Utility functions for Bitcoin hashes and targets. 

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bitcoin-util

Utility functions for Bitcoin hashes and targets

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(Experimental) An ambiguous license classifier was found.

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Ambiguous License Classifier

Source files are encoded using a non-standard text encoding.

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Bad text encoding

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Bad semver

Package has dependencies with an invalid semantic version. This could be a sign of beta, low quality, or unmaintained dependencies.

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Bad dependency semver

Source files contain bidirectional unicode control characters. This could indicate a Trojan source supply chain attack. See: trojansource.codes for more information.

What are bidirectional unicode control characters?

Bidirectional unicode control characters

This package has multiple bin scripts with the same name. This can cause non-deterministic behavior when installing or could be a sign of a supply chain attack.

What is bin script confusion?

Bin script confusion

Semantic versions published out of chronological order.

What is a chronological version anomaly?

Chronological version anomaly

Project maintainer's SSH key has been compromised.

What is a compromised SSH key?

Compromised SSH key

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Copyleft License

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Title

Critical CVE

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What is a CVE?

High CVE

Uses debug, reflection and dynamic code execution features.

What is debug access?

Debug access

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Deprecated

(Experimental) Contains a known deprecated SPDX license exception.

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Deprecated SPDX exception

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Deprecated license

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Possible typosquat attack

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Dynamic require

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Empty package

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Environment variable access

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File dependency

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What is filesystem access?

Filesystem access

Package has a dependency with a floating version range. This can cause issues if the dependency publishes a new major version.

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Wildcard dependency

Contains a dependency which resolves to a remote git URL. Dependencies fetched from git URLs are not immutable can be used to inject untrusted code or reduce the likelihood of a reproducible install.

What are git dependencies?

Git dependency

Contains a dependency which resolves to a GitHub URL. Dependencies fetched from GitHub specifiers are not immutable can be used to inject untrusted code or reduce the likelihood of a reproducible install.

What are GitHub dependencies?

GitHub dependency

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What is an AI-detected potential code anomaly?

AI-detected potential code anomaly

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What is AI-detected potential malware?

AI-detected potential malware

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What are AI-detected potential security risks?

AI-detected potential security risk

Contains native code (e.g., compiled binaries or shared libraries). Including native code can obscure malicious behavior.

Why is native code a concern?

Native code

Contains high entropy strings. This could be a sign of encrypted data, leaked secrets or obfuscated code.

What are high entropy strings?

High entropy strings

Contains unicode homoglyphs which can be used in supply chain confusion attacks.

What are unicode homoglyphs?

Unicode homoglyphs

Contains a dependency which resolves to a remote HTTP URL which could be used to inject untrusted code and reduce overall package reliability.

What are http dependencies?

HTTP dependency

Install scripts are run when the package is installed. The majority of malware in npm is hidden in install scripts.

What is an install script?

Install scripts

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Invalid manifest file

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What are invisible characters?

Invisible chars

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License Policy Violation

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What's wrong with long strings?

Long strings

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Major refactor

This package is malware. We have asked the package registry to remove it.

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Known malware

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Manifest confusion

Contains a medium severity Common Vulnerability and Exposure (CVE).

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Medium CVE

Contains a low severity Common Vulnerability and Exposure (CVE).

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Low CVE

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Minified code

(Experimental) A package's licensing information has fine-grained problems.

Misc. License Issues

The package was published by an npm account that no longer exists.

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Non-existent author

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Missing license

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(Experimental) Package contains multiple licenses.

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Mixed license

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What is a modified license exception?

Modified license exception

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What is a modified license?

Modified license

What is network access?

Network access

A new npm collaborator published a version of the package for the first time. New collaborators are usually benign additions to a project, but do indicate a change to the security surface area of a package.

What is new author?

New author

Package does not specify a list of contributors or an author in package.json.

Why is contributor and author data important?

No contributors or author data

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No bug tracker

(Experimental) License information could not be found.

No License Found

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No README

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No repository

Package does not have any tests. This is a strong signal of a poorly maintained or low quality package.

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No tests

Package is not semver >=1. This means it is not stable and does not support ^ ranges.

What is wrong with semver < v1?

No v1

What is a missing website?

No website

(Experimental) Package has a non-FSF-approved license.

What is a non FSF license?

Non FSF license

(Experimental) Package has a non-OSI-approved license.

What is a non OSI license?

Non OSI license

(Experimental) Package contains a non-standard license somewhere. Please read carefully before using.

		@@ -1,7 +0,2 @@
		var buffertools
		try {
		buffertools = require('buffertools')
		} catch (e) {
		buffertools = require('browserify-buffertools')
		}
		var reverse = require('buffer-reverse')

		@@ -18,3 +13,3 @@ var nullHash = new Buffer('0000000000000000000000000000000000000000000000000000000000000000', 'hex')
		}
		return buffertools.reverse(new Buffer(hex, 'hex'))
		return reverse(new Buffer(hex, 'hex'))
		}
		@@ -21,0 +16,0 @@

		{
		"name": "bitcoin-util",
		"version": "2.0.2",
		"version": "2.0.3",
		"description": "Utility functions for Bitcoin hashes and targets",
		@@ -23,4 +23,3 @@ "main": "index.js",
		"bn.js": "^4.6.4",
		"browserify-buffertools": "^1.0.2",
		"buffertools": "^2.1.3"
		"buffer-reverse": "^1.0.1"
		},
		@@ -31,8 +30,2 @@ "devDependencies": {
		},
		"optionalDependencies": {
		"buffertools": "^2.1.3"
		},
		"browser": {
		"buffertools": "browserify-buffertools"
		},
		"repository": {
		@@ -39,0 +32,0 @@ "type": "git",

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