openssl genrsa

all

Generate RSA private keys.

Examples (3)

Generate an RSA private key of 2048 bits to `stdout`

openssl genrsa

Save an RSA private key of an arbitrary number of bits to the output file

openssl genrsa -out output_file.key 1234

Generate an RSA private key and encrypt it with AES256 (you will be prompted for a passphrase)

openssl genrsa -aes256