Combine md4 into a single C file.

1 files changed, 266 insertions, 0 deletions

diff --git a/src/lib/libcrypto/md4/md4.c b/src/lib/libcrypto/md4/md4.c
new file mode 100644
index 0000000000..a60196e5b9
--- /dev/null
+++ b/src/lib/libcrypto/md4/md4.c
@@ -0,0 +1,266 @@
+/* $OpenBSD: md4.c,v 1.5 2023/07/28 11:04:41 jsing 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 <stdio.h>
+#include <openssl/opensslv.h>
+#include <openssl/crypto.h>
+
+#include <stdlib.h>
+#include <string.h>
+#include <openssl/opensslconf.h>
+#include <openssl/md4.h>
+
+__BEGIN_HIDDEN_DECLS
+
+void md4_block_data_order (MD4_CTX *c, const void *p, size_t num);
+
+__END_HIDDEN_DECLS
+
+#define DATA_ORDER_IS_LITTLE_ENDIAN
+
+#define HASH_LONG               MD4_LONG
+#define HASH_CTX                MD4_CTX
+#define HASH_CBLOCK             MD4_CBLOCK
+#define HASH_UPDATE             MD4_Update
+#define HASH_TRANSFORM          MD4_Transform
+#define HASH_FINAL              MD4_Final
+#define HASH_MAKE_STRING(c,s)   do {    \
+        unsigned long ll;               \
+        ll=(c)->A; HOST_l2c(ll,(s));    \
+        ll=(c)->B; HOST_l2c(ll,(s));    \
+        ll=(c)->C; HOST_l2c(ll,(s));    \
+        ll=(c)->D; HOST_l2c(ll,(s));    \
+        } while (0)
+#define HASH_BLOCK_DATA_ORDER   md4_block_data_order
+
+#include "md32_common.h"
+LCRYPTO_ALIAS(MD4_Update);
+LCRYPTO_ALIAS(MD4_Final);
+LCRYPTO_ALIAS(MD4_Transform);
+
+/*
+#define F(x,y,z)        (((x) & (y))  |  ((~(x)) & (z)))
+#define G(x,y,z)        (((x) & (y))  |  ((x) & ((z))) | ((y) & ((z))))
+*/
+
+/* As pointed out by Wei Dai <weidai@eskimo.com>, the above can be
+ * simplified to the code below.  Wei attributes these optimizations
+ * to Peter Gutmann's SHS code, and he attributes it to Rich Schroeppel.
+ */
+#define F(b,c,d)        ((((c) ^ (d)) & (b)) ^ (d))
+#define G(b,c,d)        (((b) & (c)) | ((b) & (d)) | ((c) & (d)))
+#define H(b,c,d)        ((b) ^ (c) ^ (d))
+
+#define R0(a,b,c,d,k,s,t) { \
+        a+=((k)+(t)+F((b),(c),(d))); \
+        a=ROTATE(a,s); };
+
+#define R1(a,b,c,d,k,s,t) { \
+        a+=((k)+(t)+G((b),(c),(d))); \
+        a=ROTATE(a,s); };\
+
+#define R2(a,b,c,d,k,s,t) { \
+        a+=((k)+(t)+H((b),(c),(d))); \
+        a=ROTATE(a,s); };
+
+/* Implemented from RFC1186 The MD4 Message-Digest Algorithm
+ */
+
+#define INIT_DATA_A (unsigned long)0x67452301L
+#define INIT_DATA_B (unsigned long)0xefcdab89L
+#define INIT_DATA_C (unsigned long)0x98badcfeL
+#define INIT_DATA_D (unsigned long)0x10325476L
+
+int
+MD4_Init(MD4_CTX *c)
+{
+        memset (c, 0, sizeof(*c));
+        c->A = INIT_DATA_A;
+        c->B = INIT_DATA_B;
+        c->C = INIT_DATA_C;
+        c->D = INIT_DATA_D;
+        return 1;
+}
+LCRYPTO_ALIAS(MD4_Init);
+
+#ifndef md4_block_data_order
+#ifdef X
+#undef X
+#endif
+void
+md4_block_data_order(MD4_CTX *c, const void *data_, size_t num)
+{
+        const unsigned char *data = data_;
+        unsigned MD32_REG_T A, B, C, D, l;
+        unsigned MD32_REG_T X0, X1, X2, X3, X4, X5, X6, X7,
+            X8, X9, X10, X11, X12, X13, X14, X15;
+
+        A = c->A;
+        B = c->B;
+        C = c->C;
+        D = c->D;
+
+        for (; num--; ) {
+                HOST_c2l(data, l);
+                X0 = l;
+                HOST_c2l(data, l);
+                X1 = l;
+                /* Round 0 */
+                R0(A, B, C, D, X0, 3, 0);
+                HOST_c2l(data, l);
+                X2 = l;
+                R0(D, A, B, C, X1, 7, 0);
+                HOST_c2l(data, l);
+                X3 = l;
+                R0(C, D, A, B, X2, 11, 0);
+                HOST_c2l(data, l);
+                X4 = l;
+                R0(B, C, D, A, X3, 19, 0);
+                HOST_c2l(data, l);
+                X5 = l;
+                R0(A, B, C, D, X4, 3, 0);
+                HOST_c2l(data, l);
+                X6 = l;
+                R0(D, A, B, C, X5, 7, 0);
+                HOST_c2l(data, l);
+                X7 = l;
+                R0(C, D, A, B, X6, 11, 0);
+                HOST_c2l(data, l);
+                X8 = l;
+                R0(B, C, D, A, X7, 19, 0);
+                HOST_c2l(data, l);
+                X9 = l;
+                R0(A, B, C, D, X8, 3, 0);
+                HOST_c2l(data, l);
+                X10 = l;
+                R0(D, A,B, C,X9, 7, 0);
+                HOST_c2l(data, l);
+                X11 = l;
+                R0(C, D,A, B,X10, 11, 0);
+                HOST_c2l(data, l);
+                X12 = l;
+                R0(B, C,D, A,X11, 19, 0);
+                HOST_c2l(data, l);
+                X13 = l;
+                R0(A, B,C, D,X12, 3, 0);
+                HOST_c2l(data, l);
+                X14 = l;
+                R0(D, A,B, C,X13, 7, 0);
+                HOST_c2l(data, l);
+                X15 = l;
+                R0(C, D,A, B,X14, 11, 0);
+                R0(B, C,D, A,X15, 19, 0);
+                /* Round 1 */
+                R1(A, B, C, D, X0, 3, 0x5A827999L);
+                R1(D, A, B, C, X4, 5, 0x5A827999L);
+                R1(C, D, A, B, X8, 9, 0x5A827999L);
+                R1(B, C, D, A, X12, 13, 0x5A827999L);
+                R1(A, B, C, D, X1, 3, 0x5A827999L);
+                R1(D, A, B, C, X5, 5, 0x5A827999L);
+                R1(C, D, A, B, X9, 9, 0x5A827999L);
+                R1(B, C, D, A, X13, 13, 0x5A827999L);
+                R1(A, B, C, D, X2, 3, 0x5A827999L);
+                R1(D, A, B, C, X6, 5, 0x5A827999L);
+                R1(C, D, A, B, X10, 9, 0x5A827999L);
+                R1(B, C, D, A, X14, 13, 0x5A827999L);
+                R1(A, B, C, D, X3, 3, 0x5A827999L);
+                R1(D, A, B, C, X7, 5, 0x5A827999L);
+                R1(C, D, A, B, X11, 9, 0x5A827999L);
+                R1(B, C, D, A, X15, 13, 0x5A827999L);
+                /* Round 2 */
+                R2(A, B, C, D, X0, 3, 0x6ED9EBA1L);
+                R2(D, A, B, C, X8, 9, 0x6ED9EBA1L);
+                R2(C, D, A, B, X4, 11, 0x6ED9EBA1L);
+                R2(B, C, D, A, X12, 15, 0x6ED9EBA1L);
+                R2(A, B, C, D, X2, 3, 0x6ED9EBA1L);
+                R2(D, A, B, C, X10, 9, 0x6ED9EBA1L);
+                R2(C, D, A, B, X6, 11, 0x6ED9EBA1L);
+                R2(B, C, D, A, X14, 15, 0x6ED9EBA1L);
+                R2(A, B, C, D, X1, 3, 0x6ED9EBA1L);
+                R2(D, A, B, C, X9, 9, 0x6ED9EBA1L);
+                R2(C, D, A, B, X5, 11, 0x6ED9EBA1L);
+                R2(B, C, D, A, X13, 15, 0x6ED9EBA1L);
+                R2(A, B, C, D, X3, 3, 0x6ED9EBA1L);
+                R2(D, A, B, C, X11, 9, 0x6ED9EBA1L);
+                R2(C, D, A, B, X7, 11, 0x6ED9EBA1L);
+                R2(B, C, D, A, X15, 15, 0x6ED9EBA1L);
+
+                A = c->A += A;
+                B = c->B += B;
+                C = c->C += C;
+                D = c->D += D;
+        }
+}
+#endif
+
+unsigned char *
+MD4(const unsigned char *d, size_t n, unsigned char *md)
+{
+        MD4_CTX c;
+        static unsigned char m[MD4_DIGEST_LENGTH];
+
+        if (md == NULL)
+                md = m;
+        if (!MD4_Init(&c))
+                return NULL;
+        MD4_Update(&c, d, n);
+        MD4_Final(md, &c);
+        explicit_bzero(&c, sizeof(c));
+        return (md);
+}
+LCRYPTO_ALIAS(MD4);