LSE Technologies recently announced it is enabling secure end-to-end network data transfers for M2M applications and IoT devices with its Lightweight Stream Encryption Technology (LSET) C source code packages. 
Three versions of the LSET Professional product line are available for different levels of security and processing resources:
- LSET Pro is targeted at 8-bit and low-end 16/32-bit microcontrollers and offers basic encryption algorithm for short control/status messages.
- LSET ProX is targeted at mid-range 16/32-bit microcontrollers with an enhanced encryption/decryption engine and key security features. It is suitable for short control/status messaging as well as video and firmware updates.
- LSET ProXT is targeted at higher end 32-bit microcontrollers and provides a more advanced encryption/decryption engine and additional key security features. It is suitable for longer messages such as in gateway applications as well as for video and firmware updates.
On a common 32-bit microcontroller, a typical implementation of the LSET ProX package would require about 600 bytes of code space plus 64 bytes of RAM and with a 20-MHz CPU clock encryption/decryption could be performed in about 2.5 µs per byte.
The LSET source code packages were designed to be easily incorporated into existing code bases. In many cases data encryption can be added to a product in just a few hours. The LSET Professional C source code packages start at $500 for the LSET Pro package.
Source: LSE Technologies
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