Encrypt/Decrypt algorithm(s) with a small footprint

Hello, I'm looking for a non-trivial algorithm to encrypt/decrypt texts in an embedded environment when the following restrictions apply: 1. Minimal ROM footprint - only have 4[KB] to play with...
Encrypt/Decrypt algorithm(s) with a small footprint

Hello, I'm looking for a non-trivial algorithm to encrypt/decrypt texts in an embedded environment when the following restrictions apply: 1. Minimal ROM footprint - only have 4[KB] to play with...
Bootloader with Encryption for STM32F103?

Hello, I look in vain for the STM32F103 bootloader with secure (encryptet RSA or AES or ..} project For exmamplele Silb have for EFM32 mcu AN0060: Bootloader with AES Encryptio www.silabs.com/.....
Bootloader with Encryption for STM32F103?

Hello, I look in vain for the STM32F103 bootloader with secure (encryptet RSA or AES or ..} project For exmamplele Silb have for EFM32 mcu AN0060: Bootloader with AES Encryptio www.silabs.com/.....
Boot loader with encryption fw for STM32F1?

Hello, You have not come across anyone on the project with the bootloader encrypted transfer fw, for STM32?