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8311170: Simplify and modernize equals and hashCode in security area

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Reviewed-by: djelinski, rriggs, valeriep
This commit is contained in:
Pavel Rappo 2023-08-09 12:34:40 +00:00
parent e9f751ab16
commit 19ae62ae2c
96 changed files with 567 additions and 951 deletions
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17
src/java.base/share/classes/com/sun/crypto/provider/DESKey.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2021, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2023, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -29,6 +29,7 @@ import java.lang.ref.Reference;
import java.security.MessageDigest;
import java.security.KeyRep;
import java.security.InvalidKeyException;
import java.util.Arrays;
import javax.crypto.SecretKey;
import javax.crypto.spec.DESKeySpec;
@ -108,26 +109,24 @@ final class DESKey implements SecretKey {
* Calculates a hash code value for the object.
* Objects that are equal will also have the same hashcode.
*/
@Override
public int hashCode() {
int retval = 0;
for (int i = 1; i < this.key.length; i++) {
retval += this.key[i] * i;
}
return(retval ^= "des".hashCode());
return Arrays.hashCode(this.key) ^ "des".hashCode();
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (!(obj instanceof SecretKey))
if (!(obj instanceof SecretKey that))
return false;
String thatAlg = ((SecretKey)obj).getAlgorithm();
String thatAlg = that.getAlgorithm();
if (!(thatAlg.equalsIgnoreCase("DES")))
return false;
byte[] thatKey = ((SecretKey)obj).getEncoded();
byte[] thatKey = that.getEncoded();
boolean ret = MessageDigest.isEqual(this.key, thatKey);
java.util.Arrays.fill(thatKey, (byte)0x00);
return ret;