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Update cassandra-stress default cipher suites to support tls 1.3 #4499

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Update cassandra-stress default cipher suites to support tls 1.3 #4499

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1d46204
Fix cassandra-stress default ciphers for TLS 1.3 compatibility in Set…
omniCoder77 Nov 27, 2025
2c4a0df
Reorder cipher suites for better performance, putting 128 bit ciper b…
omniCoder77 Nov 30, 2025
b75c335
Merge branch 'apache:trunk' into fix-cassandra-stress-tls
omniCoder77 Nov 30, 2025
acb5d56
Allow cipher auto-negotiation instead of forcing defaults
omniCoder77 Dec 1, 2025
8cd2beb
Add comment explaining auto-negotiation default
omniCoder77 Dec 1, 2025
d4704b6
Update default cipher value to null for auto-negotiation
omniCoder77 Dec 1, 2025
88d3e31
Refactor cipher suites handling in SettingsTransport
omniCoder77 Dec 15, 2025
53a3f35
Update tools/stress/src/org/apache/cassandra/stress/settings/Settings…
omniCoder77 Dec 15, 2025
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9 changes: 6 additions & 3 deletions tools/stress/src/org/apache/cassandra/stress/settings/SettingsTransport.java
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Original file line number Diff line number Diff line change
Expand Up @@ -54,8 +54,10 @@ public EncryptionOptions.ClientEncryptionOptions getEncryptionOptions()
.withTrustStore(options.trustStore.value())
.withTrustStorePassword(options.trustStorePw.setByUser() ? options.trustStorePw.value() : credentials.transportTruststorePassword)
.withAlgorithm(options.alg.value())
.withProtocol(options.protocol.value())
.withCipherSuites(options.ciphers.value().split(","));
.withProtocol(options.protocol.value());

if (options.ciphers.value() != null)
encOptionsBuilder.withCipherSuites(options.ciphers.value().split(","));

if (options.keyStore.present())
{
Expand Down Expand Up @@ -88,8 +90,9 @@ static class TOptions extends GroupedOptions implements Serializable
TRANSPORT_KEYSTORE_PASSWORD_PROPERTY_KEY), false);
final OptionSimple protocol = new OptionSimple("ssl-protocol=", ".*", "TLS", "SSL: connection protocol to use", false);
final OptionSimple alg = new OptionSimple("ssl-alg=", ".*", null, "SSL: algorithm", false);
// Null is to auto-negotiate
final OptionSimple ciphers = new OptionSimple("ssl-ciphers=", ".*",
"TLS_RSA_WITH_AES_128_CBC_SHA,TLS_RSA_WITH_AES_256_CBC_SHA",
null,
"SSL: comma delimited list of encryption suites to use", false);

@Override
Expand Down