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@larlon/verifier-and-challenge

v2.1.0

Published

Generates a verifier and a challenge according to rfc7636.

Downloads

440

Vulnerabilities

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  • 0High
  • 0Medium
  • 0Low

Links

Git

Maintainers

larlonlarlon

Keywords

OIDCPKCERFC7636

Readme

verifier-and-challenge

An npm package for generating verifier and challenge values as described in RFC 7636.

This package exports a single function called generateVerifierAndChallenge, which generates a Promise which resolves with an object with two keys. One is called verifier, and is a 43-character random string, consisting of URL-safe characters. The other is called challenge, and is the SHA-256 hash of the verifier.

These values can be used as a "Proof key for code exchange for OAuth public clients", as described in https://tools.ietf.org/html/rfc7636.

Compatibility

The code should work in IE 11 and modern browsers, assuming that window.Promise is defined. For IE 11, that means you will have to use a polyfill. https://github.com/stefanpenner/es6-promise is one alternative.