#include?
#include?
#include?
#include?

#include?
#include?
#include?
#include?

#pragma?comment（lib?“WS2_32.lib“）

#define?MAXBUF?1024

void?ShowCerts（SSL?*?ssl）
{
	X509?*cert;
	char?*line;

	cert?=?SSL_get_peer_certificate（ssl）;
	if?（cert?!=?NULL）?{
		printf（“數(shù)字證書信息:\n“）;
		line?=?X509_NAME_oneline（X509_get_subject_name（cert）?0?0）;
		printf（“證書:?%s\n“?line）;
		free（line）;
		line?=?X509_NAME_oneline（X509_get_issuer_name（cert）?0?0）;
		printf（“頒發(fā)者:?%s\n“?line）;
		free（line）;
		X509_free（cert）;
	}
	else
		printf（“無證書信息！\n“）;
}

int?main（int?argc?char?**argv）
{
	int?sockfd?len;
	struct?sockaddr_in?dest;
	char?buffer[MAXBUF?+?1]?=?{?0?};
	SSL_CTX?*ctx;
	SSL?*ssl;


	/*?SSL?庫初始化，參看?ssl-server.c?代碼?*/
	SSL_library_init（）;
	OpenSSL_add_all_algorithms（）;
	SSL_load_error_strings（）;
	ctx?=?SSL_CTX_new（SSLv23_client_method（））;
	if?（ctx?==?NULL）?{
		ERR_print_errors_fp（stdout）;
		exit（1）;
	}

	/*?創(chuàng)建一個?socket?用于?tcp?通信?*/
	WORD?wVersionRequested;
	WSADATA?wsaData;
	int?err;

	wVersionRequested?=?MAKEWORD（2?2）;
	err?=?WSAStartup（wVersionRequested?&wsaData）;

	if?（err?!=?0）//返回0表示成功
	{
		return?0;
	}
	if?（LOBYTE（wsaData.wVersion）?!=?2?||?HIBYTE（wsaData.wVersion）?!=?2）
	{
		WSACleanup（）;
		return?0;
	}

	if?（（sockfd?=?socket（AF_INET?SOCK_STREAM?0））?		perror（“Socket“）;
		exit（errno）;
	}
	printf（“socket?created\n“）;

	/*?初始化服務(wù)器端（對方）的地址和端口信息?*/
	dest.sin_family?=?AF_INET;
	dest.sin_addr.s_addr?=?inet_addr（“127.0.0.1“）;
	dest.sin_port?=?htons（60005）;

	printf（“address?created\n“）;

	/*?連接服務(wù)器?*/
	if?（connect（sockfd?（struct?sockaddr?*）?&dest?sizeof（dest））?!=?0）?{
		perror（“Connect?“）;
		exit（errno）;
	}
	printf（“server?connected\n“）;

	/*?基于?ctx?產(chǎn)生一個新的?SSL?*/
	ssl?=?SSL_new（ctx）;
	SSL_set_fd（ssl?sockfd）;
	/*?建立?SSL?連接?*/
	if?（SSL_connect（ssl）?==?-1）
		ERR_print_errors_fp（stderr）;
	else?{
		printf（“Connected?with?%s?encryption\n“?SSL_get_cipher（ssl））;
		ShowCerts（ssl）;
	}

	/*?接收對方發(fā)過來的消息，最多接收?MAXBUF?個字節(jié)?*/
	//bzero（buffer?MAXBUF?+?1）;
	/*?接收服務(wù)器來的消息?*/
	len?=?SSL_read（ssl?buffer?MAXBUF）;
	if?（len?>?0）
		printf（“接收消息成功:‘%s‘，共%d個字節(jié)的數(shù)據(jù)\n“
			buffer?len）;
	else?{
		printf
		（“消息接收失敗！錯誤代碼是%d，錯誤信息是‘%s‘\n“
			errno?strerror（errno））;
		goto?finish;
	}
	//bzero（buffer?MAXBUF?+?1）;
	memset（buffer?0?MAXBUF）;
	strcpy（buffer?“from?client->server“）;
	/*?發(fā)消息給服務(wù)器?*/
	len?=?SSL_write（ssl?buffer?strlen（buffer））;
	if?（len?		printf
		（“消息‘%s‘發(fā)送失敗！錯誤代碼是%d，錯誤信息是‘%s‘\n“
			buffer?errno?strerror（errno））;
	else
		printf（“消息‘%s‘發(fā)送成功，共發(fā)送了%d個字節(jié)！\n“
			buffer?len）;

finish:
	/*?關(guān)閉連接?*/
	SSL_shutdown（ssl）;
	SSL_free（ssl）;
	closesocket（sockfd）;
	SSL_CTX_free（ctx）;
	return?0;
}

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

????..A..H.?????30720??2017-06-20?15:25??SSL\.vs\SSL\v14\.suo

?????文件???????1024??2017-06-11?15:52??SSL\Openssl_Libs\win32-release\bin\.rnd

?????文件???????1434??2017-06-11?15:51??SSL\Openssl_Libs\win32-release\bin\ca.crt

?????文件???????1884??2017-06-11?15:50??SSL\Openssl_Libs\win32-release\bin\ca.key

?????文件???????3926??2017-06-11?15:52??SSL\Openssl_Libs\win32-release\bin\client.crt

?????文件????????778??2017-06-11?15:46??SSL\Openssl_Libs\win32-release\bin\client.csr

?????文件????????981??2017-06-11?15:45??SSL\Openssl_Libs\win32-release\bin\client.key

?????文件???????6474??2017-06-08?10:08??SSL\Openssl_Libs\win32-release\bin\c_rehash.pl

?????文件????????224??2017-06-11?15:52??SSL\Openssl_Libs\win32-release\bin\demoCA\index.txt

?????文件?????????22??2017-06-11?15:52??SSL\Openssl_Libs\win32-release\bin\demoCA\index.txt.attr

?????文件?????????22??2017-06-11?15:51??SSL\Openssl_Libs\win32-release\bin\demoCA\index.txt.attr.old

?????文件????????112??2017-06-11?15:51??SSL\Openssl_Libs\win32-release\bin\demoCA\index.txt.old

?????文件???????3926??2017-06-11?15:51??SSL\Openssl_Libs\win32-release\bin\demoCA\newcerts\01.pem

?????文件???????3926??2017-06-11?15:52??SSL\Openssl_Libs\win32-release\bin\demoCA\newcerts\02.pem

?????文件??????????4??2017-06-11?15:52??SSL\Openssl_Libs\win32-release\bin\demoCA\serial

?????文件??????????4??2017-06-11?15:51??SSL\Openssl_Libs\win32-release\bin\demoCA\serial.old

?????文件????1933312??2017-06-08?10:08??SSL\Openssl_Libs\win32-release\bin\openssl.exe

?????文件???????3926??2017-06-11?15:51??SSL\Openssl_Libs\win32-release\bin\server.crt

?????文件????????778??2017-06-11?15:44??SSL\Openssl_Libs\win32-release\bin\server.csr

?????文件????????981??2017-06-11?15:42??SSL\Openssl_Libs\win32-release\bin\server.key

?????文件???????8331??2017-06-08?10:08??SSL\Openssl_Libs\win32-release\html\man1\asn1parse.html

?????文件???????8939??2017-06-08?10:08??SSL\Openssl_Libs\win32-release\html\man1\blake2b.html

?????文件???????8939??2017-06-08?10:08??SSL\Openssl_Libs\win32-release\html\man1\blake2s.html

?????文件??????29952??2017-06-08?10:08??SSL\Openssl_Libs\win32-release\html\man1\ca.html

?????文件???????9725??2017-06-08?10:08??SSL\Openssl_Libs\win32-release\html\man1\CA.pl.html

?????文件??????33540??2017-06-08?10:08??SSL\Openssl_Libs\win32-release\html\man1\ciphers.html

?????文件??????30881??2017-06-08?10:08??SSL\Openssl_Libs\win32-release\html\man1\cms.html

?????文件???????4895??2017-06-08?10:08??SSL\Openssl_Libs\win32-release\html\man1\crl.html

?????文件???????4308??2017-06-08?10:08??SSL\Openssl_Libs\win32-release\html\man1\crl2pkcs7.html

?????文件???????5650??2017-06-08?10:08??SSL\Openssl_Libs\win32-release\html\man1\c_rehash.html

............此處省略3322個文件信息