> For the complete documentation index, see [llms.txt](https://duckymomo20012.gitbook.io/crypto-learning/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://duckymomo20012.gitbook.io/crypto-learning/crypto-blogs.md).

# Crypto Blogs

<table><thead><tr><th width="292">Topic</th><th>Languages</th></tr></thead><tbody><tr><td>Hash Length Extension Attack (HLE)</td><td><img src="https://hatscripts.github.io/circle-flags/flags/vn.svg" alt="" data-size="line"></td></tr><tr><td>Cryptographic Security for Internet: TLS/SSL, VPN/SSL vs. VPN/IPsec</td><td><img src="https://hatscripts.github.io/circle-flags/flags/us.svg" alt="" data-size="line"></td></tr></tbody></table>