Channel · @berkeley-cs161
CS 161 (Computer Security) at UC Berkeley
A course from this channel is on Best free university computer science courses on YouTube, ranked by total hours
Total watch time
2d 2h 25m
at 1× speed · exactly 2 days, 2 hours, 25 minutes, 24 seconds at 1×
Next time, skip the copying: change youtube.com to playlistduration.com in any playlist, video or channel address and it opens here.
Uploads by year
1 year
| Year | Videos | Watch time | Average |
|---|---|---|---|
| 2025 | 377 | 2d 2h 25m | 8m 1s |
Playlists (72)
Every public playlist on the channel — open one for its full breakdown
Lengths are calculated on demand so this page stays fast.
Longest uploads
Top 5 · 2h 50m and down
- [CS161 FA25] Public-Key Encryption, Digital Signatures, Certificates, Passwords, Case Studies · 2:50:25 · 2025-10-07
- [CS161 FA25] Lectures 7-8: One-time Pads, Block Ciphers, Block Cipher Modes of Operation · 2:50:18 · 2025-09-23
- [CS161 FA25] Lectures 1-2: Security Principles, x86 Assembly · 2:49:39 · 2025-09-03
- [CS161 FA25] Lectures 3-4: Memory Safety Vulnerabilities · 2:48:42 · 2025-09-09
- [CS161 FA25] Lectures 9-10: Cryptographic Hashes, MACs, PRNGs, Diffie-Hellman Key Exchange · 2:47:57 · 2025-09-30
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Data from the YouTube Data API as of 2026-10-19 (cached). Uploads are counted newest first; private, deleted and live videos are excluded from totals.