Information security device and information security system
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United States of America Patent
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Jun 11, 2013
Grant Date -
Oct 21, 2010
app pub date -
Jun 23, 2008
filing date -
Jun 25, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a migration system considering security authentication levels and data protection strength levels of the both security devices between which data is migrated. A first terminal includes a mechanism for protecting data by a private key in the public key method held by TPM, and a second terminal includes a key in the private key method encrypted by the private key in the public key method held by TPM and a mechanism for protecting the data by the key. A Migration Authority holds a security policy table describing a security policy and judges whether data movement from the first terminal to the second terminal is enabled according to the security policy table.
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