200301646 A7 B7 五、發明説明（1 ) 發明背景 (請先閱讀背面之注意事項再填寫本頁) 本發明關於一種電子鑑定系統與電子鑑定方法。由於 網際網路的普及，透由網際網路而實現的採購與貿易等電 子商務便得以推廣。此外，有需要在網際網路上訂定契約 。因此，爲了可安全地在電子網路上進行電子商務或訂約 ，出現了一種電子鑑定系統，以完成電子網路上的鑑定。 電子鑑定系統是一種登錄系統，參考並查驗有關電子資訊 的「何時、何人及何事」。因此，需要一種加密技術，以 安全地執行電子網路上的通訊；使用公共密鑰加密系統的 電子簽章技術；及時間戳記技術，以查驗正確時間。 經濟部智慧財產局員工消費合作社印製 吊見的電子鑑疋系統’如圖5中所不。電子鑑定服務 商1提供服務予A公司2及B公司3等用戶。例如，服務 商1接收A公司2的電子文件4，並核發電子憑證5給a 公司2。電子憑證5包括依據電子文件4之內容，而以單向 功能輸出的單向功能値，例如該等資訊的資訊摘要、時間 資訊及電子簽章或同類資訊。當A公司2及B公司3等用 戶利用電子文件4及電子憑證5執行電子商務時，B公司3 傳送電子文件4及電子憑證5予電子鑑定服務商1，進行鑑 定。接著，電子鑑定服務商1便查驗電子文件4及電子憑 證5，並將結果通知B公司3。 在上述電子鑑定系統中，因爲可能對電子憑證5中所 包含的時間資訊産生懷疑，該資訊系用於查驗電子文件4 所登錄的時間，所以較佳地系採用由與電子鑑定服務商1 無關之第三人所管理的時間戳記裝置。然而，若使用由第 -5- 本紙張尺度適用中國國家標準（CNS ) A4規格（210 X 297公釐） 200301646 A7 B7 五、發明説明（2 ) (請先閱讀背面之注意事項再填寫本頁) 三者管理的時間戳記裝置，那麽將産生服務費用如何計算 的問題。鑒於所考量的該些狀況，本發明的一個目標是提 供一種電子鑑定系統與電子鑑定方法，其中時間戳記資訊 的可靠性獲得改善，同時可輕易地計算服務費用。 發明槪述 爲達成上述本發明的目標，依據本發明的第一項特性 ，透由網路執行電子鑑定的電子鑑定系統，包括一電子鑑 定中心，接收用戶電子資訊的登錄，使用時間戳記單元核 發電子憑證，並檢查電子憑證的內容；及時間更正中心， 其獨立於電子鑑定中心之外，更正時間戳記單元的時間， 其特性爲時間更正中心包括時間更正單元，可更正時間戳 記單元的時間；戳記核發記錄獲得單元，透由時間戳記單 元所核發電子憑證的號碼，獲取戳記核發記錄，可經由時 間戳記單元及帳務單元而加以掌握，後者透由戳記核發記 錄獲得單元而獲得的戳記核發記錄，便可掌握核發電子憑 證的號碼，並依據核發號碼，爲電子鑑定中心提供報帳。 經濟部智慧財產局員工消費合作社印製 依據第一特性中所描述的本發明第二特性，電子鑑定 系統的特性在於，戳記核發記錄獲得單元透由網路擷取時 間戳記單元，以獲取時間戳記單元的特定識別碼，及戳記 核發記錄。 依據第一或第二特性中所描述的本發明第三特性，電 子鑑定系統的特性在於，當時間更正單元更正時間戳記單 元的時間時，戳記核發記錄獲得單元便獲得戳記核發記錄 -6- 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 200301646 A7 B7 五、發明説明（3 ) 〇 (請先閱讀背面之注意事項再填寫本頁) 依據第一至第三特性，任一特性中所描述的本發明第 四特性’電子鑑定系統的特性在於，當時間更正單元更正 時間’且時間戳記單元核發包括時間更正憑證的電子憑證 時’時間更正單元便傳送時間更正憑證予時間戳記單元。 依據本發明第五特性，透由網路執行電子鑑定的電子 鑑定方法，包括一電子鑑定中心，接收用戶電子資訊的登 錄’使用時間戳記單元核發電子憑證，並檢查電子憑證的 內容；及時間更正中心，其獨立於電子鑑定中心之外，更 正時間戳記單元的時間，其特性爲時間更正中心更正時間 戳記單元的時間；透由時間戳記單元所核發電子憑證的號 碼’獲取戳記核發記錄，可經由時間戳記單元而加以掌握 ’並透由戳記核發記錄掌握核發電子憑證的號碼，並依據 核發號碼，爲電子鑑定中心提供報帳。 依據第五特性中所描述的本發明第六特性，電子鑑定 方法的特性在於，時間更正中心透由網路擷取時間戳記單 元，以獲取時間戳記單元的特定識別碼，及戳記核發記錄 0 經濟部智慧財產局員工消費合作社印製 依據第五或第六特性中所描述的本發明第七特性，電 子鑑定方法的特性在於，當時間更正中心更正時間戳記單 元的時間時，時間更正中心便獲得戳記核發記錄。 依據第五至第七特性，任一特性中所描述的本發明第 八特性，電子鑑定方法的特性在於，當時間更正中心更正 時間，且時間戳記單元核發包括時間更正憑證的電子憑證 -7 - 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 200301646 Α7 Β7 五、發明説明（4 ) 時’時間更正中心便傳送時間更正憑證予時間戳記單元。 圖示簡單說明 Η 1顯示依據本發明一實施例之電子資料鑑定系統的 結構範例； 圖2說明本發明一實施例中，時間戳記伺服器及電子 憑證。 圖3說明依據本發明一實施例，由時間更正中心衍生 電子鑑定中心的程式。 圖4顯示依據本發明一實施例，電子憑證的使用狀態 〇 圖5顯示依據習知技藝，電子鑑定系統的結構範例。 (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 主要元件對照表 1 電子鑑定服務商 2、3 公司 4 電子文件 10、20 用戶 11 電子資料 1 1 A 單向功能値 100 電子鑑定中心 101、5 電子憑證 102 特定識別碼 103 公共密鑰憑證 本紙張尺度適用中國國家標準（CNS ) Α4規格（210Χ297公釐） -8 - 200301646 A7 B7 五、發明説明（5 ) 104 時間戳記資訊 105 電子簽章 107 戳記核發記錄 (請先閱讀背面之注意事項再填寫本頁) 1 10 應用伺服器 111 接收裝置 112 計算裝置 113 檢查裝置 120 時間戳記伺服器 12 1 時鐘 122 電子憑證形成裝置 123 密鑰 200 時間更正中心 201 時間更正憑證 210 時間更正裝置 2 11 鉋自動鐘 2 12 主鐘 213 時間傳輸伺服器 220 戳記核發記錄獲得裝置 經濟部智慧財產局員工消費合作社印製 23 0 帳務裝置 3 0 1 檢查要求 3 02 內容憑證 較佳實施例的詳細說明 圖1中描述依據一具體實施例之電子資料鑑定系統。 -9- 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） 200301646 Α7 Β7 五、發明説明（6 ) (請先閱讀背面之注意事項再填寫本頁) 如圖1中所示，本實施例之電子資料鑑定系統，透由成對 的電子鑑定中心1 0 0與時間更正中心2 0 0，爲例如用戶 A 及用戶B等用戶10,提供電子資料的鑑定服務。複數個電 子鑑定中心100可一次針對一個時間更正中心200提供服 務。電子鑑定中心100與時間更正中心200較佳地由與其 無關的個體加以管理。此外，每一用戶1 0較佳地預先將電 子簽章、用於該簽章的公共密鑰憑證、用戶名稱與特定識 別碼等，登錄於電子鑑定中心1 00。因此，可順利地進行鑑 定。此外，用戶10與電子鑑定中心100間的通訊，可藉由 簽章與與加密而完成，並可因而避免通訊步驟中的竄改、 竊聽與仿冒等。 如此一來，用戶1 0傳送電子資料1 1予電子鑑定中心 1 00，以便用戶可接到電子憑證1 01，鑑定電子資料11的內 容與時間。用戶1 〇較佳地使用先前登錄於電子鑑定中心 1 00中的電子簽章加密並傳送電子資料1 1。 經濟部智慧財產笱員工消費合作社印製 電子鑑定中心1〇〇具有應用伺服器110，接收用戶10 的鑑定，並加以檢查。應用伺服器11 〇包括接收裝置n i， 接收用戶1 0的電子資料，並傳送電子憑證1 ο 1予用戶i ο ; §十算裝置1 1 2，接收公認的的電子資料1 1，形成電子憑證 1〇1所需的單向功能値；及檢查裝置113，滿足用戶1〇的 檢查要求。此外’電子鑑定中心1 〇〇具有時間戳記伺服器 1 20，將時間戳記資訊應用於單向功能値，以核發電子憑證 101。 此處’接收裝置111接到用戶1 0的聯機要求，接收需 -10 - 本紙張尺度適用中國國家標準（CNS ) Α4規格（210Χ 297公釐） 200301646 A 7 B7 五、發明説明（7 ) 要的資訊，例如用戶1 0的特定識別碼及電子資料i 1。若電 子資料1 1是加密的，便進行解密並檢查電子簽章是否沒有 竄改或同類情形。 (請先閲讀背面之注意事項再填寫本頁.) 計算裝置1 1 2透由接收裝置1 1 1所接收之電子資料n ’形成單向功能値，並傳送予時間戳記伺服器1 20。此處， 單向功能値標示例如（HASH)値，亦稱爲資訊摘要，即例如 由諸如雜湊功能之不可逆單向功能所産生具固定長度的虛 擬亂數號碼。雖然可自相同資料得到相同的單向功能値， 但原始資料卻不能由單向功能値複製。 檢查裝置1 1 3接收電子資料1 1、電子憑證1 0 1及用戶 1 〇的檢查要求，檢查是否無竄改情事。稍後將說明檢查裝 置的細節。 關於時間戳記伺服器12〇，可無特定限制的使用任何時 間戳記伺服器，接收來自計算裝置11 2的單向功能値，並 應用時間戳記資訊以形成電子憑證1 〇 1。此外，電子憑證 1 〇 1較佳地經由規定程式進行加密與簽署。時間戳記伺服器 1 2 0所使用的時間資訊，定期由時間更正中心2 0 0更正。稍 後將具體說明該些主題。 經濟部智慧財產局員工消費合作社印製 更正時間戳記伺服器120之時間的時間更正中心200， 包括時間更正裝置2 1 0。時間更正裝置2 1 0包括搭配通用時 間的鉋自動鍾2 1 1，反映絶自動鍾2 1 1之時間的主鍾2 1 2， 及傳輸主鍾2 1 2之時間的時間傳輸伺服器2 1 3。時間傳輸伺 服器2 1 3定期更正時間戳記伺服器1 20的時間裝置。 時間更正中心200的時間更正裝置2 1 〇，定期擷取時間 -11 - 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） 200301646 A7 B7 五、發明説明（8 ) (請先閲讀背面之注意事項再填寫本頁} 戳記伺服器1 2〇，以更正其中的時間；獲得時間戳記伺服器 120的特定識別碼102，及時間戳記伺服器120所使用公共 密鑰的公共密鑰憑證1 〇3 ;並核發時間更正憑證20 1，包括 作爲公共密鑰憑證1 03之單向功能値的資訊摘要。 此外，時間更正中心200包括戳記核發記錄獲得裝置 220，標示時間戳記伺服器1 20所核發電子憑證1 0 1的號碼 ，與每一時間戳記伺服器1 2〇的特定識別碼1 02 ;及帳務裝 置23 0，掌握戳記核發記錄獲得裝置22〇所獲得之戳記核發 記錄1 07的戳記核發號碼，並使用相關的時間戳記伺服器 120，爲電子鑑定中心100報帳。當時間更正裝置210更正 時間戳記伺服器1 2〇的時間時，戳記核發記錄獲得裝置220 便獲得戳記核發記錄1 〇7。此外，時間戳記伺服器可被定時 擷取，例如規定每月擷取帳戶，以獲取戳記核發記錄1 07。 再者，帳務裝置230的擷取時序便未特別設限。 經濟部智慧財產局員工消費合作社印製 圖2顯示時間戳記伺服器1 20的一個範例，以及時間 戳記伺服器12〇要求電子憑證101的一個範例。如圖2中 所示，時間戳記伺服器120具有由時間更正中心200管理 的特定識別碼1 02，並包括時鐘1 2 1及電子憑證形成裝置 1 22。此外，時間戳記伺服器包括密鑰1 23，用於加密以形 成電子憑證1 〇 1 ;及與密鑰1 23成對之公共密鑰的公共密鑰 憑證1 03。再者，時間戳記伺服器1 20的時鐘1 2 1如上述地 ，經時間更正中心2〇〇的時間更正裝置210，依規定時序而 定期更正，接收更正的時間更正憑證2 0 1，並加以保持。時 間更正中心200自時間戳記伺服器120獲得特定識別碼102 -12- 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 200301646 A7 B7 五、發明説明（9 ) 及公共密鑰憑證1 03，以監控時間戳記伺服器1 2〇是否形成 適當的電子憑證1 〇 1，並鑑定所核發的電子憑證1 〇 1。 (請先閱讀背面之注意事項再填寫本頁) 電子憑證形成裝置1 22自計算裝置1 1 2接收用戶1 〇之 電子資料1 1的單向功能値1 1 A，藉附加獲自時鐘1 2 1的時 間資訊，而形成時間戳記資訊104，透由密鑰123將時間戳 記資訊1 0 4加密，形成已簽署的電子簽章1 0 5，並將其輸出 作爲電子憑證1 〇 1。因此，電子憑證1 〇 1包括時間戳記資訊 104及電子簽章105，並進一步包括時間戳記密鑰的公共密 鑰憑證103，及時間更正憑證201。 經濟部智慧財產局員工消費合作社印製 圖3中顯示時間更正中心200使用時間戳記伺服器120 ，爲電子鑑定中心1〇〇處理租金帳務的程式。時間更正中 心200的時間更正裝置210，如上述地擷取電子鑑定中心 100的時間戳記伺服器120，以獲得特定識別碼102與公共 密鑰憑證1 03，更正時鐘1 2 1，並核發時間更正憑證20 1。 此外在該實施例中，戳記核發記錄獲得裝置220於此時， 自時間戳記伺服器1 20獲得戳記核發記錄1 07。戳記核發記 錄107顯示時間戳記伺服器120核發電子憑證101的紀錄 。此外，帳務裝置23 0透由戳記核發記錄1 07，掌握所核發 電子憑證1 〇 1的號碼，並以所核發號碼，爲電子鑑定中心 100處理時間戳記伺服器120的租金帳務。此時，應理解的 是電子鑑定中心1 〇〇的租金帳務是附加於基本租金之上的 〇 因此，時間更正中心200可爲電子鑑定中心處理時間 戳記伺服器120的租金，及依據電子憑證101之核發號碼 -13- 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） 200301646 A7 B7 五、發明説明（1〇 ) 的更正時間費用的帳務。此外，由於電子鑑定中心1 00的 帳務是依據電子憑證101的核發號碼，電子鑑定中心100 有利地可輕易進行時間更正中心200的時間更正。 (請先閱讀背面之注意事項再填寫本頁) 因爲時間更正中心200如上述地管理時間戳記伺服器 1 20，時間更正中心便可掌握時間戳記伺服器1 20所核發的 電子憑證1 〇 1，特別是，包括於電子憑證1 〇 1中的時間更正 憑證20 1，及核發電子憑證1 0 1之時間戳記伺服器1 20的特 定識別碼1 〇2，使得時間更正中心可檢查電子憑證1 〇 1是否 由正式的時間戳記伺服器120所核發，後者系由時間更正 中心所管理，並可更正時間。因而可提供電子憑證1 〇 1用 戶所要求的上述檢查服務，以確認電子憑證1 〇 1是由時間 戳記伺服器120所核發的憑證。 經濟部智慧財產局員工消費合作社印製 通常，檢查時間更正憑證201是否爲真，即考量電子 憑證101的真實性。然而，因爲時間更正憑證201本身可 被模仿與複製，所以時間戳記資訊1 04中所包括的特定識 別碼1 02，及形成時間更正憑證20 1時所使用的公共密鑰憑 證1 03，較佳地加以儲存，以便參考並檢查該時間更正憑證 是否爲正式的時間戳記伺服器1 20所核發。此外，檢查時 間更正憑證201以瞭解核發電子憑證101的時間戳記伺服 器1 20，目前是否定期實施時間更正。因此，可判斷電子憑 證101中所包括的時間戳記資訊104是否正確。再者，透 由執行該等檢查，可發現由持有不實特定識別碼之不即時 間戳記伺服器，所核發的電子憑證及公共密鑰憑證。 圖4中顯示使用上述電子憑證1 0 1的一個範例。在圖4 -14 - 本紙張尺度適用中國國家標準（CNS ) A4規格（210X 297公釐） 200301646 A7 B7 五、發明説明（11 ) (請先閱讀背面之注意事項再填寫本頁} 所不的範例中，假設用戶1 〇 (用戶A )自電子鑑定中心 1 〇〇獲得電子憑證1 0 1，並提供電子憑證1 〇 1連同電子資料 11予用戶20(用戶X)，而用戶20透由電子資料11及電 子憑證101完成檢查要求301。如此一來，用戶20透由電 子資料1 1及電子憑證1 0 1執行電子鑑定中心i 00的檢查要 求301，使得用戶20可依據內容憑證302確認電子資料1 i 及日期均未被更改。即，用戶2 0僅透由傳送與接收電子資 訊，便可發現竄改電子資訊的不法情事。 電子鑑定中心100確認內容3〇2所使用的裝置並未特 別設限，而電子鑑定中心可核發憑證予用戶20，或透由電 子郵件或同類物件與用戶通訊，或者是用戶20可在網路上 確認。 經濟部智慧財產局員工消費合作社印製 在電子鑑定中心1 0 0中，檢查裝置1 1 3獲得電子資料 1 1的資訊摘要，而電子資料1 1則接收自例如用戶20的上 述計算裝置1 1 2。檢查裝置檢查所獲得的資訊摘要，是否與 電子憑證101之時間戳記資訊104中所包括的資訊摘要相 符，以確認內容3 02。應理解的是，檢查裝置11 3不僅檢查 電子資料1 1的內容，即不僅檢查內容是否被更改，亦檢查 時間戳記資訊是否被更改。 當時間更正中心200接到有關上述電子憑證101是否 爲正式的檢查時，用戶20便透由電子憑證1 0 1，完成時間 更正中心200的時間檢查要求，使得用戶可確認電子鑑定 中心1 〇〇使用規定的時間戳記伺服器1 20，後者透由時間更 正中心200實施時間更正，同時由時間戳記伺服器120核 -15- 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 200301646 A7 B7 五、發明説明（12 ) 發電子憑證1 0 1。 以此方式，用戶20僅透由傳送與接收電子資訊，便可 發現竄改電子資訊的不法情事。 如上述，提供與時間更正中心200無關的電子鑑定中 心1 00，其依據電子資訊之電子憑證1 0 1執行鑑定，以更正 電子鑑定中心1 00所使用的時間戳記伺服器1 20。因此，可 避免時間戳記上的時間更改，並改進時間戳記資訊的可靠 性。因而，可完成一種以時間戳記資訊爲主的新方法。 依據本發明，提供與電子鑑定中心無關的時間更正中 心，更正電子鑑定中心所使用之時間戳記伺服器的時間， 以檢查電子資訊之電子憑證的內容。此外，時間更正中心 依據電子憑證的核發號碼，爲電子鑑定中心提供報帳。因 此，可完成一種電子鑑定系統，其中時間戳記資訊的可靠 性獲得改進，並且不會産生有關更正的時間是否被戳記、 時間是否被更改等疑慮。再者，時間更正中心可依據時間 戳記的核發號碼，處理費用帳務。 (請先閱讀背面之注意事項再填寫本頁} 經濟部智慧財產局員工消費合作社印製 -16 - 本紙張尺度適用中國國家標準（CNS ) A4規格（2!〇><297公釐）200301646 A7 B7 V. Description of the invention (1) Background of the invention (Please read the notes on the back before filling out this page) The present invention relates to an electronic identification system and method. Due to the popularity of the Internet, e-commerce such as purchasing and trading through the Internet has been promoted. In addition, there is a need to make contracts on the Internet. Therefore, in order to securely conduct electronic commerce or contract on an electronic network, an electronic authentication system has appeared to complete the authentication on the electronic network. An electronic authentication system is a login system that references and checks "when, who, and what" about electronic information. Therefore, there is a need for an encryption technology to securely perform communication on an electronic network; an electronic signature technology using a public key encryption system; and a time stamp technology to check the correct time. Printed by the Consumers' Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. Electronic authentication service provider 1 provides services to users such as Company A and Company B. For example, the service provider 1 receives the electronic file 4 of the company A 2, and issues an electronic certificate 5 to the company 2. The electronic certificate 5 includes a one-way function according to the content of the electronic document 4 and output with a one-way function, such as a summary of the information, time information, and electronic signature or similar information. When users such as Company A and Company B use electronic file 4 and electronic certificate 5 to perform e-commerce, company B sends electronic file 4 and electronic certificate 5 to electronic authentication service provider 1 for authentication. Then, the electronic authentication service provider 1 checks the electronic file 4 and the electronic certificate 5 and notifies the company 3 of the result. In the above-mentioned electronic authentication system, because there may be doubts about the time information contained in the electronic voucher 5, the information is used to check the time registered in the electronic file 4, so it is better to use a system independent of the electronic authentication service provider 1. Time stamping device managed by a third person. However, if you use the Chinese paper standard (CNS) A4 size (210 X 297 mm) applicable to this paper size -5-200301646 A7 B7 V. Description of the invention (2) (Please read the precautions on the back before filling this page ) The time stamp device managed by the three, then the question of how to calculate the service cost will arise. In view of the circumstances under consideration, it is an object of the present invention to provide an electronic authentication system and an electronic authentication method in which the reliability of the time stamp information is improved and the service cost can be easily calculated. Description of the Invention In order to achieve the above-mentioned object of the present invention, according to the first feature of the present invention, an electronic authentication system that performs electronic authentication through a network includes an electronic authentication center that receives a login of a user's electronic information and issues it using a time stamp unit. Electronic voucher, and check the content of the electronic voucher; and the time correction center, which is independent of the electronic identification center, corrects the time of the time stamp unit, which is characterized by the time correction center including the time correction unit, which can correct the time of the time stamp unit; The stamp issuing record obtaining unit can obtain the stamp issuing record through the number of the electronic voucher issued by the timestamp unit, which can be grasped through the timestamp unit and the accounting unit. The latter obtains the stamp issuing record obtained by the stamp issuing record obtaining unit. , You can grasp the number of issued electronic vouchers, and provide reimbursement for the electronic identification center based on the issued number. The Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs printed the second feature of the present invention described in the first feature. The electronic authentication system is characterized in that the stamp issuance record acquisition unit retrieves the time stamp unit through the network to obtain the time stamp. The unit's specific identification code, and a stamp issue record. According to the third characteristic of the present invention described in the first or second characteristic, the characteristic of the electronic authentication system is that when the time correction unit corrects the time of the time stamp unit, the stamp issuing record obtaining unit obtains the stamp issuing record. Paper size applies Chinese National Standard (CNS) A4 specification (210X297 mm) 200301646 A7 B7 V. Description of invention (3) 〇 (Please read the notes on the back before filling this page) According to the first to third characteristics, any The fourth characteristic of the present invention described in the characteristic, the characteristic of the "electronic authentication system is that when the time correction unit corrects the time" and the time stamp unit issues the electronic certificate including the time correction certificate, the time correction unit transmits the time correction certificate to the time stamp unit. According to a fifth feature of the present invention, an electronic authentication method for performing electronic authentication through a network includes an electronic authentication center that receives a login of a user's electronic information, uses a time stamp unit to issue an electronic certificate, and checks the content of the electronic certificate; and time correction. The center, which is independent of the electronic identification center, corrects the time of the timestamp unit. Its characteristic is that the time correction center corrects the time of the timestamp unit. The stamp issuance record is obtained through the number of the electronic voucher issued by the timestamp unit. The time stamp unit is used to grasp it ', and the number of the issued electronic voucher is grasped through the stamped issuance record, and according to the issued number, the electronic identification center is provided with an account. According to the sixth feature of the present invention described in the fifth feature, the electronic authentication method is characterized in that the time correction center retrieves the timestamp unit through the network to obtain the specific identification code of the timestamp unit and stamps the issue record. 0 Economy According to the seventh feature of the present invention described by the fifth or sixth feature of the Consumer Cooperative of the Ministry of Intellectual Property, the electronic identification method is characterized in that when the time correction center corrects the time of the time stamp unit, the time correction center obtains Stamp to issue records. According to the fifth to seventh characteristics, the eighth characteristic of the present invention described in any one of the characteristics, the electronic authentication method is characterized in that when the time correction center corrects the time, and the time stamp unit issues the electronic certificate including the time correction certificate-7- This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) 200301646 A7 B7 V. Description of the invention (4) At the time correction center, the time correction certificate is transmitted to the time stamp unit. Brief description of the diagram Η 1 shows a structural example of an electronic data authentication system according to an embodiment of the present invention; FIG. 2 illustrates a time stamp server and an electronic certificate in an embodiment of the present invention. Fig. 3 illustrates a procedure for deriving an electronic identification center from a time correction center according to an embodiment of the present invention. FIG. 4 shows the use status of the electronic voucher according to an embodiment of the present invention. FIG. 5 shows an example of the structure of an electronic authentication system according to the conventional art. (Please read the precautions on the back before filling out this page.) The main component printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 1 Electronic Identification Service Provider 2, 3 Company 4 Electronic Documents 10, 20 Users 11 Electronic Information 1 1 A Form Direction Function: 100 Electronic Identification Center 101, 5 Electronic Certificate 102 Specific Identification Code 103 Public Key Certificate This paper size applies Chinese National Standard (CNS) A4 specification (210 × 297 mm) -8-200301646 A7 B7 V. Description of the invention (5 ) 104 Time stamp information 105 Electronic signature 107 Stamp issuance record (please read the notes on the back before filling this page) 1 10 Application server 111 Receiver 112 Computing device 113 Inspection device 120 Time stamp server 12 1 Clock 122 Electronics Voucher formation device 123 Key 200 Time correction center 201 Time correction voucher 210 Time correction device 2 11 Automatic clock 2 12 Master clock 213 Time transmission server 220 Obtaining and issuing records of stamps Obtained by the Consumers ’Cooperative of the Intellectual Property Bureau of the Ministry of Economy 23 0 Accounting device 3 0 1 Inspection requirements 3 02 Preferred embodiment of content voucher Detailed Description FIG. 1 is described according to a particular embodiment of the electronic data identification system embodiment. -9- This paper size applies to Chinese National Standard (CNS) A4 (210X 297 mm) 200301646 Α7 Β7 V. Description of the invention (6) (Please read the precautions on the back before filling this page) as shown in Figure 1 The electronic data authentication system of this embodiment provides an electronic data authentication service for users 10 such as user A and user B through the paired electronic authentication center 100 and time correction center 2000. A plurality of electronic authentication centers 100 may provide services for one time correction center 200 at a time. The electronic identification center 100 and the time correction center 200 are preferably managed by individuals unrelated to them. In addition, each user 10 preferably registers an electronic signature, a public key certificate used for the signature, a user name and a specific identification code, etc. in the electronic authentication center 100 in advance. Therefore, authentication can be performed smoothly. In addition, the communication between the user 10 and the electronic authentication center 100 can be completed by signing and encryption, and thus tampering, eavesdropping and counterfeiting in the communication steps can be avoided. In this way, the user 10 sends the electronic data 11 to the electronic identification center 100, so that the user can receive the electronic voucher 110 to authenticate the content and time of the electronic data 11. The user 10 preferably encrypts and transmits the electronic data 11 using the electronic signature previously registered in the electronic authentication center 100. Printed by the Intellectual Property of the Ministry of Economic Affairs and printed by the Consumer Cooperatives. The electronic appraisal center 100 has an application server 110 that receives the appraisal from the user 10 and checks it. The application server 11 〇 includes a receiving device ni, which receives the electronic data of the user 10, and sends an electronic voucher 1 ο 1 to the user i ο; § ten computing device 1 1 2 receives the recognized electronic data 11 1 to form an electronic voucher The one-way function required by 〇1; and inspection device 113, which meets the inspection requirements of user 10. In addition, the electronic identification center 100 has a time stamp server 120, which applies the time stamp information to the one-way function 値 to issue the electronic certificate 101. Here, the receiving device 111 receives the connection request from the user 10, and the reception needs -10-This paper size applies the Chinese National Standard (CNS) A4 specification (210 × 297 mm) 200301646 A 7 B7 V. Description of the invention (7) Information, such as the specific identification code of the user 10 and the electronic information i 1. If the electronic data 11 is encrypted, it is decrypted and the electronic signature is checked for tampering or similar situations. (Please read the precautions on the back before filling this page.) The computing device 1 1 2 forms a one-way function through the electronic data n ′ received by the receiving device 1 1 1 and sends it to the time stamp server 1 20. Here, the one-way function 値 indicates, for example, (HASH) 値, which is also called an information digest, that is, a virtual random number having a fixed length generated by an irreversible one-way function such as a hash function. Although the same one-way function can be obtained from the same data, the original data cannot be copied by the one-way function. The inspection device 1 1 3 receives the electronic data 11 1, the electronic voucher 101, and the user 10 to check whether there is no tampering. Details of the checking device will be described later. Regarding the time stamp server 12o, any time stamp server can be used without specific restrictions, receiving a one-way function from the computing device 112, and applying the time stamp information to form an electronic certificate 101. In addition, the electronic certificate 101 is preferably encrypted and signed via a prescribed program. The time information used by the time stamp server 1 2 0 is periodically corrected by the time correction center 2 0 0. These topics will be explained in detail later. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs Time correction center 200 for correcting the time of the time stamp server 120, including the time correction device 2 1 0. The time correction device 2 1 0 includes a planer automatic clock 2 1 1 with universal time, a master clock 2 1 2 reflecting the time of the absolute clock 2 1 1, and a time transmission server 2 1 transmitting the time of the master clock 2 1 2 3. The time transmission server 2 1 3 periodically corrects the time device of the time stamp server 1 20. Time correction device 2 1 0 at the time correction center 200, which periodically captures the time -11-This paper size applies the Chinese National Standard (CNS) A4 specification (210X 297 mm) 200301646 A7 B7 V. Description of the invention (8) (please first Read the notes on the back and fill out this page again} Stamp the server 12 to correct the time in it; get the specific identification code 102 of the timestamp server 120, and the public key of the public key used by the timestamp server 120 Certificate 1 03; concurrently issued time correction certificate 201, including a summary of information as a one-way function of the public key certificate 103. In addition, the time correction center 200 includes a stamp issuance record obtaining device 220, and a time stamp server 1 is marked The number of the electronic voucher 1 0 1 issued by 20, and the specific identification code 1 02 of each time stamp server 1 2 0; and the accounting device 23 0, which holds the stamp issuing record 1 obtained by the stamp issuing record obtaining device 22 The 07 stamp issue number, and use the relevant time stamp server 120 to pay for the electronic identification center 100. When the time correction device 210 corrects the time stamp server 1 2〇 At the time, the stamp issuance record obtaining device 220 obtains the stamp issuance record 1 07. In addition, the time stamp server may be periodically retrieved, for example, the account is required to be retrieved monthly to obtain the stamp issuance record 1 07. Furthermore, the account The acquisition timing of the service device 230 is not particularly limited. Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs, Figure 2 shows an example of the time stamp server 120 and an example of the time stamp server 120 requesting the electronic certificate 101. As shown in FIG. 2, the time stamp server 120 has a specific identification code 102 managed by the time correction center 200, and includes a clock 1 21 and an electronic credential forming device 122. In addition, the time stamp server includes a key 1 23, which is used to encrypt to form an electronic certificate 1 0; and a public key certificate 1 03 of a public key paired with the key 1 23. Furthermore, the clock 1 2 1 of the time stamp server 1 20 is as described above. At the time, the time correction device 210, which has passed the time correction center 2000, periodically corrects it in accordance with a prescribed sequence, and receives the corrected time correction voucher 2 01 and maintains it. The time correction center 200 has The time stamp server 120 obtains the specific identification code 102 -12- This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) 200301646 A7 B7 V. Description of the invention (9) and public key certificate 1 03 for monitoring Whether the time stamp server 1 2 0 forms an appropriate electronic voucher 1 0 1 and evaluates the issued electronic voucher 1 0 1. (Please read the precautions on the back before filling this page) Electronic voucher forming device 1 22 Self-calculating device 1 1 2 Receive the one-way function of user 1 ’s electronic data 1 1 値 1 1 A, by adding time information obtained from the clock 1 2 1 to form the time stamp information 104, the time stamp information 1 is transmitted through the key 123 1 0 4 is encrypted to form a signed electronic signature 105, and the output is used as an electronic certificate 101. Therefore, the electronic certificate 101 includes the time stamp information 104 and the electronic signature 105, and further includes the public key certificate 103 of the time stamp key, and the time correction certificate 201. Printed by the Employees' Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs. Figure 3 shows the time correction center 200 using a timestamp server 120 to handle the rental accounting process for the electronic identification center 100. The time correction device 210 of the time correction center 200 retrieves the time stamp server 120 of the electronic authentication center 100 as described above to obtain the specific identification code 102 and the public key certificate 1 03, corrects the clock 1 2 1, and issues the time correction. Certificate 20 1. Furthermore, in this embodiment, the stamp issuing record obtaining device 220 obtains the stamp issuing record 107 from the time stamp server 120 at this time. The stamp issuing record 107 displays a record of the time stamp server 120 issuing the electronic certificate 101. In addition, the accounting device 230 passes the stamp issuing record 1 07, grasps the number of the issued electronic voucher 101, and uses the issued number to process the rental account of the time stamp server 120 for the electronic authentication center 100. At this time, it should be understood that the rental account of the electronic appraisal center 100 is added to the basic rent. Therefore, the time correction center 200 can process the rent of the time stamp server 120 for the electronic appraisal center, and based on the electronic voucher. Issue number 101-13- This paper size applies to the Chinese National Standard (CNS) A4 specification (210X 297 mm) 200301646 A7 B7 V. Accounts for correction of time fees for the description of the invention (10). In addition, since the account of the electronic identification center 100 is based on the issue number of the electronic voucher 101, the electronic identification center 100 can advantageously perform the time correction of the time correction center 200 easily. (Please read the notes on the back before filling this page) Because the time correction center 200 manages the time stamp server 1 20 as described above, the time correction center can grasp the electronic certificate 1 〇1 issued by the time stamp server 1 20, In particular, the time correction voucher 20 1 included in the electronic voucher 1 0 1 and the specific identification code 1 0 2 of the time stamp server 1 20 that issues the electronic voucher 1 0 1, so that the time correction center can check the electronic voucher 1 〇 1 Is issued by a formal time stamp server 120, which is managed by the time correction center and can correct the time. Therefore, the above-mentioned inspection service required by the electronic voucher 101 can be provided to confirm that the electronic voucher 101 is a voucher issued by the time stamp server 120. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs Normally, check whether the time correction voucher 201 is true, that is, consider the authenticity of the electronic voucher 101. However, because the time correction certificate 201 itself can be imitated and copied, the specific identification code 102 included in the time stamp information 04 and the public key certificate 103 used to form the time correction certificate 201 are better. It is stored for reference and checking whether the time correction certificate is issued by the official time stamp server 120. In addition, the time correction certificate 201 is checked to see if the time stamp server 120 of the electronic certificate 101 is issued, and whether the time correction is currently being implemented regularly. Therefore, it can be judged whether the time stamp information 104 included in the electronic voucher 101 is correct. Furthermore, by performing such inspections, it can be found that the electronic certificates and public key certificates issued by the real-time stamp server that holds the false specific identification code. An example of using the electronic voucher 101 is shown in FIG. 4. In Figure 4 -14-This paper size applies the Chinese National Standard (CNS) A4 specification (210X 297 mm) 200301646 A7 B7 V. Description of the invention (11) (Please read the precautions on the back before filling this page} In the example, suppose that user 10 (user A) obtains electronic voucher 101 from electronic authentication center 100, and provides electronic voucher 10 and electronic data 11 to user 20 (user X). Data 11 and electronic voucher 101 complete the inspection request 301. In this way, user 20 executes the inspection request 301 of electronic identification center i 00 through electronic data 11 and electronic voucher 101, so that user 20 can confirm the electronic information based on the content voucher 302 The data 1 i and the date have not been changed. That is, the user 20 can only detect and manipulate the electronic information by transmitting and receiving the electronic information. The electronic identification center 100 confirms that the device used by the content 302 is not special Limits are set, and the electronic identification center can issue certificates to the user 20, or communicate with the user via email or similar objects, or the user 20 can confirm on the Internet. Cooperatives are printed in the electronic identification center 100, and the inspection device 1 1 3 obtains the information summary of the electronic data 11 1 and the electronic data 11 is received from the above-mentioned computing device 1 1 2 such as the user 20. The inspection device inspection office Whether the obtained information digest matches the information digest included in the time stamp information 104 of the electronic voucher 101 to confirm the content 3 02. It should be understood that the checking device 11 3 not only checks the content of the electronic data 1 1, that is, not only checks If the content has been changed, it is also checked whether the time stamp information has been changed. When the time correction center 200 receives a formal check as to whether the above-mentioned electronic voucher 101 is formal, the user 20 passes the electronic voucher 101 to complete the time correction center 200. The time check requirement allows the user to confirm that the electronic authentication center 100 uses the specified time stamp server 1 20, which implements the time correction through the time correction center 200, and at the same time, the time stamp server 120 cores -15-This paper standard applies China National Standard (CNS) A4 specification (210X297 mm) 200301646 A7 B7 V. Description of the invention (12) Issue of electronic voucher 1 0 1 In this way, the user 20 can discover the illegal situation of tampering with the electronic information only by transmitting and receiving the electronic information. As mentioned above, the electronic identification center 100 that is independent of the time correction center 200 is provided, which is based on the electronic voucher 1 of the electronic information. 0 1 performs authentication to correct the time stamp server 1 20 used by the electronic identification center 100. Therefore, time changes on the time stamp can be avoided and the reliability of the time stamp information can be improved. Therefore, a time stamp can be completed New information-based approach. According to the present invention, a time correction center not related to the electronic authentication center is provided, and the time of the time stamp server used by the electronic authentication center is corrected to check the content of the electronic voucher of the electronic information. In addition, the time correction center provides reimbursement for the electronic authentication center based on the issue number of the electronic voucher. Therefore, an electronic authentication system can be completed in which the reliability of the time stamp information is improved without raising doubts as to whether the corrected time is stamped or whether the time is changed. Furthermore, the time correction center can process the expense account based on the time stamped issue number. (Please read the notes on the back before filling out this page} Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs -16-This paper size applies to China National Standard (CNS) A4 (2! 〇 > < 297 mm)