Fix: replace unsigned int with size_t

Implementierung/Makefile

@@ -5,7 +5,8 @@ OBJ = ${subst src,build,${SRC:.c=.o}}
 CC = gcc
 CFLAGS = -Ilib -ggdb -std=c11 -g -Wall -Wextra -no-pie -O3 
 LDFLAGS = -pthread
-TESTFILES = t/1 t/2 t/5 t/10 t/20 t/50 t/100 t/1000 t/2000 t/5000 t/10000
+#TESTFILES = t/1 t/2 t/5 t/7 t/10 t/25 t/50 t/75 t/100 t/250 t/500 t/750 t/1000 t/1500 t/2000 t/2500 t/3000 t/3500 t/4000 t/4500 t/5000 t/5500 
+TESTFILES = t/6000 t/6500 t/7000 t/7500 t/8000 t/8500 t/9000 t/9500 t/10000
 TESTFILES_SIZES = ${subst t/,,${TESTFILES}}
 BLUE=\033[1;36m
 RED=\033[1;31m
@@ -49,7 +50,7 @@ benchmarks.csv: md2 ${TESTFILES}
 	done
 	@echo "" >> $@
 
-	@for i in 0 1 2 3 4; do \
+	@for i in 4; do \
 		echo ;\
 		echo -e "${BLUE}=== Testing implementation $$i ===${NC}";\
 		echo -n "Implementierung-$$i" >> $@; \

Implementierung/benchmarks.csv

@@ -1,6 +1,2 @@
-Implementierung;1;2;5;10;20;50;100
+Implementierung;1;2;5;7;10;25;50;75;100;250;500;750;1000;1500;2000;2500;3000;3500;4000;4500;5000;5500
-Implementierung-0;0.092604;0.172133;0.422083;0.845732;1.687540;4.232703;8.501036
+Implementierung-4;0.179950;0.308132;0.768091;1.077839;1.793499;3.786488;7.788925;11.049307;15.051300;37.564573;74.324851;112.160912;150.740498;225.111342;305.938520;381.063308;463.611798;533.670234;614.535749;63.418839;137.076754;292.555679
-Implementierung-1;0.084314;0.167799;0.431772;0.843568;1.708024;5.208127;10.147011
-Implementierung-2;0.097700;0.203661;0.567091;1.062895;2.141933;5.440520;10.342529
-Implementierung-3;0.099547;0.206932;0.546978;1.017148;2.077730;5.067994;9.962873
-Implementierung-4;0.117680;0.239349;0.616783;1.200482;2.356915;5.856234;11.647842

Implementierung/lib/md2_impls/md2_reference/md2_reference.h

@@ -8,6 +8,13 @@
  * Quelle: https://datatracker.ietf.org/doc/html/rfc1319
  **********************************************************/
 
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+
 #ifndef PROTOTYPES
 #define PROTOTYPES 0
 #endif
@@ -34,21 +41,14 @@ typedef unsigned long int UINT4;
 typedef struct {
   unsigned char state[16];    /* state */
   unsigned char checksum[16]; /* checksum */
-  unsigned int count;         /* number of bytes, modulo 16 */
+  size_t count;         /* number of bytes, modulo 16 */
   unsigned char buffer[16];   /* input buffer */
 } MD2_CTX;
 
 void MD2Init PROTO_LIST((MD2_CTX *));
-void MD2Update PROTO_LIST((MD2_CTX *, unsigned char *, unsigned int));
+void MD2Update PROTO_LIST((MD2_CTX *, unsigned char *, size_t));
 void MD2Final PROTO_LIST((unsigned char[16], MD2_CTX *));
 
-#include <stdbool.h>
-#include <stdint.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-
 void md2_hash_ref(size_t len, const uint8_t buf[len], uint8_t out[16]);
 
 #endif  // MD2_REF_H

Implementierung/src/md2_impls/md2_reference/md2_reference.c

@@ -30,8 +30,8 @@
 
 static void MD2Transform PROTO_LIST((unsigned char[16], unsigned char[16],
                                      unsigned char[16]));
-static void MD2_memcpy PROTO_LIST((POINTER, POINTER, unsigned int));
+static void MD2_memcpy PROTO_LIST((POINTER, POINTER, size_t));
-static void MD2_memset PROTO_LIST((POINTER, int, unsigned int));
+static void MD2_memset PROTO_LIST((POINTER, int, size_t));
 
 /* Permutation of 0..255 constructed from the digits of pi. It gives a
    "random" nonlinear byte substitution operation.
@@ -100,9 +100,9 @@ void MD2Init(context) MD2_CTX *context; /* context */
  */
 void MD2Update(context, input, inputLen) MD2_CTX *context; /* context */
 unsigned char *input;                                      /* input block */
-unsigned int inputLen; /* length of input block */
+size_t inputLen; /* length of input block */
 {
-  unsigned int i, index, partLen;
+  size_t i, index, partLen;
 
   /* Update number of bytes mod 16 */
   index = context->count;
@@ -136,7 +136,7 @@ void MD2Final(digest, context)
     unsigned char digest[16]; /* message digest */
 MD2_CTX *context;             /* context */
 {
-  unsigned int index, padLen;
+  size_t index, padLen;
 
   /* Pad out to multiple of 16.
    */
@@ -162,7 +162,7 @@ static void MD2Transform(state, checksum, block) unsigned char state[16];
 unsigned char checksum[16];
 unsigned char block[16];
 {
-  unsigned int i, j, t;
+  size_t i, j, t;
   unsigned char x[48];
 
   /* Form encryption block from state, block, state ^ block.
@@ -196,9 +196,9 @@ unsigned char block[16];
  */
 static void MD2_memcpy(output, input, len) POINTER output;
 POINTER input;
-unsigned int len;
+size_t len;
 {
-  unsigned int i;
+  size_t i;
 
   for (i = 0; i < len; i++) output[i] = input[i];
 }
@@ -207,9 +207,9 @@ unsigned int len;
  */
 static void MD2_memset(output, value, len) POINTER output;
 int value;
-unsigned int len;
+size_t len;
 {
-  unsigned int i;
+  size_t i;
 
   for (i = 0; i < len; i++) ((char *)output)[i] = (char)value;
 }