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Contains the "signature" of a ZIP archive as a SHA-1 hash value, and information on how it was calculated. This can be used to identify a ZIP archive using only a small portion of the ZIP archive data.

Hierarchy

  • IZipArchiveSignature

Index

Properties

dataChunkIndex

dataChunkIndex: number

The array index into ZipArchiveInformation.dataChunkDescriptors pointing out a specific ByteRange (data chunk) that was fetched in order to calculate the ZIP archive signature.

int

rangeWithinDataChunk

rangeWithinDataChunk: IByteRange

The byte range within the data chunk defined by dataChunkIndex that should be used to calculate the ZIP archive signature value.

sha1Hash

sha1Hash: string

The calculated signature value as a lower-cased hex string.

The value is calculated by performing the SHA-1 hash algorithm on the data defined by dataChunkIndex and rangeWithinDataChunk.

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