Image Copyright Protection Using Bar-Code Watermark System with Digital Signature
碩士 === 國立清華大學 === 資訊工程學系 === 90 === In this thesis, we use 1024-bits RSA cryptography to protect the trade messages. We also use digital signature to prevent a buyer from unauthorized copies and to prevent a seller from forged unauthorized copies. We encode the signature with bar-code and embed the...
| Main Authors: | , |
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| Other Authors: | |
| Format: | Others |
| Language: | en_US |
| Published: |
2002
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| Online Access: | http://ndltd.ncl.edu.tw/handle/58756070580795957409 |