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https://github.com/OALabs/hashdb
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Jack Halon
24 lines
609 B
Python
24 lines
609 B
Python
#!/usr/bin/env python
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DESCRIPTION = "Jenkins One At A Time (JOAAT) Hashing Algorithm Used by BRC4"
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# Type can be either 'unsigned_int' (32bit) or 'unsigned_long' (64bit)
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TYPE = 'unsigned_int'
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# Test must match the exact hash of the string 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
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TEST_1 = 4059668722
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def hash(data):
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val = 0
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for c in data:
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v1 = c + val
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v2 = (1025 * v1) & 0xffffffff
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v3 = v2 >> 6
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val = v2 ^ v3
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val = (val + val * 8) & 0xffffffff
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r1 = val >> 11
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r2 = val ^ r1
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result = r2 * 32769 & 0xffffffff
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return result
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