---
title: "Discussion on \"Why they say \"Don't roll your own crypto.\"\" | Hashnode"
description: "Discussion on \"Why they say \"Don't roll your own crypto.\"\". Many of you have seen it at some point during your development career - you need to implement some security-related feature in an app and then you start ferociously searching the web for terms like \"How to properly encrypt a password,\" \"How to obfusc..."
url: "https://hashnode.com/posts/why-they-say-dont-roll-your-own-crypto/5dc1dc850577b89468910dff"
---

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# [Why they say "Don't roll your own crypto."](https://theonlyrealtodd.hashnode.dev/why-they-say-dont-roll-your-own-crypto?utm_source=hashnode&utm_medium=feed)

Many of you have seen it at some point during your development career - you need to implement some security-related feature in an app and then you start ferociously searching the web for terms like "How to properly encrypt a password," "How to obfusc...

Nov 5, 2019 · theonlyrealtodd.hashnode.dev  
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-   [#security](https://hashnode.com/tag/security)
-   [#cryptography](https://hashnode.com/tag/cryptography)
-   [#cryptocurrency](https://hashnode.com/tag/cryptocurrency)

## Written by

[Todd](https://hashnode.com/@theonlyrealtodd)

@theonlyrealtodd · San Diego, California

  
[View profile](https://hashnode.com/@theonlyrealtodd)

Software Security TechLead

I'm a Software Security Engineer Lead. My team works on IoT, desktop application, mobile application, cloud, web, and OS-level code performing code audits, finding and exploiting security vulnerabilities, consulting, writing security patches, and contributing to engineering of secure systems.

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