RSA加解密源码及测试代码完整java工程

package com.missyou.pay.swiftutil; import java.security.KeyFactory; import java.security.PrivateKey; import java.security.PublicKey; import java.security.spec.PKCS8EncodedKeySpec; import java.security.spec.X509EncodedKeySpec; import java.util.ArrayList; import java.util.Arrays; import java.util.List; import java.util.Map; import java.util.SortedMap; import java.util.TreeMap; import org.json.JSONObject; import com.alibaba.fastjson.JSON; import com.yunpian.sdk.util.JsonUtil; public class RSASignature { /** * 签名算法 */ public static final String SIGN_ALGORITHMS = "SHA1WithRSA"; public static final String SIGN_256 = "SHA256withRSA"; public static final String MD5withRSA = "MD5withRSA"; public static final String key = "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"; static String keytwo = "MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBANPDVfxhRzFzgs9u\r\n" + "GEMPV0ZQdVfOR8lBq5iKVI3Ymrpmt08oCXWAZsZt31/+HKvCJqsqr4i5G0mpO9c+\r\n" + "bbS8G+B2qaAdwvcVWamVWjBe+YguGeTMCTIOPdwgEPa5APE8ULO1G8HyHOt0j8+A\r\n" + "hUuDKQLp79L8dX4IUlebNXBQoD75AgMBAAECgYAeN9mlUhxeqiUYhJVhvGav2ftk\r\n" + "tEL6LSzXb6XxN9+cidvOp9/xrIj999/QSuq8d9AczNKPqBqEwGmRpY7yI4W2l8Tm\r\n" + "m89WWYUiG0SLc0q6pq0Cm0HqkNYC5rgViUCutyMGfMZ0n5IMAaGHs0kWlmzMzyS7\r\n" + "xXTzjulZUHMVbDe4AQJBAOksAUkhih4j/Th6Z/pa2I/VseUPSlPr3gB6T+96rEn3\r\n" + "kl6Amgfh9jVb8gIwLbwab3AErpnXMXoqfF6dEZ9e/qECQQDofsKBsHoU5aR32M9n\r\n" + "vE5ZExweseq35UVihJPq3B1Qd2p8kzvlqvu3RuGFwa8zXVL8LPp/gV1P0/oQrTt0\r\n" + "PBlZAkEAk9RQZFsdRAqxKjOA5JrgHiDvjjfpeddagpcJQt1VifeqFrwV69V40U+f\r\n" + "2X9OH6nq6Owu/l4OglOZUirm11HUwQJBAM5z4ZzwbTgpRAb4jBR97sTCZ3IKY3ex\r\n" + "LA/z0rX3iEBwCitdQw8K6kMxugngmAdwk8RC3J5k7ct5XNF6QxVQWOECQAMIko9r\r\n" + "Pk2EYGExW1HH2QBnL6Z+zW59J2DF9n40vre5+B/4sv1tus2xio3ztaJvPXJuscWj\r\n" + "VYzc4eJwuzpEm4w="; static String publickey = "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDTw1X8YUcxc4LPbhhDD1dGUHVX\r\n" + "zkfJQauYilSN2Jq6ZrdPKAl1gGbGbd9f/hyrwiarKq+IuRtJqTvXPm20vBvgdqmg\r\n" + "HcL3FVmplVowXvmILhnkzAkyDj3cIBD2uQDxPFCztRvB8hzrdI/PgIVLgykC6e/S\r\n" + "/HV+CFJXmzVwUKA++QIDAQAB"; static String keytest="MIICdQIBADANBgkqhkiG9w0BAQEFAASCAl8wggJbAgEAAoGBAKZ0Crijm+gLyro3\r\n" + "Y86E17616X6JsJzfR/pb+lIBFObU5Eaoz95J0xOJOBEcNuJJ6TRD9prpFFAAUbi9\r\n" + "/f73fREfxws2VaYmFLD7WkmaGED6qtlMGWASI9DESw0qzd6E06asbCiD7lqfjFAz\r\n" + "TTrZyJednHtNKpzskOlpjginfw8rAgMBAAECgYBMlW1tYFFWJT7ECMIR/crpwvbI\r\n" + "Mn+g3ZZXWURFwJumTOMuo3LoWl0USvkR3kJeQRVb570prv2ahVsUPc4EJkhS/1b0\r\n" + "if8GN5biD7rQNZk3TXQ/sAritj2KbteRkoAkVVVGOOTTw4nsHxw97iCrDAZM3n8s\r\n" + "9aKnm1Vph2ueS1DNsQJBANteYmr91Hq90GHkuRffUHB1VVTq6mHi63PtcjJgTYXL\r\n" + "wGRuAJjMEu6kTCtWlltzcidZJdIhyHt0DJnlUp3aC2MCQQDCP56bT2Uk+9VLRF+t\r\n" + "0tkIpX1F3ukB7xjYXhPIdAdaDB9zoZM0NdXhwT/54cOahD3QJ7ZClmhYyeP+wq88\r\n" + "2wuZAkBogSVXnQa9VnHQQPsgcUVL3cnCA4uXCFhsyMBvWUt1IuTLs0/betTGFUUo\r\n" + "HD7S4EOQlTqcSXXNwjJCmmnqQzbLAkBViiaSRjhIPQ4EgyuPJFam1BmCd1MsotnS\r\n" + "Djuv/khugwAmr3RffYWeULeXlq/Ij4uY6qP8VrfEwcNBIQKCTgOhAkAXhEpV84sw\r\n" + "PkkWbHNKGqpXYoud4B6kq9sWdmJKCO4xd/hlLyitb3vKv2V5gGEKOTX/D7EkDHnG\r\n" + "W6rp+e+YMQ3w"; /** * RSA签名 * @param content 待签名数据 * @param privateKey 商户私钥 * @param encode 字符集编码 * @return 签名值 */ public static String sign(String content, String privateKey, String encode) { try { PKCS8EncodedKeySpec priPKCS8 = new PKCS8EncodedKeySpec(Base64.decode(privateKey) ); KeyFactory keyf = KeyFactory.getInstance("RSA"); PrivateKey priKey = keyf.generatePrivate(priPKCS8); java.security.Signature signature = java.security.Signature.getInstance(SIGN_ALGORITHMS); signature.initSign(priKey); signature.update( content.getBytes(encode)); byte[] signed = signature.sign(); return Base64.encode(signed); } catch (Exception e) { e.printStackTrace(); } return null; } /** * 私钥签名 * @param content * @param privateKey * @return */ public static String sign(String content, String privateKey) { try { PKCS8EncodedKeySpec priPKCS8 = new PKCS8EncodedKeySpec(Base64.decode(privateKey)); KeyFactory keyf = KeyFactory.getInstance("RSA"); PrivateKey priKey = keyf.generatePrivate(priPKCS8); java.security.Signature signature = java.security.Signature.getInstance(SIGN_ALGORITHMS); signature.initSign(priKey); signature.update( content.getBytes("UTF-8")); byte[] signed = signature.sign(); return Base64.encode(signed); // byte[] keyBytes = Base64Utils.decode(privateKey); // PKCS8EncodedKeySpec pkcs8KeySpec = new PKCS8EncodedKeySpec(keyBytes); // KeyFactory keyFactory = KeyFactory.getInstance(KEY_ALGORITHM); // PrivateKey privateK = keyFactory.generatePrivate(pkcs8KeySpec); // Signature signature = Signature.getInstance(SIGNATURE_ALGORITHM); // signature.initSign(privateK); // signature.update(data); // return Base64Utils.encode(signature.sign()); } catch (Exception e) { e.printStackTrace(); } return null; } /** * RSA验签名检查 * @param content 待签名数据 * @param sign 签名值 * @param publicKey 分配给开发商公钥 * @param encode 字符集编码 * @return 布尔值 */ public static boolean doCheck(String content, String sign, String publicKey,String encode) { try { KeyFactory keyFactory = KeyFactory.getInstance("RSA"); byte[] encodedKey = Base64.decode(publicKey); PublicKey pubKey = keyFactory.generatePublic(new X509EncodedKeySpec(encodedKey)); java.security.Signature signature = java.security.Signature .getInstance(SIGN_ALGORITHMS); signature.initVerify(pubKey); signature.update( content.getBytes(encode) ); boolean bverify = signature.verify( Base64.decode(sign) ); return bverify; } catch (Exception e) { e.printStackTrace(); } return false; } public static boolean doCheck(String content, String sign, String publicKey) {