cipher: References & Edit History
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Article History
| Type | Description | Contributor | Date |
|---|---|---|---|
| Invalidated site: University of Babylon - Advantages and Disadvantages of Asymmetric and Symmetric Cryptosystems. | Jun 22, 2026 | ||
| Add new Web site: University of Missouri - St. Louis - Cryptosystems. | May 01, 2025 | ||
| Add new Web site: Academia - Cryptosystems and Information Security (PDF). | Jan 22, 2025 | ||
| Add new Web site: University of Babylon - Advantages and Disadvantages of Asymmetric and Symmetric Cryptosystems. | Oct 03, 2024 | ||
| Add new Web site: Khan Academy - Ciphers vs. codes. | Feb 11, 2023 | ||
| Added material about the German Enigma machine being an example of a rotor cipher. | Jun 14, 2021 | ||
| Add new Web site: Khan Academy - Ciphers vs. codes. | Apr 29, 2016 | ||
| Add new Web site: Cryptography - Simple Substitution Ciphers. | Feb 22, 2011 | ||
| Article revised and updated. | Jan 03, 2008 | ||
| Article added to new online database. | Jul 20, 1998 |
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