This is the command pki---pub that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
NAME
pki --pub - Extract a public key from a private key or certificate
SYNOPSIS
pki --pub [--in file|--keyid hex] [--type type] [--outform encoding] [--debug level]
pki --pub --options file
pki --pub -h | --help
DESCRIPTION
This sub-command of pki(1) extracts public keys from a private keys and certificates.
OPTIONS
-h, --help
Print usage information with a summary of the available options.
-v, --debug level
Set debug level, default: 1.
-+, --options file
Read command line options from file.
-i, --in file
Input file. If not given the input is read from STDIN.
-t, --type type
Type of input. One of rsa (RSA private key), ecdsa (ECDSA private key), pub (public
key), pkcs10 (PKCS#10 certificate request), or x509 (X.509 certificate), defaults
to rsa.
-f, --outform encoding
Encoding of the extracted public key. One of der (ASN.1 DER), pem (Base64 PEM),
dnskey (RFC 3110 DNS key), or sshkey (RFC 4253 SSH key), defaults to der.
EXAMPLES
Extract the public key from an RSA private key:
pki --pub --in key.der > pub.der
Extract the public key from an X.509 certificate:
pki --pub --in cert.der --type x509 > pub.der
Use pki---pub online using onworks.net services
