libsodium 1.0.4 发布，此版本更新内容如下：
Support for AES256-GCM has been added. This requires a CPU with the aesni and pclmul extensions, and is accessible via the
eval()any more, so that the library can be used in Chrome packaged applications.
QNX and CloudABI are now supported.
Support for NaCl has finally been added.
ChaCha20 with an extended (96 bit) nonce and a 32-bit counter has been implemented as
crypto_stream_chacha20_ietf_xor_ic(). An IETF-compatible version of ChaCha20Poly1305 is available as
sodium_increment()helper function has been added, to increment an arbitrary large number (such as a nonce).
sodium_compare()helper function has been added, to compare arbitrary large numbers (such as nonces, in order to prevent replay attacks).
libsodium 是一个先进而且易用的加密库。主要用于加密、解密、签名和生成密码哈希等等。这是一个可移植的、跨编译器支持、可安装的，基于 NaCI 开发，提供一个兼容 API。