RSATest.java

package com.xiaoleilu.hutool.crypto.test;

import java.security.KeyPair;

import org.junit.Assert;
import org.junit.Test;

import com.xiaoleilu.hutool.crypto.SecureUtil;
import com.xiaoleilu.hutool.crypto.asymmetric.KeyType;
import com.xiaoleilu.hutool.crypto.asymmetric.RSA;
import com.xiaoleilu.hutool.util.CharsetUtil;
import com.xiaoleilu.hutool.util.HexUtil;
import com.xiaoleilu.hutool.util.StrUtil;

/**
 * RSA算法单元测试
 * @author Looly
 *
 */
public class RSATest {

	@Test
	public void generateKeyPairTest(){
		KeyPair pair = SecureUtil.generateKeyPair("RSA");
		Assert.assertNotNull(pair.getPrivate());
		Assert.assertNotNull(pair.getPublic());
	}
	
	@Test
	public void rsaTest(){
		RSA rsa = new RSA();
		
		//获取私钥和公钥
		Assert.assertNotNull(rsa.getPrivateKey());
		Assert.assertNotNull(rsa.getPrivateKeyBase64());
		Assert.assertNotNull(rsa.getPublicKey());
		Assert.assertNotNull(rsa.getPrivateKeyBase64());
		
		//公钥加密，私钥解密
		byte[] encrypt = rsa.encrypt(StrUtil.bytes("我是一段测试aaaa", CharsetUtil.CHARSET_UTF_8), KeyType.PublicKey);
		byte[] decrypt = rsa.decrypt(encrypt, KeyType.PrivateKey);
		Assert.assertEquals("我是一段测试aaaa", StrUtil.str(decrypt, CharsetUtil.CHARSET_UTF_8));
		
		//私钥加密，公钥解密
		byte[] encrypt2 = rsa.encrypt(StrUtil.bytes("我是一段测试aaaa", CharsetUtil.CHARSET_UTF_8), KeyType.PrivateKey);
		byte[] decrypt2 = rsa.decrypt(encrypt2, KeyType.PublicKey);
		Assert.assertEquals("我是一段测试aaaa", StrUtil.str(decrypt2, CharsetUtil.CHARSET_UTF_8));
	}
	
	@Test
	public void rsaDecodeTest(){
		String PRIVATE_KEY = "MIICdQIBADANBgkqhkiG9w0BAQEFAASCAl8wggJbAgEAAoGBAIL7pbQ+5KKGYRhw7jE31hmA"
				+ "f8Q60ybd+xZuRmuO5kOFBRqXGxKTQ9TfQI+aMW+0lw/kibKzaD/EKV91107xE384qOy6IcuBfaR5lv39OcoqNZ"
				+ "5l+Dah5ABGnVkBP9fKOFhPgghBknTRo0/rZFGI6Q1UHXb+4atP++LNFlDymJcPAgMBAAECgYBammGb1alndta"
				+ "xBmTtLLdveoBmp14p04D8mhkiC33iFKBcLUvvxGg2Vpuc+cbagyu/NZG+R/WDrlgEDUp6861M5BeFN0L9O4hz"
				+ "GAEn8xyTE96f8sh4VlRmBOvVdwZqRO+ilkOM96+KL88A9RKdp8V2tna7TM6oI3LHDyf/JBoXaQJBAMcVN7fKlYP"
				+ "Skzfh/yZzW2fmC0ZNg/qaW8Oa/wfDxlWjgnS0p/EKWZ8BxjR/d199L3i/KMaGdfpaWbYZLvYENqUCQQCobjsuCW"
				+ "nlZhcWajjzpsSuy8/bICVEpUax1fUZ58Mq69CQXfaZemD9Ar4omzuEAAs2/uee3kt3AvCBaeq05NyjAkBme8SwB0iK"
				+ "kLcaeGuJlq7CQIkjSrobIqUEf+CzVZPe+AorG+isS+Cw2w/2bHu+G0p5xSYvdH59P0+ZT0N+f9LFAkA6v3Ae56OrI"
				+ "wfMhrJksfeKbIaMjNLS9b8JynIaXg9iCiyOHmgkMl5gAbPoH/ULXqSKwzBw5mJ2GW1gBlyaSfV3AkA/RJC+adIjsRGg"
				+ "JOkiRjSmPpGv3FOhl9fsBPjupZBEIuoMWOC8GXK/73DHxwmfNmN7C9+sIi4RBcjEeQ5F5FHZ";
		
		RSA rsa = new RSA(PRIVATE_KEY, null);
		
		String a = "2707F9FD4288CEF302C972058712F24A5F3EC62C5A14AD2FC59DAB93503AA0FA17113A020EE4EA35EB53F"
				+ "75F36564BA1DABAA20F3B90FD39315C30E68FE8A1803B36C29029B23EB612C06ACF3A34BE815074F5EB5AA3A"
				+ "C0C8832EC42DA725B4E1C38EF4EA1B85904F8B10B2D62EA782B813229F9090E6F7394E42E6F44494BB8";
		
		byte[] aByte = HexUtil.decodeHex(a);
		byte[] decrypt = rsa.decrypt(aByte, KeyType.PrivateKey);
		Assert.assertEquals("虎头闯杭州,多抬头看天,切勿只管种地", StrUtil.str(decrypt, CharsetUtil.CHARSET_UTF_8));
	}
}