$ gpg --gen-keygpg (GnuPG) 2.0.14; Copyright (C) 2009 Free Software Foundation, Inc.This is free software: you are free to change and redistribute it.There is NO WARRANTY, to the extent permitted by law.gpg: directory `/home/webadmin/.gnupg‘ createdgpg: new configuration file `/home/webadmin/.gnupg/gpg.conf‘ createdgpg: WARNING: options in `/home/webadmin/.gnupg/gpg.conf‘ are not yet active during this rungpg: keyring `/home/webadmin/.gnupg/secring.gpg‘ createdgpg: keyring `/home/webadmin/.gnupg/pubring.gpg‘ createdPlease select what kind of key you want:   (1) RSA and RSA (default)   (2) DSA and Elgamal   (3) DSA (sign only)   (4) RSA (sign only)Your selection? 1RSA keys may be between 1024 and 4096 bits long.What keysize do you want? (2048) Requested keysize is 2048 bitsPlease specify how long the key should be valid.         0 = key does not expire      <n>  = key expires in n days      <n>w = key expires in n weeks      <n>m = key expires in n months      <n>y = key expires in n yearsKey is valid for? (0) 10y

public and secret key created and signed.

$ gpg --list-keys

$ gpg -a -o pubkey.txt --export test01

$ gpg  -r test01 -e test.txt$ gpg -r test01 -o test.txt -d test.txt.gpg