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[CERTUTIL] Add -asn verb

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This commit is contained in:
Mark Jansen 2020-09-11 14:19:06 +02:00
parent c35bb8dd73
commit 05d71fa69b
5 changed files with 628 additions and 75 deletions
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87
base/applications/cmdutils/certutil/hashfile.cpp Normal file
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@ -0,0 +1,87 @@
/*
* PROJECT: ReactOS certutil
* LICENSE: MIT (https://spdx.org/licenses/MIT)
* PURPOSE: CertUtil hashfile implementation
* COPYRIGHT: Copyright 2020 Mark Jansen (mark.jansen@reactos.org)
*/
#include "precomp.h"
#include <wincrypt.h>
#include <stdlib.h>
BOOL hash_file(LPCWSTR Filename)
{
HCRYPTPROV hProv;
BOOL bSuccess = FALSE;
HANDLE hFile = CreateFileW(Filename, GENERIC_READ, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_FLAG_SEQUENTIAL_SCAN, NULL);
if (hFile == INVALID_HANDLE_VALUE)
{
ConPrintf(StdOut, L"CertUtil: -hashfile command failed: %d\n", GetLastError());
return bSuccess;
}
if (CryptAcquireContextW(&hProv, NULL, NULL, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
{
HCRYPTHASH hHash;
if (CryptCreateHash(hProv, CALG_SHA1, 0, 0, &hHash))
{
BYTE Buffer[2048];
DWORD cbRead;
while ((bSuccess = ReadFile(hFile, Buffer, sizeof(Buffer), &cbRead, NULL)))
{
if (cbRead == 0)
break;
if (!CryptHashData(hHash, Buffer, cbRead, 0))
{
bSuccess = FALSE;
ConPrintf(StdOut, L"CertUtil: -hashfile command failed to hash: %d\n", GetLastError());
break;
}
}
if (bSuccess)
{
BYTE rgbHash[20];
DWORD cbHash, n;
if (CryptGetHashParam(hHash, HP_HASHVAL, rgbHash, &cbHash, 0))
{
ConPrintf(StdOut, L"SHA1 hash of %s:\n", Filename);
for (n = 0; n < cbHash; ++n)
{
ConPrintf(StdOut, L"%02x", rgbHash[n]);
}
ConPuts(StdOut, L"\n");
}
else
{
ConPrintf(StdOut, L"CertUtil: -hashfile command failed to extract hash: %d\n", GetLastError());
bSuccess = FALSE;
}
}
CryptDestroyHash(hHash);
}
else
{
ConPrintf(StdOut, L"CertUtil: -hashfile command no algorithm: %d\n", GetLastError());
}
CryptReleaseContext(hProv, 0);
}
else
{
ConPrintf(StdOut, L"CertUtil: -hashfile command no context: %d\n", GetLastError());
}
CloseHandle(hFile);
return bSuccess;
}