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MAC 227

Intro to Crypto · 3 credits · Fall 2026

Requirements

Pre-requisite of MAT 115 or MAT 117 AND pre/co-requisite of MAC 101 or MAC 108 are required.

About this course

This course is an introduction to cryptography and its history, introducing students to classical as well as modern concepts of cryptography. Topics covered include substitution, transposition, shared key cryptosystems (DES, 3DES, and AES), public key cryptosystems (RSA), key exchange, digital signatures, digital certificates, PGP, e-mail security, Secure Socket Layer and IPSec.

Seat status as of Oct 3, 2:39 AM ET. Seats can change between refreshes.

Chill Rank compares professors using Rate My Professors reviews, from Chill to Brutal. What each rank means

2988-LEC Regular
Tue/Thu · 10:30 AM - 12:45 PM
Center 3 C-117 / B Building B-330
Doyel PalChill Rank 3 of 5: Fair?★ 3.9(31)Difficulty 3.4/5 · 66% would take again#3 chillest of 3 for this course
In PersonClosed
2989-LEC Regular
Arranged · TBA
Online-Asynchronous
Doyel PalChill Rank 3 of 5: Fair?★ 3.9(31)Difficulty 3.4/5 · 66% would take again#3 chillest of 3 for this course
Online AsynchronousOpen
2993-LEC Regular
Mon/Wed · 8:00 AM - 10:15 AM
M Building M-B45
Praveenkumar KhethavathChill Rank 3 of 5: Fair?★ 3.7(47)Difficulty 2.9/5 · 62% would take again#1 chillest of 3 for this course
In PersonOpen
5434-LEC Regular
Tue/Thu · 5:45 PM - 7:55 PM
B Building B-326
Omar Ait HellalChill Rank 3 of 5: Fair?★ 3.9(50)Difficulty 3.1/5 · 63% would take again#2 chillest of 3 for this course
In PersonOpen