KS X 6923

1. 본문

KS X 6923 is a Korean Standard (KS) related to contactless smart cards, specifically for payment Security Application Modules (SAMs) used in public transportation systems. Here's a breakdown of what the standard covers:

• Purpose: It defines the standards for SAMs embedded in standard terminals for compatible use of contactless electronic money in South Korea. It is the standard for what is commonly called a "KS transportation card."
• Development: The standard was first established in 2004 and revised in 2006.
• Components: The KS X 6923 standard is composed of four parts:
• Part 1: Deals with the physical characteristics and basic structure of the payment SAM.
• Part 2: Specifies the commands and protocols.
• Part 3: Covers the cryptographic algorithms.
• Part 4: Focuses on conformity testing.
• Function: SAM acts as a small authentication server chip, which is utilization of cryptographic and authentication, and processes data from the transportation card.
• Compatibility: KS X 6923 ensures that contactless payment systems, particularly in public transportation, are interoperable within South Korea.