When the first character is “=” all data is encoded in Base64. Encode TLV into Base64: This allows TLV fields to be encoded in Base64 when the first character is | and the fields are separated by |Įxample: |IDAutomation|123456789012345| 06:04:31|92435.33|2692.22.To read QR codes, well be using the JavaScript port of the Java-based. The following options are available when the ApplyTilde or ProcessTilde option is enabled. Scan from File: Detected QR code: Generate Download & Scan QR Code with React js. IDAutomation offers an enhanced encoding ability to support TLV with and without Base64 in QR Code for products updated in 2022 or later. The scan result will decode the base64 string and show the tag (field number) and the length (length of the next field) and the value (the data in the field). The app also verifies that the TLV fields are encoded correctly. TLV values are shown in Hexadecimal before each field. The data can be better examined and tested with the IDAutomation Data Decoder Verifier App. Combine the fields and TLV values into a single stringīelow is a TLV Base-64 encoded QR Code invoice example that includes UTF-8 Unicode characters.Ī standard scanner will show the base64 string of data that is encoded.Calculate TLV values before each field of data.Generate and print a QR code encoded in Base64format with up to 500. The following is a simple overview of this process: The Base64 online converter supports both functions of the algorithm on same page. It is a requirement per KSA Zakat, Tax and Customs Authority ( ZATCA) of Saudi Arabia to encode e-invoicing fields in TLV format and then encode that string in Base64 within a QR Code. Base64 conversion is also used to support the encoding of Unicode characters, such as Arabic text, with systems such as barcode scanners that cannot otherwise support these characters. Base64 is a method of encoding a string of data, which makes the text that is encoded appear encrypted. Tag-Length-Value ( TLV) is a method of encoding fields of data within a single string of data or a barcode symbol.
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