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openssl genrsa

OpenSSL command to generate RSA private keys. More information: https://www.openssl.org/docs/manmaster/man1/openssl-genrsa.html.

  • 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}}