根据需要选择软件或硬件加密Maxim > Design Support > Technical Documents > Tutorials > General Engineering Topics > APP 5421 Maxim > Design Support > Technical Documents > Tutorials > Microcontrollers > APP 5421 Keywords: cryptography, algorithm, secure micro, cia, financial terminal, HSM, hardware security module, secret key, ibutton, smart card May 25, 2012 TUTORIAL 5421 Cryptography in Software or Hardware―It Depends on the Need May 25, 2012 Abstract:As the length of software keys increases to accommodate evolving needs for greater security, so the marketplace demands a wider variety of cryptographic implementations. With recent improvements in core design and frequency performance, designers are now a……