Creating Self Signed SSL Server Certificate with Keytool - dogtagpki/pki GitHub Wiki
To generate a certificate with RSA key:
$ keytool \
-genkeypair \
-keystore keystore.p12 \
-storetype pkcs12 \
-storepass Secret.123 \
-alias sslserver \
-dname "CN=$HOSTNAME" \
-keyalg RSA \
-keypass Secret.123
To generate a certificate with ECC key:
$ keytool \
-genkeypair \
-keystore keystore.p12 \
-storetype pkcs12 \
-storepass Secret.123 \
-alias sslserver \
-dname "CN=$HOSTNAME" \
-keyalg EC \
-keypass Secret.123