openssl genpkey
OpenSSL command to generate asymmetric key pairs. More information: https://www.openssl.org/docs/manmaster/man1/openssl-genpkey.html.
-
Generate an RSA private key of 2048 bits, saving it to a specific file:
openssl genpkey -algorithm rsa -pkeyopt rsa_keygen_bits:{{2048}} -out {{filename.key}}
-
Generate an elliptic curve private key using the curve
prime256v1
, saving it to a specific file:
openssl genpkey -algorithm EC -pkeyopt ec_paramgen_curve:{{prime256v1}} -out {{filename.key}}
-
Generate an
ED25519
elliptic curve private key, saving it to a specific file:
openssl genpkey -algorithm {{ED25519}} -out {{filename.key}}
License and Disclaimer
The content on this page is copyright © 2014—present the tldr-pages team and contributors.This page is used with permission under Creative Commons Attribution 4.0 International License.
While we do attempt to make sure content is accurate, there isn't a warranty of any kind.