fix 6password code and out.txt

crack.c

@@ -17,7 +17,7 @@
 #include <sys/resource.h>
 #include <sys/time.h>
 #include <sys/stat.h>
-int check_guess(BYTE secrets[], BYTE hash[]);
+int check_guess(BYTE secrets[], BYTE hash[], int size);
 int get_password(char *line, FILE *fp);
 
 
@@ -36,15 +36,18 @@ get_password(char *line, FILE *fp) {
 
 
 
-int check_guess(BYTE secrets[], BYTE hash[]) {
+int check_guess(BYTE secrets[], BYTE hash[], int size) {
 	//for(int i=0; i<32;i++){
 	//	printf("%02x",hash[i]);
 	//}
 	//printf("\n");
 	int compare_size = 32;
 	int flag;
+	
+	int turn = (size /32) + 1;
+	//printf("size is %d, turn is %d\n",size, turn);
 	//flag = true;
-	for(int i = 1 ; i < 11 ; i++) {
+	for(int i = 1 ; i < turn ; i++) {
 		flag = -1;
 		for(int k = (i - 1) *compare_size; k < i *compare_size; k++) {
 			if (secrets[k] != hash[k-((i - 1) *compare_size)]) {
@@ -56,7 +59,11 @@ int check_guess(BYTE secrets[], BYTE hash[]) {
 			
 		}
 		if(flag == 1){
+			//int num;
+			//num = flag * i;
+			//printf("this is true for %d\n", i);
 			//printf("true!!!!\n");
+			//printf("return value should be %d\n",num);
 			return flag * i;
 		}
 	}
@@ -71,12 +78,22 @@ int main( int argc, char **argv )
 	/* check we have 0 argument, test for guessing password*/
 	if( argc < 2 )
 	{	
+		
 		FILE *fp;
 		FILE *fp1;
+		int pwd4_size;
 		fp1 = fopen("out.txt", "w");
 		BYTE secrets[320];
 		fp = fopen("pwd4sha256", "rb");
 		fread(secrets, 320, 1, fp);
+		/*Move file point at the end of file.*/
+    	fseek(fp, 0, SEEK_END);
+     
+    	/*Get the current position of the file pointer.*/
+    	pwd4_size=ftell(fp);
+		
+		fseek(fp, 0, SEEK_SET); 
+		printf("size is  %d\n", pwd4_size);
 		for(int i = 0; i < 320; i++){
 			
 			printf("%02x", secrets[i]);
@@ -100,8 +117,8 @@ int main( int argc, char **argv )
 						sha256_init(&ctx);
 						sha256_update(&ctx, (BYTE*)guess, strlen(guess));
 						sha256_final(&ctx, data);
-						if (check_guess(secrets, data) > 0) {
-							secret_num = check_guess(secrets, data);
+						if (check_guess(secrets, data, pwd4_size) > 0) {
+							secret_num = check_guess(secrets, data, pwd4_size);
 							printf("%s %d\n",guess, secret_num);
 							fprintf(fp1, "%s %d\n", guess, secret_num);							
 						}
@@ -111,7 +128,62 @@ int main( int argc, char **argv )
 				}
 			}
 		}
+		
 		guess[5] = '\0';
+		
+		FILE *fp3;
+		BYTE long_secrets[640];
+		fp3 = fopen("pwd6sha256", "rb");
+		fread(long_secrets, 640, 1, fp3);
+		int pwd6_size;
+		/*Move file point at the end of file.*/
+    	fseek(fp3, 0, SEEK_END);
+     
+    	/*Get the current position of the file pointer.*/
+    	pwd6_size=ftell(fp3);
+    	
+    	fseek(fp3, 0, SEEK_SET);
+    	printf("size is  %d\n", pwd6_size);
+		for(int i = 0; i < 640; i++){
+			
+			printf("%02x", long_secrets[i]);
+			if(((i+1) %32) == 0) {
+				printf("\n");
+			}
+		}
+		printf("\n");
+		
+		char long_guess[7];
+		int long_secret_num;
+		SHA256_CTX long_ctx;
+		BYTE long_data[SHA256_BLOCK_SIZE];
+		for(int i = 48; i < 58; i++) {
+			for(int j = 48; j < 58; j++) {
+				for(int l = 48; l < 58; l++) {
+					for(int k = 48; k < 58; k++) {
+						for(int n = 48; n < 58; n++) {
+							for(int m = 48; m < 58; m++) {
+								sprintf(long_guess, "%c%c%c%c%c%c", i, j, l, k, n, m);
+								//printf("%s\n",guess);	
+												
+								sha256_init(&long_ctx);
+								sha256_update(&long_ctx, (BYTE*)long_guess, strlen(long_guess));
+								sha256_final(&long_ctx, long_data);
+								if (check_guess(long_secrets, long_data, pwd6_size) > 0) {
+									long_secret_num = check_guess(long_secrets, long_data, pwd6_size);
+									long_secret_num = long_secret_num + 10;
+									//printf("long secret num should be %d\n", long_secret_num);
+									printf("%s %d\n",long_guess, long_secret_num);
+									fprintf(fp1, "%s %d\n", long_guess, long_secret_num);							
+								}
+							}
+						}
+					}	
+				}
+			}
+		}
+		long_guess[7] = '\0';
+		
 		return 0;
 	}
 
@@ -125,11 +197,12 @@ int main( int argc, char **argv )
 	{	
 		FILE *fp1;
 		fp1 = fopen(argv[2], "rb");
-		BYTE secrets[320];
-		fread(secrets, 320, 1, fp1);
 		int fp1_size;
 		fseek(fp1, 0, SEEK_END);
     	fp1_size=ftell(fp1);
+    	fseek(fp1, 0, SEEK_SET);
+		BYTE secrets[fp1_size];
+		fread(secrets, fp1_size, 1, fp1);
 		for(int i = 0; i < fp1_size; i++){
 			
 			printf("%02x", secrets[i]);
@@ -148,8 +221,8 @@ int main( int argc, char **argv )
 			sha256_init(&ctx);
 			sha256_update(&ctx, (BYTE*)line, strlen(line));
 			sha256_final(&ctx, data);
-			if (check_guess(secrets, data) > 0) {
-				secret_num = check_guess(secrets, data);
+			if (check_guess(secrets, data, fp1_size) > 0) {
+				secret_num = check_guess(secrets, data, fp1_size);
 				printf("%s %d\n", line, secret_num);							
 			}
 		}

out.txt

@@ -8,3 +8,8 @@ oca{ 10
 reng 2
 tuyy 9
 weij 7
+090909 25
+360258 11
+369258 13
+379258 12
+469258 29