Google在搜尋與廣告產品中應用C2PA標準，強化數位內容透明度
支付動態 · 2024-09-20
Google於搜尋與廣告等產品，採用C2PA 2.1標準提升其數位內容透明度，協助用戶確認圖片和影片是否經生成式人工智慧變造
／C2PA
簡單來說，C2PA 2.1標準中的內容憑證防竄改機制，主要仰賴加密雜湊和數位簽章來保護內容的完整性。每個憑證都會生成加密雜湊並且使用私鑰簽名，確保即便數位內容被更改，竄改也能夠被偵測出來。此外，數位浮水印技術也能用來確保即使內容憑證被移除，依然可以透過浮水印恢復相關憑證資料。C2PA 2.1中的標準Web API，則允許各種平臺恢復被移除或是替換的憑證資訊。這些方法的結合建立起強大的防竄改機制，有助於在生成式人工智慧時代保護內容創作者和消費者。
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