Temporarily revive MD4 for MS CHAP support.

1 files changed, 103 insertions, 0 deletions

diff --git a/src/lib/libcrypto/md4/md4.h b/src/lib/libcrypto/md4/md4.h
new file mode 100644
index 0000000000..04aacc9801
--- /dev/null
+++ b/src/lib/libcrypto/md4/md4.h
@@ -0,0 +1,103 @@
+/* $OpenBSD: md4.h,v 1.16 2015/09/14 01:45:03 doug Exp $ */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ * 
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ * 
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from 
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ * 
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ * 
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.]
+ */
+
+#include <stddef.h>
+
+#ifndef HEADER_MD4_H
+#define HEADER_MD4_H
+
+#include <openssl/opensslconf.h>
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#ifdef OPENSSL_NO_MD4
+#error MD4 is disabled.
+#endif
+
+/*
+ * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+ * ! MD4_LONG has to be at least 32 bits wide.                     !
+ * !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+ */
+
+#define MD4_LONG unsigned int
+
+#define MD4_CBLOCK      64
+#define MD4_LBLOCK      (MD4_CBLOCK/4)
+#define MD4_DIGEST_LENGTH 16
+
+typedef struct MD4state_st
+        {
+        MD4_LONG A,B,C,D;
+        MD4_LONG Nl,Nh;
+        MD4_LONG data[MD4_LBLOCK];
+        unsigned int num;
+        } MD4_CTX;
+
+int MD4_Init(MD4_CTX *c);
+int MD4_Update(MD4_CTX *c, const void *data, size_t len);
+int MD4_Final(unsigned char *md, MD4_CTX *c);
+unsigned char *MD4(const unsigned char *d, size_t n, unsigned char *md);
+void MD4_Transform(MD4_CTX *c, const unsigned char *b);
+#ifdef  __cplusplus
+}
+#endif
+
+#endif