https://kdpisda.in/tag/hash/Recent content in Hash on Kuldeep PisdaHugoen-usSun, 29 Jun 2025 07:08:11 +0530https://kdpisda.in/secret-messages-understanding-encryption-vs-hashing-through-a-90s-love-story/Thu, 27 Mar 2025 15:38:52 +0530https://kdpisda.in/secret-messages-understanding-encryption-vs-hashing-through-a-90s-love-story/<p>The year was 1998. A time of dial-up internet, boy bands, and passing notes in class. For 16-year-old Alex and Jamie, passing notes was their lifeline—a private channel in a world where their parents monitored everything from phone calls to AOL Instant Messenger.</p> <p><picture> <source type="image/webp" srcset="https://kdpisda.in/secret-messages-understanding-encryption-vs-hashing-through-a-90s-love-story/students-14-15-in-corridor-2024-10-18-06-05-43-utc-Medium_hu_75cce1d642a070dd.webp 400w, https://kdpisda.in/secret-messages-understanding-encryption-vs-hashing-through-a-90s-love-story/students-14-15-in-corridor-2024-10-18-06-05-43-utc-Medium_hu_281353ee0a65e60c.webp 640w" sizes="(min-width: 46rem) 704px, 100vw"> <img src="https://kdpisda.in/secret-messages-understanding-encryption-vs-hashing-through-a-90s-love-story/students-14-15-in-corridor-2024-10-18-06-05-43-utc-Medium_hu_8025d4a2b529ff65.jpeg" srcset="https://kdpisda.in/secret-messages-understanding-encryption-vs-hashing-through-a-90s-love-story/students-14-15-in-corridor-2024-10-18-06-05-43-utc-Medium_hu_9495a4960344507b.jpeg 400w, https://kdpisda.in/secret-messages-understanding-encryption-vs-hashing-through-a-90s-love-story/students-14-15-in-corridor-2024-10-18-06-05-43-utc-Medium_hu_8025d4a2b529ff65.jpeg 640w" sizes="(min-width: 46rem) 704px, 100vw" width="640" height="427" alt="" loading="lazy" decoding="async"> </picture></p> <p>It began innocently enough. Folded notebook paper slipped between textbooks during class changes. Messages hidden in borrowed CDs. Notes taped under cafeteria tables to be retrieved later.</p>