On Fri, 16 Aug 2024 18:16:07 GMT, Valerie Peng <valer...@openjdk.org> wrote:

>> Kevin Driver has updated the pull request incrementally with one additional 
>> commit since the last revision:
>> 
>>   addressed several review comments, namely: - renaming the getParameters 
>> method - renaming the AlgorithmParameterSpec object - address some javadoc 
>> exception messages - add some information to KDF class private constructor 
>> javadocs - other general cleanup
>
> src/java.base/share/classes/com/sun/crypto/provider/HkdfKeyDerivation.java 
> line 202:
> 
>> 200:             salts = anExtractThenExpand.salts();
>> 201:             // we should be able to combine these Lists of keys into 
>> single
>> 202:             // SecretKey Objects,
> 
> "Single SecretKey objects" => "a byte[]"
> "List of keys" is really "a list of key segments" which are combined into one 
> key. Same goes for salts. The API is designed with the protocol usage in 
> mind, but the naming we have here does not directly line up with RFC5869 
> which only mentions singular "IKM" and "SALT".

Addressed in 
https://github.com/openjdk/jdk/pull/20301/commits/48395b86ba8e1cda663ae326e06ae2556f4b905a.
 Please indicate if this is resolved.

> src/java.base/share/classes/com/sun/crypto/provider/HkdfKeyDerivation.java 
> line 328:
> 
>> 326:      *
>> 327:      * @throws InvalidKeyException
>> 328:      *     if an invalid key was provided through the {@code 
>> HkdfParameterSpec}
> 
> Clarify "key" with "{@code prk}" and get rid of the trailing description.

Addressed in 
https://github.com/openjdk/jdk/pull/20301/commits/48395b86ba8e1cda663ae326e06ae2556f4b905a.
 Please indicate if this is resolved.

> src/java.base/share/classes/javax/crypto/KDF.java line 124:
> 
>> 122: 
>> 123:     int DERIVE_KEY = 0;
>> 124:     int DERIVE_DATA = 1;
> 
> These two variables are a waste of space... `chooseProvider()` impl can just 
> use a local boolean variable to remember whether the derivation is for key or 
> for data.

Addressed in 
https://github.com/openjdk/jdk/pull/20301/commits/48395b86ba8e1cda663ae326e06ae2556f4b905a.
 Please indicate if this is resolved.

> test/jdk/com/sun/crypto/provider/KDF/TestHKDF.java line 79:
> 
>> 77: 
>> 78:     public static final List<TestData> testList = new 
>> LinkedList<TestData>() {{
>> 79:         add(new TestData("RFC 5689 Test Case 1", "HKDFWithHmacSHA256",
> 
> typo: "5689" should be "5869". Sames goes to other test datum.

Addressed in 
https://github.com/openjdk/jdk/pull/20301/commits/48395b86ba8e1cda663ae326e06ae2556f4b905a.
 Please indicate if this is resolved.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/20301#discussion_r1722376679
PR Review Comment: https://git.openjdk.org/jdk/pull/20301#discussion_r1722376314
PR Review Comment: https://git.openjdk.org/jdk/pull/20301#discussion_r1722376862
PR Review Comment: https://git.openjdk.org/jdk/pull/20301#discussion_r1722376789

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