How to Decode a CSR in .net,php,cgi,etc

Question

How to Decode a CSR in .net,php,cgi,etc

wth a output like

CN OU O L S C

Answer 1

Easy in PHP:

$csr=$_POST['txtcsr'];  // Copy CSR to a variable
$data=openssl_csr_get_subject($csr);  // Get the subject of the CSR
print_r($data); // Print the output as an array:

Output: Array ( [C] => US [ST] => Minnesota [L] => Shakopee [O] => Test Organization [OU] => IT Arhitecture [CN] => your.domain [emailAddress] => [email protected])

Tip: To get the function work, the server must have the OPENSSL_CNF environment variable correctly set.

Answer 2

Look at OpenSSL modules for php and python for example. Php OpenSSL Python OpenSSL You can check php openssl_x509_parse() function or use something like proc_open, os.popen to call openssl tool to do all the job and get results.