发明名称 |
Information processing apparatus, software updating method, and image processing apparatus |
摘要 |
An information processing apparatus which updates a basic software package is disclosed. The information processing apparatus includes an encryption and decryption unit which stores values calculated uniquely from software and encrypts information based on the calculated values and decrypts encrypted information based on the calculated values. The basic software package includes a firmware authenticating module for authenticating a firmware updating file which includes new software for updating the basic software package, a value uniquely calculated from the new software, and a public key signature. The information processing apparatus further includes a software updating module which updates the basic software package by using the authenticated firmware updating file, and an encryption key managing module for encrypting again the information encrypted by the values based on a value changed by updating the basic software package. |
申请公布号 |
US8732484(B2) |
申请公布日期 |
2014.05.20 |
申请号 |
US201213675085 |
申请日期 |
2012.11.13 |
申请人 |
SEGAWA HIDEKAZU;RICOH COMPANY, LTD. |
发明人 |
SEGAWA HIDEKAZU |
分类号 |
H04L29/06 |
主分类号 |
H04L29/06 |
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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