What is MIME type "application/pkcs10"?

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

The MIME type application/pkcs10 is used for certificate signing requests following the PKCS#10 standard. It carries data when a system or user asks for a digital certificate from a certification authority.
Requests include a public key and user identity details such as name and organization. This helps verify digital identities and secure communications.

Common file formats using this MIME type are represented by PEM, CSR, and P10.

Key details and use cases:

• Used in digital security to initiate certificate issuance.
• Incorporates a public key and verified identity information.
• Standardized by the PKCS#10 specification for interoperability.

For more technical details, see the Certificate Signing Request (CSR) entry.

Associated file extensions

.pem, .csr, .p10

Usage Examples

HTTP Header

When serving content with this MIME type, set the Content-Type header:

    Content-Type: application/pkcs10
  

HTML

In HTML, you can specify the MIME type in various elements:

    <a href="file.dat" type="application/pkcs10">Download file</a>
  

Server-side (Node.js)

Setting the Content-Type header in Node.js:

    const http = require('http');
    
    http.createServer((req, res) => {
      res.setHeader('Content-Type', 'application/pkcs10');
      res.end('Content here');
    }).listen(3000);
  

Associated file extensions

.pem, .csr, .p10