SECURE CHANNEL INITIATION BETWEEN CARD AND HOST
DE602024004145T2Active Publication Date: 2026-04-22GIESECKE DEVRIENT MOBILE SECURITY GERMANY GMBH
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Patent Information
- Authority / Receiving Office
- DE · DE
- Patent Type
- Patents
- Current Assignee / Owner
- GIESECKE DEVRIENT MOBILE SECURITY GERMANY GMBH
- Filing Date
- 2024-08-13
- Publication Date
- 2026-04-22
AI Technical Summary
Technical Problem
Existing secure channel initiation protocols between a card and a host, such as those described in GPC_SPE_014, expose confidential data like key version numbers and identifiers, which can be leaked to unauthorized entities, compromising security.
Method used
A secure channel initiation procedure where the card and host use a static encryption key, generate unique session keys, and replace key version numbers and identifiers with an anonymous SCP key identity, processed through cryptographic functions, ensuring secure communication without exposing sensitive information.
Benefits of technology
Enhances security by concealing key information, making it difficult for attackers to discern the used keys, thereby fortifying the secure channel initiation process.
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