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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
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Diffstat (limited to 'openssl/crypto/mdc2/mdc2dgst.c')
-rw-r--r--openssl/crypto/mdc2/mdc2dgst.c204
1 files changed, 204 insertions, 0 deletions
diff --git a/openssl/crypto/mdc2/mdc2dgst.c b/openssl/crypto/mdc2/mdc2dgst.c
new file mode 100644
index 000000000..a36b3f578
--- /dev/null
+++ b/openssl/crypto/mdc2/mdc2dgst.c
@@ -0,0 +1,204 @@
+/* crypto/mdc2/mdc2dgst.c */
+/* 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 <stdlib.h>
+#include <string.h>
+#include <openssl/des.h>
+#include <openssl/mdc2.h>
+#include <openssl/err.h>
+#ifdef OPENSSL_FIPS
+#include <openssl/fips.h>
+#endif
+
+
+#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);
+FIPS_NON_FIPS_MD_Init(MDC2)
+ {
+ 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 (i+len < MDC2_BLOCK)
+ {
+ /* 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