noble-secp256k1
constant-time
| noble-secp256k1 | constant-time | |
|---|---|---|
| 3 | 4 | |
| 696 | 18 | |
| - | - | |
| 7.5 | 0.0 | |
| 14 days ago | about 2 years ago | |
| JavaScript | WebAssembly | |
| MIT License | GNU General Public License v3.0 or later |
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noble-secp256k1
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A beginner's guide to constant-time cryptography (2017)
I noticed in July of 2022 that Go did exactly the vulnerable example and reported it to the security team.
https://github.com/golang/go/issues/53849
It was fixed as of Go 1.21 https://go.dev/doc/go1.21
---
The article cites JavaScript, which is not constant time. There's no sure way to do constant time operations in JavaScript and thus no secure way to do crypto directly in Javascript. Browsers like Firefox depend on low level calls which should be implemented in languages that are constant time capable.
JavaScript needs something like constant time WASM in order to do crypto securely, but seeing the only constant time WASM project on GitHub has only 16 stars and the last commit was 2 years ago, it doesn't appear to have much interest. https://github.com/WebAssembly/constant-time
However, for JavaScript, I recommend Paul's library Noble which is "hardened to be algorithmically constant time". It is by far the best library available for JavaScript. https://github.com/paulmillr/noble-secp256k1
- Noble Cryptography
- How to encrypt data in JS using a library
constant-time
-
A beginner's guide to constant-time cryptography (2017)
I noticed in July of 2022 that Go did exactly the vulnerable example and reported it to the security team.
https://github.com/golang/go/issues/53849
It was fixed as of Go 1.21 https://go.dev/doc/go1.21
---
The article cites JavaScript, which is not constant time. There's no sure way to do constant time operations in JavaScript and thus no secure way to do crypto directly in Javascript. Browsers like Firefox depend on low level calls which should be implemented in languages that are constant time capable.
JavaScript needs something like constant time WASM in order to do crypto securely, but seeing the only constant time WASM project on GitHub has only 16 stars and the last commit was 2 years ago, it doesn't appear to have much interest. https://github.com/WebAssembly/constant-time
However, for JavaScript, I recommend Paul's library Noble which is "hardened to be algorithmically constant time". It is by far the best library available for JavaScript. https://github.com/paulmillr/noble-secp256k1
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Age WASM - age encryption tool in the browser
Also see the constant time spec: https://github.com/WebAssembly/constant-time
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Show HN: We are trying to (finally) get tail-calls into the WebAssembly standard
I'm waiting for constant time WASM. https://github.com/WebAssembly/constant-time/blob/main/propo...
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Ed25519 Online Tool - Sign, Verify, and Generate Ed25519 Keys.
Also: We're excited for constant time Wasm.
What are some alternatives?
javascript-obfuscator - A powerful obfuscator for JavaScript and Node.js
Ed25519Tool - Ed25519 signing and verification online tool.
zkp-ecdsa - Proves knowledge of an ECDSA-P256 signature under one of many public keys that are stored in a list.
proposal-ptc-syntax - Discussion and specification for an explicit syntactic opt-in for Tail Calls.
elliptic - Fast Elliptic Curve Cryptography in plain javascript
uwm-masters-thesis - My thesis for my Master's in Computer Science degree from the University of Wisconsin - Milwaukee.
secp256k1-voi - High assurance Go secp256k1 (Mirror)
spec - WebAssembly specification, reference interpreter, and test suite.
ecma262 - Status, process, and documents for ECMA-262
trezor-suite - :candy: Trezor Suite Monorepo
TypeScript - TypeScript is a superset of JavaScript that compiles to clean JavaScript output.