Hashing Courses and Certifications

UofU Data Science

Locality-Sensitive Hashing and Distribution Distances - Lecture 7

Discover LSH techniques for fast similarity search using hash functions and banding, plus explore distribution distances like KL, Hellinger, and Wasserstein metrics.

• YouTube
• 1 hour 21 minutes
• Self-Paced
• Free Video

LF Decentralized Trust

Besu Core Concepts - Blockchain Propagation, Genesis File, Gas Concept, Logs and Events, Hashing and Signing

Explore blockchain fundamentals with Besu: propagation, genesis files, gas concepts, logs & events, plus hashing and signing techniques in this comprehensive learning session.

• YouTube
• 1 hour 22 minutes
• Self-Paced
• Free Video

PyCon Israel

Lazy-Freeze - Another Look at Hashing and Immutability

Discover a novel lazy-freeze technique that makes objects immutable only after first hash calculation, enabling safe mutability until used as dict keys or set items.

• YouTube
• 20 minutes
• Self-Paced
• Free Video

A02: Cryptographic Failures

Learn how improper cryptographic implementations expose secrets, passwords, and sensitive data—and apply secure hashing, environment variables, and database encryption to protect them.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

A02: Cryptographic Failures

Identify and fix cryptographic failures by eliminating hardcoded secrets, securing password hashes, and protecting sensitive payment data.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

A02: Cryptographic Failures

Learn to identify and remediate cryptographic failures by replacing hardcoded secrets, weak password hashes, and plaintext card storage with safer implementations.

• CodeSignal
• 2 hours
• Self-Paced
• Free Certificate

Career Certificate

Applied Cryptography

923 ratings at Coursera

Learn cryptography from information entropy and classical ciphers through symmetric and public-key algorithms, hash functions, message authentication codes, digital signatures, and key management.

• Coursera
• 4 weeks, 10 hours a week
• Self-Paced
• Paid Course
• 4 courses

The Merkle Tree and Cryptocurrencies

26 ratings at Coursera

Assemble block header hash values for a given hash puzzle difficulty, see how Merkle trees sequence blocks, and weigh proof-of-work against proof-of-stake.

• Coursera
• 4 weeks, 2 hours a week
• Self-Paced
• Paid Course

Classical Cryptosystems and Core Concepts

430 ratings at Coursera

Learn core cryptography concepts: tell codes from ciphers, apply frequency analysis to break polyalphabetic ciphers like Vigenère, and see how hash functions secure designs.

• Coursera
• 4 weeks, 3 hours a week
• Self-Paced
• Paid Course

Encryption and Cryptography Essentials

51 ratings at Coursera

Apply AES and RSA encryption, Diffie-Hellman key exchange, MD5 and SHA hashing, and digital signatures using OpenSSL, and manage PKI certificates with OCSP validation.

• Coursera
• 4 weeks, 4 hours a week
• Self-Paced
• Paid Course

Encryption and Cryptography Essentials

51 ratings at Coursera

Master symmetric and asymmetric encryption with AES and RSA, apply MD5 and SHA hashing, manage PKI certificates with OCSP, and explore blockchain through hands-on OpenSSL labs.

• Coursera
• 4 weeks, 4 hours a week
• Self-Paced
• Paid Course

Career Certificate

Master Basics of Cybersecurity Fundamentals Training

7 ratings at Coursera

Analyze logs to spot SQL injection and DDoS attacks, secure credentials with SHA-256 hashing, and simulate ECB and CBC block cipher modes.

• Coursera
• 4 weeks, 10 hours a week
• Self-Paced
• Paid Course
• 3 courses

Infosec

Laravel Protections

Configure Laravel's built-in protections: avoid SQL injection when extending the database layer, secure Eloquent model properties, hash and encrypt data, harden sessions and cookies, and rate limit endpoints.

• Coursera
• 1 hour 22 minutes
• Self-Paced
• Paid Course

Packt

Ethical Password Cracking

Crack passwords with John the Ripper and Hashcat: collect and break Windows, macOS, Linux, WPA/WPA2, CMS, vault and crypto wallet hashes, then harden defenses.

• Coursera
• 11 weeks, 1 hour a week
• Self-Paced
• Paid Course

Conversations in Cryptography

Explore cryptography from classical rotating ciphers and XOR logic to hashing, RSA key pairs, digital certificates, and the public key infrastructure that secures the internet.

• Coursera
• 5 weeks, 1 hour a week
• Self-Paced
• Paid Course