removed all contents

1 files changed, 0 insertions, 190 deletions

diff --git a/zto/node/Identity.cpp b/zto/node/Identity.cpp
deleted file mode 100644
index 89fdb83..0000000
--- a/zto/node/Identity.cpp
+++ /dev/null
@@ -1,190 +0,0 @@
-/*
- * ZeroTier One - Network Virtualization Everywhere
- * Copyright (C) 2011-2016  ZeroTier, Inc.  https://www.zerotier.com/
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdint.h>
-
-#include "Constants.hpp"
-#include "Identity.hpp"
-#include "SHA512.hpp"
-#include "Salsa20.hpp"
-#include "Utils.hpp"
-
-// These can't be changed without a new identity type. They define the
-// parameters of the hashcash hashing/searching algorithm.
-
-#define ZT_IDENTITY_GEN_HASHCASH_FIRST_BYTE_LESS_THAN 17
-#define ZT_IDENTITY_GEN_MEMORY 2097152
-
-namespace ZeroTier {
-
-// A memory-hard composition of SHA-512 and Salsa20 for hashcash hashing
-static inline void _computeMemoryHardHash(const void *publicKey,unsigned int publicKeyBytes,void *digest,void *genmem)
-{
-	// Digest publicKey[] to obtain initial digest
-	SHA512::hash(digest,publicKey,publicKeyBytes);
-
-	// Initialize genmem[] using Salsa20 in a CBC-like configuration since
-	// ordinary Salsa20 is randomly seekable. This is good for a cipher
-	// but is not what we want for sequential memory-harndess.
-	memset(genmem,0,ZT_IDENTITY_GEN_MEMORY);
-	Salsa20 s20(digest,256,(char *)digest + 32);
-	s20.crypt20((char *)genmem,(char *)genmem,64);
-	for(unsigned long i=64;i<ZT_IDENTITY_GEN_MEMORY;i+=64) {
-		unsigned long k = i - 64;
-		*((uint64_t *)((char *)genmem + i)) = *((uint64_t *)((char *)genmem + k));
-		*((uint64_t *)((char *)genmem + i + 8)) = *((uint64_t *)((char *)genmem + k + 8));
-		*((uint64_t *)((char *)genmem + i + 16)) = *((uint64_t *)((char *)genmem + k + 16));
-		*((uint64_t *)((char *)genmem + i + 24)) = *((uint64_t *)((char *)genmem + k + 24));
-		*((uint64_t *)((char *)genmem + i + 32)) = *((uint64_t *)((char *)genmem + k + 32));
-		*((uint64_t *)((char *)genmem + i + 40)) = *((uint64_t *)((char *)genmem + k + 40));
-		*((uint64_t *)((char *)genmem + i + 48)) = *((uint64_t *)((char *)genmem + k + 48));
-		*((uint64_t *)((char *)genmem + i + 56)) = *((uint64_t *)((char *)genmem + k + 56));
-		s20.crypt20((char *)genmem + i,(char *)genmem + i,64);
-	}
-
-	// Render final digest using genmem as a lookup table
-	for(unsigned long i=0;i<(ZT_IDENTITY_GEN_MEMORY / sizeof(uint64_t));) {
-		unsigned long idx1 = (unsigned long)(Utils::ntoh(((uint64_t *)genmem)[i++]) % (64 / sizeof(uint64_t)));
-		unsigned long idx2 = (unsigned long)(Utils::ntoh(((uint64_t *)genmem)[i++]) % (ZT_IDENTITY_GEN_MEMORY / sizeof(uint64_t)));
-		uint64_t tmp = ((uint64_t *)genmem)[idx2];
-		((uint64_t *)genmem)[idx2] = ((uint64_t *)digest)[idx1];
-		((uint64_t *)digest)[idx1] = tmp;
-		s20.crypt20(digest,digest,64);
-	}
-}
-
-// Hashcash generation halting condition -- halt when first byte is less than
-// threshold value.
-struct _Identity_generate_cond
-{
-	_Identity_generate_cond() throw() {}
-	_Identity_generate_cond(unsigned char *sb,char *gm) throw() : digest(sb),genmem(gm) {}
-	inline bool operator()(const C25519::Pair &kp) const
-		throw()
-	{
-		_computeMemoryHardHash(kp.pub.data,(unsigned int)kp.pub.size(),digest,genmem);
-		return (digest[0] < ZT_IDENTITY_GEN_HASHCASH_FIRST_BYTE_LESS_THAN);
-	}
-	unsigned char *digest;
-	char *genmem;
-};
-
-void Identity::generate()
-{
-	unsigned char digest[64];
-	char *genmem = new char[ZT_IDENTITY_GEN_MEMORY];
-
-	C25519::Pair kp;
-	do {
-		kp = C25519::generateSatisfying(_Identity_generate_cond(digest,genmem));
-		_address.setTo(digest + 59,ZT_ADDRESS_LENGTH); // last 5 bytes are address
-	} while (_address.isReserved());
-
-	_publicKey = kp.pub;
-	if (!_privateKey)
-		_privateKey = new C25519::Private();
-	*_privateKey = kp.priv;
-
-	delete [] genmem;
-}
-
-bool Identity::locallyValidate() const
-{
-	if (_address.isReserved())
-		return false;
-
-	unsigned char digest[64];
-	char *genmem = new char[ZT_IDENTITY_GEN_MEMORY];
-	_computeMemoryHardHash(_publicKey.data,(unsigned int)_publicKey.size(),digest,genmem);
-	delete [] genmem;
-
-	unsigned char addrb[5];
-	_address.copyTo(addrb,5);
-
-	return (
-		(digest[0] < ZT_IDENTITY_GEN_HASHCASH_FIRST_BYTE_LESS_THAN)&&
-		(digest[59] == addrb[0])&&
-		(digest[60] == addrb[1])&&
-		(digest[61] == addrb[2])&&
-		(digest[62] == addrb[3])&&
-		(digest[63] == addrb[4]));
-}
-
-std::string Identity::toString(bool includePrivate) const
-{
-	std::string r;
-
-	r.append(_address.toString());
-	r.append(":0:"); // 0 == ZT_OBJECT_TYPE_IDENTITY
-	r.append(Utils::hex(_publicKey.data,(unsigned int)_publicKey.size()));
-	if ((_privateKey)&&(includePrivate)) {
-		r.push_back(':');
-		r.append(Utils::hex(_privateKey->data,(unsigned int)_privateKey->size()));
-	}
-
-	return r;
-}
-
-bool Identity::fromString(const char *str)
-{
-	if (!str)
-		return false;
-
-	char *saveptr = (char *)0;
-	char tmp[1024];
-	if (!Utils::scopy(tmp,sizeof(tmp),str))
-		return false;
-
-	delete _privateKey;
-	_privateKey = (C25519::Private *)0;
-
-	int fno = 0;
-	for(char *f=Utils::stok(tmp,":",&saveptr);(f);f=Utils::stok((char *)0,":",&saveptr)) {
-		switch(fno++) {
-			case 0:
-				_address = Address(Utils::hexStrToU64(f));
-				if (_address.isReserved())
-					return false;
-				break;
-			case 1:
-				if ((f[0] != '0')||(f[1]))
-					return false;
-				break;
-			case 2:
-				if (Utils::unhex(f,_publicKey.data,(unsigned int)_publicKey.size()) != _publicKey.size())
-					return false;
-				break;
-			case 3:
-				_privateKey = new C25519::Private();
-				if (Utils::unhex(f,_privateKey->data,(unsigned int)_privateKey->size()) != _privateKey->size())
-					return false;
-				break;
-			default:
-				return false;
-		}
-	}
-	if (fno < 3)
-		return false;
-
-	return true;
-}
-
-} // namespace ZeroTier