On Wed, 8 Jan 2025 18:43:30 GMT, Weijun Wang <[email protected]> wrote:
> A non-extractable PRK in HKDF Expand-Only is an invalid input, not an
> internal error.
src/java.base/share/classes/com/sun/crypto/provider/HKDFKeyDerivation.java line
183:
> 181: // set this value in the "if"
> 182: if ((pseudoRandomKey = anExpand.prk().getEncoded()) == null)
> {
> 183: throw new InvalidAlgorithmParameterException(
My only question here is whether the `Expand` could be created without a PRK
for any other reason besides it being non-extractable. If we think so (even if
it's just user-error), then perhaps the wording of the message for the IAPE
should be revised from the currently proposed text.
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PR Review Comment: https://git.openjdk.org/jdk/pull/22976#discussion_r1907691518
