keytool

Generate key pair

$ keytool -genkeypair -alias [mykey] -keystore [keystore.jks]

$ keytool -list -keystore [keystore.jks]

$ keytool -exportcert -alias [mykey] -keystore [keystore.jks] -file [cert.cer]

$ keytool -importcert -alias [trusted] -file [cert.cer] -keystore [keystore.jks]

$ keytool -storepasswd -keystore [keystore.jks]

$ keytool -delete -alias [mykey] -keystore [keystore.jks]

keytool command [options]

keytool manages Java keystores and certificates. It generates keys, imports/exports certificates, and manages trust stores.
The tool is essential for SSL/TLS configuration. It handles keystore formats like JKS and PKCS12.
keytool manages Java certificates.

-genkeypair

Generate key pair.

List keystore entries.

Export certificate.

Import certificate.

Entry alias.

Keystore file.

Keystore password.

Display help information.

Part of JDK. Password management important. Multiple keystore formats.

keytool has been part of the JDK since early versions, providing certificate and key management for Java applications.

openssl(1), java(1), jarsigner(1)