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style: enable LocalVariableName in CheckStyle (#5191)

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* style: enable LocalVariableName in checkstyle

* Removed minor bug

* Resolved Method Name Bug

* Changed names according to suggestions
This commit is contained in:
S. Utkarsh
2024-05-28 23:59:28 +05:30
committed by GitHub
parent 81cb09b1f8
commit 25d711c5d8
45 changed files with 418 additions and 417 deletions
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28
src/main/java/com/thealgorithms/ciphers/DES.java
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@@ -81,16 +81,16 @@ public class DES {
}
String[] subKeys = new String[16];
String initialPermutedKey = permutedKey.toString();
String C0 = initialPermutedKey.substring(0, 28);
String D0 = initialPermutedKey.substring(28);
String c0 = initialPermutedKey.substring(0, 28);
String d0 = initialPermutedKey.substring(28);
// We will now operate on the left and right halves of the permutedKey
for (i = 0; i < 16; i++) {
String Cn = C0.substring(KEY_SHIFTS[i]) + C0.substring(0, KEY_SHIFTS[i]);
String Dn = D0.substring(KEY_SHIFTS[i]) + D0.substring(0, KEY_SHIFTS[i]);
subKeys[i] = Cn + Dn;
C0 = Cn; // Re-assign the values to create running permutation
D0 = Dn;
String cN = c0.substring(KEY_SHIFTS[i]) + c0.substring(0, KEY_SHIFTS[i]);
String dN = d0.substring(KEY_SHIFTS[i]) + d0.substring(0, KEY_SHIFTS[i]);
subKeys[i] = cN + dN;
c0 = cN; // Re-assign the values to create running permutation
d0 = dN;
}
// Let us shrink the keys to 48 bits (well, characters here) using pc2
@@ -169,18 +169,18 @@ public class DES {
for (i = 0; i < 64; i++) {
permutedMessage.append(message.charAt(IP[i] - 1));
}
String L0 = permutedMessage.substring(0, 32);
String R0 = permutedMessage.substring(32);
String e0 = permutedMessage.substring(0, 32);
String f0 = permutedMessage.substring(32);
// Iterate 16 times
for (i = 0; i < 16; i++) {
String Ln = R0; // Previous Right block
String Rn = xOR(L0, feistel(R0, keys[i]));
L0 = Ln;
R0 = Rn;
String eN = f0; // Previous Right block
String fN = xOR(e0, feistel(f0, keys[i]));
e0 = eN;
f0 = fN;
}
String combinedBlock = R0 + L0; // Reverse the 16th block
String combinedBlock = f0 + e0; // Reverse the 16th block
permutedMessage.setLength(0);
for (i = 0; i < 64; i++) {
permutedMessage.append(combinedBlock.charAt(IP_INVERSE[i] - 1));