Following are the fields and their descriptions as found in the documentation on the original Government source CD. Field widths have been left out except for the name field which was 100 characters wide.

SHA-1 - 160-bit Secure Hash Algorithm message digest (file signature) of a specific file as defined in FIPS PUB 180-2

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MD5 - 128-bit Message Digest 5 (file signature) of a specific file as defined in IETF RFC 1321

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CRC32 - 32-bit Cyclic Redundancy Checksum (file signature) of a specific file as defined in CCITT X.25 link-level protocol and FIPS PUB 71.

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FileName - Name of a specific file within a software product.

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FileSize - Size in bytes of a specific file.

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ProductCode - Identifier of a specific software product, e.g., "103"; maps to the NSRL database

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OpSystemCode - Code identifier of a specific operating system version

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SpecialCode - A single character field that identifies special file signature entries, such as malicious code signatures or other types of special entries

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The fields that follow are described in a file named: nsrlprod.txt which is located on the original CD.

MfgCode - Character identifier of a specific vendor or manufacturer

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MfgName - Identifying name of the vendor or manufacturer of the software product, e.g., "Microsoft"

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OpSystemName - Identifying name of the operating system on which the software product executes, e.g., "Windows NT"

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OpSystemVersion - Characters that identify individual versions of an operating system on which the software product executes, e.g., "4.0"

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ProductName - Identifying name of the software product, e.g., "Netscape Communicator"

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ProductVersion - Characters that identify individual versions of a software product, e.g., "3.0"

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RDSVersion - Character string that identifies the date and version of the RDS distribution. Found on the original CD.

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See a sample  of the original records.
Back to Hash Set_Cd information.