Shamir's Secret Sharing (SSS) Splitter & Reconstructor
100% In-Browser Privacy
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Split master passwords into M-of-N threshold shares with GF(256) math.
Total Shares to Issue (N):5 Shares
Required Quorum to Unlock (K):3 of 5
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100% Zero-Upload Privacy
All computation executes exclusively inside your device memory using Web APIs and WebAssembly. No data or files ever leave your browser.
Real-Time Native Execution
Zero network roundtrips. Operates offline without sending external API requests, delivering instantaneous sub-millisecond computation.
Developer-First Architecture
Engineered with RFC standards, cryptographic primitives (Web Crypto Subtle API), and production-grade formatting libraries.
Step-by-Step: How to Use Shamir's Secret Sharing (SSS) Splitter & Reconstructor
- Enter Secret: Input the private key, password, or master recovery phrase.
- Configure Quorum: Choose total shares (N) and required threshold (K) to reconstruct.
- Distribute Shares: Distribute generated shares securely among trusted parties.
Frequently Asked Questions
How secure is Shamir's Secret Sharing?
SSS provides information-theoretic security. Any group with fewer than the threshold K shares possesses zero mathematical knowledge about the original secret.
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