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公开(公告)号：US11960608B2
公开(公告)日：2024-04-16
申请号：US17243834
申请日：2021-04-29
CPC分类号： G06F21/575 , H04L9/3236 , G06F2221/034
摘要： A method to secure boot an electronic device is disclosed according to some embodiments. The method includes receiving a request to initiate a boot sequence using memory content stored in a non-volatile memory circuit. A secure boot circuit receives verification data from the non-volatile memory circuit indicating the memory content. The verification data includes an error correction code for the memory content without including all of the memory content. A cryptographic hashing operation is performed to the error correction code in the secure boot circuit to obtain a digest of the error correction code. The digest is compared with a pre-stored reference digest to generate a verification signal. The verification signal is provided to the electronic device indicating whether the boot sequence passes the verification.
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公开(公告)号：US20220350891A1
公开(公告)日：2022-11-03
申请号：US17243834
申请日：2021-04-29
摘要： A method to secure boot an electronic device is disclosed according to some embodiments. The method includes receiving a request to initiate a boot sequence using memory content stored in a non-volatile memory circuit. A secure boot circuit receives verification data from the non-volatile memory circuit indicating the memory content. The verification data includes an error correction code for the memory content without including all of the memory content. A cryptographic hashing operation is performed to the error correction code in the secure boot circuit to obtain a digest of the error correction code. The digest is compared with a pre-stored reference digest to generate a verification signal. The verification signal is provided to the electronic device indicating whether the boot sequence passes the verification.
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