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  2. Public key infrastructure - Wikipedia

    en.wikipedia.org/wiki/Public_key_infrastructure

    Public key infrastructure. A public key infrastructure (PKI) is a set of roles, policies, hardware, software and procedures needed to create, manage, distribute, use, store and revoke digital certificates and manage public-key encryption. The purpose of a PKI is to facilitate the secure electronic transfer of information for a range of network ...

  3. X.509 - Wikipedia

    en.wikipedia.org/wiki/X.509

    In cryptography, X.509 is an International Telecommunication Union (ITU) standard defining the format of public key certificates. [1] X.509 certificates are used in many Internet protocols, including TLS/SSL, which is the basis for HTTPS, [2] the secure protocol for browsing the web. They are also used in offline applications, like electronic ...

  4. Community Tax Certificate - Wikipedia

    en.wikipedia.org/wiki/Community_Tax_Certificate

    Community Tax Certificate. A community tax certificate (Filipino: sertípiko ng buwís pampámayanan) or sédula (from Spanish cédula), sometimes confused as residence certificate, is a legal identity document in the Philippines. Issued by cities and municipalities to all persons that have reached the age of majority and upon payment of a ...

  5. Security printing - Wikipedia

    en.wikipedia.org/wiki/Security_printing

    Security printing. Security printing is the field of the printing industry that deals with the printing of items such as banknotes, cheques, passports, tamper-evident labels, security tapes, product authentication, stock certificates, postage stamps, and identity cards. The main goal of security printing is to prevent forgery, tampering, or ...

  6. United States one-dollar bill - Wikipedia

    en.wikipedia.org/wiki/United_States_one-dollar_bill

    The first small-size $1 Silver Certificate Common reverse of $1 Silver Certificates (Series of 1928-1934) and $1 United States Notes (Series of 1928), commonly referred to as "Funnybacks" The first small-size $1 United States Banknote printed (6.14 length × 2.61 width × 0.0043 in thickness = 156 × 66.3 × 0.11 mm)

  7. Higher School Certificate (New South Wales) - Wikipedia

    en.wikipedia.org/wiki/Higher_School_Certificate...

    The Higher School Certificate (HSC) is the credential awarded to secondary school students who successfully complete senior high school level studies (Years 11 and 12 or equivalent) in New South Wales and some ACT schools in Australia, as well as some international schools in Singapore, Malaysia, Indonesia, China, and Papua New Guinea.

  8. Security paper - Wikipedia

    en.wikipedia.org/wiki/Security_paper

    Barack Obama's birth certificate on security paper.. Security paper is a paper used in security printing that incorporates features that can be used to identify or authenticate a document as original, e.g., watermarks or invisible fibres in paper, or features that demonstrate tamper evidence when fraud is attempted, e.g., to remove or alter print such as amounts or signatures on a cheque.

  9. Page layout - Wikipedia

    en.wikipedia.org/wiki/Page_layout

    A template involves repeated elements mostly visible to the end-user/audience. Using a template to layout elements usually involves less graphic design skill than that which was required to design the template. Templates are used for minimal modification of background elements and frequent modification (or swapping) of foreground content.