Method for secure communication from chip card and system for performing the same
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United States of America Patent
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Sep 28, 2010
Grant Date -
N/A
app pub date -
Dec 3, 2004
filing date -
Dec 3, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and system is provided to secure a data transmission from a chip card to an off-card entity. A transport key is generated at the off-card entity. The transport key is transmitted in a secure manner from the off-card entity to the chip card. At the chip card, the transport key is used to encrypt data to be sent from the chip card to the off-card entity. The data having been encrypted at the chip card using the transport key is then transmitted from the chip card to the off-card entity. The off-card entity is capable of decrypting the data received from the chip card through use of the transport key previously generated at the off-card entity.
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