Fixed support for COMPOSITE as algorithm name.

Author: dghgit

pkix/src/main/java/org/bouncycastle/operator/DefaultSignatureAlgorithmIdentifierFinder.java

@@ -83,8 +83,6 @@ private static RSASSAPSSparams createPSSParams(AlgorithmIdentifier hashAlgId, in
 
     static
     {
-        addAlgorithm("COMPOSITE", MiscObjectIdentifiers.id_alg_composite);
-
         addAlgorithm("MD2WITHRSAENCRYPTION", PKCSObjectIdentifiers.md2WithRSAEncryption);
         addAlgorithm("MD2WITHRSA", PKCSObjectIdentifiers.md2WithRSAEncryption);
         addAlgorithm("MD5WITHRSAENCRYPTION", PKCSObjectIdentifiers.md5WithRSAEncryption);

pkix/src/main/java/org/bouncycastle/operator/jcajce/JcaContentSignerBuilder.java

@@ -58,6 +58,7 @@ public class JcaContentSignerBuilder
 
     static
     {
+        isAlgIdFromPrivate.add("COMPOSITE");
         isAlgIdFromPrivate.add("DILITHIUM");
         isAlgIdFromPrivate.add("SPHINCS+");
         isAlgIdFromPrivate.add("SPHINCSPlus");

pkix/src/test/java/org/bouncycastle/cert/test/CertTest.java

@@ -2908,7 +2908,7 @@ public void checkCRLCompositeCreation()
         CompositePublicKey compPub = new CompositePublicKey(IANAObjectIdentifiers.id_MLDSA65_ECDSA_P256_SHA512, mlDsaKp.getPublic(), ecPub);
         CompositePrivateKey compPrivKey = new CompositePrivateKey(IANAObjectIdentifiers.id_MLDSA65_ECDSA_P256_SHA512, mlDsaKp.getPrivate(), ecPriv);
 
-        ContentSigner sigGen = new JcaContentSignerBuilder("MLDSA65-ECDSA-P256-SHA512").setProvider(BC).build(compPrivKey);
+        ContentSigner sigGen = new JcaContentSignerBuilder("COMPOSITE").setProvider(BC).build(compPrivKey);
 
         Date now = new Date();