package com.twodfire.alipay.utils;
import sun.misc.BASE64Decoder;
import sun.misc.BASE64Encoder;
import java.security.*;
import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;
import java.security.spec.PKCS8EncodedKeySpec;
import java.security.spec.X509EncodedKeySpec;
import java.util.Map;
import java.util.SortedMap;
public class RsaCipherHelper {
private static final String GOUQI_PRIVATE_KEY = "MIICdQIBADANBgkqhkiG9w0BAQEFAASCAl8wggJbAgEAAoGBAIodOSS4fXlvWYrgJdOCeLhBCsei" +
"CBaYqolfdViVCIETXJWQovUf1qRUtFyUaO4uh/2I0zx125MWA/Nr8Lz3iRSm2MfA62aON019Qsl8" +
"iAztT3a3Qe9duavhrNqyILX+QMyOIuHHHObD0ChbgsuBINrJ2OttDH+LP7Wss3kO4eMdAgMBAAEC" +
"gYAUmIkF9dEYQ8eZkxVw9hrkdyaRYJNOM1PzCl4oaIkNHoMG9rumTCoo9Uy0JZmEM0IqR7YgZP7q" +
"bzUFnsoWk99IESL98WnEZg+ze7xQdv0fwPA1c43MhzD+i1a0LWPS10HlO+M7PfQyWWguHa3os+aQ" +
"DSyYrHg6M+e6tkh4X7yf7QJBAODPtGe0F7XtXKVwvO+lnEzYw7mKhEsB6Rtz/bV/AVRsmT4ahnnb" +
"dCFvyyInEZ56faJyxjVhdB85TZ29ESHl9VcCQQCdRmvZePTlpT2vxjQswtRtOlzekIRgm19vgu2X" +
"foUyVgISiqvl0+uPHAju9wYkkyNm001l9OVU5uo+0LiMHc6rAkAL28j3Y2+QwCmP7Id62LCK+TAx" +
"3FWoIzypnw+2ADIQwv2+YeXQDbxtexkq/waV5n40EHvWGwLmFr66YFvD/v5XAkA2CneOf2Bu9Etw" +
"9YMCCmQhsBcvJqtF4r11PKDVGFU+SY1mv513WE0tnG15ZwoGUUSt1VdX/EE822fT87Yl9ywHAkBG" +
"7hb76FMfc9dXXxMSxeP+HVk0M6BW0GCNZWp2xE6yYxLvesy1IeLUOrsHjhd6JhvUc0+Ym91F7kNn" +
"aXqPCDRd";
private static final String GOUQI_PUBLIC_KEY = "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCKHTkkuH15b1mK4CXTgni4QQrHoggWmKqJX3VY" +
"lQiBE1yVkKL1H9akVLRclGjuLof9iNM8dduTFgPza/C894kUptjHwOtmjjdNfULJfIgM7U92t0Hv" +
"Xbmr4azasiC1/kDMjiLhxxzmw9AoW4LLgSDaydjrbQx/iz+1rLN5DuHjHQIDAQAB";
public static String sign(String content, String privateKey) {
return sign(content, str2PrivateKey(privateKey));
}
public static boolean verify(String content, String sign, String publicKey) {
return verify(content, sign, str2PublicKey(publicKey));
}
public static String sign(String content, RSAPrivateKey privateKey) {
try {
Signature signature = Signature.getInstance("SHA1withRSA");
signature.initSign(privateKey);
signature.update(content.getBytes("utf-8"));
return new BASE64Encoder().encode(signature.sign());
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public static boolean verify(String content, String sign, RSAPublicKey publicKey) {
try {
Signature signature = Signature.getInstance("SHA1withRSA");
signature.initVerify(publicKey);
signature.update(content.getBytes("utf-8"));
return signature.verify((new BASE64Decoder()).decodeBuffer(sign));
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public static RSAPublicKey str2PublicKey(String publicKeyPerm) {
try {
X509EncodedKeySpec keySpec = new X509EncodedKeySpec((new BASE64Decoder()).decodeBuffer(publicKeyPerm));
KeyFactory keyFactory = KeyFactory.getInstance("RSA");
return (RSAPublicKey) keyFactory.generatePublic(keySpec);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public static RSAPrivateKey str2PrivateKey(String privateKeyPerm) {
try {
PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec((new BASE64Decoder()).decodeBuffer(privateKeyPerm));
KeyFactory keyFactory = KeyFactory.getInstance("RSA");
return (RSAPrivateKey) keyFactory.generatePrivate(keySpec);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
public static String encodeParams(SortedMap, ?> params, String privateKey) {
StringBuilder sb = new StringBuilder();
for (Map.Entry, ?> entry : params.entrySet()) {
sb.append(entry.getKey())
.append("=")
.append(entry.getValue())
.append("&");
}
sb.deleteCharAt(sb.length() - 1);
return sign(sb.toString(), privateKey);
}
public static void main2(String[] args) throws Exception {
KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA");
keyPairGenerator.initialize(1024);
KeyPair keyPair = keyPairGenerator.genKeyPair();
PublicKey publicKey = keyPair.getPublic();
PrivateKey privateKey = keyPair.getPrivate();
BASE64Encoder base64Encoder = new BASE64Encoder();
System.out.println("-------------------public key----------------------");
System.out.println(base64Encoder.encode(publicKey.getEncoded()));
System.out.println("-------------------private key---------------------");
System.out.println(base64Encoder.encode(privateKey.getEncoded()));
}
public static void main3(String[] args) {
String publicKey = GOUQI_PUBLIC_KEY;
String privateKey = GOUQI_PRIVATE_KEY;
String appPrivateKey = "MIICeAIBADANBgkqhkiG9w0BAQEFAASCAmIwggJeAgEAAoGBAN0yqP" +
"kLXlnhM+2H/57aHsYHaHXazr9pFQun907TMvmbR04wHChVsKVgGUF1hC0FN" +
"9hfeYT5v2SXg1WJSg2tSgk7F29SpsF0I36oSLCIszxdu7ClO7c22mxEVuCj" +
"mYpJdqb6XweAZzv4Is661jXP4PdrCTHRdVTU5zR9xUByiLSVAgMBAAECgYEAh" +
"znORRonHylm9oKaygEsqQGkYdBXbnsOS6busLi6xA+iovEUdbAVIrTCG9t854" +
"z2HAgaISoRUKyztJoOtJfI1wJaQU+XL+U3JIh4jmNx/k5UzJijfvfpT7Cv3ueM" +
"tqyAGBJrkLvXjiS7O5ylaCGuB0Qz711bWGkRrVoosPM3N6ECQQD8hVQUgnHEVH" +
"ZYtvFqfcoq2g/onPbSqyjdrRu35a7PvgDAZx69Mr/XggGNTgT3jJn7+2XmiGkH" +
"M1fd1Ob/3uAdAkEA4D7aE3ZgXG/PQqlm3VbE/+4MvNl8xhjqOkByBOY2ZFfWKh" +
"lRziLEPSSAh16xEJ79WgY9iti+guLRAMravGrs2QJBAOmKWYeaWKNNxiIoF7/4" +
"VDgrcpkcSf3uRB44UjFSn8kLnWBUPo6WV+x1FQBdjqRviZ4NFGIP+KqrJnFHzN" +
"gJhVUCQFzCAukMDV4PLfeQJSmna8PFz2UKva8fvTutTryyEYu+PauaX5laDjyQ" +
"bc4RIEMU0Q29CRX3BA8WDYg7YPGRdTkCQQCG+pjU2FB17ZLuKRlKEdtXNV6zQ" +
"FTmFc1TKhlsDTtCkWs/xwkoCfZKstuV3Uc5J4BNJDkQOGm38pDRPcUDUh2/";
String sign = sign("jackiezhi", appPrivateKey);
System.out.println(sign);
//System.out.println(verify("jackiezhi", sign, publicKey));
}
}
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2015-12-28 18:01
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