add test

hutool-crypto/src/test/java/org/dromara/hutool/crypto/asymmetric/IssueIB1GVPTest.java

@@ -0,0 +1,28 @@
+package org.dromara.hutool.crypto.asymmetric;
+
+import org.dromara.hutool.core.text.StrUtil;
+import org.dromara.hutool.core.util.ByteUtil;
+import org.dromara.hutool.core.util.CharsetUtil;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+public class IssueIB1GVPTest {
+
+	/**
+	 * https://stackoverflow.com/questions/50298687/bouncy-castle-vs-java-default-rsa-with-oaep
+	 */
+	@Test
+	void rsaOaepTest() {
+		final RSA rsa = new RSA("RSA/NONE/OAEPWithSHA256AndMGF1Padding");
+		// 公钥加密，私钥解密
+		final byte[] encrypt = rsa.encrypt(ByteUtil.toBytes("我是一段测试aaaa", CharsetUtil.UTF_8), KeyType.PublicKey);
+		final byte[] decrypt = rsa.decrypt(encrypt, KeyType.PrivateKey);
+		assertEquals("我是一段测试aaaa", StrUtil.str(decrypt, CharsetUtil.UTF_8));
+
+		// 私钥加密，公钥解密
+		final byte[] encrypt2 = rsa.encrypt(ByteUtil.toBytes("我是一段测试aaaa", CharsetUtil.UTF_8), KeyType.PrivateKey);
+		final byte[] decrypt2 = rsa.decrypt(encrypt2, KeyType.PublicKey);
+		assertEquals("我是一段测试aaaa", StrUtil.str(decrypt2, CharsetUtil.UTF_8));
+	}
+}