1 files changed, 89 insertions, 0 deletions
diff --git a/certService/src/test/java/org/onap/oom/certservice/certification/conversion/StringBase64ToPrivateKeyConverterTest.java b/certService/src/test/java/org/onap/oom/certservice/certification/conversion/StringBase64ToPrivateKeyConverterTest.java
new file mode 100644
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--- /dev/null
+++ b/certService/src/test/java/org/onap/oom/certservice/certification/conversion/StringBase64ToPrivateKeyConverterTest.java
@@ -0,0 +1,89 @@
+/*-
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 Nokia.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.oom.certservice.certification.conversion;
+
+import org.bouncycastle.util.encoders.Base64;
+import org.junit.jupiter.api.Test;
+import org.onap.oom.certservice.certification.exception.KeyDecryptionException;
+
+import java.security.PrivateKey;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.onap.oom.certservice.certification.TestData.TEST_PEM;
+import static org.onap.oom.certservice.certification.TestData.TEST_PK;
+
+class StringBase64ToPrivateKeyConverterTest {
+
+    private static final String RSA = "RSA";
+    public static final String PKCS_8 = "PKCS#8";
+
+    @Test
+    void shouldUseProperAlgorithmWhenConverting() throws KeyDecryptionException {
+        // Given
+        StringBase64ToPrivateKeyConverter stringBase64ToPrivateKeyConverter = new StringBase64ToPrivateKeyConverter();
+        String encodedPK = new String(Base64.encode(TEST_PK.getBytes()));
+        // When
+        PrivateKey privateKey = stringBase64ToPrivateKeyConverter.convert(new StringBase64(encodedPK));
+        // Then
+        assertEquals(RSA, privateKey.getAlgorithm());
+    }
+
+    @Test
+    void shouldUsePkcs8FormatWhenConverting() throws KeyDecryptionException {
+        // Given
+        StringBase64ToPrivateKeyConverter stringBase64ToPrivateKeyConverter = new StringBase64ToPrivateKeyConverter();
+        String encodedPK = new String(Base64.encode(TEST_PK.getBytes()));
+        // When
+        PrivateKey privateKey = stringBase64ToPrivateKeyConverter.convert(new StringBase64(encodedPK));
+        // Then
+        assertEquals(PKCS_8, privateKey.getFormat());
+    }
+
+    @Test
+    void shouldCorrectlyConvertWhenPrivateKeyPemIsProper() throws KeyDecryptionException {
+        // Given
+        StringBase64ToPrivateKeyConverter stringBase64ToPrivateKeyConverter = new StringBase64ToPrivateKeyConverter();
+        String encodedPK = new String(Base64.encode(TEST_PK.getBytes()));
+        // When
+        PrivateKey privateKey = stringBase64ToPrivateKeyConverter.convert(new StringBase64(encodedPK));
+        // Then
+        assertNotNull(privateKey.getEncoded());
+    }
+
+    @Test
+    void shouldThrowExceptionWhenPrivateKeyPemIsNotProperPrivateKey() {
+        // Given
+        StringBase64ToPrivateKeyConverter stringBase64ToPrivateKeyConverter = new StringBase64ToPrivateKeyConverter();
+        StringBase64 privateKey = new StringBase64(TEST_PEM);
+        // When
+        Exception exception = assertThrows(
+                KeyDecryptionException.class, () -> stringBase64ToPrivateKeyConverter.convert(privateKey));
+
+        String expectedMessage = "Incorrect Key, decryption failed";
+        String actualMessage = exception.getMessage();
+        // Then
+        assertTrue(actualMessage.contains(expectedMessage));
+    }
+
+}