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gmsm-sm2js

v0.7.1

Published

Pure Javascript implementation of the SM2/SM3/SM4 functions based on jsrsasign

Downloads

220

Vulnerabilities

Powered byPowered by Snyk
  • 0High
  • 0Medium
  • 0Low

Links

Git

Maintainers

emmansunemmansun

Keywords

sm2sm3sm4gmsmjsrsasign

Readme

sm2js (jsrsasign-sm)

SM2JS CI npm version NPM Downloads

sm2js is a pure Javascript implementation of the GM-Standards SM2 (also support sm3/sm4) based on jsrsasign.

基于jsrsasign实现的优势在于充分利用jsrsasign的PKIX，CSR，CERT，PKCS8等处理能力。您也可以参考另外一个实现：sjcl-sm。

SM2

  • sign/verify functions (Passed integration test with ALI KMS)
  • sm2Sign/sm2Verify functions (include uid and curve related parameters in signature)
  • encrypt/decrypt functions (Passed integration test with ALI KMS), support both PLAIN and ASN.1 encoding format ciphertext output
  • SM2 certificate signing request generation and parse
  • SM2 certificate parse and verify signature, test CA & certificate are generated from https://www.gmcert.org/
  • Parse SM2 private key in PKCS8 format (both encrypted and plaintext).

For usage, please reference sm2_test.js

SM3

SM3使用比较简单，请参考cryptojs_sm3_test.js。单独的SM3实现，可以参考gmsm-sm3js。

SM4

jsrsasign 内嵌了crypto-js的剪裁版本，只支持默认的CBC模式和PKCS7填充模式（本实现为了测试，添加了ECB模式和无填充填充模式）。本SM4实现同时实现了sjcl所需方法，所以可以和sjcl支持的加密模式一起使用。具体使用方法，请参考cryptojs_sm4_test.js。当然，把本SM4实现和独立的crypto-js结合使用也是可以的。

在NodeJS环境下，修改过的KJUR.crypto.Cipher.encrypt和KJUR.crypto.Cipher.decrypt会优先使用NodeJS Native实现，这两个方法目前只支持以下模式：

  • aes128-CBC
  • aes256-CBC
  • des-EDE3-CBC
  • sm4-CBC