pki --pub - Extract a public key from a private key or certificate
Contents
Description
This sub-command of pki(1) extracts public keys from a private keys and certificates.
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
Name
pki --pub - Extract a public key from a private key or certificate
Options
-h,--help
Print usage information with a summary of the available options.
-v,--debuglevel
Set debug level, default: 1.
-+,--optionsfile
Read command line options from file.
-i,--infile
Input file. If not given the input is read from STDIN.
-x,--keyidhex
Smartcard or TPM private key object handle in hex format with an optional 0x prefix.
-t,--typetype
Type of input. One of priv (private key), rsa (RSA private key), ecdsa (ECDSA private key), pub
(public key), pkcs10 (PKCS#10 certificate request), or x509 (X.509 certificate), defaults to priv.
-f,--outformencoding
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.
See Also
pki(1) 5.9.13 2013-07-31 PKI--PUB(1)
Synopsis
pki--pub [--infile|--keyidhex] [--typetype] [--outformencoding] [--debuglevel]
pki--pub--optionsfilepki--pub-h | --help