8290669: Fix wording in sun.security.ec

Reviewed-by: mullan

Author: longxu0509

src/jdk.crypto.ec/share/classes/sun/security/ec/ECOperations.java

@@ -151,7 +151,7 @@ byte[] seedToScalar(byte[] seedBytes)
         // and throw IntermediateValueException in the (unlikely) event
         // that the result is 0.
 
-        // Get 64 extra bits and reduce in to the nonce
+        // Get 64 extra bits and reduce into the nonce
         int seedBits = orderField.getSize().bitLength() + 64;
         if (seedBytes.length * 8 < seedBits) {
             throw new ProviderException("Incorrect seed length: " +

src/jdk.crypto.ec/share/classes/sun/security/ec/XECOperations.java

@@ -145,7 +145,7 @@ private static byte maskHighOrder(byte[] arr, int bits) {
 
     /**
      * Prune an encoded scalar value by modifying it in place. The extra
-     * high-order bits are masked off, the highest valid bit it set, and the
+     * high-order bits are masked off, the highest valid bit is set, and the
      * number is rounded down to a multiple of the cofactor.
      *
      * @param k an encoded scalar value

src/jdk.crypto.ec/share/classes/sun/security/ec/ed/EdDSAKeyPairGenerator.java

@@ -25,7 +25,6 @@
 
 package sun.security.ec.ed;
 
-//import java.security.*;
 import java.security.InvalidAlgorithmParameterException;
 import java.security.InvalidKeyException;
 import java.security.InvalidParameterException;