impulseSMS

Quick, easy, and free app to send & receive AES-256 secured SMS text messages.

A quick, easy, and free way to transmit and receive AES-256 encrypted SMS text messages. Provides end-to-end encryption regardless of the cellular carrier or network you use.

Adheres to FIPS PUB 197.

Advanced Encryption Standard (AES) Background:

The AES algorithm is a symmetric block cipher that can be used to encrypt and decrypt sensitive data. This app uses the AES algorithm to encrypt and decrypt data using 256 bit cryptographic keys.

AES is the NIST-preferred algorithm for encryption.