结构体 KeyLogFile 

pub struct KeyLogFile(/* private fields */);

KeyLog implementation that opens 一个 file whose 名称是 given by the SSLKEYLOGFILE environment variable, 并 writes keys into it.

如果没有设置 SSLKEYLOGFILE，则不会有任何做用。

If such 一个 file cannot be opened, 或 cannot be written then this does nothing but logs errors at warning-level.

实现

impl KeyLogFile

pub fn new() -> Self

Makes 新 KeyLogFile。 此 environment variable is inspected 并 the named file is opened during this 调用。

Trait 实现

impl Debug for KeyLogFile

fn fmt(&self, f: &mut Formatter<'_>) -> Result

使用给定的格式化器格式化此值。 更多信息

impl KeyLog for KeyLogFile

fn log(&self, label: &str, client_random: &[u8], secret: &[u8])

Log the given secret. client_random ， 用于 session identification. label describes precisely what secret means: 更多信息

fn will_log(&self, _label: &str) -> bool

指明是否会记录标签为 label 的密钥 更多信息