SSL2

• ssl client #include #include #include #include #include #include #include #include #include #include #define FAIL -1 int OpenConnection(const char *hostname, int port){ int sd; struct hostent *host; struct sockaddr_in addr; if ( (host = gethostbyname(hostname)) == NULL ) { perror(hostname); abort(); } sd = socket(PF_INET, SOCK_STREAM, 0); bzero(&addr, sizeof(addr)); addr.sin_family = AF_INET; addr.sin_port.. Security Study/Network 2015. 9. 18.

• ssl server #include #include #include #include #include #include #include #include #include #include "openssl/ssl.h"#include "openssl/err.h" #define FAIL -1 int OpenListener(int port){ int sd; struct sockaddr_in addr; sd = socket(PF_INET, SOCK_STREAM, 0); bzero(&addr, sizeof(addr)); addr.sin_family = AF_INET; addr.sin_port = htons(port); addr.sin_addr.s_addr = INADDR_ANY; if ( bind(sd, (struct sockaddr*)&a.. Security Study/Network 2015. 9. 18.