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Fix JEP 527 test to treat SecP256r1MLKEM768 and SecP384r1MLKEM1024 as optional #81

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Merged
Arunkumar-Kallyodan merged 1 commit into from
Aug 13, 2026
+12 −5
Merged

Fix JEP 527 test to treat SecP256r1MLKEM768 and SecP384r1MLKEM1024 as optional #81

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17 changes: 12 additions & 5 deletions ...nliberty.java.internal_fat_27/src/main/java/io/openliberty/java/internal/TestService.java
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,9 @@ private void doTest() throws Exception {

// JEP 527: Post-Quantum Hybrid Key Exchange for TLS 1.3
// https://openjdk.org/jeps/527
// X25519MLKEM768 is the primary hybrid group mandated by JEP 527 and must always
// be present. SecP256r1MLKEM768 and SecP384r1MLKEM1024 are optional; their
// availability is JDK-vendor/build-dependent (e.g. absent on Oracle JDK 27 EA).

private void testPostQuantumTLS() throws Exception {
log("Beginning JEP 527 testing: Post-Quantum Hybrid Key Exchange for TLS 1.3");
Expand All @@ -69,13 +72,17 @@ private void testPostQuantumTLS() throws Exception {
}
log("Default TLS named groups (" + namedGroups.length + "): " + java.util.Arrays.toString(namedGroups));

// All three hybrid groups must be present; ordering is vendor-dependent
java.util.Set<String> groups = new java.util.HashSet<>(java.util.Arrays.asList(namedGroups));
for (String hybrid : new String[]{"X25519MLKEM768", "SecP256r1MLKEM768", "SecP384r1MLKEM1024"}) {
if (!groups.contains(hybrid)) {
throw new Exception("JEP 527 FAILED: hybrid group missing from supported set: " + hybrid);
if (!groups.contains("X25519MLKEM768")) {
throw new Exception("JEP 527 FAILED: X25519MLKEM768 missing from default SSLParameters named groups");
}
log("Hybrid group present: X25519MLKEM768");
for (String hybrid : new String[]{"SecP256r1MLKEM768", "SecP384r1MLKEM1024"}) {
if (groups.contains(hybrid)) {
log("Hybrid group present: " + hybrid);
} else {
log("Hybrid group optional (not present on this JDK build): " + hybrid);
}
log("Hybrid group present: " + hybrid);
}

log("Leaving JEP 527 testing");
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