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iCLASS truncated CSN 56bit

Everything you need to understand iCLASS truncated CSN 56bit

Card format overview

A proprietary 56-bit card format used in access control systems, featuring a unique structure composed of 56-bit card number, allowing for easy management and avoiding card number duplication for secure, contactless access.

iCLASS truncated CSN 56bit format properties

Card Number

56 bits. A unique serial number (0-72,057,594,037,927,935) for each card within that facility code.

Generate examples

Put in the values for this card format, we'll generate the results in a few different formats.

56 bits, 0–72,057,594,037,927,935.

Here's your example

Hex
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Decimal
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Binary
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Mobile credentials. Zero complexity.

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