Digital Signatures Explained: Non-repudiation, Hashing, Private Keys скачать в хорошем качестве

Digital Signatures Explained: Non-repudiation, Hashing, Private Keys

A digital signature is NOT just an image of your name on a PDF. It is a mathematical proof that guarantees three things: Authentication, Integrity, and Non-Repudiation. In this video, Sec Guy explains the exact workflow of signing a document (Hash - Encrypt with Private Key) and why this process makes it legally impossible for a sender to say "It wasn't me." [Exam Ready Route - FREE] Pass your certification for $0. ✅ Training Videos & Practice Tests ✅ Sec Guy Mobile Lab (On-the-go training powered by AI voice) ✅ Discord Access (Study sessions & Industry networking) 👉 Start Here: https://secguy.org [Job Ready Route - MEMBERSHIP] Stop studying and start working. Get the hands-on experience hiring managers are asking for. 🔥 Hands-On Labs: Python, Encryption, Hashing, AI, & CTFs 🔥 Salary Negotiator Workshop 🔥 Experience Builder: Real-world projects to fill your resume 👉 Get Hired: https://secguy.org [Exam Domain Checklist] This video covers critical objectives for the following exams: Security+ [ ] Domain 1.1: Cryptographic Concepts (Digital Signatures, Non-Repudiation) [ ] Domain 1.3: Identity and Access Management (Authentication Proof) CISSP [ ] Domain 3: Security Architecture (Digital Signatures & Message Digests) [ ] Domain 4: Communication & Network Security (Secure Email Standards - S/MIME) CISM [ ] Domain 2: Information Risk Management (Data Integrity & Non-Repudiation Controls) CRISC [ ] Domain 2: IT Risk Assessment (Risks of Repudiation) CCSP [ ] Domain 2: Cloud Data Security (Data Integrity & Origin Authentication) SecurityX (CompTIA) [ ] Domain 2.0: Security Architecture (Implementing PKI & Digital Signatures) GIAC GSEC (SANS) [ ] Cryptography: Digital Signatures & Non-Repudiation AWS CSS (Certified Security – Specialty) [ ] Domain 2: Data Protection (Code Signing & Data Integrity) Pentest+ (CompTIA) [ ] Domain 3: Attacks and Exploits (Forging Signatures / Hash Collisions) CEH (Certified Ethical Hacker) [ ] Domain 4: Cryptography (Public Key Infrastructure & Signing) SecAI+ [ ] AI Security: Model Signing (Verifying the Origin of AI Models) [Timestamps] 0:00 - Intro: Digital Signatures vs. Wet Ink 0:32 - The 3 Guarantees: Authentication, Integrity, Non-Repudiation 0:46 - Step 1: Hashing the Data (Creating the Fingerprint) 1:16 - Step 2: Encrypting the Hash with the PRIVATE Key 1:38 - Step 3: Verification with the PUBLIC Key 2:07 - Non-Repudiation: Why You Can't Deny It in Court 2:34 - Outro: Stay Safe, Stay Secure.