! rsagen -f shirou.pem
! stdout .
stderr 'parse public keys: '

-- shirou.pem --
-----BEGIN RSA PUBLIC KEY-----
SSBhbSB0aGUgYm9uZSBvZiBteSBzd29yZC4KU3RlZWwgaXMgbXkgYm9keSBhbmQg
ZmlyZSBpcyBteSBibG9vZC4KSSBoYXZlIGNyZWF0ZWQgb3ZlciBhIHRob3VzYW5k
IGJsYWRlcy4KVW5hd2FyZSBvZiBsb3NzLApOb3IgYXdhcmUgb2YgZ2Fpbi4KV2l0
aHN0b29kIHBhaW4gdG8gY3JlYXRlIHdlYXBvbnMsIHdhaXRpbmcgZm9yIG9uZeKA
mXMgYXJyaXZhbC4KSSBoYXZlIG5vIHJlZ3JldHMuIFRoaXMgaXMgdGhlIG9ubHkg
cGF0aC4KTXkgd2hvbGUgbGlmZSB3YXMgVW5saW1pdGVkIEJsYWRlIFdvcmtzLgo=
-----END RSA PUBLIC KEY-----