Key protection method and system
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United States of America Patent
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Nov 21, 2017
Issued Date -
N/A
app pub date -
Sep 24, 2013
filing date -
Jan 10, 2013
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Abstract
Proposed are a key protection method and system. The method comprises: a: receiving by a mobile terminal a registration instruction, generating a user's public key and private key, and sending the user's public key to a third-party e-business verification server, if the mobile terminal respectively passes identity verifications of the mobile bank server and a comprehensive pre-position bank server; b: performing a verification by the mobile bank server on user's trade information, and performing a trade by the comprehensive pre-position bank server if the verification is successful; c: generating by the mobile terminal an updated parameter for protecting a private key after the trade is performed, sending to the mobile bank server, receiving a successful updating result from the mobile bank server and encrypting and storing the user's private key. The present invention can increase the difficulty of an attack, and improve security.
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