKey; };
uint8_t * GetEncryptionPublicKeyBuffer () { return m_StandardIdentity.publicKey; };
std::shared_ptr<i2p::crypto::CryptoKeyEncryptor> CreateEncryptor (const uint8_t * key) const;
size_t GetFullLen () const { return m_ExtendedLen + DEFAULT_IDENTITY_SIZE; };
size_t GetSigningPublicKeyLen () const;
size_t GetSigningPrivateKeyLen () const;
@ -136,7 +138,7 @@ namespace data
const uint8_t * GetPrivateKey () const { return m_PrivateKey; };
const uint8_t * GetSigningPrivateKey () const { return m_SigningPrivateKey; };
uint8_t * GetPadding();
void RecalculateIdentHash(uint8_t * buf=nullptr) { m_Public->RecalculateIdentHash(buf); }
void RecalculateIdentHash(uint8_t * buf=nullptr) { m_Public->RecalculateIdentHash(buf); }
void Sign (const uint8_t * buf, int len, uint8_t * signature) const;
size_t GetFullLen () const { return m_Public->GetFullLen () + 256 + m_Public->GetSigningPrivateKeyLen (); };
@ -146,6 +148,8 @@ namespace data
size_t FromBase64(const std::string& s);
std::string ToBase64 () const;
std::shared_ptr<i2p::crypto::CryptoKeyDecryptor> CreateDecryptor (const uint8_t * key) const;
static PrivateKeys CreateRandomKeys (SigningKeyType type = SIGNING_KEY_TYPE_DSA_SHA1, CryptoKeyType cryptoType = CRYPTO_KEY_TYPE_ELGAMAL);
static void GenerateCryptoKeyPair (CryptoKeyType type, uint8_t * priv, uint8_t * pub); // priv and pub are 256 bytes long
@ -187,7 +191,8 @@ namespace data
virtual ~RoutingDestination () {};
virtual std::shared_ptr<const IdentityEx> GetIdentity () const = 0;
virtual const uint8_t * GetEncryptionPublicKey () const = 0;
virtual const uint8_t * GetEncryptionPublicKey () const = 0; // deprecated
virtual void Encrypt (const uint8_t * data, uint8_t * encrypted, BN_CTX * ctx) = 0; // encrypt data for
virtual bool IsDestination () const = 0; // for garlic
const IdentHash& GetIdentHash () const { return GetIdentity ()->GetIdentHash (); };