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Processing Textual Data
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Built-in
Mathematica
Symbol
FileHash
LeafCount
ByteCount
Dispatch
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Converting between Expressions & Strings
Cryptographic Number Theory
Expression Structure
Memory Measurement & Optimization
Processing Textual Data
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New in 6.0: Core Language
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Hash
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
.
MORE INFORMATION
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
EXAMPLES
CLOSE ALL
Basic Examples
(2)
In[1]:=
Out[1]=
Digital fingerprint of data:
In[1]:=
Out[1]=
Scope
(8)
Applications
(2)
Properties & Relations
(3)
Neat Examples
(1)
SEE ALSO
FileHash
LeafCount
ByteCount
Dispatch
MORE ABOUT
Converting between Expressions & Strings
Cryptographic Number Theory
Expression Structure
Memory Measurement & Optimization
Processing Textual Data
String Manipulation
String Operations
New in 6.0: Core Language
New in 1 | Last modified in 6
© 2008 Wolfram Research, Inc.
EXAMPLES
Basic Examples 
Scope 