- valid certificate
- n.有效证书
English-Chinese dictionary of mining (英汉矿业大词典). 2013.
valid certificate
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Certificate-based encryption — is a system in which a certificate authority uses ID based cryptography to produce a certificate. This system gives the users both implicit and explicit certification, the certificate can be used as a conventional certificate (for signatures, etc … Wikipedia
Certificate server — Certificate servers validate, or certify, keys as part of a Public key infrastructure. Keys are strings of text generated from a series of encryption algorithms that allow you to secure communication for a group of users. Many Web servers, such… … Wikipedia
Certificate revocation list — In the operation of some cryptosystems, usually public key infrastructures (PKIs), a certificate revocation list (CRL) is a list of certificates (or more specifically, a list of serial numbers for certificates) that have been revoked or are no… … Wikipedia
Certificate signing request — In public key infrastructure (PKI) systems, a certificate signing request (also CSR or certification request) is a message sent from an applicant to a certificate authority in order to apply for a digital identity certificate. The most common… … Wikipedia
Certificate of incorporation — A certificate of incorporation is a legal document relating to the formation of a company or corporation. It is a license to form a corporation issued by state government.[1] Its precise meaning depends upon the legal system in which it is used,… … Wikipedia
Certificate of authenticity — A certificate of authenticity with a coin set A certificate of authenticity (COA) is a seal or small sticker on a proprietary computer program, t shirt, jersey, or any other memorabilia or art work, especially in the world of computers and sports … Wikipedia
Certificate of Authenticity — A Certificate of Authenticity (COA) is a seal or small sticker on a proprietary computer program, t shirt, jersey, or any other memorabilia item, especially in the world of computers and sports, which is designed to demonstrate that the item is… … Wikipedia
Certificate of Proficiency in English — The Certificate of Proficiency in English or CPE (as it is usually referred to) is the most advanced general English exam provided by University of Cambridge ESOL Examinations. The English level of those who have passed the CPE is supposed to be… … Wikipedia
Certificate of Use of Language in Spanish — The Certificate of Use of Language in Spanish, or CELU (Certificado de Español: Lengua y Uso), is an exam designed to determine the level of proficiency in the Spanish language. This exam can be taken by anyone whose mother language is not… … Wikipedia
Hong Kong Certificate of Identity — The Hong Kong Certificate of Identity (CI) (Traditional Chinese: 身份證明書) was a formal travel document, in lieu of a passport, issued by the colonial Hong Kong Government s Immigration Department until June 30 1997 (See transfer of the sovereignty… … Wikipedia
Public key certificate — Diagram of an example usage of digital certificate In cryptography, a public key certificate (also known as a digital certificate or identity certificate) is an electronic document which uses a digital signature to bind a public key with an… … Wikipedia
