pdfium/testing/utils/hash.cpp
Tom Sepez 4fab2ee66f Opt more testing/ sub-directories into unsafe buffers.
Remove the per-directory suppression, and suppress individual lines in
the files originated by PDFium. Help to avoid new unsafe usage from
being added in any future CLs.

Change-Id: I6b8591ecbf74c4857a02c6f4c28167bde0ce890d
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/149130
Reviewed-by: Lei Zhang <thestig@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
2026-06-04 16:58:35 -07:00

27 lines
728 B
C++

// Copyright 2019 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "testing/utils/hash.h"
#include "core/fdrm/fx_crypt.h"
#include "core/fxcrt/compiler_specific.h"
std::string CryptToBase16(const uint8_t* digest) {
static char const zEncode[] = "0123456789abcdef";
std::string ret;
ret.resize(32);
for (int i = 0, j = 0; i < 16; i++, j += 2) {
uint8_t a = UNSAFE_TODO(digest[i]);
ret[j] = zEncode[(a >> 4) & 0xf];
ret[j + 1] = zEncode[a & 0xf];
}
return ret;
}
std::string GenerateMD5Base16(pdfium::span<const uint8_t> data) {
uint8_t digest[16];
CryptMd5Generate(data, digest);
return CryptToBase16(digest);
}