z-kovacs commented on code in PR #20542:
URL: https://github.com/apache/pulsar/pull/20542#discussion_r1230735213
##########
pulsar-client-messagecrypto-bc/src/main/java/org/apache/pulsar/client/impl/crypto/MessageCryptoBc.java:
##########
@@ -106,28 +80,64 @@ public class MessageCryptoBc implements
MessageCrypto<MessageMetadata, MessageMe
private static final SecureRandom secureRandom;
+
+ private static final String providerName;
+ private static BcVersionSpecificCryptoUtility
bcVersionSpecificCryptoUtilityDelegate;
+
static {
- SecureRandom rand = null;
- try {
- rand = SecureRandom.getInstance("NativePRNGNonBlocking");
- } catch (NoSuchAlgorithmException nsa) {
- rand = new SecureRandom();
- }
- secureRandom = rand;
+ providerName = SecurityUtility.getProvider().getName();
+
+ switch (providerName) {
+ case SecurityUtility.BC:
+ SecureRandom rand = null;
+ try {
+ rand = SecureRandom.getInstance("NativePRNGNonBlocking",
providerName);
+ } catch (NoSuchAlgorithmException | NoSuchProviderException
nsa) {
+ rand = new SecureRandom();
+ }
+ secureRandom = rand;
+ break;
+ case SecurityUtility.BC_FIPS:
+ try {
+ secureRandom = SecureRandom.getInstance("NONCEANDIV",
providerName);
+ } catch (NoSuchAlgorithmException | NoSuchProviderException
nsa) {
+ throw new RuntimeException(
+ "In BC FIPS mode, we expect the specific Random
generators to be available!");
+ }
+ break;
Review Comment:
`DEFAULT` secure random's default configuration is prediction resistant, so
better than `NONCEANDIV`- what is not prediction resistant (I have debugged it:
the prediction resistance property is reported by the objects.)
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