From: Stephan Richter <github@keawe.de>
Date: Mon, 11 Sep 2017 08:12:25 +0000 (+0200)
Subject: Programm besser strukturiert. Dabei ist aufgefallen, dass die Bedingungen für ein... 
X-Git-Url: https://fpunktk.de/gitweb/?p=shamirs_secret_web_implementation.git;a=commitdiff_plain;h=ebb57b58553b9ca3d0a63df89ebc2383044d688c

Programm besser strukturiert. Dabei ist aufgefallen, dass die Bedingungen für ein 1-bit noch nicht hinhauen
---

diff --git a/src/ScharedSecret.java b/src/ScharedSecret.java
index f38cbe3..0dd5fc7 100644
--- a/src/ScharedSecret.java
+++ b/src/ScharedSecret.java
@@ -1,3 +1,4 @@
+import java.io.IOException;
 import java.sql.Time;
 import java.util.Random;
 
@@ -100,35 +101,46 @@ public class ScharedSecret {
 		return result;
 	}
 	
+	private static String secret(String[] args){
+		if (args != null && args.length > 0) return args[0];		
+		
+		try {
+			String secret = "";
+			System.out.println("Please enter your secret:");
+			int c;
+			while ((c = System.in.read()) != 10){
+				secret+=(char)c;
+			}
+			return secret;
+		} catch (IOException e) {
+			e.printStackTrace();
+			System.exit(1);			
+		}
+		return null;
+	}
+	
 	public static void main(String[] args) {
-		String secret="gnome-keyring";
-		String code1="";
-		String code2="";
-		String code3="";
-		String code4="";
-		String code5="";
+		String secret = secret(args);
+		String [] codes = { "", "", "", "", "" };
 		System.out.print("  Binary: ");
 		for (int i=0; i<secret.length();i++){
-			String[] codes = encodeChar(secret.charAt(i));
-			code1+=codes[0]+" ";
-			code2+=codes[1]+" ";
-			code3+=codes[2]+" ";
-			code4+=codes[3]+" ";
-			code5+=codes[4]+" ";
+			String[] chars = encodeChar(secret.charAt(i));
+			for (int j = 0; j<5; j++) codes[j] += chars[j]+" ";
 		}
 		System.out.println();
-		System.out.println("\nSecret 1: "+code1);
-		System.out.println("\nSecret 2: "+code2);
-		System.out.println("\nSecret 3: "+code3);
-		System.out.println("\nSecret 4: "+code4);
-		System.out.println("\nSecret 5: "+code5);
+		
+		for (int j=0; j<5; j++) System.out.println("\nSecret "+j+": "+codes[j]);
 		System.out.print("\nChecksum: ");
-		for (int i=0; i<code1.length(); i++){
+		for (int i=0; i<codes[0].length(); i++){
 			
 			if (i%9==8) {
 				System.out.print(" ");
 			} else {
-				System.out.print((code1.charAt(i)+code2.charAt(i)+code3.charAt(i)+code4.charAt(i)+code5.charAt(i))>(240+22)?1:0);
+				System.out.print((codes[0].charAt(i)
+												 +codes[1].charAt(i)
+												 +codes[2].charAt(i)
+												 +codes[3].charAt(i)
+												 +codes[4].charAt(i))>(240+22)?1:0);
 			}
 		}
 	}