//?ECDH.cpp?:?定義控制臺應用程序的入口點。
//

#include?“stdafx.h“
#include
#include????
#include???
#include????
#include???
#include???
#include


#define?ECDH_SIZE?67??
#define?MALLOC_SIZE?0x400u

#pragma?warning（disable:4996）

using?namespace?std;

/*hex轉bin*/
int?String2Buffer（unsigned?char*?src?int?srclen?unsigned?char*?dest）?{
	int?i?=?0;
	if?（srclen?%?2?!=?0）?return?0;
	for?（i?=?0;?i?	{
		char?tmp[3];
		tmp[0]?=?*（src?+?2?*?i）;
		tmp[1]?=?*（src?+?2?*?i?+?1）;
		tmp[2]?=?0;
		int?out?=?0;
		sscanf（tmp?“%x“?&out）;
		unsigned?char?ch?=?（unsigned?char）out;
		*（dest?+?i）?=?ch;
	}
	return?i;
}
/*bin轉hex*/
int?Buffer2String（unsigned?char*?src?int?srclen?unsigned?char*?dest）?{
	int?i;
	for?（i?=?0;?i?	{
		char?tmp[3]?=?{?0?};
		sprintf（tmp?“%x“?*（src?+?i））;
		if?（strlen（tmp）?==?1）?{
			strcat（（char*）dest?“0“）;
			strncat（（char*）dest?tmp?1）;
		}
		else?if?（strlen（tmp）?==?2）?{
			strncat（（char*）dest?tmp?2）;
		}
		else?{
			strcat（（char*）dest?“00“）;
		}
	}
	return?i?*?2;
}
/*16進制展示數(shù)據(jù)*/
static?void?display（const?char?*tripstr?const?char?*src?const?int?src_size）
{
	int?i?=?0;
	if?（tripstr?!=?NULL）?{
		printf（“%s“?tripstr）;
	}
	unsigned?char*tmp?=?（unsigned?char*）malloc（MALLOC_SIZE）;
	memset（tmp?0?MALLOC_SIZE）;
	Buffer2String（（unsigned?char*）src?src_size?tmp）;
	cout?<	free（tmp）;
}

static?int?Gen_ECDH_Key（string?*s1?string?*publickey?string?*privatekey?string?*sharedkey）?{
	string?str1?=?*s1;
	string?str2?=?*publickey;
	string?str3?=?*privatekey;

	bool?isNeed23?=?false;//是否需要第2?3個參數(shù)

	if?（str1.length（）?==?0）?{
		//第一個參數(shù)不能空
		printf（“第一個參數(shù)不能空\n“）;
		return?-0x10;
	}
	if?（isNeed23）?{
		//檢測第23個參數(shù)
		if?（str2.length（）?==?0）?{
			printf（“str2?null\n“）;
			return?-0x12;
		}
		if?（str3.length（）?==?0）?{
			printf（“str3?null\n“）;
			return?-0x13;
		}
	}
	EC_KEY?*eckey?=?EC_KEY_new（）;
	eckey?=?EC_KEY_new_by_curve_name（NID_secp192k1）;//711
	if?（!eckey）?{
		printf（“eckey?null\n“）;
		return?-0x7;
	}
	if?（str3.length（）?>?0）?{
		//str3不為空
		printf（“private?key!=null?gen?sharekey\n“）;
		BIGNUM?*big?=?BN_new（）;
		unsigned?char?*sout3?=?（unsigned?char*）malloc（MALLOC_SIZE）;
		memset（sout3?0?MALLOC_SIZE）;
		int?len3?=?String2Buffer（（unsigned?char*）str3.c_str（）?str3.length（）?sout3）;
		BN_mpi2bn（sout3?len3?big）;
		if?（!big）?{
			printf（“big?null“）;
			return?-0x5;
		}
		char?*p?=?BN_bn2hex（big）;
		if?（p）
		{
			printf（“set?prikey?is?0x%s\n“?p）;
			OPENSSL_free（p）;//釋放p
			free（sout3）;//釋放?sout3
		}
		int?r?=?EC_KEY_set_private_key（eckey?big）;
		printf（“r=%d\n“?r）;
		BN_free（big）;//釋放
		if?（r?!=?1）?{
			printf（“EC_KEY_set_private_key?Failed~\n“）;
			return?-0x1;
		}
		const?EC_GROUP?*group?=?EC_KEY_get0_group（eckey）;
		EC_POINT?*point?=?EC_POINT_new（group）;
		if?（str2.length（）?>?0）?{
			unsigned?char?*st

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????60928??2018-06-21?08:29??ECDH\ECDH\Debug\ECDH.exe

?????文件?????693644??2018-06-21?08:29??ECDH\ECDH\Debug\ECDH.ilk

?????文件????1027072??2018-06-21?08:29??ECDH\ECDH\Debug\ECDH.pdb

?????文件????1114112??2011-03-15?19:46??ECDH\ECDH\Debug\libeay32.dll

?????文件???????2906??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\cl.command.1.tlog

?????文件??????43100??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\CL.read.1.tlog

?????文件???????1624??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\CL.write.1.tlog

?????文件????????406??2017-11-16?11:26??ECDH\ECDH\ECDH\Debug\ECDH.exe.embed.manifest

?????文件????????472??2018-05-03?15:22??ECDH\ECDH\ECDH\Debug\ECDH.exe.embed.manifest.res

?????文件????????381??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\ECDH.exe.intermediate.manifest

?????文件?????????91??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\ECDH.lastbuildstate

?????文件????????946??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\ECDH.log

?????文件?????157107??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\ECDH.obj

?????文件????1179648??2018-05-03?15:22??ECDH\ECDH\ECDH\Debug\ECDH.pch

?????文件????????198??2017-11-16?11:26??ECDH\ECDH\ECDH\Debug\ECDH_manifest.rc

?????文件??????????2??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\link-cvtres.read.1.tlog

?????文件??????????2??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\link-cvtres.write.1.tlog

?????文件??????????2??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\link.10920-cvtres.read.1.tlog

?????文件??????????2??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\link.10920-cvtres.write.1.tlog

?????文件??????????2??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\link.10920.read.1.tlog

?????文件??????????2??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\link.10920.write.1.tlog

?????文件??????????2??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\link.10928-cvtres.read.1.tlog

?????文件??????????2??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\link.10928-cvtres.write.1.tlog

?????文件??????????2??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\link.10928.read.1.tlog

?????文件??????????2??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\link.10928.write.1.tlog

?????文件??????????2??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\link.11156-cvtres.read.1.tlog

?????文件??????????2??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\link.11156-cvtres.write.1.tlog

?????文件??????????2??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\link.11156.read.1.tlog

?????文件??????????2??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\link.11156.write.1.tlog

?????文件??????????2??2018-06-21?08:29??ECDH\ECDH\ECDH\Debug\link.7048-cvtres.read.1.tlog

............此處省略37個文件信息