Security and privacy impacts many applications, ranging from secure commerce and payments to private communications and protecting health care information. By the turn of the century, of course, the Internet had grown in size and importance so as to be the provider of essential communication between billions of people around the world and is the ubiquitous tool for commerce, social interaction, and the exchange of an increasing amount of personal information and we even have a whole form of currency named for cryptography! Many thought that increased security provided comfort to paranoid people while most computer professionals realized that security provided some very basic protections that we all needed? Cryptography for the masses barely existed at that time and was certainly not a topic of common discourse. In the early-1990s, when the commercial Internet was still young (!), security was taken seriously by most users. Number of transformation rounds in Rijndael.
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