/*
- * $Source$
- * $Author$
- * $Id$
+ **********************************************************************
+ ** md4driver.c -- sample routines to test **
+ ** RSA Data Security, Inc. MD4 message digest algorithm. **
+ ** Created: 2/16/90 RLR **
+ ** Updated: 1/91 SRD **
+ **********************************************************************
*/
/*
- * md4driver.c from RFC1186
- *
- * $Log$
- * Revision 5.1 1990/11/08 11:33:37 jtkohl
- * fix indentation to remove extra space from documentation file
- * use kerberos include files
- * add missing double quotes in printf statements
- * only use "rb" if this is ANSI C
- *
- * Revision 5.0 90/11/07 14:12:29 jtkohl
- * Initial code from RFC
- *
+ **********************************************************************
+ ** Copyright (C) 1990, RSA Data Security, Inc. All rights reserved. **
+ ** **
+ ** RSA Data Security, Inc. makes no representations concerning **
+ ** either the merchantability of this software or the suitability **
+ ** of this software for any particular purpose. It is provided "as **
+ ** is" without express or implied warranty of any kind. **
+ ** **
+ ** These notices must be retained in any copies of any part of this **
+ ** documentation and/or software. **
+ **********************************************************************
*/
-/*
-** ********************************************************************
-** md4driver.c -- sample routines to test **
-** MD4 message digest algorithm. **
-** Updated: 2/16/90 by Ronald L. Rivest **
-** (C) 1990 RSA Data Security, Inc. **
-** ********************************************************************
-*/
-
#include <stdio.h>
-#include <krb5/krb5.h>
-#include <krb5/rsa-md4.h>
-
-/* MDtimetrial()
-** A time trial routine, to measure the speed of MD4.
-** Measures speed for 1M blocks = 64M bytes.
-*/
-MDtimetrial()
-{ unsigned int X[16];
- MDstruct MD;
+#include <sys/types.h>
+#include <time.h>
+#include <string.h>
+#include "md4.h"
+
+/* Prints message digest buffer in mdContext as 32 hexadecimal digits.
+ Order is from low-order byte to high-order byte of digest.
+ Each byte is printed with high-order hexadecimal digit first.
+ */
+static void MDPrint (mdContext)
+MD4_CTX *mdContext;
+{
int i;
- double t;
- for (i=0;i<16;i++) X[i] = 0x01234567 + i;
+
+ for (i = 0; i < 16; i++)
+ printf ("%02x", mdContext->digest[i]);
+}
+
+/* size of test block */
+#define TEST_BLOCK_SIZE 1000
+
+/* number of blocks to process */
+#define TEST_BLOCKS 2000
+
+/* number of test bytes = TEST_BLOCK_SIZE * TEST_BLOCKS */
+static long TEST_BYTES = (long)TEST_BLOCK_SIZE * (long)TEST_BLOCKS;
+
+/* A time trial routine, to measure the speed of MD4.
+ Measures wall time required to digest TEST_BLOCKS * TEST_BLOCK_SIZE
+ characters.
+ */
+static void MDTimeTrial ()
+{
+ MD4_CTX mdContext;
+ time_t endTime, startTime;
+ unsigned char data[TEST_BLOCK_SIZE];
+ unsigned int i;
+
+ /* initialize test data */
+ for (i = 0; i < TEST_BLOCK_SIZE; i++)
+ data[i] = (unsigned char)(i & 0xFF);
+
+ /* start timer */
+ printf ("MD4 time trial. Processing %ld characters...\n", TEST_BYTES);
+ time (&startTime);
+
+ /* digest data in TEST_BLOCK_SIZE byte blocks */
+ MD4Init (&mdContext);
+ for (i = TEST_BLOCKS; i > 0; i--)
+ MD4Update (&mdContext, data, TEST_BLOCK_SIZE);
+ MD4Final (&mdContext);
+ /* stop timer, get time difference */
+ time (&endTime);
+ MDPrint (&mdContext);
+ printf (" is digest of test input.\n");
+ printf
+ ("Seconds to process test input: %ld\n", (long)(endTime-startTime));
printf
- ("MD4 time trial. Processing 1 million 64-character blocks...\n");
- clock();
- MDbegin(&MD);
- for (i=0;i<1000000;i++) MDupdate(&MD,X,512);
- MDupdate(&MD,X,0);
- t = (double) clock(); /* in microseconds */
- MDprint(&MD); printf(" is digest of 64M byte test input.\n");
- printf("Seconds to process test input: %g\n",t/1e6);
- printf("Characters processed per second: %ld.\n",(int)(64e12/t));
+ ("Characters processed per second: %ld\n",
+ TEST_BYTES/(endTime-startTime));
}
-/* MDstring(s)
-** Computes the message digest for string s.
-** Prints out message digest, a space, the string (in quotes) and a
-** carriage return.
-*/
-MDstring(s)
-unsigned char *s;
-{ unsigned int i, len = strlen(s);
- MDstruct MD;
- MDbegin(&MD);
- for (i=0;i+64<=len;i=i+64) MDupdate(&MD,s+i,512);
- MDupdate(&MD,s+i,(len-i)*8);
- MDprint(&MD);
- printf(" \"%s\"\n",s);
+/* Computes the message digest for string inString.
+ Prints out message digest, a space, the string (in quotes) and a
+ carriage return.
+ */
+static void MDString (inString)
+char *inString;
+{
+ MD4_CTX mdContext;
+ unsigned int len = strlen (inString);
+
+ MD4Init (&mdContext);
+ MD4Update (&mdContext, inString, len);
+ MD4Final (&mdContext);
+ MDPrint (&mdContext);
+ printf (" \"%s\"\n\n", inString);
}
-/* MDfile(filename)
-** Computes the message digest for a specified file.
-** Prints out message digest, a space, the file name, and a
-** carriage return.
-*/
-MDfile(filename)
+/* Computes the message digest for a specified file.
+ Prints out message digest, a space, the file name, and a carriage
+ return.
+ */
+static void MDFile (filename)
char *filename;
-{
-#ifdef __STDC__
- FILE *f = fopen(filename,"rb");
-#else
- FILE *f = fopen(filename,"r");
-#endif
- unsigned char X[64];
- MDstruct MD;
- int b;
- if (f == NULL)
- { printf("%s can't be opened.\n",filename); return; }
- MDbegin(&MD);
- while ((b=fread(X,1,64,f))!=0) MDupdate(&MD,X,b*8);
-
- MDupdate(&MD,X,0);
- MDprint(&MD);
- printf(" %s\n",filename);
- fclose(f);
+{
+ FILE *inFile = fopen (filename, "rb");
+ MD4_CTX mdContext;
+ int bytes;
+ unsigned char data[1024];
+
+ if (inFile == NULL) {
+ printf ("%s can't be opened.\n", filename);
+ return;
+ }
+
+ MD4Init (&mdContext);
+ while ((bytes = fread (data, 1, 1024, inFile)) != 0)
+ MD4Update (&mdContext, data, bytes);
+ MD4Final (&mdContext);
+ MDPrint (&mdContext);
+ printf (" %s\n", filename);
+ fclose (inFile);
}
-/* MDfilter()
-** Writes the message digest of the data from stdin onto stdout,
-** followed by a carriage return.
-*/
-MDfilter()
-{ unsigned char X[64];
- MDstruct MD;
- int b;
- MDbegin(&MD);
- while ((b=fread(X,1,64,stdin))!=0) MDupdate(&MD,X,b*8);
- MDupdate(&MD,X,0);
- MDprint(&MD);
- printf("\n");
+
+/* Writes the message digest of the data from stdin onto stdout,
+ followed by a carriage return.
+ */
+static void MDFilter ()
+{
+ MD4_CTX mdContext;
+ int bytes;
+ unsigned char data[16];
+
+ MD4Init (&mdContext);
+ while ((bytes = fread (data, 1, 16, stdin)) != 0)
+ MD4Update (&mdContext, data, bytes);
+ MD4Final (&mdContext);
+ MDPrint (&mdContext);
+ printf ("\n");
}
-/* MDtestsuite()
-** Run a standard suite of test data.
-*/
-MDtestsuite()
+/* Runs a standard suite of test data.
+ */
+static void MDTestSuite ()
{
- printf("MD4 test suite results:\n");
- MDstring("");
- MDstring("a");
- MDstring("abc");
- MDstring("message digest");
- MDstring("abcdefghijklmnopqrstuvwxyz");
- MDstring
- ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
- MDfile("foo"); /* Contents of file foo are "abc" */
+ printf ("MD4 test suite results:\n\n");
+ MDString ("");
+ MDString ("a");
+ MDString ("abc");
+ MDString ("message digest");
+ MDString ("abcdefghijklmnopqrstuvwxyz");
+ MDString
+ ("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789");
+ MDString
+ ("1234567890123456789012345678901234567890\
+1234567890123456789012345678901234567890");
+ /* Contents of file foo are "abc" */
+ MDFile ("foo");
}
-main(argc,argv)
+void main (argc, argv)
int argc;
char *argv[];
-{ int i;
+{
+ int i;
+
/* For each command line argument in turn:
** filename -- prints message digest and name of file
** -sstring -- prints message digest and contents of string
- ** -t -- prints time trial statistics for 64M bytes
+ ** -t -- prints time trial statistics for 1M characters
** -x -- execute a standard suite of test data
** (no args) -- writes messages digest of stdin onto stdout
*/
-
- if (argc==1) MDfilter();
+ if (argc == 1)
+ MDFilter ();
else
- for (i=1;i<argc;i++)
- if (argv[i][0]=='-' && argv[i][1]=='s') MDstring(argv[i]+2);
- else if (strcmp(argv[i],"-t")==0) MDtimetrial();
- else if (strcmp(argv[i],"-x")==0) MDtestsuite();
- else MDfile(argv[i]);
+ for (i = 1; i < argc; i++)
+ if (argv[i][0] == '-' && argv[i][1] == 's')
+ MDString (argv[i] + 2);
+ else if (strcmp (argv[i], "-t") == 0)
+ MDTimeTrial ();
+ else if (strcmp (argv[i], "-x") == 0)
+ MDTestSuite ();
+ else MDFile (argv[i]);
}
/*
-** end of md4driver.c
-*/
+ **********************************************************************
+ ** End of md4driver.c **
+ ******************************* (cut) ********************************
+ */
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