3 files changed, 177 insertions, 0 deletions
diff --git a/openssl-1.1.0h/crypto/mdc2/build.info b/openssl-1.1.0h/crypto/mdc2/build.info
new file mode 100644
index 0000000..8fe6878
--- /dev/null
+++ b/openssl-1.1.0h/crypto/mdc2/build.info
@@ -0,0 +1,3 @@
+LIBS=../../libcrypto
+SOURCE[../../libcrypto]=\
+        mdc2dgst.c mdc2_one.c
diff --git a/openssl-1.1.0h/crypto/mdc2/mdc2_one.c b/openssl-1.1.0h/crypto/mdc2/mdc2_one.c
new file mode 100644
index 0000000..472a5ec
--- /dev/null
+++ b/openssl-1.1.0h/crypto/mdc2/mdc2_one.c
@@ -0,0 +1,27 @@
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include "internal/cryptlib.h"
+#include <openssl/mdc2.h>
+
+unsigned char *MDC2(const unsigned char *d, size_t n, unsigned char *md)
+{
+    MDC2_CTX c;
+    static unsigned char m[MDC2_DIGEST_LENGTH];
+
+    if (md == NULL)
+        md = m;
+    if (!MDC2_Init(&c))
+        return NULL;
+    MDC2_Update(&c, d, n);
+    MDC2_Final(md, &c);
+    OPENSSL_cleanse(&c, sizeof(c)); /* security consideration */
+    return (md);
+}
diff --git a/openssl-1.1.0h/crypto/mdc2/mdc2dgst.c b/openssl-1.1.0h/crypto/mdc2/mdc2dgst.c
new file mode 100644
index 0000000..37d99f4
--- /dev/null
+++ b/openssl-1.1.0h/crypto/mdc2/mdc2dgst.c
@@ -0,0 +1,147 @@
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <openssl/crypto.h>
+#include <openssl/des.h>
+#include <openssl/mdc2.h>
+
+#undef c2l
+#define c2l(c,l)        (l =((DES_LONG)(*((c)++)))    , \
+                         l|=((DES_LONG)(*((c)++)))<< 8L, \
+                         l|=((DES_LONG)(*((c)++)))<<16L, \
+                         l|=((DES_LONG)(*((c)++)))<<24L)
+
+#undef l2c
+#define l2c(l,c)        (*((c)++)=(unsigned char)(((l)     )&0xff), \
+                        *((c)++)=(unsigned char)(((l)>> 8L)&0xff), \
+                        *((c)++)=(unsigned char)(((l)>>16L)&0xff), \
+                        *((c)++)=(unsigned char)(((l)>>24L)&0xff))
+
+static void mdc2_body(MDC2_CTX *c, const unsigned char *in, size_t len);
+int MDC2_Init(MDC2_CTX *c)
+{
+    c->num = 0;
+    c->pad_type = 1;
+    memset(&(c->h[0]), 0x52, MDC2_BLOCK);
+    memset(&(c->hh[0]), 0x25, MDC2_BLOCK);
+    return 1;
+}
+
+int MDC2_Update(MDC2_CTX *c, const unsigned char *in, size_t len)
+{
+    size_t i, j;
+
+    i = c->num;
+    if (i != 0) {
+        if (len < MDC2_BLOCK - i) {
+            /* partial block */
+            memcpy(&(c->data[i]), in, len);
+            c->num += (int)len;
+            return 1;
+        } else {
+            /* filled one */
+            j = MDC2_BLOCK - i;
+            memcpy(&(c->data[i]), in, j);
+            len -= j;
+            in += j;
+            c->num = 0;
+            mdc2_body(c, &(c->data[0]), MDC2_BLOCK);
+        }
+    }
+    i = len & ~((size_t)MDC2_BLOCK - 1);
+    if (i > 0)
+        mdc2_body(c, in, i);
+    j = len - i;
+    if (j > 0) {
+        memcpy(&(c->data[0]), &(in[i]), j);
+        c->num = (int)j;
+    }
+    return 1;
+}
+
+static void mdc2_body(MDC2_CTX *c, const unsigned char *in, size_t len)
+{
+    register DES_LONG tin0, tin1;
+    register DES_LONG ttin0, ttin1;
+    DES_LONG d[2], dd[2];
+    DES_key_schedule k;
+    unsigned char *p;
+    size_t i;
+
+    for (i = 0; i < len; i += 8) {
+        c2l(in, tin0);
+        d[0] = dd[0] = tin0;
+        c2l(in, tin1);
+        d[1] = dd[1] = tin1;
+        c->h[0] = (c->h[0] & 0x9f) | 0x40;
+        c->hh[0] = (c->hh[0] & 0x9f) | 0x20;
+
+        DES_set_odd_parity(&c->h);
+        DES_set_key_unchecked(&c->h, &k);
+        DES_encrypt1(d, &k, 1);
+
+        DES_set_odd_parity(&c->hh);
+        DES_set_key_unchecked(&c->hh, &k);
+        DES_encrypt1(dd, &k, 1);
+
+        ttin0 = tin0 ^ dd[0];
+        ttin1 = tin1 ^ dd[1];
+        tin0 ^= d[0];
+        tin1 ^= d[1];
+
+        p = c->h;
+        l2c(tin0, p);
+        l2c(ttin1, p);
+        p = c->hh;
+        l2c(ttin0, p);
+        l2c(tin1, p);
+    }
+}
+
+int MDC2_Final(unsigned char *md, MDC2_CTX *c)
+{
+    unsigned int i;
+    int j;
+
+    i = c->num;
+    j = c->pad_type;
+    if ((i > 0) || (j == 2)) {
+        if (j == 2)
+            c->data[i++] = 0x80;
+        memset(&(c->data[i]), 0, MDC2_BLOCK - i);
+        mdc2_body(c, c->data, MDC2_BLOCK);
+    }
+    memcpy(md, (char *)c->h, MDC2_BLOCK);
+    memcpy(&(md[MDC2_BLOCK]), (char *)c->hh, MDC2_BLOCK);
+    return 1;
+}
+
+#undef TEST
+
+#ifdef TEST
+main()
+{
+    unsigned char md[MDC2_DIGEST_LENGTH];
+    int i;
+    MDC2_CTX c;
+    static char *text = "Now is the time for all ";
+
+    MDC2_Init(&c);
+    MDC2_Update(&c, text, strlen(text));
+    MDC2_Final(&(md[0]), &c);
+
+    for (i = 0; i < MDC2_DIGEST_LENGTH; i++)
+        printf("%02X", md[i]);
+    printf("\n");
+}
+
+#endif