gchq/CyberChef

manchester encoding / decoding

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#1,104 创建于 2020年9月18日

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 (4 评论) (0 反应) (1 负责人)JavaScript (34,843 star) (3,944 fork)batch import
featurehelp wantedoperation

描述

manchester encoding (also known as phase encoding) is commonly used with telecommunications and data storage and would be a useful filter in CyberChef, particularly when working with SDR (software defined radio) sourced data

In short to encode, a input value of 1 becomes 01 and a input value of 0 becomes 10

encode(input) {

    foreach bit in input {
        if bit == 0 {
            output.append(1);
            output.append(0);
        } else {
            output.append(0);
            output.append(1);
        }

    return output;
}

贡献者指南

技术栈
javascript
领域
datatooling
议题类型
feature
难度面向新贡献者的预计实现难度，1 表示很小改动，5 表示专家级工作。
2
预计时间有经验贡献者完成调查、实现、测试并准备 pull request 的粗略时间范围。
1-3 hours
活动状态议题当前的可参与程度：新鲜、活跃、陈旧、阻塞或等待维护者输入。
blocked
清晰度议题是否清楚说明期望改动、验收标准和下一步。
clear
前置要求
JavaScript basics
新手友好度1-100 的估计分数，表示该议题对首次贡献者的友好程度。
65
研究方向
The issue requests adding Manchester encoding/decoding operations. Examine existing operation files (e.g., in `src/core/operations/`) for pattern. Since the issue is assigned to a user, it's recommended to check if the assignee is still active or if the issue is open for reassignment. The pseudo code provided can be directly used to implement the encoding, and decoding can be derived.
manchester encoding / decoding · gchq/CyberChef#1104 | Good First Issue