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smallmodel 2025-02-28 18:11:09 +01:00
parent c1a66bf9e7
commit f89bfba5dc
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GPG key ID: 9F2D623CEDF08512
12 changed files with 1085 additions and 1052 deletions
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33
code/gamespy/gcrypt.c
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@ -188,3 +188,36 @@ void crypt_docrypt(GCryptInfo *info, unsigned char *out, int len)
info->wordPtr++;
}
}
int enctype2_encoder(unsigned char *secKey, unsigned char *data, int size)
{
GCryptInfo info = {0};
int i;
int header_size = 8;
// move the data and put it after the header
for (i = size - 1; i >= 0; i--) {
data[1 + header_size + i] = data[i];
}
// initialize the header
for (i = 0; i < header_size; i++) {
data[i + 1] = 0;
}
// initialize the crypt key
init_crypt_key(data + 1, header_size, &info);
for (i = 0; i < 6; i++) {
data[1 + header_size + size + i] = 0;
}
crypt_docrypt(&info, data + 1 + header_size, size + 6);
for (i = 0; secKey[i]; i++) {
data[i + 1] ^= secKey[i];
}
size += 1 + header_size + 6;
*data = header_size ^ 0xec;
return size;
}