# TEA for real-life embedded project?

*From*: "SM" <sm@xxxxxxxx>*Date*: Fri, 2 Jun 2006 20:09:37 +0200

Hi,

I'm developing a project which involves sending some small (at most 64

bytes) encrypted data packets to a microcontroller by an application. The

software never encrypts any packets, it just sends one of the previously

prepared and stored ones. This means that:

1. A chosen-plaintext attack is impossible,

2. A chosen-ciphertext attack is impossible (practically),

3. There is a possibility of at most a few hundred ciphertexts for which

some parts of the corresponding plaintexts are known.

Given such circumstances, would using the TEA cipher be unwise?

Unfortunately the project requires decryption speed which is hard to obtain

using AES.

thanks

SM

.

**Follow-Ups**:**Re: TEA for real-life embedded project?***From:*David Wagner

**Re: TEA for real-life embedded project?***From:*Mike Amling

**Re: TEA for real-life embedded project?***From:*David Wagner

**Re: TEA for real-life embedded project?***From:*Jean-Luc Cooke

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