[Test] Ensure sufficient secrets length for FIPS tests (#120581) (#120619)

Resolves: #120576 Resolves: #120577 Resolves: #120578 Resolves: #120579

plugins/discovery-ec2/src/javaRestTest/java/org/elasticsearch/discovery/ec2/DiscoveryEc2EnvironmentVariableCredentialsIT.java

@@ -41,7 +41,7 @@ public class DiscoveryEc2EnvironmentVariableCredentialsIT extends DiscoveryEc2Cl
         .setting(Ec2ClientSettings.ENDPOINT_SETTING.getKey(), ec2ApiFixture::getAddress)
         .environment("AWS_REGION", REGION)
         .environment("AWS_ACCESS_KEY_ID", ACCESS_KEY)
-        .environment("AWS_SECRET_ACCESS_KEY", ESTestCase::randomIdentifier)
+        .environment("AWS_SECRET_ACCESS_KEY", ESTestCase::randomSecretKey)
         .build();
 
     private static List<String> getAvailableTransportEndpoints() {

plugins/discovery-ec2/src/javaRestTest/java/org/elasticsearch/discovery/ec2/DiscoveryEc2KeystoreCredentialsIT.java

@@ -41,7 +41,7 @@ public class DiscoveryEc2KeystoreCredentialsIT extends DiscoveryEc2ClusterFormat
         .setting(Ec2ClientSettings.ENDPOINT_SETTING.getKey(), ec2ApiFixture::getAddress)
         .environment("AWS_REGION", REGION)
         .keystore("discovery.ec2.access_key", ACCESS_KEY)
-        .keystore("discovery.ec2.secret_key", ESTestCase::randomIdentifier)
+        .keystore("discovery.ec2.secret_key", ESTestCase::randomSecretKey)
         .build();
 
     private static List<String> getAvailableTransportEndpoints() {

plugins/discovery-ec2/src/javaRestTest/java/org/elasticsearch/discovery/ec2/DiscoveryEc2KeystoreSessionCredentialsIT.java

@@ -42,7 +42,7 @@ public class DiscoveryEc2KeystoreSessionCredentialsIT extends DiscoveryEc2Cluste
         .setting(Ec2ClientSettings.ENDPOINT_SETTING.getKey(), ec2ApiFixture::getAddress)
         .environment("AWS_REGION", REGION)
         .keystore("discovery.ec2.access_key", ACCESS_KEY)
-        .keystore("discovery.ec2.secret_key", ESTestCase::randomIdentifier)
+        .keystore("discovery.ec2.secret_key", ESTestCase::randomSecretKey)
         .keystore("discovery.ec2.session_token", SESSION_TOKEN)
         .build();
 

plugins/discovery-ec2/src/javaRestTest/java/org/elasticsearch/discovery/ec2/DiscoveryEc2SystemPropertyCredentialsIT.java

@@ -41,7 +41,7 @@ public class DiscoveryEc2SystemPropertyCredentialsIT extends DiscoveryEc2Cluster
         .setting(Ec2ClientSettings.ENDPOINT_SETTING.getKey(), ec2ApiFixture::getAddress)
         .environment("AWS_REGION", REGION)
         .systemProperty("aws.accessKeyId", ACCESS_KEY)
-        .systemProperty("aws.secretKey", ESTestCase::randomIdentifier)
+        .systemProperty("aws.secretKey", ESTestCase::randomSecretKey)
         .build();
 
     private static List<String> getAvailableTransportEndpoints() {