[ELY-924] Coverity static analysis: Resource leak in LdapSecurityRealm (Elytron)

[ivassile]

Wildfly Elytron: https://issues.jboss.org/browse/ELY-924

[wildfly-ci]

Linux Build 1471 outcome was FAILURE using a merge of 19098cd
Summary: Tests failed: 1 (1 new), passed: 798, ignored: 22 Build time: 00:02:08

Failed tests

org.wildfly.security.credential.store.impl.KeyStoreCredentialStoreTest.shouldSupportKeyStoreFormat[format=PKCS12]: org.wildfly.security.credential.store.CredentialStoreException: ELY09516: Cannot acquire a credential from the credential store
	at org.wildfly.security.credential.store.impl.KeyStoreCredentialStore.retrieve(KeyStoreCredentialStore.java:401)
	at org.wildfly.security.credential.store.impl.KeyStoreCredentialStoreTest.shouldSupportKeyStoreFormat(KeyStoreCredentialStoreTest.java:127)
Caused by: java.security.UnrecoverableKeyException: Get Key failed: 1.2.840.113549.1.7.1 SecretKeyFactory not available
	at sun.security.pkcs12.PKCS12KeyStore.engineGetKey(PKCS12KeyStore.java:410)
	at sun.security.pkcs12.PKCS12KeyStore.engineGetEntry(PKCS12KeyStore.java:1282)
	at java.security.KeyStore.getEntry(KeyStore.java:1521)
	at org.wildfly.security.credential.store.impl.KeyStoreCredentialStore.retrieve(KeyStoreCredentialStore.java:399)
	... 37 more
Caused by: java.security.NoSuchAlgorithmException: 1.2.840.113549.1.7.1 SecretKeyFactory not available
	at javax.crypto.SecretKeyFactory.<init>(SecretKeyFactory.java:122)
	at javax.crypto.SecretKeyFactory.getInstance(SecretKeyFactory.java:160)
	at sun.security.pkcs12.PKCS12KeyStore.engineGetKey(PKCS12KeyStore.java:387)
	... 40 more

[wildfly-ci]

Windows Build 1467 outcome was FAILURE using a merge of 19098cd
Summary: Tests failed: 1 (1 new), passed: 798, ignored: 22 Build time: 00:03:45

Failed tests

org.wildfly.security.credential.store.impl.KeyStoreCredentialStoreTest.shouldSupportKeyStoreFormat[format=PKCS12]: org.wildfly.security.credential.store.CredentialStoreException: ELY09516: Cannot acquire a credential from the credential store
	at org.wildfly.security.credential.store.impl.KeyStoreCredentialStore.retrieve(KeyStoreCredentialStore.java:401)
	at org.wildfly.security.credential.store.impl.KeyStoreCredentialStoreTest.shouldSupportKeyStoreFormat(KeyStoreCredentialStoreTest.java:127)
Caused by: java.security.UnrecoverableKeyException: Get Key failed: 1.2.840.113549.1.7.1 SecretKeyFactory not available
	at sun.security.pkcs12.PKCS12KeyStore.engineGetKey(PKCS12KeyStore.java:410)
	at sun.security.pkcs12.PKCS12KeyStore.engineGetEntry(PKCS12KeyStore.java:1282)
	at java.security.KeyStore.getEntry(KeyStore.java:1521)
	at org.wildfly.security.credential.store.impl.KeyStoreCredentialStore.retrieve(KeyStoreCredentialStore.java:399)
	... 37 more
Caused by: java.security.NoSuchAlgorithmException: 1.2.840.113549.1.7.1 SecretKeyFactory not available
	at javax.crypto.SecretKeyFactory.<init>(SecretKeyFactory.java:122)
	at javax.crypto.SecretKeyFactory.getInstance(SecretKeyFactory.java:160)
	at sun.security.pkcs12.PKCS12KeyStore.engineGetKey(PKCS12KeyStore.java:387)
	... 40 more