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Hash

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Hash[expr]
gives an integer hash code for the expression expr.
Hash[expr, "type"]
gives an integer hash code of the specified type for expr.
  • Hash[expr, ...] will always give the same result for the same expression expr.
  • Possible hash code types include:
"Adler32"Adler 32-bit cyclic redundancy check
"CRC32"32-bit cyclic redundancy check
"MD2"128-bit MD2 code
"MD5"128-bit MD5 code
"SHA"160-bit SHA-1 code
"SHA256"256-bit SHA code
"SHA384"384-bit SHA code
"SHA512"512-bit SHA code
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