Rsa pkcs encrypt operation received firmware error: The key used does not support the requested operation

Question

Failed to create CMS signature using cloudHSM asymmetric key from my local machine connected over vpn. I'm trying to sign the CMS signature using a RSA key generated I am able to sign the CSR but when using the same key for CMS signing it throws the following exception

` [cloudhsm_provider::hsm1::session::rsa_pkcs::encrypt_decrypt::error] Rsa pkcs encrypt operation received firmware error: The key used does not support the requested operation.
iaik.tsp.TspSigningException: Can't sign TimeStampToken: java.security.NoSuchAlgorithmException: Error computing signature value: iaik.cms.CMSException: Unable to calculate signature: java.security.SignatureException: Cannot calculate RSA siganture: com.amazonaws.cloudhsm.jce.jni.exception.KeyUsageException: An attempt has been made to use a key for a cryptographic purpose that the key's attributes are not set to allow it to do.
	at iaik.tsp.TimeStampToken.signTimeStampToken(SourceFile:967)
	at iaik.tsp.TimeStampToken.signTimeStampToken(SourceFile:859)
	at iaik.tsp.TimeStampToken.signTimeStampToken(SourceFile:1024)`
I am using following key attributes while generating the key

`publicKeyAttrsMap.put(KeyAttribute.LABEL, label + ":Public");
        publicKeyAttrsMap.put(KeyAttribute.MODULUS_BITS, keySizeInBits);
        publicKeyAttrsMap.put(KeyAttribute.PUBLIC_EXPONENT, new BigInteger("65537").toByteArray());
        publicKeyAttrsMap.put(KeyAttribute.TOKEN, Boolean.TRUE);
        publicKeyAttrsMap.put(KeyAttribute.VERIFY, Boolean.TRUE);`

`privateKeyAttrsMap.put(KeyAttribute.LABEL, label + ":Private");
        privateKeyAttrsMap.put(KeyAttribute.TOKEN, Boolean.TRUE);
        privateKeyAttrsMap.put(KeyAttribute.SIGN, Boolean.TRUE);`

Any clue whey this exception occur. The same sample code when run on EC2 linux machine its works.

Answer

This issue resolve by overriding the JCE provider method for signature calculation
```
timeStampToken.getSignedData().setSecurityProvider(new SecurityProvider(authProvider1) {
            @Override
            public byte[] calculateSignatureFromSignedAttributes(AlgorithmID signatureAlgorithm,
                    AlgorithmID digestAlgorithm, PrivateKey privateKey, byte[] signedAttributes)
                    throws NoSuchAlgorithmException, InvalidKeyException, SignatureException {
                byte[] sigValue = null;
                try {
                    java.security.Signature signature = Signature.getInstance("SHA256withRSA", CloudHsmProvider.PROVIDER_NAME);
                    signature.initSign(privateKey);
                    signature.update(signedAttributes);
                    sigValue = signature.sign();
                } catch (NoSuchProviderException ex) {
                    throw new SignatureException(ex);
                }
}
```

Rsa pkcs encrypt operation received firmware error: The key used does not support the requested operation

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