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  2. Killian documents authenticity issues - Wikipedia

    en.wikipedia.org/wiki/Killian_documents...

    During the Killian documents controversy in 2004, the authenticity of the documents themselves was disputed by a variety of individuals and groups. Proof of authenticity is not possible without original documents, and since CBS used only faxed and photocopied duplicates, authentication to professional standards would be impossible regardless of the provenance of the originals.

  3. Certified copy - Wikipedia

    en.wikipedia.org/wiki/Certified_copy

    A certified copy is a copy (often a photocopy) of a primary document that has on it an endorsement or certificate that it is a true copy of the primary document. It does not certify that the primary document is genuine, only that it is a true copy of the primary document.

  4. Exemplified copy - Wikipedia

    en.wikipedia.org/wiki/Exemplified_copy

    An exemplified copy (or exemplification) is an official attested copy or transcript of a public instrument, made under the seal and original pen-in-hand signature [1] of a court or public functionary [2] and in the name of the sovereign, [3] for example, "The People of the State of Oklahoma". Exemplifications can only be attested and executed ...

  5. Comparison of data-serialization formats - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_data...

    BER: variable-length big-endian binary representation (up to 2 2 1024 bits); PER Unaligned: a fixed number of bits if the integer type has a finite range; a variable number of bits otherwise; PER Aligned: a fixed number of bits if the integer type has a finite range and the size of the range is less than 65536; a variable number of octets ...

  6. Authenticated encryption - Wikipedia

    en.wikipedia.org/wiki/Authenticated_encryption

    Authenticated Encryption (AE) is an encryption scheme which simultaneously assures the data confidentiality (also known as privacy: the encrypted message is impossible to understand without the knowledge of a secret key [1]) and authenticity (in other words, it is unforgeable: [2] the encrypted message includes an authentication tag that the sender can calculate only while possessing the ...

  7. In Plain English: SEC Publishes Guidance on Tokens as ... - AOL

    www.aol.com/news/plain-english-sec-publishes...

    The U.S. Securities and Exchange Commission (SEC) has published an investment contract framework for digital assets, which is intended to give crypto companies guidance as to whether a ...

  8. Best evidence rule - Wikipedia

    en.wikipedia.org/wiki/Best_evidence_rule

    The rule specifies that secondary evidence, such as a copy or facsimile, will be not admissible if an original document exists and can be obtained. [1] The rule has its roots in 18th-century British law, [ 2 ] at a time when copies would be rewritten by hand and hence more vulnerable to inaccuracies.

  9. 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.