40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
#include "pch.h"
|
|
#include "Crypt.h"
|
|
#include "Patches.h"
|
|
#include "Util.h"
|
|
|
|
Crypt__verifySignatureBase64_t Crypt__verifySignatureBase64 = (Crypt__verifySignatureBase64_t)ADDRESS_CRYPT__VERIFYSIGNATUREBASE64;
|
|
|
|
// Crypt::verifySignatureBase64(std::string message, std::string signatureBase64)
|
|
void __fastcall Crypt__verifySignatureBase64_hook(HCRYPTPROV* _this, void*, int a2, BYTE* pbData, int a4, int a5, int a6, DWORD dwDataLen, int a8, int a9, int a10, int a11, int a12, int a13, int a14, int a15)
|
|
{
|
|
/*
|
|
Ideally, we would be able to just use the function signature as-is.
|
|
However, it causes inexplicable crashes. Thus, we must reconstruct
|
|
the strings by hand given the manual parameters.
|
|
*/
|
|
|
|
std::string message;
|
|
std::string signatureBase64;
|
|
|
|
// Get message
|
|
const BYTE* v18 = pbData;
|
|
if ((unsigned int)a8 < 0x10)
|
|
{
|
|
v18 = (const BYTE*)&pbData;
|
|
}
|
|
|
|
message = std::string(reinterpret_cast<char const*>(pbData), dwDataLen);
|
|
|
|
// Get signatureBase64
|
|
int* v21 = (int*)a10;
|
|
if ((unsigned int)a15 < 0x10)
|
|
{
|
|
v21 = &a10;
|
|
}
|
|
|
|
signatureBase64 = std::string(reinterpret_cast<const char*>(v21), a14);
|
|
|
|
// Verify the signature
|
|
|
|
} |