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    Hash Function

    Usage

    Hash[expr] gives an integer hash code for the expression expr. Hash[expr, type] gives an integer hash digest of the specified type for expr. Hash[expr, type,

    Basic examples

    Hash a string: In[1]:=Hash[abcdef] Out[1]=2013519615402292549 Digital fingerprint of data: In[1]:=Hash[ByteArray[{123, 45, 67, 89, 98, 76, 54, 32, 1}], SHA] Out[1]=205163851794085253373860936160163003382114085276 SHA256 hash given in hexadecimal form: In[1]:=Hash[The quick brown fox jumps over the lazy dog, SHA256, HexString] Out[1]=d7a8fbb307d7809469ca9abcb0082e4f8d5651e46d3cdb762d02d0bf37c9e592

    Attribute

    Protected

    Relationships with other entities

    FileHash | GenerateDerivedKey | GenerateSymmetricKey | GenerateDigitalSignature | LeafCount | ByteCount | Dispatch | BaseEncode | BinarySerialize

    Relationships with other entities

    Typical ranks of usage in programs

    1333rd most common (1 in 195000 symbols)

    1506th most common (1 in 1230000 symbols)

    1829th most common (1 in 43000 symbols)

    History

    introduced in Version 1 (June 1988) last modified in Version 13.1 (June 2022)

    Timeline

    Timeline

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