Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 139 insertions, 0 deletions

diff --git a/include/iprt/md2.h b/include/iprt/md2.h
new file mode 100644
index 00000000..0b408424
--- /dev/null
+++ b/include/iprt/md2.h
@@ -0,0 +1,139 @@
+/** @file
+ * IPRT - Message-Digest Algorithm 2.
+ */
+
+/*
+ * Copyright (C) 2006-2022 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
+ */
+
+#ifndef IPRT_INCLUDED_md2_h
+#define IPRT_INCLUDED_md2_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <iprt/types.h>
+
+RT_C_DECLS_BEGIN
+
+/** @defgroup grp_rt_md2    RTMd2 - Message-Digest algorithm 2
+ * @ingroup grp_rt
+ * @{
+ */
+
+/** Size of a MD2 hash. */
+#define RTMD2_HASH_SIZE     16
+/** The length of a MD2 digest string. The terminator is not included. */
+#define RTMD2_DIGEST_LEN    32
+
+/**
+ * MD2 hash algorithm context.
+ */
+typedef union RTMD2CONTEXT
+{
+    uint64_t            u64BetterAlignment;
+    uint8_t             abPadding[4 + 16 + 16*4 + 16*4];
+#ifdef RT_MD2_PRIVATE_CONTEXT
+    MD2_CTX             Private;
+#endif
+#ifdef RT_MD2_PRIVATE_ALT_CONTEXT
+    RTMD2ALTPRIVATECTX  AltPrivate;
+#endif
+} RTMD2CONTEXT;
+
+/** Pointer to MD2 hash algorithm context. */
+typedef RTMD2CONTEXT *PRTMD2CONTEXT;
+
+
+/**
+ * Compute the MD2 hash of the data.
+ *
+ * @param   pvBuf       Pointer to data.
+ * @param   cbBuf       Length of data (in bytes).
+ * @param   pabDigest   Where to store the hash.
+ *                      (What's passed is a pointer to the caller's buffer.)
+ */
+RTDECL(void) RTMd2(const void *pvBuf, size_t cbBuf, uint8_t pabDigest[RTMD2_HASH_SIZE]);
+
+/**
+ * Initialize MD2 context.
+ *
+ * @param   pCtx        Pointer to the MD2 context to initialize.
+ */
+RTDECL(void) RTMd2Init(PRTMD2CONTEXT pCtx);
+
+/**
+ * Feed data into the MD2 computation.
+ *
+ * @param   pCtx        Pointer to the MD2 context.
+ * @param   pvBuf       Pointer to data.
+ * @param   cbBuf       Length of data (in bytes).
+ */
+RTDECL(void) RTMd2Update(PRTMD2CONTEXT pCtx, const void *pvBuf, size_t cbBuf);
+
+/**
+ * Compute the MD2 hash of the data.
+ *
+ * @param   pCtx        Pointer to the MD2 context.
+ * @param   pabDigest   Where to store the hash. (What's passed is a pointer to
+ *                      the caller's buffer.)
+ */
+RTDECL(void) RTMd2Final(PRTMD2CONTEXT pCtx, uint8_t pabDigest[RTMD2_HASH_SIZE]);
+
+/**
+ * Converts a MD2 hash to a digest string.
+ *
+ * @returns IPRT status code.
+ *
+ * @param   pabDigest   The binary digest returned by RTMd2Final or RTMd2.
+ * @param   pszDigest   Where to return the stringified digest.
+ * @param   cchDigest   The size of the output buffer. Should be at least
+ *                      RTMD2_STRING_LEN + 1 bytes.
+ */
+RTDECL(int) RTMd2ToString(uint8_t const pabDigest[RTMD2_HASH_SIZE], char *pszDigest, size_t cchDigest);
+
+/**
+ * Converts a MD2 hash to a digest string.
+ *
+ * @returns IPRT status code.
+ *
+ * @param   pszDigest   The stringified digest. Leading and trailing spaces are
+ *                      ignored.
+ * @param   pabDigest   Where to store the hash. (What is passed is a pointer to
+ *                      the caller's buffer.)
+ */
+RTDECL(int) RTMd2FromString(char const *pszDigest, uint8_t pabDigest[RTMD2_HASH_SIZE]);
+
+/** @} */
+
+RT_C_DECLS_END
+
+#endif /* !IPRT_INCLUDED_md2_h */
+