Difference between revisions of "Secret Key Cryptography"
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(Created page with "==Full Title or Meme== In Secret Key Cryptography two parties that wish to communicate have some method for creating pre-shared secrets which can be used to hide subsequen...") |
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==Context== | ==Context== | ||
| − | At least since the time of Julius Cesar there have been methods know to hide messages from prying eyes. | + | *At least since the time of Julius Cesar there have been methods know to hide messages from prying eyes. |
| + | *During the age of computer communications, it became possible to have real-time communications that was also: | ||
| + | #Hidden from external eavesdroppers. | ||
| + | #Protected from alternation with digital message authentication. | ||
==Problem== | ==Problem== | ||
| − | + | A shared secret is not really a secret any longer as either side gets to decide when to release the key and expose the communications, or allow fraudulent messages to be created, even long in the past. | |
==Solutions== | ==Solutions== | ||
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[[Category:Glossary]] | [[Category:Glossary]] | ||
| + | [[Category:Cryptography]] | ||
Latest revision as of 16:11, 18 April 2019
Full Title or Meme
In Secret Key Cryptography two parties that wish to communicate have some method for creating pre-shared secrets which can be used to hide subsequent communications from others.
Context
- At least since the time of Julius Cesar there have been methods know to hide messages from prying eyes.
- During the age of computer communications, it became possible to have real-time communications that was also:
- Hidden from external eavesdroppers.
- Protected from alternation with digital message authentication.
Problem
A shared secret is not really a secret any longer as either side gets to decide when to release the key and expose the communications, or allow fraudulent messages to be created, even long in the past.
