%PDF-1.4 %âãÏÓ 1 0 obj << /Type /Catalog /Pages 2 0 R >> endobj 2 0 obj << /Type /Pages /Count 2 /Kids [5 0 R 7 0 R] >> endobj 3 0 obj << /Type /Font /Subtype /Type1 /BaseFont /Helvetica >> endobj 4 0 obj << /Type /Font /Subtype /Type1 /BaseFont /Helvetica-Bold >> endobj 5 0 obj << /Type /Page /Parent 2 0 R /MediaBox [0 0 595.28 841.89] /Resources << /Font << /F1 3 0 R /F2 4 0 R >> >> /Contents 6 0 R >> endobj 6 0 obj << /Length 5436 >> stream BT /F2 22 Tf 0.06 0.08 0.12 rg 1 0 0 1 46 789.89 Tm (How Does Zero-Knowledge Encryption Work) Tj ET BT /F2 11 Tf 0.72 0.14 0.18 rg 1 0 0 1 46 752.89 Tm (TechRounder PDF Edition) Tj ET BT /F1 9.5 Tf 0.36 0.39 0.46 rg 1 0 0 1 46 736.89 Tm (Live article: https://www.techrounder.com/security/how-does-zero-knowledge-encryption-work/) Tj ET q 0.82 0.85 0.9 RG 1 w 46 718.39 m 549.28 718.39 l S Q BT /F1 10 Tf 0.24 0.27 0.32 rg 1 0 0 1 46 706.39 Tm (By Vipin PG | Published November 24, 2022 | Updated March 8, 2026 | Format: Analysis | 4 min read) Tj ET BT /F2 13 Tf 0.72 0.14 0.18 rg 1 0 0 1 46 683.39 Tm (In brief) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 663.39 Tm (File encryption is an effective data protection solution for individuals and businesses dealing with) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 648.39 Tm (sensitive data. Encrypted files are encoded, providing additional security and preventing unauthorized) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 633.39 Tm (access.) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 608.39 Tm (File encryption is an effective data protection solution for individuals and businesses dealing with) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 593.39 Tm (sensitive data. Encrypted files are encoded, providing additional security and preventing unauthorized) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 578.39 Tm (access. In addition, it ensures that the files are read only by the users they were intended for.) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 556.39 Tm (Even more advanced than basic encryption is zero-knowledge encryption. This article will explain) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 541.39 Tm (zero-knowledge encryption, how it works, and why you might need it to protect your data.) Tj ET BT /F2 15 Tf 0.08 0.1 0.14 rg 1 0 0 1 46 513.39 Tm (What is Zero-knowledge Encryption?) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 489.39 Tm (Encryption is a fairly common term on the internet. It implies that files are unreadable to all except) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 474.39 Tm (authorized recipients. This protection is crucial when dealing with sensitive personal or business data.) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 459.39 Tm (A Virtual Private Network \(VPN\) is a common way to encrypt data and remain anonymous online.) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 437.39 Tm (Zero-knowledge encryption is a newly popularized term that takes encryption to the next level. It means) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 422.39 Tm (that no one except you \(not even the service provider\) has access to the secured files.) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 400.39 Tm (It's important to understand that zero knowledge isn't an encryption protocol like TLS/SSL. It's) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 385.39 Tm (merely an encryption method that builds on these protocols with more, stricter rules. The term) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 370.39 Tm (describes an encryption process where data is always encrypted, and only one person has the) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 355.39 Tm (password to unlock it, making it particularly secure.) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 333.39 Tm (To be zero-knowledge, data must be encrypted before it leaves your device, while it transfers, and) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 318.39 Tm (after it lands on a server. These three stages are known:) Tj ET BT /F1 10.5 Tf 0.2 0.23 0.28 rg 1 0 0 1 46 296.39 Tm (- Client-side encryption) Tj ET BT /F1 10.5 Tf 0.2 0.23 0.28 rg 1 0 0 1 46 279.59 Tm (- Encryption in transit) Tj ET BT /F1 10.5 Tf 0.2 0.23 0.28 rg 1 0 0 1 46 262.79 Tm (- Encryption at rest) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 245.99 Tm (These stages are associated with different encryption protocols, including TLS, AES, and others.) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 230.99 Tm (Zero-knowledge combines these protocols into a single, heavily secure encryption method.) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 208.99 Tm (The password plays a massive role in zero-knowledge encryption. It's the key that allows you to) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 193.99 Tm (decrypt the data. The password is never stored anywhere, not even with the service provider. Only) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 178.99 Tm (you have the password, which means that even if someone infiltrates the service, they can't access) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 163.99 Tm (the data. But how can the service verify your password if they don't store it? That's where) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 148.99 Tm (zero-knowledge proof comes in.) Tj ET BT /F2 13 Tf 0.08 0.1 0.14 rg 1 0 0 1 46 120.99 Tm (What is zero-knowledge proof?) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 98.99 Tm (Zero-knowledge proof is a different concept from zero-knowledge encryption. They often work) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 83.99 Tm (together to create zero-knowledge encryption, but that's not always the case.) Tj ET q 0.86 0.88 0.92 RG 1 w 46 42 m 549.28 42 l S Q BT /F1 8.4 Tf 0.42 0.45 0.5 rg 1 0 0 1 46 30 Tm (TechRounder | Page 1 of 2) Tj ET BT /F1 7.2 Tf 0.42 0.45 0.5 rg 1 0 0 1 46 19 Tm (https://www.techrounder.com/pdf/blog/how-does-zero-knowledge-encryption-work.pdf) Tj ET endstream endobj 7 0 obj << /Type /Page /Parent 2 0 R /MediaBox [0 0 595.28 841.89] /Resources << /Font << /F1 3 0 R /F2 4 0 R >> >> /Contents 8 0 R >> endobj 8 0 obj << /Length 5332 >> stream BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 789.89 Tm (Zero-knowledge proof is a cryptographic authentication method where the service provider asks that) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 774.89 Tm (you prove your knowledge of the password instead of providing the actual password. For example, a) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 759.89 Tm (banking app may ask you to provide the password's first, third, and ninth letters. Only someone who) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 744.89 Tm (knows the password could give this, thus proving their authenticity.) Tj ET BT /F2 15 Tf 0.08 0.1 0.14 rg 1 0 0 1 46 716.89 Tm (Are there any drawbacks to zero-knowledge encryption?) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 692.89 Tm (Although zero knowledge is the most advanced encryption method, it has some drawbacks. That's why) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 677.89 Tm (it's used sparingly and only when dealing with sensitive data.) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 655.89 Tm (The most glaring problem is how easy it is for you to get locked out of your data. If you forget your) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 640.89 Tm (password, you can't recover it or create a new one since the service provider doesn't have it either.) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 625.89 Tm (All they can do is ask you to enter the recovery key provided at the start of the encryption process. If) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 610.89 Tm (you don't have that key, it will be almost impossible to regain access to your files.) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 588.89 Tm (Due to its added emphasis on security, zero-knowledge encryption also limits several features that) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 573.89 Tm (improve the user experience. For example, you'll be unable to preview images or documents as they) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 558.89 Tm (need to be decrypted.) Tj ET BT /F2 15 Tf 0.08 0.1 0.14 rg 1 0 0 1 46 530.89 Tm (Why you need zero-knowledge encryption) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 506.89 Tm (Despite its few drawbacks, zero-knowledge encryption is an excellent security option. However, it's) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 491.89 Tm (best to only use it with highly sensitive personal and financial information, customer and business data,) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 476.89 Tm (etc.) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 454.89 Tm (The main advantage is that no one other can access your data. You can control how the data is handled) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 439.89 Tm (since it's first stored locally before reaching the server. Even if the service provider suffers a) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 424.89 Tm (breach or attack, your data will remain protected as you're the only one with the password.) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 402.89 Tm (Zero-knowledge encryption is most prevalent with cloud storage providers and password managers.) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 387.89 Tm (These services have advanced algorithms that make zero-knowledge implementation easier. If you) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 372.89 Tm (have very sensitive data that you want to ensure remains protected, storing it on cloud storage that) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 357.89 Tm (supports zero-knowledge encryption is a great option.) Tj ET BT /F2 13 Tf 0.08 0.1 0.14 rg 1 0 0 1 46 329.89 Tm (Final Thoughts) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 307.89 Tm (Encryption is an effective and much-necessary security measure in today's vulnerable online) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 292.89 Tm (landscape. Zero-knowledge encryption is the most advanced method you should reserve for your most) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 277.89 Tm (sensitive data. Zero-knowledge implies that only you have the password to unlock the encrypted data,) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 262.89 Tm (making it significantly more secure.) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 240.89 Tm (When encrypting data with the zero-knowledge method, make sure you also remember the recovery) Tj ET BT /F1 11 Tf 0.14 0.16 0.2 rg 1 0 0 1 46 225.89 Tm (key, as you may need it if you ever get locked out.) Tj ET BT /F2 13 Tf 0.08 0.1 0.14 rg 1 0 0 1 46 197.89 Tm (References) Tj ET BT /F1 10 Tf 0.18 0.2 0.24 rg 1 0 0 1 46 177.89 Tm (1. nordvpn.com - features / vpn-security - https://nordvpn.com/features/vpn-security/) Tj ET BT /F1 10 Tf 0.18 0.2 0.24 rg 1 0 0 1 46 160.39 Tm (2. nordlocker.com - features / zero-knowledge-encryption -) Tj ET BT /F1 10 Tf 0.18 0.2 0.24 rg 1 0 0 1 46 146.89 Tm (https://nordlocker.com/features/zero-knowledge-encryption/) Tj ET BT /F1 10 Tf 0.18 0.2 0.24 rg 1 0 0 1 46 129.39 Tm (3. ethereum.org - en / zero-knowledge-proofs - https://ethereum.org/en/zero-knowledge-proofs/) Tj ET q 0.86 0.88 0.92 RG 1 w 46 42 m 549.28 42 l S Q BT /F1 8.4 Tf 0.42 0.45 0.5 rg 1 0 0 1 46 30 Tm (TechRounder | Page 2 of 2) Tj ET BT /F1 7.2 Tf 0.42 0.45 0.5 rg 1 0 0 1 46 19 Tm (https://www.techrounder.com/pdf/blog/how-does-zero-knowledge-encryption-work.pdf) Tj ET endstream endobj xref 0 9 0000000000 65535 f 0000000015 00000 n 0000000064 00000 n 0000000127 00000 n 0000000197 00000 n 0000000272 00000 n 0000000414 00000 n 0000005901 00000 n 0000006043 00000 n trailer << /Size 9 /Root 1 0 R >> startxref 11426 %%EOF