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Gathering detailed insights and metrics for @panva/asn1.js

@panva/asn1.js - 1.0.0 | npmpackage.info

@panva/asn1.js

ASN.1 DER Encoder/Decoder and DSL for Node.js with no dependencies

1.0.0

MIT

JavaScript

7.16 kB

2.8

Installations

npm install @panva/asn1.js

Developer Guide

BETA

Typescript

No

Module System

CommonJS

Min. Node Version

>=10.13.0

Node Version

12.13.0

NPM Version

6.13.7 Score

99.9

Supply Chain

95.1

Quality

74.8

Maintenance

100

Vulnerability

100

License

Pull Requests

Open

1

Total

8

Closed

2

Merged

5

Issues

Open

0

Total

0

Closed

0

Releases

v1.0.0

Updated on Feb 18, 2020

View All 1 releases

Languages

JavaScript

JavaScript (100%)

Developer

panva

Download Statistics

Total Downloads

Last Day

Last Week

Last Month

Last Year

GitHub Statistics

MIT License

4 Stars

237 Commits

2 Forks

2 Watchers

3 Branches

1 Contributors

Updated on Mar 02, 2025

Bundle Size

24.10 kB

Minified

7.16 kB

Minified + Gzipped

Bundlephobia

Maintainers

View All 1 Contributors

Package Meta Information

Latest Version

1.0.0

Package Id

@panva/asn1.js@1.0.0

Size

12.69 kB

NPM Version

6.13.7

Node Version

12.13.0

Published on

Feb 18, 2020

Total Downloads

Cumulative downloads

Total Downloads

NaN

Dev Dependencies

mocha standard

ASN1.js

ASN.1 DER Encoder/Decoder and DSL for Node.js with no dependencies

Acknowledgement

This is a fork of @indutny's asn.js library with the following changes made:

all .int() returns are native BigInt values
lint using standard

Example

Define model:

1const asn = require('@panva/asn1.js')
2
3const Human = asn.define('Human', function () {
4  this.seq().obj(
5    this.key('firstName').octstr(),
6    this.key('lastName').octstr(),
7    this.key('age').int(),
8    this.key('gender').enum({ 0: 'male', 1: 'female' }),
9    this.key('bio').seqof(Bio)
10  )
11})
12
13const Bio = asn.define('Bio', function () {
14  this.seq().obj(
15    this.key('time').gentime(),
16    this.key('description').octstr()
17  )
18})

Encode data:

1const output = Human.encode({
2  firstName: 'Thomas',
3  lastName: 'Anderson',
4  age: 28,
5  gender: 'male',
6  bio: [
7    {
8      time: new Date('31 March 1999').getTime(),
9      description: 'freedom of mind'
10    }
11  ]
12}, 'der')

Decode data:

1const human = Human.decode(output, 'der')
2console.log(human)
3/*
4{ firstName: <Buffer 54 68 6f 6d 61 73>,
5  lastName: <Buffer 41 6e 64 65 72 73 6f 6e>,
6  age: 28n,
7  gender: 'male',
8  bio:
9   [ { time: 922820400000,
10       description: <Buffer 66 72 65 65 64 6f 6d 20 6f 66 20 6d 69 6e 64> } ] }
11*/

Partial decode

Its possible to parse data without stopping on first error. In order to do it, you should call:

1const human = Human.decode(output, 'der', { partial: true })
2console.log(human)
3/*
4{ result: { ... },
5  errors: [ ... ] }
6*/

No vulnerabilities found.

10

Dangerous-Workflow

Determines if the project's GitHub Action workflows avoid dangerous patterns.

10

Binary-Artifacts

Determines if the project has generated executable (binary) artifacts in the source repository.

10

License

Determines if the project has defined a license.

3

Vulnerabilities

Determines if the project has open, known unfixed vulnerabilities.

0

Maintained

Determines if the project is "actively maintained".

0

Code-Review

Determines if the project requires human code review before pull requests (aka merge requests) are merged.

0

Token-Permissions

Determines if the project's workflows follow the principle of least privilege.

0

Pinned-Dependencies

Determines if the project has declared and pinned the dependencies of its build process.

0

CII-Best-Practices

Determines if the project has an OpenSSF (formerly CII) Best Practices Badge.

0

Fuzzing

Determines if the project uses fuzzing.

0

Security-Policy

Determines if the project has published a security policy.

0

Branch-Protection

Determines if the default and release branches are protected with GitHub's branch protection settings.

0

SAST

Determines if the project uses static code analysis.

Score

2.8

/10

Last Scanned on 2025-06-30

The Open Source Security Foundation is a cross-industry collaboration to improve the security of open source software (OSS). The Scorecard provides security health metrics for open source projects.

Learn More

@panva/asn1.js

Installations

Developer Guide

No

CommonJS

>=10.13.0

12.13.0

6.13.7

Score

Pull Requests

1

8

2

5

Issues

0

0

0

Releases

Languages

Developer

panva

Download Statistics

GitHub Statistics

Bundle Size

24.10 kB

7.16 kB

Maintainers

Package Meta Information

Total Downloads

NaN

Dev Dependencies

ASN1.js

Acknowledgement

Example

Partial decode

10

10

10

3

0

0

0

0

0

0

0

0

0

2.8

/10

Weekly Downloads

Monthly Downloads

Yearly Downloads