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//
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// License:
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// https://github.com/rapid7/metasploit-framework/blob/master/LICENSE
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//
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void xor(char* dest, char* src, char key, int len) {
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  for (int i = 0; i < len; i++) {
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    char c = src[i] ^ key;
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    dest[i] = c;
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  }
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}
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