src/java.base/share/classes/com/sun/crypto/provider/HmacCore.java

*** 172,182 ****
       *
       * @param input the input buffer.
       * @param offset the offset in <code>input</code> where the input starts.
       * @param len the number of bytes to process.
       */
!     protected void engineUpdate(byte input[], int offset, int len) {
          if (first == true) {
              // compute digest for 1st pass; start with inner pad
              md.update(k_ipad);
              first = false;
          }
--- 172,182 ----
       *
       * @param input the input buffer.
       * @param offset the offset in <code>input</code> where the input starts.
       * @param len the number of bytes to process.
       */
!     protected void engineUpdate(byte[] input, int offset, int len) {
          if (first == true) {
              // compute digest for 1st pass; start with inner pad
              md.update(k_ipad);
              first = false;
          }