Removed checked exception from LoginCredential constructor

src/main/java/envoy/data/GroupMessage.java

@@ -27,11 +27,12 @@ public final class GroupMessage extends Message {
 	 *
 	 * @param id             unique ID
 	 * @param senderID       the ID of the user who sends the message
-	 * @param recipientID    the ID of the user who receives the message
+	 * @param groupID        the ID of the group which receives the message
 	 * @param creationDate   the creation date of the message
 	 * @param text           the text content of the message
 	 * @param attachment     the attachment of the message, if present
-	 * @param status         the current {@link MessageStatus} of the message
+	 * @param status         the current {@link Message.MessageStatus} of the
+	 *                       message
 	 * @param forwarded      whether this message was forwarded
 	 * @param memberStatuses a map of all members and their status according to this
 	 *                       {@link GroupMessage}

src/main/java/envoy/data/LoginCredentials.java

@@ -30,16 +30,22 @@ public class LoginCredentials implements Serializable {
 	 * @param password     the password of the user (will be converted to a hash)
 	 * @param registration signifies that these credentials are used for user
 	 *                     registration instead of user login
-	 * @throws NoSuchAlgorithmException if the algorithm used is unknown
 	 * @since Envoy Common v0.2-alpha
 	 */
-	public LoginCredentials(String identifier, char[] password, boolean registration) throws NoSuchAlgorithmException {
+	public LoginCredentials(String identifier, char[] password, boolean registration) {
 		this.identifier		= identifier;
 		passwordHash		= getSha256(toByteArray(password));
 		this.registration	= registration;
 	}
 
-	private byte[] getSha256(byte[] input) throws NoSuchAlgorithmException { return MessageDigest.getInstance("SHA-256").digest(input); }
+	private byte[] getSha256(byte[] input) {
+		try {
+			return MessageDigest.getInstance("SHA-256").digest(input);
+		} catch (NoSuchAlgorithmException e) {
+			// This will never happen
+			throw new RuntimeException(e);
+		}
+	}
 
 	private byte[] toByteArray(char[] chars) {
 		byte[] bytes = new byte[chars.length * 2];