asn1 — tachograph tachograph-go, community, tachograph, ide skills, Claude Code, Cursor, Windsurf

v1.0.0
GitHub

About this Skill

Ideal for AI Agents specializing in data encoding and decoding, particularly those working with DTCo and ASN.1 formats. Reference for ASN.1 notation, BER (Basic Encoding Rules), and DER (Distinguished Encoding Rules). Use when decoding/encoding binary data, debugging ASN.1 structures, or understanding PKCS standards.

# Core Topics

tachograph
way-platform way-platform
[8]
[3]
Updated: 3/23/2026

Killer-Skills Review

Decision support comes first. Repository text comes second.

Reference-Only Page Review Score: 7/11

This page remains useful for operators, but Killer-Skills treats it as reference material instead of a primary organic landing page.

Original recommendation layer Concrete use-case guidance Explicit limitations and caution Locale and body language aligned
Review Score
7/11
Quality Score
20
Canonical Locale
en
Detected Body Locale
en

Ideal for AI Agents specializing in data encoding and decoding, particularly those working with DTCo and ASN.1 formats. Reference for ASN.1 notation, BER (Basic Encoding Rules), and DER (Distinguished Encoding Rules). Use when decoding/encoding binary data, debugging ASN.1 structures, or understanding PKCS standards.

Core Value

Empowers agents to process tachograph (.DDD) files efficiently, leveraging the Go SDK for streamlined workflows and automation, while mastering Abstract Syntax Notation One (ASN.1) and its encoding rules, including BER and DER.

Ideal Agent Persona

Ideal for AI Agents specializing in data encoding and decoding, particularly those working with DTCo and ASN.1 formats.

↓ Capabilities Granted for asn1

Decoding ASN.1 encoded data from tachograph files
Automating tasks involving DTCo and ASN.1 encoding
Generating reference materials for BER and DER encoding rules

! Prerequisites & Limits

  • Requires Go SDK for implementation
  • Specific to ASN.1, BER, and DER encoding formats
  • Limited to processing tachograph (.DDD) files

Why this page is reference-only

  • - The underlying skill quality score is below the review floor.

Source Boundary

The section below is imported from the upstream repository and should be treated as secondary evidence. Use the Killer-Skills review above as the primary layer for fit, risk, and installation decisions.

After The Review

Decide The Next Action Before You Keep Reading Repository Material

Killer-Skills should not stop at opening repository instructions. It should help you decide whether to install this skill, when to cross-check against trusted collections, and when to move into workflow rollout.

Install Path

Start With Installation And Validation

If this skill is worth continuing with, the next step is to confirm the install command, CLI write path, and environment validation.
Trusted Recheck

Cross-Check Against Trusted Picks

If you are still comparing multiple skills or vendors, go back to the trusted collection before amplifying repository noise.
Workflow

Move To Workflow Collections For Team Rollout

When the goal shifts from a single skill to team handoff, approvals, and repeatable execution, move into workflow collections.
Labs Demo

Browser Sandbox Environment

⚡️ Ready to unleash?

Experience this Agent in a zero-setup browser environment powered by WebContainers. No installation required.

Boot Container Sandbox

FAQ & Installation Steps

These questions and steps mirror the structured data on this page for better search understanding.

? Frequently Asked Questions

What is asn1?

Ideal for AI Agents specializing in data encoding and decoding, particularly those working with DTCo and ASN.1 formats. Reference for ASN.1 notation, BER (Basic Encoding Rules), and DER (Distinguished Encoding Rules). Use when decoding/encoding binary data, debugging ASN.1 structures, or understanding PKCS standards.

How do I install asn1?

Run the command: npx killer-skills add way-platform/tachograph-go/asn1. It works with Cursor, Windsurf, VS Code, Claude Code, and 19+ other IDEs.

What are the use cases for asn1?

Key use cases include: Decoding ASN.1 encoded data from tachograph files, Automating tasks involving DTCo and ASN.1 encoding, Generating reference materials for BER and DER encoding rules.

Which IDEs are compatible with asn1?

This skill is compatible with Cursor, Windsurf, VS Code, Trae, Claude Code, OpenClaw, Aider, Codex, OpenCode, Goose, Cline, Roo Code, Kiro, Augment Code, Continue, GitHub Copilot, Sourcegraph Cody, and Amazon Q Developer. Use the Killer-Skills CLI for universal one-command installation.

Are there any limitations for asn1?

Requires Go SDK for implementation. Specific to ASN.1, BER, and DER encoding formats. Limited to processing tachograph (.DDD) files.

↓ How To Install

  1. 1. Open your terminal

    Open the terminal or command line in your project directory.

  2. 2. Run the install command

    Run: npx killer-skills add way-platform/tachograph-go/asn1. The CLI will automatically detect your IDE or AI agent and configure the skill.

  3. 3. Start using the skill

    The skill is now active. Your AI agent can use asn1 immediately in the current project.

! Reference-Only Mode

This page remains useful for installation and reference, but Killer-Skills no longer treats it as a primary indexable landing page. Read the review above before relying on the upstream repository instructions.

Upstream Repository Material

The section below is imported from the upstream repository and should be treated as secondary evidence. Use the Killer-Skills review above as the primary layer for fit, risk, and installation decisions.

Upstream Source

asn1

Install asn1, an AI agent skill for AI agent workflows and automation. Works with Claude Code, Cursor, and Windsurf with one-command setup.

SKILL.md
Readonly
Upstream Repository Material
The section below is imported from the upstream repository and should be treated as secondary evidence. Use the Killer-Skills review above as the primary layer for fit, risk, and installation decisions.
Supporting Evidence

ASN.1, BER, and DER

This skill provides reference material for Abstract Syntax Notation One (ASN.1) and its encoding rules (BER/DER).

Quick Reference

Universal Tags

Tag (Hex)Type
01BOOLEAN
02INTEGER
03BIT STRING
04OCTET STRING
05NULL
06OBJECT IDENTIFIER
10SEQUENCE / SEQUENCE OF
11SET / SET OF
13PrintableString
14T61String
16IA5String
17UTCTime

Identifier Octet (First Byte)

Bits 8-7: Class

  • 00: Universal
  • 01: Application
  • 10: Context-specific
  • 11: Private

Bit 6: PC (Primitive/Constructed)

  • 0: Primitive (Value is directly in contents)
  • 1: Constructed (Contents are nested TLV elements)

Bits 5-1: Tag Number (if < 31)

Detailed Guide

For a comprehensive guide on notation, encoding rules, and specific type handling, read the bundled reference:

references/guide.md

Contents of the Guide:

  1. Introduction: Overview of OSI, ASN.1, BER, DER.
  2. ASN.1 Notation: Simple types, structured types, tagging.
  3. BER: Primitive vs. Constructed, Definite vs. Indefinite length.
  4. DER: subset of BER for unique encoding (Canonical).
  5. Type-Specific Encodings: Detailed breakdown of how to encode INTEGER, BIT STRING, SEQUENCE, etc.
  6. Example: Walkthrough of an X.500 Name encoding.

Common Operations

Deciphering a Tag

If you encounter byte 0x30:

  • Binary: 0011 0000
  • Class: 00 (Universal)
  • P/C: 1 (Constructed)
  • Tag: 10000 (16 -> SEQUENCE)

If you encounter byte 0xA0:

  • Binary: 1010 0000
  • Class: 10 (Context-specific)
  • P/C: 1 (Constructed)
  • Tag: 00000 (0 -> [0])

Variable Lengths

  • Short Form: 0x00 - 0x7F (0-127 bytes).
  • Long Form: Bit 8 is 1. Bits 7-1 = number of length bytes following.
    • Example: 0x81 0x80 -> Length is in next 1 byte (0x81), value is 0x80 (128).
    • Example: 0x82 0x01 0x00 -> Length is in next 2 bytes (0x82), value is 0x0100 (256).

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