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use Signer for local destination

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orignal 2014-08-23 22:54:08 -04:00
parent 009af2eeae
commit e45ee83746
4 changed files with 50 additions and 18 deletions
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40
Identity.cpp
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@ -4,9 +4,10 @@
#include <cryptopp/osrng.h>
#include <cryptopp/dh.h>
#include <cryptopp/dsa.h>
#include "CryptoConst.h"
#include "Identity.h"
#include "base64.h"
#include "CryptoConst.h"
#include "RouterContext.h"
#include "Identity.h"
namespace i2p
{
@ -201,10 +202,22 @@ namespace data
{
m_Public = Identity (keys);
memcpy (m_PrivateKey, keys.privateKey, 256); // 256
memcpy (m_SigningPrivateKey, keys.signingPrivateKey, 20); // 20 - DSA
memcpy (m_SigningPrivateKey, keys.signingPrivateKey, 20); // 20 - DSA
delete m_Signer;
CreateSigner ();
return *this;
}
PrivateKeys& PrivateKeys::operator=(const PrivateKeys& other)
{
m_Public = other.m_Public;
memcpy (m_PrivateKey, other.m_PrivateKey, 256); // 256
memcpy (m_SigningPrivateKey, other.m_SigningPrivateKey, 128); // 128
delete m_Signer;
CreateSigner ();
return *this;
}
size_t PrivateKeys::FromBuffer (const uint8_t * buf, size_t len)
{
size_t ret = m_Public.FromBuffer (buf, len);
@ -213,6 +226,8 @@ namespace data
size_t signingPrivateKeySize = m_Public.GetSignatureLen ()/2; // 20 for DSA
memcpy (m_SigningPrivateKey, buf + ret, signingPrivateKeySize);
ret += signingPrivateKeySize;
delete m_Signer;
CreateSigner ();
return ret;
}
@ -227,12 +242,26 @@ namespace data
return ret;
}
void PrivateKeys::Sign (const uint8_t * buf, int len, uint8_t * signature) const
{
if (m_Signer)
m_Signer->Sign (i2p::context.GetRandomNumberGenerator (), buf, len, signature);
}
void PrivateKeys::CreateSigner ()
{
if (m_Public.GetSigningKeyType () == SIGNING_KEY_TYPE_ECDSA_SHA256_P256)
m_Signer = new i2p::crypto::ECDSAP256Signer (m_SigningPrivateKey);
else
m_Signer = new i2p::crypto::DSASigner (m_SigningPrivateKey);
}
PrivateKeys PrivateKeys::CreateRandomKeys (SigningKeyType type)
{
if (type == SIGNING_KEY_TYPE_ECDSA_SHA256_P256)
{
PrivateKeys keys;
CryptoPP::AutoSeededRandomPool rnd;
auto& rnd = i2p::context.GetRandomNumberGenerator ();
// encryption
uint8_t publicKey[256];
CryptoPP::DH dh (i2p::crypto::elgp, i2p::crypto::elgg);
@ -241,6 +270,7 @@ namespace data
uint8_t signingPublicKey[64];
i2p::crypto::CreateECDSAP256RandomKeys (rnd, keys.m_SigningPrivateKey, signingPublicKey);
keys.m_Public = IdentityEx (publicKey, signingPublicKey, SIGNING_KEY_TYPE_ECDSA_SHA256_P256);
keys.CreateSigner ();
return keys;
}
return PrivateKeys (i2p::data::CreateRandomKeys ()); // DSA-SHA1
@ -249,7 +279,7 @@ namespace data
Keys CreateRandomKeys ()
{
Keys keys;
CryptoPP::AutoSeededRandomPool rnd;
auto& rnd = i2p::context.GetRandomNumberGenerator ();
// encryption
CryptoPP::DH dh (i2p::crypto::elgp, i2p::crypto::elgg);
dh.GenerateKeyPair(rnd, keys.privateKey, keys.publicKey);