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Code Issues Releases Activity

make sure verifier gets created once

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This commit is contained in:
orignal 2016-10-10 08:59:45 -04:00
parent f83ebbcd3a
commit f91f3796a8
2 changed files with 19 additions and 8 deletions
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25
Identity.cpp
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@ -35,11 +35,12 @@ namespace data
}
IdentityEx::IdentityEx ():
m_ExtendedLen (0), m_ExtendedBuffer (nullptr)
m_IsVerifierCreated (false), m_ExtendedLen (0), m_ExtendedBuffer (nullptr)
{
}
IdentityEx::IdentityEx(const uint8_t * publicKey, const uint8_t * signingKey, SigningKeyType type)
IdentityEx::IdentityEx(const uint8_t * publicKey, const uint8_t * signingKey, SigningKeyType type):
m_IsVerifierCreated (false)
{
memcpy (m_StandardIdentity.publicKey, publicKey, sizeof (m_StandardIdentity.publicKey));
if (type != SIGNING_KEY_TYPE_DSA_SHA1)
@ -135,19 +136,19 @@ namespace data
}
IdentityEx::IdentityEx (const uint8_t * buf, size_t len):
m_ExtendedLen (0), m_ExtendedBuffer (nullptr)
m_IsVerifierCreated (false), m_ExtendedLen (0), m_ExtendedBuffer (nullptr)
{
FromBuffer (buf, len);
}
IdentityEx::IdentityEx (const IdentityEx& other):
m_ExtendedLen (0), m_ExtendedBuffer (nullptr)
m_IsVerifierCreated (false), m_ExtendedLen (0), m_ExtendedBuffer (nullptr)
{
*this = other;
}
IdentityEx::IdentityEx (const Identity& standard):
m_ExtendedLen (0), m_ExtendedBuffer (nullptr)
m_IsVerifierCreated (false), m_ExtendedLen (0), m_ExtendedBuffer (nullptr)
{
*this = standard;
}
@ -173,6 +174,7 @@ namespace data
m_ExtendedBuffer = nullptr;
m_Verifier = nullptr;
m_IsVerifierCreated = false;
return *this;
}
@ -187,6 +189,7 @@ namespace data
m_ExtendedLen = 0;
m_Verifier = nullptr;
m_IsVerifierCreated = false;
return *this;
}
@ -374,7 +377,13 @@ namespace data
void IdentityEx::UpdateVerifier (i2p::crypto::Verifier * verifier) const
{
if (!m_Verifier || !verifier)
m_Verifier.reset (verifier);
{
auto created = m_IsVerifierCreated.exchange (true);
if (!created)
m_Verifier.reset (verifier);
else
delete verifier;
}
else
delete verifier;
}
@ -457,8 +466,8 @@ namespace data
void PrivateKeys::Sign (const uint8_t * buf, int len, uint8_t * signature) const
{
if (!m_Signer)
CreateSigner();
m_Signer->Sign (buf, len, signature);
CreateSigner();
m_Signer->Sign (buf, len, signature);
}
void PrivateKeys::CreateSigner () const

2
Identity.h
View File

@ -5,6 +5,7 @@
#include <string.h>
#include <string>
#include <memory>
#include <atomic>
#include "Base.h"
#include "Signature.h"
@ -104,6 +105,7 @@ namespace data
Identity m_StandardIdentity;
IdentHash m_IdentHash;
mutable std::unique_ptr<i2p::crypto::Verifier> m_Verifier;
mutable std::atomic_bool m_IsVerifierCreated; // make sure we don't create twice
size_t m_ExtendedLen;
uint8_t * m_ExtendedBuffer;
};