The History of Cryptology
The concept of "security" covers a wide range of interests of both individuals and entire nations. In present days, a prominent place is given to the issue of information security, the protection of confidential business information from various rival groups. The importance of keeping information in secret was already known since ancient times. With the advent of writing, there was the danger of reading it by undesirable persons. There were three main ways to protect information. One of them is supposed to protect it by forceful methods: The secret information (documents) was protected by the responsible persons. The second ...
