SM3 hash algorithm for OpenResty/LuaJIT
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README.md

Name

lua-resty-sm3 - SM3 functions for LuaJIT

Status

This library is considered production ready.

Build status: Travis

Description

This library requires an nginx build with ngx_lua module, and LuaJIT 2.0.

Synopsis

    # nginx.conf:

    lua_package_path "/path/to/lua-resty-sm3/lib/?.lua;;";

    server {
        location = /t {
            content_by_lua_block {
                local resty_sm3 = require "resty.sm3"
                local sm3 = resty_sm3:new()
                sm3:update("abc")
                ngx.say(sm3:final())

                sm3:reset()
                sm3:update("abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd")
                ngx.say(sm3:final())
            }
        }
    }
    

Methods

To load this library,

  1. you need to specify this library's path in ngx_lua's lua_package_path directive. For example, lua_package_path "/path/to/lua-resty-sm3/lib/?.lua;;";.
  2. you use require to load the library into a local Lua variable:
    local sm3 = require "resty.sm3"

new

syntax: obj = sm3:new()

Creates a new sm3 object instance

-- creates a sm3 object
local resty_sm3 = require "resty.sm3"
local sm3 = resty_sm3:new()

update

syntax: ok = sm3:update(str)

final

syntax: hash = sm3:final()

reset

syntax: sm3:reset()

Author

Jianhao Dai (toruneko) toruneko@outlook.com

Copyright and License

This module is licensed under the MIT license.

Copyright (C) 2018, by Jianhao Dai (toruneko) toruneko@outlook.com

All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

  • Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

  • Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

See Also