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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, CMS SignedData, TimeStamp, CAdES and JSON Web Signature(JWS)/Token(JWT)/Key(JWK)

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FEATURES

The 'jsrsasign' library provides following features in pure JavaScript.

NEWS

2017-Jun-30:
Release 8.0.0 is now available. All deprecated methods, classes and files are removed and all-min.js file get smaller size.
2017-May-21:
Release 7.2.0 is now available. Major refactoring before major release update. Making Many long name methods deprecated and new short name methods are provided to reducing file size.
2017-Mar-15:
NOTICE: Some people complains that 'jsrsasign' is too huge to use in the web sites. The 'jsrsasign' is 'swiss army knife' style crypto library which has a lot of functionality some users may think not necessary. So I'm planning to remove all of deprecated codes in the next major release 3 month later (may be 8.0.0 in July) to to shrink size. Until then please use subset package. Thanks.
2016-Nov-03:
Release 6.2.0 is now available. Cipher class added.
2016-Sep-24:
Release 6.1.0 is now available. RFC 6960 OCSP protocol support added.
2016-Sep-11:
Release 6.0.0 is now available. Now "jsrsasign" become "fs" safe so that it will be available for CommonJS or Webpack.
2016-Sep-03:
Slides for jsrsasign introduction is available.
2016-Feb-28:
Release 5.0.6 is now available. Now jsrsasign can be used in strict mode (--use_strict) of Node.JS.
2015-Nov-23:
Release 5.0.4 is now available. There is no library and npm update but sample Node scripts are added. Especially I hope jwtverify tool is very useful for JOSE guys :).
2015-Nov-11:
Release 5.0.2 is now available. RFC 7638 JWK thumbprint supported. Some file read/save functions added for Node.js in nodeutil.js.
Old news is here.

DOWNLOAD

See 'ChangeLog.txt' in detail.

API DOCUMENT

The 'jsrsasign'(RSA-Sign JavaScript Library) JavaScript API document is available here.

LICENSE

The 'jsrsasign'(RSA-Sign JavaScript Library) is licensed under the terms of the MIT license reproduced which is simple and easy to understand and places almost no restrictions.

PROGRAMMING TUTORIALS

You can see the list of QUnit unit tests here and I hope they help you understand 'jsrsasign' library and APIs.

PROJECTS THAT USE JSRSASIGN

jwcrypto
JavaScript implementation of JWS, JWT and JWC. The jycrypto is also used by Mozilla BrowserID/Persona. (used here)
jwt-js
JSON Web Tokens implemented in pure JavaScript. (used here)
npm node-bignumber
A pure javascript implementation of BigIntegers and RSA crypto for Node.js (used here)
npm bignumber-jt
A pure javascript implementation of BigIntegers and RSA crypto. (used here)
NDN.JS
a JavaScript client library for Named Data Networking of Univ. of Memphis. (used here)
cryptico
An easy-to-use encryption system utilizing RSA and AES for javascript. (used here)
jspackcrx
Package Chrome extension files using pure JavaScript. (used here)
xml-signer
xmldsig signatures in a browser (used here)

DEPENDENCY