ssl « openssl « C Q&A

1. Linking problem of OpenSSL library in existing C project    stackoverflow.com

I got a problem of linking an OpenSSL library into an existing project. Where I do get it wrong? Below are the steps I have followed. I have downloaded the SSL library, configured and ...

2. SSL connection with OpenSSL on specified port    stackoverflow.com

I have to connect to some server with URL host/getdata?reqtype=generate&login=xxx&pass=xxx&dest=yyy using SSL. I'm using code snippet shown below but I can't get any data from server.

CRYPTO_malloc_init();
SSL_library_init();
SSL_load_error_strings();
ERR_load_BIO_strings();
OpenSSL_add_all_algorithms();

SSL_CTX* ctx = SSL_CTX_new(SSLv23_client_method());
SSL* ssl;
BIO* bio ...

3. OpenSSL - SSL_write problem    stackoverflow.com

I write a little HTTPS client in C and I have a problem with the SSL_write function. Three tests to illustrate my problem:

#define HEADERS1 "GET / HTTP/1.1\r\n"
#define HEADERS2 "Host: www.example.com\r\n"
#define HEADERS3 "User-Agent: ...

4. Coding/configuring an OpenSSL server for maximum compatibility    stackoverflow.com

I am coding an SSL server in C + OpenSSL. This is pretty straightforward, and there are lots of examples to follow. However, I need to interoperate with a broad range of ...