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General performance improvement (#6078)

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This commit is contained in:
Strange Developer
2024-11-01 18:52:42 +01:00
committed by GitHub
parent 7b962a4a1d
commit df0c997e4b
29 changed files with 92 additions and 75 deletions
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20
src/main/java/com/thealgorithms/ciphers/Blowfish.java
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@@ -1078,7 +1078,7 @@ public class Blowfish {
* @return String object which is a binary representation of the hex number passed as parameter
*/
private String hexToBin(String hex) {
String binary = "";
StringBuilder binary = new StringBuilder();
long num;
String binary4B;
int n = hex.length();
@@ -1089,9 +1089,9 @@ public class Blowfish {
binary4B = "0000" + binary4B;
binary4B = binary4B.substring(binary4B.length() - 4);
binary += binary4B;
binary.append(binary4B);
}
return binary;
return binary.toString();
}
/**
@@ -1103,12 +1103,12 @@ public class Blowfish {
*/
private String binToHex(String binary) {
long num = Long.parseUnsignedLong(binary, 2);
String hex = Long.toHexString(num);
StringBuilder hex = new StringBuilder(Long.toHexString(num));
while (hex.length() < (binary.length() / 4)) {
hex = "0" + hex;
hex.insert(0, "0");
}
return hex;
return hex.toString();
}
/**
@@ -1121,12 +1121,12 @@ public class Blowfish {
private String xor(String a, String b) {
a = hexToBin(a);
b = hexToBin(b);
String ans = "";
StringBuilder ans = new StringBuilder();
for (int i = 0; i < a.length(); i++) {
ans += (char) (((a.charAt(i) - '0') ^ (b.charAt(i) - '0')) + '0');
ans.append((char) (((a.charAt(i) - '0') ^ (b.charAt(i) - '0')) + '0'));
}
ans = binToHex(ans);
return ans;
ans = new StringBuilder(binToHex(ans.toString()));
return ans.toString();
}
/**