Tag Archives: RC4

In cryptography, RC4 (Rivest Cipher 4 also known as ARC4 or ARCFOUR meaning Alleged RC4, see below) is a stream cipher. While remarkable for its simplicity and speed in software, multiple vulnerabilities have been discovered in RC4, rendering it insecure.

Common BLE issues

Here we introduce a few main issues with BLE based on our experience working with hardware companies to develop software and firmware.