keytool 0.1.0

A command-line tool for managing certificates, similar to Java keytool.
Documentation 
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use std::io;
use thiserror::Error;

#[derive(Debug, Error, Clone)]
pub enum KeyToolError {
    #[error("Argument error: {0}")]
    InvalidArgument(String),

    #[error("OpenSSL error: {0}")]
    OpenSslError(String),

    #[error("IO error: {0}")]
    IoError(String),
}

impl From<io::Error> for KeyToolError {
    fn from(err: io::Error) -> Self {
        KeyToolError::IoError(err.to_string())
    }
}

impl KeyToolError {
    pub fn new<T: Into<String>>(msg: T) -> Self {
        KeyToolError::InvalidArgument(msg.into())
    }
}

impl From<openssl::error::ErrorStack> for KeyToolError {
    fn from(e: openssl::error::ErrorStack) -> Self {
        KeyToolError::OpenSslError(e.to_string())
    }
}