COM SCI 183

Introduction to Cryptography

Computer Science · 4 units · Undergraduate upper division (100-199)

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Introduction to cryptography, computer security, and basic concepts and techniques. Topics include notions of hardness, one-way functions, hard-core bits, pseudorandom generators, pseudorandom functions and pseudorandom permutations, semantic security, public-key and private-key encryption, key-agreement, homomorphic encryption, private information retrieval and voting protocols, message authentication, digital signatures, interactive proofs, zero-knowledge proofs, collision-resistant hash functions, commitment protocols, and two-party secure computation with static security.

Letter grading.

When it runs

Not on the schedule for any of Fall 2025 through Spring 2027. UCLA publishes only that window, so this does not mean the course is gone — check the official listing.

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Requisites

Official UCLA wording
Preparation: knowledge of basic probability theory. Enforced requisite: course 180.

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BruinTree could not read this requirement — see UCLA’s wording above.

· could not read "knowledge of basic probability theory" (no course number found)
· no course reference could be read from this requisite

BruinTree reads · Prerequisite

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COM SCI 180

Requires

Everything that has to come before this course, not just the courses named in the requisite above.

COM SCI 183

COM SCI 180Introduction to Algorithms and Complexity
- COM SCI 32Introduction to Computer Science II
  - COM SCI 31Introduction to Computer Science I
- MATH 61Introduction to Discrete Structures
  - MATH 31ADifferential and Integral Calculus1 more beneath

Unlocks

What this course is a requisite for, and what those courses lead to in turn.

No course in the catalog lists this as a requisite.