发明名称 |
Information processing system, program product, and information processing method |
摘要 |
A boot block that contains a first public key is activated and a system Basic Input/Output System (BIOS) that contains a second public key and a first digital signature is verified, the verifying being performed by confirming that the first and second public keys match. In response to a determination that the first and second public keys match, the BIOS is activated and a system image is loaded to a real device. The system image is verified by confirming that the first digital signature that is stored in the system BIOS matches a second digital signature that is stored in a mass storage device. In response to the first and second digital signatures matching, a virtual mass storage device is created. Control of the virtual mass storage device is transferred to a boot strap code in an operating system image and the operating system image is booted from the virtual mass storage device.
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申请公布号 |
US7937575(B2) |
申请公布日期 |
2011.05.03 |
申请号 |
US20050312001 |
申请日期 |
2005.12.19 |
申请人 |
LENOVO (SINGAPORE) PTE. LTD. |
发明人 |
HAJJI HASSAN;KAWANO SEIICHI;MURASE MASANA;SHIMOTONO SUSUMU |
分类号 |
G06F9/00 |
主分类号 |
G06F9/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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