One of C ++ OpenSSL: compile and use

1. official website  https://www.openssl.org/

The current version is the use of OpenSSL 1.1.1c

 

2. Compile

① download, unzip, unzip assume the position as /home/openssl-1.1.1c

②./config

③make install

It will generate ssl libraries and crypto library

 

3. Code requires header files

#include <stdio.h>
#include <stdlib.h>
#include <openssl/pem.h>
#include <openssl/err.h>
#include <openssl/pkcs12.h>

 

4. The need to link libraries (-L specific location of the specified library, to avoid interference problems plurality library function can not find the cause of the system!)

g++ *.cpp -L /home/openssl-1.1.1c -l ssl -l crypto

 

5. File Description type of relationship

① using the RSA private key generating function

②RSA private key used to generate the CSR function

③CSR request to the server to obtain CER (such as the Apple Developer CSR backstage after uploading files, you can download the corresponding CER file)

④CER function is transformed PEM (PEM to generate converted to P12)

⑤RSA private key + PEM using function generation P12

 

the above.

 

"One of the C ++ OpenSSL: compile and use"
, "C ++ OpenSSL II: generate RSA File"
"Three C ++ OpenSSL's: Generating a CSR file"
, "C ++ OpenSSL Four: CER converted to PEM"
"C ++ OpenSSL five: generate P12 file "