发明名称 Image data verification
摘要 An image verification system includes an image input apparatus, image verification apparatus, and database apparatus. The image input apparatus generates verification information for image data by using a private key and adds the verification information and predetermined information unique to the image input apparatus to the image data. The image verification apparatus verifies that the image data has been altered or not by using the verification information and a public key corresponding to the private key. The database apparatus stores the public key in association with the predetermined information in the a storage unit and provides the public key to the image verification apparatus.
申请公布号 US8738917(B2) 申请公布日期 2014.05.27
申请号 US20040278749 申请日期 2004.10.14
申请人 WAKAO SATORU;IWAMURA KEIICHI;NAKAMOTO YASUHIRO;CANON KABUSHIKI KAISHA 发明人 WAKAO SATORU;IWAMURA KEIICHI;NAKAMOTO YASUHIRO
分类号 G09C1/00;H04L9/32;H04L9/08;H04N1/32 主分类号 G09C1/00
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