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16 lines
310 B
C
16 lines
310 B
C
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/* radare - LGPL - Copyright 2013 pancake */
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#include <r_hash.h>
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const int MOD_ADLER = 65521;
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ut32 r_hash_adler32(const ut8 *data, int len) {
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ut32 a = 1, b = 0;
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int index;
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for (index = 0; index < len; ++index) {
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a = (a + data[index]) % MOD_ADLER;
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b = (b + a) % MOD_ADLER;
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}
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return (b << 16) | a;
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}
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