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crypto-toolkit

编码解码与加解密工具 — base64/URL/Hex/HTML实体编码解码，MD5/SHA哈希，AES/DES/RSA加解密，JWT解析，Caesar/ROT13密码，栅栏/Vigenere密码，Unicode转义，Morse电码等

deepsec/spear/skills/specialized/crypto-toolkit/SKILL.md

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Aug 24, 2026
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# 编码解码与加解密 Skill

针对渗透测试中常见的编码、加密、混淆场景，提供全面的编解码和加解密能力。
**重要**：遇到任何编码/加密字符串时，优先使用 `crypto_decode` 工具进行解码，而非靠直觉猜测。

## 核心原则

1. **工具优先** — 遇到 base64、hex、URL编码等字符串，调用 `crypto_decode` 工具解码，不要自行脑补
2. **多格式尝试** — 如果一种解码方式结果不合理，尝试其他编码格式
3. **链式解码** — CTF 中常见多层编码（如 base64→hex→ROT13），解码后检查结果是否还需再次解码
4. **验证结果** — 解码后验证结果的合理性（是否为可读文本、是否像路径/URL/flag 等）

## 1. 编码识别与解码