src/java.base/share/classes/java/security/SignatureSpi.java

@@ -42,10 +42,11 @@
  * <p> All the abstract methods in this class must be implemented by each
  * cryptographic service provider who wishes to supply the implementation
  * of a particular signature algorithm.
  *
  * @author Benjamin Renaud
+ * @since 1.2
  *
  *
  * @see Signature
  */