MAC 227: Intro to Crypto at LaGuardia Community College
3 credits · Fall 2026
Intro to Crypto (MAC 227) at LaGuardia Community College has 4 ways to take it in Fall 2026. 3 of 4 sections have an open seat right now.
Professors teaching it: Praveenkumar Khethavath, Omar Ait Hellal, and Doyel Pal.
Of the 3 professors with a Chill Rank, Praveenkumar Khethavath ranks chillest (Fair) and Doyel Pal least chill (Fair).
Compare them below, check the days and times, and add the course to your schedule.
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.
Best professors for MAC 227 at LaGuardia CC, Fall 2026
- Praveenkumar KhethavathChill Rank 3 of 5: Fair?
1 section · 1 open · ★ 3.7 (47) · difficulty 2.9/5 · 62% would take again
- Omar Ait HellalChill Rank 3 of 5: Fair?
1 section · 1 open · ★ 3.9 (50) · difficulty 3.1/5 · 63% would take again
- Doyel PalChill Rank 3 of 5: Fair?
2 sections · 1 open · ★ 3.9 (31) · difficulty 3.4/5 · 66% would take again
Ordered chillest first. A Chill Rank compares a professor with other CUNY professors on Rate My Professors difficulty, rating and would-take-again; it needs at least 3 ratings. How it works
MAC 227 sections, times and seats
Seat status as of Oct 4, 8:08 PM ET. Seats can change between refreshes. How fresh is this?
Chill Rank compares professors using Rate My Professors reviews, from Chill to Brutal. What each rank means
Questions about MAC 227 at LaGuardia CC
- Who teaches MAC 227 at LaGuardia CC in Fall 2026?
- Praveenkumar Khethavath, Omar Ait Hellal, and Doyel Pal are listed for Fall 2026. Each name links to a page with their Chill Rank and Rate My Professors numbers.
- Is MAC 227 at LaGuardia CC hard?
- It depends on the professor. Across the 3 professors with a Chill Rank, students on Rate My Professors give an average difficulty of 3.1 out of 5. The Chill Rank above compares them directly.
- What if a MAC 227 section is full?
- Try another section, join the waitlist in CUNYfirst if there is one, or ask the department. You can also watch a full section and get an email when a seat opens; you still enroll yourself in CUNYfirst.