CipherStream/CipherStreamJava
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Finished Trifid cipher

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Mattrixwv
2022-03-03 18:54:59 -05:00
parent c41e7c9fdd
commit 2b06ff41f6
2 changed files with 542 additions and 8 deletions
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71
src/main/java/com/mattrixwv/CipherStreamJava/polySubstitution/Trifid.java
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@@ -201,7 +201,7 @@ public class Trifid{
locations.add(location);
}
//Take the rows and split the numbers up by group
//Split the locations up by group
int numGroups = inputString.length() / groupSize;
if(numGroups == 0){
numGroups = 1;
@@ -212,15 +212,17 @@ public class Trifid{
}
int groupCnt = -1;
for(int locCnt = 0;locCnt < locations.size();++locCnt){
//If you've reached the end of the group move to the next one
if((locCnt % groupSize) == 0){
++groupCnt;
}
groups.get(groupCnt).add(locations.get(locCnt));
}
//Creation locations from the groups
//Split the coordinates into rows
ArrayList<Integer> coordinates = new ArrayList<Integer>(locations.size() * 3);
for(ArrayList<CharLocation> group : groups){
//Split the coordinates up into 3 rows
ArrayList<Integer> layers = new ArrayList<Integer>(group.size());
ArrayList<Integer> rows = new ArrayList<Integer>(group.size());
ArrayList<Integer> cols = new ArrayList<Integer>(group.size());
@@ -233,6 +235,7 @@ public class Trifid{
coordinates.addAll(rows);
coordinates.addAll(cols);
}
//Create new locations from the rows of coordinates
ArrayList<CharLocation> newLocations = new ArrayList<CharLocation>(locations.size());
for(int cnt = 0;cnt < coordinates.size();){
int z = coordinates.get(cnt++);
@@ -252,7 +255,69 @@ public class Trifid{
}
//Decodes inputString using a polybius square and stores the result in outputString
private void decode() throws InvalidCharacterException{
//TODO:
//Step through every element in the sanitized inputString encoding the letters
ArrayList<CharLocation> locations = new ArrayList<CharLocation>();
for(char ch : getCleanInputString().toCharArray()){
//Get the location of the char in the grid
CharLocation location = findChar(ch);
locations.add(location);
}
//Split the locations up by group
int numGroups = inputString.length() / groupSize;
if(numGroups == 0){
numGroups = 1;
}
ArrayList<ArrayList<CharLocation>> groups = new ArrayList<ArrayList<CharLocation>>(numGroups);
for(int cnt = 0;cnt < numGroups;++cnt){
groups.add(new ArrayList<CharLocation>());
}
int groupCnt = -1;
for(int locCnt = 0;locCnt < locations.size();++locCnt){
//If you've reached the end of the group move to the next one
if((locCnt % groupSize) == 0){
++groupCnt;
}
groups.get(groupCnt).add(locations.get(locCnt));
}
//Split the coordinates into rows by group and create the original grid locations
ArrayList<CharLocation> originalLocations = new ArrayList<CharLocation>(locations.size());
for(ArrayList<CharLocation> group : groups){
//Read all of the coordinates from the group out into a row
ArrayList<Integer> coordinates = new ArrayList<Integer>(group.size() * 3);
for(CharLocation loc : group){
coordinates.add(loc.getZ());
coordinates.add(loc.getX());
coordinates.add(loc.getY());
}
//Read out the coordinates into new locations
ArrayList<CharLocation> originalGroup = new ArrayList<CharLocation>(group.size());
for(int cnt = 0;cnt < group.size();++cnt){
originalGroup.add(new CharLocation(0, 0, 0));
}
int coordinateCnt = 0;
for(CharLocation loc : originalGroup){
loc.z = coordinates.get(coordinateCnt++);
}
for(CharLocation loc : originalGroup){
loc.x = coordinates.get(coordinateCnt++);
}
for(CharLocation loc : originalGroup){
loc.y = coordinates.get(coordinateCnt++);
}
originalLocations.addAll(originalGroup);
}
//Get the original letters from the grid
StringBuilder output = new StringBuilder();
for(CharLocation loc : originalLocations){
output.append(getChar(loc));
}
//Format the output
formatOutput(output.toString());
}