As kids, we had our own secret codes and words that we used to communicate when outsiders were around. That was a basic from of cryptography. Computer users today have sophisticated tools at their disposal to encrypt messages, so that only they and designated recipients can understand those messages. Scambled Egg is an Open Source [...]
- Author: Martin Brinkmann
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Cryptography Tutorial
This is a very informative site that explains many cryptography concepts. He begins by defining cryptography as “the science of writing in secret code and is an ancient art” and mentions that the first documented use of dates back to 1900 BC Egypt.
After that he explains why cryptography is essential for todays internet communication: “cryptography is necessary when communicating over any untrusted medium, which includes just about any network, particularly the Internet.”