<?xml version="1.0" encoding="utf-8"?>
<PRONOM-Report xmlns="http://pronom.nationalarchives.gov.uk">
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      <FormatID>1796</FormatID>
      <FormatName>SHA256 File</FormatName>
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      <FormatTypes>Text (Structured)</FormatTypes>
      <FormatDisclosure>
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      <FormatDescription>SHA256 is part of the family of SHA-2 (Secure Hash Algorithm 2) hash functions which are designed by the United States National Security Agency. SHA256 prodcues a 256-but (32-byte) hash value. It can be used as a checksum to verify data integrity. The SHA256 file is a text document which contains single or multiple SHA1 values.</FormatDescription>
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      <ByteOrders>
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      <ReleaseDate>
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      <WithdrawnDate>
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      <ProvenanceName>Digital Preservation Department / The National Archives</ProvenanceName>
      <ProvenanceSourceDate>15 Feb 2017</ProvenanceSourceDate>
      <ProvenanceDescription>
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      <LastUpdatedDate>15 Feb 2017</LastUpdatedDate>
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      <TechnicalEnvironment>
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      <FileFormatIdentifier>
        <Identifier>fmt/991</Identifier>
        <IdentifierType>PUID</IdentifierType>
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        <ExternalSignatureID>1968</ExternalSignatureID>
        <Signature>sha256</Signature>
        <SignatureType>File extension</SignatureType>
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    <SearchCriteria>Criteria</SearchCriteria>
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</PRONOM-Report>
