1 files changed, 150 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/checksum/openssl-sha256.cpp b/src/VBox/Runtime/common/checksum/openssl-sha256.cpp
new file mode 100644
index 00000000..81659680
--- /dev/null
+++ b/src/VBox/Runtime/common/checksum/openssl-sha256.cpp
@@ -0,0 +1,150 @@
+/* $Id: openssl-sha256.cpp $ */
+/** @file
+ * IPRT - SHA-256 hash functions.
+ */
+
+/*
+ * Copyright (C) 2009-2023 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#include "internal/iprt.h"
+
+#include "internal/openssl-pre.h"
+#include <openssl/sha.h>
+#include "internal/openssl-post.h"
+
+#define RT_SHA256_PRIVATE_CONTEXT
+#include <iprt/sha.h>
+
+#include <iprt/assert.h>
+#include <iprt/string.h>
+
+
+AssertCompile(RT_SIZEOFMEMB(RTSHA256CONTEXT, abPadding) >= RT_SIZEOFMEMB(RTSHA256CONTEXT, Private));
+
+
+RTDECL(void) RTSha256(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTSHA256_HASH_SIZE])
+{
+    RTSHA256CONTEXT Ctx;
+    RTSha256Init(&Ctx);
+    RTSha256Update(&Ctx, pvBuf, cbBuf);
+    RTSha256Final(&Ctx, pabDigest);
+}
+RT_EXPORT_SYMBOL(RTSha256);
+
+
+RTDECL(bool) RTSha256Check(const void *pvBuf, size_t cbBuf, uint8_t const pabDigest[RTSHA256_HASH_SIZE])
+{
+    RTSHA256CONTEXT Ctx;
+    RTSha256Init(&Ctx);
+    RTSha256Update(&Ctx, pvBuf, cbBuf);
+    uint8_t abActualDigest[RTSHA256_HASH_SIZE];
+    RTSha256Final(&Ctx, abActualDigest);
+    bool fRet = memcmp(pabDigest, abActualDigest, RTSHA256_HASH_SIZE) == 0;
+    RT_ZERO(abActualDigest);
+    return fRet;
+}
+RT_EXPORT_SYMBOL(RTSha256Check);
+
+
+RTDECL(void) RTSha256Init(PRTSHA256CONTEXT pCtx)
+{
+    SHA256_Init(&pCtx->Private);
+}
+RT_EXPORT_SYMBOL(RTSha256Init);
+
+
+RTDECL(void) RTSha256Update(PRTSHA256CONTEXT pCtx, const void *pvBuf, size_t cbBuf)
+{
+    SHA256_Update(&pCtx->Private, pvBuf, cbBuf);
+}
+RT_EXPORT_SYMBOL(RTSha256Update);
+
+
+RTDECL(void) RTSha256Final(PRTSHA256CONTEXT pCtx, uint8_t pabDigest[32])
+{
+    SHA256_Final((unsigned char *)&pabDigest[0], &pCtx->Private);
+}
+RT_EXPORT_SYMBOL(RTSha256Final);
+
+
+/*
+ * We have to expose the same API as alt-sha256.cpp, so the SHA-224
+ * implementation also lives here. (SHA-224 is just a truncated SHA-256 with
+ * different initial values.)
+ */
+RTDECL(void) RTSha224(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTSHA224_HASH_SIZE])
+{
+    RTSHA224CONTEXT Ctx;
+    RTSha224Init(&Ctx);
+    RTSha224Update(&Ctx, pvBuf, cbBuf);
+    RTSha224Final(&Ctx, pabDigest);
+}
+RT_EXPORT_SYMBOL(RTSha224);
+
+
+RTDECL(bool) RTSha224Check(const void *pvBuf, size_t cbBuf, uint8_t const pabDigest[RTSHA224_HASH_SIZE])
+{
+    RTSHA224CONTEXT Ctx;
+    RTSha224Init(&Ctx);
+    RTSha224Update(&Ctx, pvBuf, cbBuf);
+    uint8_t abActualDigest[RTSHA224_HASH_SIZE];
+    RTSha224Final(&Ctx, abActualDigest);
+    bool fRet = memcmp(pabDigest, abActualDigest, RTSHA224_HASH_SIZE) == 0;
+    RT_ZERO(abActualDigest);
+    return fRet;
+}
+RT_EXPORT_SYMBOL(RTSha224Check);
+
+
+RTDECL(void) RTSha224Init(PRTSHA224CONTEXT pCtx)
+{
+    SHA224_Init(&pCtx->Private);
+}
+RT_EXPORT_SYMBOL(RTSha224Init);
+
+
+RTDECL(void) RTSha224Update(PRTSHA224CONTEXT pCtx, const void *pvBuf, size_t cbBuf)
+{
+    SHA224_Update(&pCtx->Private, pvBuf, cbBuf);
+}
+RT_EXPORT_SYMBOL(RTSha224Update);
+
+
+RTDECL(void) RTSha224Final(PRTSHA224CONTEXT pCtx, uint8_t pabDigest[32])
+{
+    SHA224_Final((unsigned char *)&pabDigest[0], &pCtx->Private);
+}
+RT_EXPORT_SYMBOL(RTSha224Final);
+