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jsrsasign

9.1.5
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  • License MIT

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).

Package Exports

  • jsrsasign

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (jsrsasign) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

jsrsasign

The 'jsrsasign' (RSA-Sign JavaScript Library) is an 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, CMS SignedData, TimeStamp and CAdES and JSON Web Signature(JWS)/Token(JWT)/Key(JWK).

license bower npm version CDNJS githubsponsors cryptocurrency

Public page is https://kjur.github.io/jsrsasign .

github TOP|API doc|Wiki|Node sample

NEWS

  • 2020-Aug-24: 9.1.0 released to new CRL APIs align with certificate
  • 2020-Aug-19: 9.0.0 released for major update of certificate and CSR generation and parsing without backward compatibility. Please see migration guide in detail.
  • 2020-Aug-02: twitter account @jsrsasign started for announcement. please follow.

HIGHLIGHTS

  • Swiss Army Knife style all in one package crypto and PKI library
  • available on Node.js and browsers
  • very easy API to use
  • powerful various format key loader and ASN.1 API
  • rich document and samples
  • no dependency to other library
  • no dependency to W3C Web Cryptography API nor OpenSSL
  • no dependency on newer ECMAScirpt function. So old browsers also supported.
  • very popular crypto library with 0.6M+ npm downloads/month

INSTALL

Node NPM

> npm install jsrsasign jsrsasign-util

Bower

> bower install jsrsasign

Or include in HTML from many CDN sites

> <script src="https://cdnjs.cloudflare.com/ajax/libs/jsrsasign/8.0.20/jsrsasign-all-min.js"></script>

USAGE

Loading encrypted PKCS#5 private key:

> var rs = require('jsrsasign');
> var rsu = require('jsrsasign-util');
> var pem = rsu.readFile('z1.prv.p5e.pem');
> var prvKey = rs.KEYUTIL.getKey(pem, 'passwd');

Sign string 'aaa' with the loaded private key:

> var sig = new a.Signature({alg: 'SHA1withRSA'});
> sig.init(prvKey);
> sig.updateString('aaa');
> var sigVal = sig.sign();
> sigVal
'd764dcacb...'

MORE TUTORIALS AND SAMPLES

RECENT SECURITY ADVISORY

published fixed version title/advisory CVE CVSS
2020Jun22 8.0.19 ECDSA signature validation vulnerability by accepting wrong ASN.1 encoding CVE-2020-14966 5.5
2020Jun22 8.0.18 RSA RSAES-PKCS1-v1_5 and RSA-OAEP decryption vulnerability with prepending zeros CVE-2020-14967 4.8
2020Jun22 8.0.17 RSA-PSS signature validation vulnerability by prepending zeros CVE-2020-14968 4.2

Here is full published security advisory list.

DONATIONS

If you like jsrsasign and my other project, you can support their development by donation through any of the platform/services below. Thank you as always.

Github Sponsors

You can sponsor jsrsasign with the GitHub Sponsors program.

Cryptocurrency

You can donate cryptocurrency to jsrsasign using the following addresses: