---
title: What encryption algorithms does Zello Work use?
description: 1024 bit RSA for authentication, digital signatures, and secure media session keys exchange 256 bit AES for audio and call alerts TLS 1.2 and 1.3 for...
---

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March 30, 2026

# What encryption algorithms does Zello Work use?

This article is written for: ✅ Zello Work  ❌ Zello Friends & Family.

The following algorithms are used for **Zello Work** security:

- 1024 bit RSA for authentication, digital signatures, and secure media session keys exchange
- 256 bit AES for audio and call alerts
- TLS 1.2 and 1.3 for control traffic encryption between Zello client and Zello server

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