OpenSSL Errors and Solutions
Invalid engine "pkcs11" No engine specified for loading private key / No filename or uri specified for loading private key
Error
Message
Invalid engine "pkcs11" No engine specified for loading private key / No filename or uri specified for loading private key:Problem
This error occurs when the libengine-pkcs11-openssl command is not Executed. This command enables OpenSSL to interact with PKCS#11 modules.
Solution
To enable support for OpenSSL to interact with PKCS#11, run the following
command:
sudo apt install -y openssl libengine-pkcs11-openssl gnutls-bin xxd