Research
Malicious fezbox npm Package Steals Browser Passwords from Cookies via Innovative QR Code Steganographic Technique
A malicious package uses a QR code as steganography in an innovative technique.
By Olivia Brown - Sep 22, 2025
@solana/assertions
Advanced tools
@solana/assertions
Helpers for asserting that a JavaScript environment supports certain features necessary for the operation of the Solana JavaScript SDK
- Version
- 2.0.0-experimental.76ad167
- Version published
- Weekly downloads
- 340K 1.11%
- Maintainers
- 15
Weekly downloads
- Created
@solana/assertions
This package contains utilities for asserting that a JavaScript environment supports certain features necessary for the operation of the Solana JavaScript SDK.
Functions
assertDigestCapabilityIsAvailable()
Throws an exception unless crypto.subtle.digest() is available in the current JavaScript environment.
assertKeyExporterIsAvailable()
Throws an exception unless crypto.subtle.exportKey() is available in the current JavaScript environment.
assertKeyGenerationIsAvailable()
Throws an exception unless crypto.subtle.generateKey() is available in the current JavaScript environment and has support for the Ed25519 curve.
assertSigningCapabilityIsAvailable()
Throws an exception unless crypto.subtle.sign() is available in the current JavaScript environment.
assertVerificationCapabilityIsAvailable()
Throws an exception unless crypto.subtle.sign() is available in the current JavaScript environment.
Keywords
FAQs
Helpers for asserting that a JavaScript environment supports certain features necessary for the operation of the Solana JavaScript SDK
The npm package @solana/assertions receives a total of 277,667 weekly downloads. As such, @solana/assertions popularity was classified as popular.
We found that @solana/assertions demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
Package last updated on 29 Jan 2024
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
Related posts
Research
/Security News
Identifying and Preventing Fraudulent Engineering Candidates: An Investigation into 80 Confirmed Cases
Socket identified 80 fake candidates targeting engineering roles, including suspected North Korean operators, exposing the new reality of hiring as a security function.
By Lauren Valencia, Kirill Boychenko - Sep 17, 2025
Application Security
/Research
/Security News
Updated and Ongoing Supply Chain Attack Targets CrowdStrike npm Packages
Socket detected multiple compromised CrowdStrike npm packages, continuing the "Shai-Hulud" supply chain attack that has now impacted nearly 500 packages.
By Kush Pandya, Peter van der Zee, Olivia Brown, Socket Research Team - Sep 16, 2025