← All Kali Issues
OpenSSL

Cannot generate key

C Cryptography Medium

🔴 Error Message

Error generating RSA key pair

📖 What This Means

OpenSSL configuration or permission issue.

🔧 Step-by-Step Fix

  1. Generate RSA: openssl genrsa -out private.pem 4096
  2. Extract public: openssl rsa -in private.pem -pubout -out public.pem
  3. Check version: openssl version
  4. If FIPS: some key sizes restricted