郵件加密工具，GnuPG 2.1.2 發布

GnuPG是一款郵件加密工具

未經加密的郵件很容易被不懷好意的偷窺者看到。如果對帶有敏感信息的郵件進行加密和簽名，就可以大大提高安全性。使用GNU Privacy Guard（GnuPG）就可以對郵件進行加密，當然你的郵件客戶端也要提供相應的支持，如果你使用的是Mozilla Thunderbird，可以到http://enigmail.mozdev.org去下載Enigmail插件，對于Outlook客戶端，也可以找到相應的插件。

 * gpg: The parameter 'Passphrase' for batch key generation works again.
 * gpg: Using a passphrase option in batch mode now has the expected effect on --quick-gen-key.
 * gpg: Improved reporting of unsupported PGP-2 keys.
 * gpg: Added support for algo names when generating keys using --command-fd.
 * gpg: Fixed DoS based on bogus and overlong key packets.
 * agent: When setting --default-cache-ttl the value for --max-cache-ttl is adjusted to be not lower than the former.
 * agent: Fixed problems with the new --extra-socket.
 * agent: Made --allow-loopback-pinentry changeable with gpgconf.
 * agent: Fixed importing of unprotected openpgp keys.
 * agent: Now tries to use a fallback pinentry if the standard pinentry is not installed.
 * scd: Added support for ECDH.
 * Fixed several bugs related to bogus keyrings and improved some other code.

詳細介紹請看

https://gnupg.org/faq/whats-new-in-2.1.html