Java "keytool -printcert" Command Options
What options are supported by the "keytool -printcert" command?
Java Keytool can be used to printout owner, issuer, serial number and other information from a certificate using the "keytool -printcert" command, which supports the following options:
C:\Users\fyicenter> keytool -printcert -help keytool -printcert [OPTION]... Prints the content of a certificate Options: -rfc output in RFC style -file <filename> input file name -sslserver <server[:port]> SSL server host and port -jarfile <filename> signed jar file -v verbose output Use "keytool -help" for all available commands
The "keytool -printcert" command reads the certificate from the file cert_file, the SSL server located at host:port, or the signed JAR file JAR_file (with the option -jarfile and prints its contents in a human-readable format. When no port is specified, the standard HTTPS port 443 is assumed. Note that -sslserver and -file options cannot be provided at the same time. Otherwise, an error is reported. If neither option is given, the certificate is read from stdin.
If -rfc is specified, keytool prints the certificate in PEM mode as defined by the Internet RFC 1421 standard.
If the certificate is read from a file or stdin, it may be either binary encoded or in printable encoding format, as defined by the Internet RFC 1421 standard
If the SSL server is behind a firewall, -J-Dhttps.proxyHost=proxyhost and -J-Dhttps.proxyPort=proxyport can be specified on the command line for proxy tunneling. See the JSSE Reference Guide for more information.
Note that the "keytool -printcert" command can be used independently of a keystore.
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