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Everything about Code 128

Barcode format

Code 128 is a high-density linear barcode symbology defined in ISO/IEC 15417:2007. It is used for alphanumeric or numeric-only barcodes. It can encode all 128 characters of ASCII and, by use of an extension symbol (FNC4), the Latin-1 characters defined in ISO/IEC 8859-1. It generally results in more compact barcodes compared to other methods like Code 39, especially when the texts contain mostly digits. Code 128 was developed by the Computer Identics Corporation in 1981. Wikipedia →

🧭 Start here: a 6-step reading path

  1. Read the overview: Code 128A 5-minute orientation
  2. Skim a recent paper: IMPLEMENTATION OF RSA AND AES-128 SUPER ENCRYPTION ON QR-CODE BASED DIGITAL SIGNATURE SCHEMES FOR DOCUMENT LEGALIZATIONInfluential work since 2022
  3. Pick up a classic book: 128 machine language for beginnersThe most-reprinted book on the subject
  4. Read the landmark paper: Weight distribution of (128, 64) Reed-Muller code (Corresp.)Cited 19 times
  5. Go sideways: DotCodeA closely related topic
  6. Go sideways: MicroPDF417A closely related topic

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🏆 Landmark papers (most cited)

🆕 Influential since 2022

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