Package

jsrsasign

opensource free pure JavaScript cryptographic library supports RSA/RSAPSS/ECDSA/DSA signing/validation, ASN.1, PKCS#1/5/8 private/public key, X.509 certificate, CRL, OCSP, CMS SignedData, TimeStamp and CAdES and JSON Web Signature(JWS)/Token(JWT)/Key(JWK)

v11.1.5, 14 Aug 2026MITCommonJSTypes: NoneCryptography and hashing Authentication and authorisation

$ npm install jsrsasign

npm GitHub Homepage

Deprecated on npm

This package is no longer maintained.

Key numbers

As of 25 Sept 2026

Weekly downloads: 980.1k; +105% over 12 months
Gzip bundle size: -; No Bundlephobia data
Dependencies: 0; Direct, from package.json
Last release: 1 month ago; v11.1.5
GitHub stars: 3.4k; 650 forks
Open issues / PRs: 27 / 9
Contributors: -
Commits, last 52 weeks: 34

Downloads

Last week 2026-09-15 to 2026-09-21

Weekly npm downloads, one point per week, weeks starting 23 Sept 2025 to 15 Sept 2026. The y axis starts at zero.

980,091 downloads last week, 4,800,921 in the last month. The 12-month change of +105% compares the average of the last 4 weeks with the first 4 weeks of the series.

Maintenance

Releases, last 12 months: 5156 in total
Latest version: 11.1.5, 14 Aug 20261 month ago
First published: 6 Oct 2013
Last push to GitHub: 19 Aug 202637 days before the snapshot
Repository archived: No
Open issues: 27
Open pull requests: 9
Commits, last 52 weeks: 34
Dependents on npm: -

Major versions

v11 first release 11.0.0, 16 Jan 2024
v10 first release 10.0.0, 24 Sept 2020
v9 first release 9.0.0, 19 Aug 2020
v8 first release 8.0.0, 29 Jun 2017
v7 first release 7.0.0, 25 Dec 2016
v6 first release 6.0.0, 11 Sept 2016
v5 first release 5.0.0, 13 Oct 2015
v4 first release 4.8.2, 6 Jun 2015
v0 first release 0.0.1, 6 Oct 2013

Recent releases

Version	Published
11.1.5	14 Aug 2026
11.1.4	14 Aug 2026
11.1.3	17 Apr 2026
11.1.2	12 Apr 2026
11.1.1	20 Feb 2026
11.1.0	1 Feb 2024
11.0.0	16 Jan 2024
10.9.0	27 Nov 2023
10.8.6	26 Apr 2023
10.8.5	26 Apr 2023
10.8.4	26 Apr 2023
10.8.3	19 Apr 2023
10.8.2	15 Apr 2023
10.8.1	9 Apr 2023

Compatibility

Module format: CommonJSFrom package.json type, main and exports fields
TypeScript types: None
Node.js engine range: Not declared
Runtimes: -
Unpacked size (npm): 869 kB
Dependencies (0): None

Install

npm install jsrsasign

CDN

jsDelivr: 1.4m requests in 30 days

jsDelivrhttps://cdn.jsdelivr.net/npm/jsrsasign@11.1.5/
unpkghttps://unpkg.com/jsrsasign@11.1.5/
esm.shhttps://esm.sh/jsrsasign@11.1.5

Alternatives

Package	Weekly downloads	Gzip	Last release	Module	Comparison
jwa JWA implementation (supports all JWS algorithms)	61.4m	-	1 year ago	CommonJS	-
openssl-nodejs is a package which gives you a possibility to run every [OpenSSL](https://www.openssl.org/) command in [Node.js](https://nodejs.org/en/) in a handy way. Moreover, parameters like -in, -keyin, -config and etc can be replaced by a raw data ([Buffor](https:/	12.3k	-	7 years ago	CommonJS	-
bcryptjs Optimized bcrypt in plain JavaScript with zero dependencies, with TypeScript support. Compatible to 'bcrypt'.	9.7m	-	10 months ago	ESM + CommonJS	-
bcrypt A bcrypt library for NodeJS.	4.5m	-	1 year ago	CommonJS	-
scrypt The scrypt crypto library for NodeJS	28.7k	-	10 years ago	-	-
iron-webcrypto a cryptographic utility for sealing-unsealing a JSON object using symmetric key encryption with message integrity verification	8.5m	-	9 months ago	ESM only	-
@hapi/iron Encapsulated tokens (encrypted and mac'ed objects)	1.2m	-	3 years ago	CommonJS	-

Sources: npm registry, npm downloads API, GitHub API, jsDelivr. Data fetched 25 Sept 2026.

Indexability: Not indexed (discovery only): deprecated.