read desc for info

SHA256.java is the MessageDigest usage, it sucks, don't use it.

SHA256Advanced.java is my custom interpretation but i don't have the time right now to finish it so for now it will sadly be a placeholder.

src/de/caydenno1/xacrypto/hash/SHA256.java

@@ -0,0 +1,25 @@
+package de.caydenno1.xacrypto.hash;
+
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+public class SHA256 {
+    // THIS IS A TEMPORARY FILE AND EXTREMELY VOLATILE!! it will be removed when i create a more advanced sha256 (i just dont have the time rn so this will be here for now)
+    // this just uses MessageDigest and is extremely BAD! do not use this, do not use it, dont use itttt! lol //
+    // you have been warned. //
+
+    private SHA256(){};
+
+    public static String hash(String raw) throws NoSuchAlgorithmException {
+        MessageDigest dig = MessageDigest.getInstance("SHA-256");
+
+        byte[] res = dig.digest(raw.getBytes(StandardCharsets.UTF_8));
+        StringBuilder hex = new StringBuilder();
+        for (byte b :res) {
+            hex.append(String.format("%02x", b));
+        }
+
+        return hex.toString();
+    };
+}

src/de/caydenno1/xacrypto/hash/SHA256Advanced.java

@@ -0,0 +1,13 @@
+package de.caydenno1.xacrypto.hash;
+
+public final class SHA256Advanced {
+    private SHA256Advanced() {};
+
+    static void compress(int[] h, byte[] b, int offline){
+        int[] w = new int [64];
+
+        for (int i =0; i< 16;i++){
+            int base = offline + (i<<2);
+        }
+    }
+}

src/de/caydenno1/xacrypto/misc/Constants.java

@@ -21,5 +21,6 @@ public class Constants {
             0x6a09e667,0xbb67ae85,0x3c6ef372,0xa54ff53a,
             0x510e527f,0x9b05688c,0x1f83d9ab,0x5be0cd19
     };
-    // placeholder ,ignore
+
+    // (no longer a placeholder)
 }