CipherStream/CipherStreamJava
1
0
Fork 0
Code Issues 2 Packages Projects Releases 1 Wiki Activity

Affine.java edited online with Bitbucket

Browse Source
This commit is contained in:
Matthew Ellison
2022-01-27 16:05:43 +00:00
parent 9f3e7ff7a3
commit 40ce4b6736
1 changed files with 3 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
src/main/java/com/mattrixwv/CipherStreamJava/monoSubstitution/Affine.java
View File

@@ -8,6 +8,8 @@ package com.mattrixwv.CipherStreamJava.monoSubstitution;
import com.mattrixwv.CipherStreamJava.exceptions.InvalidInputException; import com.mattrixwv.CipherStreamJava.exceptions.InvalidInputException;
import com.mattrixwv.CipherStreamJava.exceptions.InvalidKeywordException; import com.mattrixwv.CipherStreamJava.exceptions.InvalidKeywordException;
import mattrixwv.NumberAlgorithms;
public class Affine{ public class Affine{
private boolean preserveCapitals; private boolean preserveCapitals;
@@ -26,7 +28,7 @@ public class Affine{
} }
//Make sure the key is relatively prime to 26 (The number of letters) //Make sure the key is relatively prime to 26 (The number of letters)
if(gcd(key1, 26) != 1){ if(NumberAlgorithms.gcd(key1, 26) != 1){
throw new InvalidKeywordException("Key 1 must be relatively prime to 26"); throw new InvalidKeywordException("Key 1 must be relatively prime to 26");
} }
@@ -186,17 +188,4 @@ public class Affine{
public int getKey2(){ public int getKey2(){
return key2; return key2;
} }
//TODO: Change to my library's version
//This function returns the GCD of the two numbers sent to it
public static int gcd(int num1, int num2){
while((num1 != 0) && (num2 != 0)){
if(num1 > num2){
num1 %= num2;
}
else{
num2 %= num1;
}
}
return num1 | num2;
}
} }