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Add MurmurHash3 Operation #1694

Merged
merged 5 commits into from
Feb 8, 2024
Merged

Add MurmurHash3 Operation #1694

merged 5 commits into from
Feb 8, 2024

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AliceGrey
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Fixes #1375

@AliceGrey
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This is useful for generating favicon hashes for threat hunting in Shodan
Recipe:

To_Base64('A-Za-z0-9+/=')
Find_/_Replace({'option':'Regex','string':'(.{76})'},'$1\\n',true,true,true,true)
Find_/_Replace({'option':'Regex','string':'$'},'\\n',true,false,false,false)
MurmurHash3(0)

a3957273
a3957273 requested changes Feb 3, 2024
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src/core/operations/Murmurhash3.mjs Outdated Show resolved Hide resolved
src/core/operations/Murmurhash3.mjs Outdated Show resolved Hide resolved
@AliceGrey
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Rebased

@AliceGrey
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I believe I may have found a bug. Converting it back to a draft for now.

@AliceGrey AliceGrey marked this pull request as draft February 6, 2024 19:06
@AliceGrey
Fix calculation bug and add Convert to Signed
cfc8a50 
A signed output is often needed for Shodan and other favicon searches.
@AliceGrey AliceGrey marked this pull request as ready for review February 6, 2024 20:22
@AliceGrey
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Should be g2g now

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a3957273 commented Feb 8, 2024

Thanks for the contribution @AliceGrey, this looks really good. :)

@a3957273 a3957273 merged commit a3944fe into gchq:master Feb 8, 2024
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Feature request: Support Murmur-Hash
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@AliceGrey @a3957273