FEAT StringUtils.digestString

src/main/java/de/nclazz/commons/StringUtils.java

@@ -1,6 +1,9 @@
 package de.nclazz.commons;
 
 import lombok.NonNull;
+import lombok.SneakyThrows;
+
+import java.security.MessageDigest;
 
 public abstract class StringUtils {
 
@@ -94,4 +97,28 @@ public abstract class StringUtils {
         return sb.toString();
     }
 
+    /**
+     * Hashes given String with given hash algorithm
+     *
+     * @param input to hash
+     * @param md hash algorithm
+     * @return hash (hex-)String
+     */
+    @SneakyThrows
+    public static String digestString(@NonNull String input, MessageDigest md) {
+        md.update(input.getBytes());
+        String hash = toHex(md.digest());
+        return hash;
+    }
+
+    @SneakyThrows
+    public static String toSHA1(String input) {
+        return digestString(input, MessageDigest.getInstance("SHA-1"));
+    }
+
+    @SneakyThrows
+    public static String toMD(String input) {
+        return digestString(input, MessageDigest.getInstance("MD5"));
+    }
+
 }