parent
08fb29a035
commit
ccc64df371
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@ -107,9 +107,11 @@ endif()
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if(BROWSER_AVAILABLE_INTERNAL)
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list(APPEND obs_PLATFORM_SOURCES
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obf.c
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auth-oauth.cpp
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)
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list(APPEND obs_PLATFORM_HEADERS
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obf.h
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auth-oauth.hpp
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)
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endif()
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@ -0,0 +1,27 @@
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#include "obf.h"
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#include <stdbool.h>
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#define LOWER_HALFBYTE(x) ((x) & 0xF)
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#define UPPER_HALFBYTE(x) (((x) >> 4) & 0xF)
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void deobfuscate_str(char *str, uint64_t val)
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{
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uint8_t *dec_val = (uint8_t*)&val;
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int i = 0;
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while (*str != 0) {
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int pos = i / 2;
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bool bottom = (i % 2) == 0;
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uint8_t *ch = (uint8_t*)str;
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uint8_t xor = bottom ?
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LOWER_HALFBYTE(dec_val[pos]) :
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UPPER_HALFBYTE(dec_val[pos]);
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*ch ^= xor;
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if (++i == sizeof(uint64_t) * 2)
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i = 0;
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str++;
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}
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}
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