> getnewaddress
4GELig4Rh4VZVnEnvp4v9cN29SH8F3JEeT
> validateaddress 4GELig4Rh4VZVnEnvp4v9cN29SH8F3JEeT
{
"isvalid" : true,
"address" : "4GELig4Rh4VZVnEnvp4v9cN29SH8F3JEeT",
"ismine" : true,
"watchonly" : false,
"isscript" : false,
"pubkey" : "027742dfa3fd23b86f4fd6bfa4707da5dfe433db609d7d458f6576b7c84f20dcef",
"iscompressed" : true,
"account" : ""
}

> encryptmessage 027742dfa3fd23b86f4fd6bfa4707da5dfe433db609d7d458f6576b7c84f20dcef "Hello world!"
BHzjL9u1h8K1f5pqEZ4KLzmYXLD4qdZWWPnQPJdRgttWJ8QU4LbZLu4KxZpYcNNrgePkxVv2Ps8XV1AC34VCt3oBMdMW7HuaSB6

> decryptmessage 4GELig4Rh4VZVnEnvp4v9cN29SH8F3JEeT BHzjL9u1h8K1f5pqEZ4KLzmYXLD4qdZWWPnQPJdRgttWJ8QU4LbZLu4KxZpYcNNrgePkxVv2Ps8XV1AC34VCt3oBMdMW7HuaSB6
Hello world!