The idea of cryptography has been in existence since 1900 BC with the use of inscriptions on the tomb of Khnumhotep II, in Egypt (Red Hat). Ever since that time, the uses and methods have changed, but the overall idea of transferring information in a secret and efficient manner has been the driving force for faster and safer data transfer. This paper will define cryptography, discuss its long history, current trends and the future of the complex electronic security technology.
To begin, the idea of cryptography should be defined. ”Cryptography is a cornerstone of the modern electronic security technologies used today to protect valuable information resources on intranets, extranets, and the Internet” (Microsoft). Specifically, today’s cryptosystems use mathematical algorithms, among other techniques, to provide network and information security. An even deeper explanation is that cryptography-based security technologies commonly use one or more of the following basic components to provide security functions (Microsoft):
• Encryption algorithms
• Message digest functions
• Hashed Message Authentication Code (HMAC) functions
• Secret key exchange algorithms
• Digital signatures
It is vital to protect information sent via the Internet. Cryptography provides the encryption needed to relay data in a secure manner. Without it, emails, files and other private information would be easily assessable to anyone, anywhere. Cryptography is a necessity to every business, organization or individual that uses the Internet to share information.
HISTORY OF CRYPTOGRAPHY
As was stated earlier, the Egyptians used a form of cryptography in their tombs. That example does not compare to ...
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... you, the evolution of encryption will also have to change.
According to Brian LaMacchia, director for security and cryptography at Microsoft Research, the future will bring a “demonstration of an end-to-end encrypted TLS connection using quantum-resistant public-key algorithms for both key exchange (for confidentiality) and digital signatures (for authentication)” (Tech Desk).
Many forms of cryptography have been used throughout the years; from hieroglyphics and ciphers to the security used to transfer data in technology today. The purpose and method has changed, but the complexity has increased tremendously. Just within the last 25 years the need for higher security and faster processing is of vital importance. With the emergence of quantum computers, the technology used today, along with the current encryption method, will soon be obsolete.
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