Add tests for DigestAlgorithms and EncryptionAlgorithms in sign module

DEVSIX-5840

Author: ar3em

sign/src/test/java/com/itextpdf/signatures/DigestAlgorithmsManualTest.java

@@ -0,0 +1,77 @@
+/*
+    This file is part of the iText (R) project.
+    Copyright (c) 1998-2021 iText Group NV
+    Authors: iText Software.
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License version 3
+    as published by the Free Software Foundation with the addition of the
+    following permission added to Section 15 as permitted in Section 7(a):
+    FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
+    ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
+    OF THIRD PARTY RIGHTS
+
+    This program is distributed in the hope that it will be useful, but
+    WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+    or FITNESS FOR A PARTICULAR PURPOSE.
+    See the GNU Affero General Public License for more details.
+    You should have received a copy of the GNU Affero General Public License
+    along with this program; if not, see http://www.gnu.org/licenses or write to
+    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+    Boston, MA, 02110-1301 USA, or download the license from the following URL:
+    http://itextpdf.com/terms-of-use/
+
+    The interactive user interfaces in modified source and object code versions
+    of this program must display Appropriate Legal Notices, as required under
+    Section 5 of the GNU Affero General Public License.
+
+    In accordance with Section 7(b) of the GNU Affero General Public License,
+    a covered work must retain the producer line in every PDF that is created
+    or manipulated using iText.
+
+    You can be released from the requirements of the license by purchasing
+    a commercial license. Buying such a license is mandatory as soon as you
+    develop commercial activities involving the iText software without
+    disclosing the source code of your own applications.
+    These activities include: offering paid services to customers as an ASP,
+    serving PDFs on the fly in a web application, shipping iText with a closed
+    source product.
+
+    For more information, please contact iText Software Corp. at this
+    address: [email protected]
+ */
+package com.itextpdf.signatures;
+
+import com.itextpdf.test.ExtendedITextTest;
+import com.itextpdf.test.annotations.type.UnitTest;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.security.GeneralSecurityException;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+@Category(UnitTest.class)
+public class DigestAlgorithmsManualTest extends ExtendedITextTest {
+
+    @Test
+    public void digestSHA1SunPKCS11Test() throws GeneralSecurityException, IOException {
+        InputStream data = new ByteArrayInputStream(new byte[] {13, 16, 20, 0, 10});
+        byte[] hash = DigestAlgorithms.digest(data, DigestAlgorithms.SHA1, "SunPKCS11");
+        byte[] expected =
+                new byte[] {15, 20, 1, 9, -106, 49, -37, -65, -45, -63, 53, -70, 76, -71, 102, -68, 78, -51, -100, 50};
+        Assert.assertArrayEquals(expected, hash);
+    }
+
+    @Test
+    public void digestSHA256SUNTest() throws GeneralSecurityException, IOException {
+        InputStream data = new ByteArrayInputStream(new byte[] {13, 16, 20, 0, 10});
+        byte[] hash = DigestAlgorithms.digest(data, DigestAlgorithms.SHA256, "SUN");
+        byte[] expected =
+                new byte[] {19, -84, -84, -45, -36, 121, -15, -18, -89, 97, -17, 51, 81,
+                        119, -42, -59, -31, 121, -87, -82, -45, 119, 61, 92, 110, -99, 105, 4, 97, 12, 127, -62};
+        Assert.assertArrayEquals(expected, hash);
+    }
+}

sign/src/test/java/com/itextpdf/signatures/EncryptionAlgorithmsManualTest.java

@@ -0,0 +1,39 @@
+/*
+    This file is part of the iText (R) project.
+    Copyright (c) 1998-2021 iText Group NV
+    Authors: iText Software.
+
+    This program is offered under a commercial and under the AGPL license.
+    For commercial licensing, contact us at https://itextpdf.com/sales.  For AGPL licensing, see below.
+
+    AGPL licensing:
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.itextpdf.signatures;
+
+import com.itextpdf.test.ExtendedITextTest;
+import com.itextpdf.test.annotations.type.UnitTest;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+@Category(UnitTest.class)
+public class EncryptionAlgorithmsManualTest extends ExtendedITextTest {
+
+    @Test
+    public void getAlgorithmNullTest() {
+        Assert.assertNull(EncryptionAlgorithms.getAlgorithm(null));
+    }
+}

sign/src/test/java/com/itextpdf/signatures/EncryptionAlgorithmsTest.java

@@ -0,0 +1,59 @@
+/*
+    This file is part of the iText (R) project.
+    Copyright (c) 1998-2021 iText Group NV
+    Authors: iText Software.
+
+    This program is offered under a commercial and under the AGPL license.
+    For commercial licensing, contact us at https://itextpdf.com/sales.  For AGPL licensing, see below.
+
+    AGPL licensing:
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+package com.itextpdf.signatures;
+
+import com.itextpdf.test.ExtendedITextTest;
+import com.itextpdf.test.annotations.type.UnitTest;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.experimental.categories.Category;
+
+@Category(UnitTest.class)
+public class EncryptionAlgorithmsTest extends ExtendedITextTest {
+
+    @Test
+    public void getAlgorithmRSATest() {
+        Assert.assertEquals("RSA", EncryptionAlgorithms.getAlgorithm("1.2.840.113549.1.1.1"));
+    }
+
+    @Test
+    public void getAlgorithmECDSATest() {
+        Assert.assertEquals("ECDSA", EncryptionAlgorithms.getAlgorithm("1.2.840.10045.2.1"));
+    }
+
+    @Test
+    public void getAlgorithmEmptyTest() {
+        Assert.assertEquals("", EncryptionAlgorithms.getAlgorithm(""));
+    }
+
+    @Test
+    public void getAlgorithmEmptySpaceTest() {
+        Assert.assertEquals(" ", EncryptionAlgorithms.getAlgorithm(" "));
+    }
+
+    @Test
+    public void getAlgorithmUndefinedTest() {
+        Assert.assertEquals("undefined", EncryptionAlgorithms.getAlgorithm("undefined"));
+    }
+}