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Data Theft Repackaged: A Case Study in Malicious Wrapper Packages on npm
The Socket Research Team breaks down a malicious wrapper package that uses obfuscation to harvest credentials and exfiltrate sensitive data.
jsontokens
Advanced tools
node.js library for encoding, decoding, and verifying JSON Web Tokens (JWTs)
node.js library for signing, decoding, and verifying JSON Web Tokens (JWTs) with the ES256K signature scheme (which uses the secp256k elliptic curve). This is currently the only supported signing and verification scheme for this library.
npm install jsontokens
import { TokenSigner } from 'jsontokens'
const rawPrivateKey = '278a5de700e29faae8e40e366ec5012b5ec63d36ec77e8a2417154cc1d25383f'
const tokenPayload = {"iat": 1440713414.85}
const token = new TokenSigner('ES256K', rawPrivateKey).sign(tokenPayload)
import { createUnsecuredToken } from 'jsontokens'
const unsecuredToken = createUnsecuredToken(tokenPayload)
import { decodeToken } = from 'jsontokens'
const tokenData = decodeToken(token)
The TokenVerifier class will validate that a token is correctly signed. It does not perform checks on the claims in the payload (e.g., the exp
field)--- checking the expiration field, etc., is left as a requirement for callers.
import { TokenVerifier } from 'jsontokens'
const rawPublicKey = '03fdd57adec3d438ea237fe46b33ee1e016eda6b585c3e27ea66686c2ea5358479'
const verified = new TokenVerifier('ES256K', rawPublicKey).verify(token)
eyJ0eXAiOiJKV1QiLA0KICJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJqb2UiLA0KICJleHAiOjEzMDA4MTkzODAsDQogImh0dHA6Ly9leGFtcGxlLmNvbS9pc19yb290Ijp0cnVlfQ.dBjftJeZ4CVP-mB92K27uhbUJU1p1r_wW1gFWFOEjXk
FAQs
node.js library for encoding, decoding, and verifying JSON Web Tokens (JWTs)
We found that jsontokens demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 3 open source maintainers collaborating on the project.
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