Function calculateFileSha256

nsisplugin/VerifyFileHash.c:38–56

}

static BOOL calculateFileSha256(const LPWSTR path, uint8_t hash[SIZE_OF_SHA_256_HASH]) {
	HANDLE file = CreateFile(path, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
	if (file == INVALID_HANDLE_VALUE) {
		return FALSE;
	}

	struct Sha_256 sha256;
	sha_256_init(&sha256, hash);

	uint8_t buffer[8192];
	DWORD bytesRead = 0;
	while (ReadFile(file, buffer, sizeof(buffer), &bytesRead, NULL) && bytesRead > 0) {
		sha_256_write(&sha256, buffer, bytesRead);
	}

	sha_256_close(&sha256);
	CloseHandle(file);
	return TRUE;
}

PLUGIN_METHOD(VerifyFileHash) {
	PLUGIN_INIT();