> For the complete documentation index, see [llms.txt](https://hacktricks.xsx.tw/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacktricks.xsx.tw/crypto-and-stego.md).

# Crypto & Stego

- [Cryptographic/Compression Algorithms](https://hacktricks.xsx.tw/crypto-and-stego/cryptographic-algorithms.md)
- [Unpacking binaries](https://hacktricks.xsx.tw/crypto-and-stego/cryptographic-algorithms/unpacking-binaries.md)
- [Certificates](https://hacktricks.xsx.tw/crypto-and-stego/certificates.md)
- [Cipher Block Chaining CBC-MAC](https://hacktricks.xsx.tw/crypto-and-stego/cipher-block-chaining-cbc-mac-priv.md)
- [Crypto CTFs Tricks](https://hacktricks.xsx.tw/crypto-and-stego/crypto-ctfs-tricks.md)
- [Electronic Code Book (ECB)](https://hacktricks.xsx.tw/crypto-and-stego/electronic-code-book-ecb.md)
- [Hash Length Extension Attack](https://hacktricks.xsx.tw/crypto-and-stego/hash-length-extension-attack.md)
- [Padding Oracle](https://hacktricks.xsx.tw/crypto-and-stego/padding-oracle-priv.md)
- [RC4 - Encrypt\&Decrypt](https://hacktricks.xsx.tw/crypto-and-stego/rc4-encrypt-and-decrypt.md)
- [Stego Tricks](https://hacktricks.xsx.tw/crypto-and-stego/stego-tricks.md)
- [Esoteric languages](https://hacktricks.xsx.tw/crypto-and-stego/esoteric-languages.md)
- [Blockchain & Crypto Currencies](https://hacktricks.xsx.tw/crypto-and-stego/blockchain-and-crypto-currencies.md)