版权声明:本文为博主原创文章,转载请标明出处。 https://blog.csdn.net/chaoyu168/article/details/78744341
RSA算法原理如下:
1.随机选择两个大质数p和q,p不等于q,计算N=pq;
2.选择一个大于1小于N的自然数e,e必须与(p-1)(q-1)互素。
3.用公式计算出d:d×e = 1 (mod (p-1)(q-1)) 。
4.销毁p和q。
主函数:
打印结果:
附加:
这里面的内容是标准的ASCII字符,中间的一大串字符就是私钥数据了。
可以看到是跟私钥的文件类似的。
可以看到中间的私钥内容有所变化了,这样的私钥我们在代码里就方便使用了。
1.随机选择两个大质数p和q,p不等于q,计算N=pq;
2.选择一个大于1小于N的自然数e,e必须与(p-1)(q-1)互素。
3.用公式计算出d:d×e = 1 (mod (p-1)(q-1)) 。
4.销毁p和q。
最终得到的N和e就是“公钥”,d就是“私钥”,发送方使用N去加密数据,接收方只有使用d才能解开数据内容。
RSAUtils工具类:
package com.example.xiaobai.aes;
import java.security.KeyFactory;
import java.security.KeyPair;
import java.security.KeyPairGenerator;
import java.security.NoSuchAlgorithmException;
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.List;
import javax.crypto.Cipher;
/**
* Created by xiaobai on 2017/12/7/007.
*/
public class RSAUtils {
public static final String RSA = "RSA";// 非对称加密密钥算法
public static final String ECB_PKCS1_PADDING = "RSA/ECB/PKCS1Padding";//加密填充方式
public static final int DEFAULT_KEY_SIZE = 2048;//秘钥默认长度
public static final byte[] DEFAULT_SPLIT = "#PART#".getBytes(); // 当要加密的内容超过bufferSize,则采用partSplit进行分块加密
public static final int DEFAULT_BUFFERSIZE = (DEFAULT_KEY_SIZE / 8) - 11;// 当前秘钥支持加密的最大字节数
/**
* 随机生成RSA密钥对
*
* @param keyLength 密钥长度,范围:512~2048
* 一般1024
* @return
*/
public static KeyPair generateRSAKeyPair(int keyLength) {
try {
KeyPairGenerator kpg = KeyPairGenerator.getInstance(RSA);
kpg.initialize(keyLength);
return kpg.genKeyPair();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
return null;
}
}
/**
* 用公钥对字符串进行加密
*
* @param data 原文
*/
public static byte[] encryptByPublicKey(byte[] data, byte[] publicKey) throws Exception {
// 得到公钥
X509EncodedKeySpec keySpec = new X509EncodedKeySpec(publicKey);
KeyFactory kf = KeyFactory.getInstance(RSA);
PublicKey keyPublic = kf.generatePublic(keySpec);
// 加密数据
Cipher cp = Cipher.getInstance(ECB_PKCS1_PADDING);
cp.init(Cipher.ENCRYPT_MODE, keyPublic);
return cp.doFinal(data);
}
/**
* 私钥加密
*
* @param data 待加密数据
* @param privateKey 密钥
* @return byte[] 加密数据
*/
public static byte[] encryptByPrivateKey(byte[] data, byte[] privateKey) throws Exception {
// 得到私钥
PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(privateKey);
KeyFactory kf = KeyFactory.getInstance(RSA);
PrivateKey keyPrivate = kf.generatePrivate(keySpec);
// 数据加密
Cipher cipher = Cipher.getInstance(ECB_PKCS1_PADDING);
cipher.init(Cipher.ENCRYPT_MODE, keyPrivate);
return cipher.doFinal(data);
}
/**
* 公钥解密
*
* @param data 待解密数据
* @param publicKey 密钥
* @return byte[] 解密数据
*/
public static byte[] decryptByPublicKey(byte[] data, byte[] publicKey) throws Exception {
// 得到公钥
X509EncodedKeySpec keySpec = new X509EncodedKeySpec(publicKey);
KeyFactory kf = KeyFactory.getInstance(RSA);
PublicKey keyPublic = kf.generatePublic(keySpec);
// 数据解密
Cipher cipher = Cipher.getInstance(ECB_PKCS1_PADDING);
cipher.init(Cipher.DECRYPT_MODE, keyPublic);
return cipher.doFinal(data);
}
/**
* 使用私钥进行解密
*/
public static byte[] decryptByPrivateKey(byte[] encrypted, byte[] privateKey) throws Exception {
// 得到私钥
PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(privateKey);
KeyFactory kf = KeyFactory.getInstance(RSA);
PrivateKey keyPrivate = kf.generatePrivate(keySpec);
// 解密数据
Cipher cp = Cipher.getInstance(ECB_PKCS1_PADDING);
cp.init(Cipher.DECRYPT_MODE, keyPrivate);
byte[] arr = cp.doFinal(encrypted);
return arr;
}
/**
* 用公钥对字符串进行分段加密
*
*/
public static byte[] encryptByPublicKeyForSpilt(byte[] data, byte[] publicKey) throws Exception {
int dataLen = data.length;
if (dataLen <= DEFAULT_BUFFERSIZE) {
return encryptByPublicKey(data, publicKey);
}
List<Byte> allBytes = new ArrayList<Byte>(2048);
int bufIndex = 0;
int subDataLoop = 0;
byte[] buf = new byte[DEFAULT_BUFFERSIZE];
for (int i = 0; i < dataLen; i++) {
buf[bufIndex] = data[i];
if (++bufIndex == DEFAULT_BUFFERSIZE || i == dataLen - 1) {
subDataLoop++;
if (subDataLoop != 1) {
for (byte b : DEFAULT_SPLIT) {
allBytes.add(b);
}
}
byte[] encryptBytes = encryptByPublicKey(buf, publicKey);
for (byte b : encryptBytes) {
allBytes.add(b);
}
bufIndex = 0;
if (i == dataLen - 1) {
buf = null;
} else {
buf = new byte[Math.min(DEFAULT_BUFFERSIZE, dataLen - i - 1)];
}
}
}
byte[] bytes = new byte[allBytes.size()];
{
int i = 0;
for (Byte b : allBytes) {
bytes[i++] = b.byteValue();
}
}
return bytes;
}
/**
* 分段加密
*
* @param data 要加密的原始数据
* @param privateKey 秘钥
*/
public static byte[] encryptByPrivateKeyForSpilt(byte[] data, byte[] privateKey) throws Exception {
int dataLen = data.length;
if (dataLen <= DEFAULT_BUFFERSIZE) {
return encryptByPrivateKey(data, privateKey);
}
List<Byte> allBytes = new ArrayList<Byte>(2048);
int bufIndex = 0;
int subDataLoop = 0;
byte[] buf = new byte[DEFAULT_BUFFERSIZE];
for (int i = 0; i < dataLen; i++) {
buf[bufIndex] = data[i];
if (++bufIndex == DEFAULT_BUFFERSIZE || i == dataLen - 1) {
subDataLoop++;
if (subDataLoop != 1) {
for (byte b : DEFAULT_SPLIT) {
allBytes.add(b);
}
}
byte[] encryptBytes = encryptByPrivateKey(buf, privateKey);
for (byte b : encryptBytes) {
allBytes.add(b);
}
bufIndex = 0;
if (i == dataLen - 1) {
buf = null;
} else {
buf = new byte[Math.min(DEFAULT_BUFFERSIZE, dataLen - i - 1)];
}
}
}
byte[] bytes = new byte[allBytes.size()];
{
int i = 0;
for (Byte b : allBytes) {
bytes[i++] = b.byteValue();
}
}
return bytes;
}
/**
* 公钥分段解密
*
* @param encrypted 待解密数据
* @param publicKey 密钥
*/
public static byte[] decryptByPublicKeyForSpilt(byte[] encrypted, byte[] publicKey) throws Exception {
int splitLen = DEFAULT_SPLIT.length;
if (splitLen <= 0) {
return decryptByPublicKey(encrypted, publicKey);
}
int dataLen = encrypted.length;
List<Byte> allBytes = new ArrayList<Byte>(1024);
int latestStartIndex = 0;
for (int i = 0; i < dataLen; i++) {
byte bt = encrypted[i];
boolean isMatchSplit = false;
if (i == dataLen - 1) {
// 到data的最后了
byte[] part = new byte[dataLen - latestStartIndex];
System.arraycopy(encrypted, latestStartIndex, part, 0, part.length);
byte[] decryptPart = decryptByPublicKey(part, publicKey);
for (byte b : decryptPart) {
allBytes.add(b);
}
latestStartIndex = i + splitLen;
i = latestStartIndex - 1;
} else if (bt == DEFAULT_SPLIT[0]) {
// 这个是以split[0]开头
if (splitLen > 1) {
if (i + splitLen < dataLen) {
// 没有超出data的范围
for (int j = 1; j < splitLen; j++) {
if (DEFAULT_SPLIT[j] != encrypted[i + j]) {
break;
}
if (j == splitLen - 1) {
// 验证到split的最后一位,都没有break,则表明已经确认是split段
isMatchSplit = true;
}
}
}
} else {
// split只有一位,则已经匹配了
isMatchSplit = true;
}
}
if (isMatchSplit) {
byte[] part = new byte[i - latestStartIndex];
System.arraycopy(encrypted, latestStartIndex, part, 0, part.length);
byte[] decryptPart = decryptByPublicKey(part, publicKey);
for (byte b : decryptPart) {
allBytes.add(b);
}
latestStartIndex = i + splitLen;
i = latestStartIndex - 1;
}
}
byte[] bytes = new byte[allBytes.size()];
{
int i = 0;
for (Byte b : allBytes) {
bytes[i++] = b.byteValue();
}
}
return bytes;
}
/**
* 使用私钥分段解密
*
*/
public static byte[] decryptByPrivateKeyForSpilt(byte[] encrypted, byte[] privateKey) throws Exception {
int splitLen = DEFAULT_SPLIT.length;
if (splitLen <= 0) {
return decryptByPrivateKey(encrypted, privateKey);
}
int dataLen = encrypted.length;
List<Byte> allBytes = new ArrayList<Byte>(1024);
int latestStartIndex = 0;
for (int i = 0; i < dataLen; i++) {
byte bt = encrypted[i];
boolean isMatchSplit = false;
if (i == dataLen - 1) {
// 到data的最后了
byte[] part = new byte[dataLen - latestStartIndex];
System.arraycopy(encrypted, latestStartIndex, part, 0, part.length);
byte[] decryptPart = decryptByPrivateKey(part, privateKey);
for (byte b : decryptPart) {
allBytes.add(b);
}
latestStartIndex = i + splitLen;
i = latestStartIndex - 1;
} else if (bt == DEFAULT_SPLIT[0]) {
// 这个是以split[0]开头
if (splitLen > 1) {
if (i + splitLen < dataLen) {
// 没有超出data的范围
for (int j = 1; j < splitLen; j++) {
if (DEFAULT_SPLIT[j] != encrypted[i + j]) {
break;
}
if (j == splitLen - 1) {
// 验证到split的最后一位,都没有break,则表明已经确认是split段
isMatchSplit = true;
}
}
}
} else {
// split只有一位,则已经匹配了
isMatchSplit = true;
}
}
if (isMatchSplit) {
byte[] part = new byte[i - latestStartIndex];
System.arraycopy(encrypted, latestStartIndex, part, 0, part.length);
byte[] decryptPart = decryptByPrivateKey(part, privateKey);
for (byte b : decryptPart) {
allBytes.add(b);
}
latestStartIndex = i + splitLen;
i = latestStartIndex - 1;
}
}
byte[] bytes = new byte[allBytes.size()];
{
int i = 0;
for (Byte b : allBytes) {
bytes[i++] = b.byteValue();
}
}
return bytes;
}
}
Base64:
package com.example.xiaobai.aes;
/**
* Created by xiaobai on 2017/12/7/007.
*/
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
public class Base64 {
private static final char[] legalChars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
.toCharArray();
public static String encode(byte[] data) {
int start = 0;
int len = data.length;
StringBuffer buf = new StringBuffer(data.length * 3 / 2);
int end = len - 3;
int i = start;
int n = 0;
while (i <= end) {
int d = ((((int) data[i]) & 0x0ff) << 16)
| ((((int) data[i + 1]) & 0x0ff) << 8)
| (((int) data[i + 2]) & 0x0ff);
buf.append(legalChars[(d >> 18) & 63]);
buf.append(legalChars[(d >> 12) & 63]);
buf.append(legalChars[(d >> 6) & 63]);
buf.append(legalChars[d & 63]);
i += 3;
if (n++ >= 14) {
n = 0;
buf.append(" ");
}
}
if (i == start + len - 2) {
int d = ((((int) data[i]) & 0x0ff) << 16)
| ((((int) data[i + 1]) & 255) << 8);
buf.append(legalChars[(d >> 18) & 63]);
buf.append(legalChars[(d >> 12) & 63]);
buf.append(legalChars[(d >> 6) & 63]);
buf.append("=");
} else if (i == start + len - 1) {
int d = (((int) data[i]) & 0x0ff) << 16;
buf.append(legalChars[(d >> 18) & 63]);
buf.append(legalChars[(d >> 12) & 63]);
buf.append("==");
}
return buf.toString();
}
private static int decode(char c) {
if (c >= 'A' && c <= 'Z')
return ((int) c) - 65;
else if (c >= 'a' && c <= 'z')
return ((int) c) - 97 + 26;
else if (c >= '0' && c <= '9')
return ((int) c) - 48 + 26 + 26;
else
switch (c) {
case '+':
return 62;
case '/':
return 63;
case '=':
return 0;
default:
throw new RuntimeException("unexpected code: " + c);
}
}
/**
* Decodes the given Base64 encoded String to a new byte array. The byte
* array holding the decoded data is returned.
*/
public static byte[] decode(String s) {
ByteArrayOutputStream bos = new ByteArrayOutputStream();
try {
decode(s, bos);
} catch (IOException e) {
throw new RuntimeException();
}
byte[] decodedBytes = bos.toByteArray();
try {
bos.close();
bos = null;
} catch (IOException ex) {
System.err.println("Error while decoding BASE64: " + ex.toString());
}
return decodedBytes;
}
private static void decode(String s, OutputStream os) throws IOException {
int i = 0;
int len = s.length();
while (true) {
while (i < len && s.charAt(i) <= ' ')
i++;
if (i == len)
break;
int tri = (decode(s.charAt(i)) << 18)
+ (decode(s.charAt(i + 1)) << 12)
+ (decode(s.charAt(i + 2)) << 6)
+ (decode(s.charAt(i + 3)));
os.write((tri >> 16) & 255);
if (s.charAt(i + 2) == '=')
break;
os.write((tri >> 8) & 255);
if (s.charAt(i + 3) == '=')
break;
os.write(tri & 255);
i += 4;
}
}
}
主函数:
package com.example.xiaobai.aes;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import java.security.KeyPair;
import java.security.interfaces.RSAPrivateKey;
import java.security.interfaces.RSAPublicKey;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
String text = "hello RSA!";
KeyPair keyPair= RSAUtils.generateRSAKeyPair(RSAUtils.DEFAULT_KEY_SIZE);
// 公钥
RSAPublicKey publicKey = (RSAPublicKey) keyPair.getPublic();
// 私钥
RSAPrivateKey privateKey = (RSAPrivateKey) keyPair.getPrivate();
//公钥加密
byte[] encryptBytes= new byte[0];
try {
encryptBytes = RSAUtils.encryptByPublicKeyForSpilt(text.getBytes(),publicKey.getEncoded());
} catch (Exception e) {
e.printStackTrace();
}
String encryStr=Base64.encode(encryptBytes);
Log.e("RSA","加密后的数据:"+encryStr);
//私钥解密
byte[] decryptBytes= new byte[0];
try {
decryptBytes = RSAUtils.decryptByPrivateKeyForSpilt(Base64.decode(encryStr),privateKey.getEncoded());
} catch (Exception e) {
e.printStackTrace();
}
String decryStr=new String(decryptBytes);
Log.e("RSA","解密后的数据:"+decryStr);
//私钥加密
try {
encryptBytes= RSAUtils.encryptByPrivateKeyForSpilt(text.getBytes(),privateKey.getEncoded());
} catch (Exception e) {
e.printStackTrace();
}
encryStr=Base64.encode(encryptBytes);
Log.e("RSA","加密后的数据:"+encryStr);
//公钥解密
try {
decryptBytes= RSAUtils.decryptByPublicKeyForSpilt(Base64.decode(encryStr),publicKey.getEncoded());
} catch (Exception e) {
e.printStackTrace();
}
decryStr=new String(decryptBytes);
Log.e("RSA","解密后的数据:"+decryStr);
}
}
打印结果:
12-07 18:59:55.909 7040-7040/? E/RSA: 加密后的数据:WXDat4zGP9ugHju+F5LP7av6SPxFYGfew/Y/k09HTmPOsxAMzr7lbnrWYziR 7Gno6933rmHMxkhV4KR3ykS7qW0i6tqw8GD8kirAGC04R2ndb698olJZEGKr ZNnf08u7P0P5r5wyqDjSkdcPFfwcdtSiMBnbGjP9csgsbTMctN9RA5zCdlQZ He6p9Kg7qoPb0gKJ7fMj92/qVrlD2UnYgsTRXvVoMf8JS2v8NCor4ySphEsI GVYKqNTfkQ+h79AF+QzFUxijhHB/qQ827p6H5Vy3XWKAejRPrYO/1T96yJDk ZF1OOulPt7Va8QyRqb5BfkPOb0++pCa0KHkt41BZug==
12-07 18:59:55.922 7040-7040/? E/RSA: 解密后的数据:hello RSA!
12-07 18:59:55.933 7040-7040/? E/RSA: 加密后的数据:OTGdrYaKyiSJXZ3xscyv1UKNcVU2nsAmkJaG+evdKbkDhx0o003ZwPyLdMAR j85R8aSGZIu0PHZ4uc9TsVFyYbKsBO507cG2x2IEaLvSwpgm7vZy40r6bDn2 XcGpqNZSTdBvv1NjABZ4htV7ZgAPMOPI6FkmkulDFGZ1UL2xTCQy+9yZv1kS dZr09EvwyW3G07HwibirBOfP7+mNeP7ULsiJWW0GFGaG/RxdoxEXFsmQ1aJa vlTUM4i6FEO8oWFxW1VGrjmJBRphurbqsFC7x9KgKnE1wXP4YwzBmXr4igoC /E4b/2yDDCUUd1e15KNFguO1iPPll6gRGe3R4298tw==
12-07 18:59:55.935 7040-7040/? E/RSA: 解密后的数据:hello RSA!
附加:
通过OpenSSl工具生成密钥对
OpenSSl工具下载:OpenSSI下载,使用OpenSSl工具生成密钥对的过程如下:
首先双击打开bin文件夹下的openssl.exe,打开之后是一个命令行窗口:
然后通过如下命令生成私钥:
- genrsa -out rsa_private_key.pem 1024
用文本类工具打开可看到里面的内容:
- -----BEGIN RSA PRIVATE KEY-----
- MIICXQIBAAKBgQCfRTdcPIH10gT9f31rQuIInLwe7fl2dtEJ93gTmjE9c2H+kLVE
- NWgECiJVQ5sonQNfwToMKdO0b3Olf4pgBKeLThraz/L3nYJYlbqjHC3jTjUnZc0l
- uumpXGsox62+PuSGBlfb8zJO6hix4GV/vhyQVCpG9aYqgE7zyTRZYX9byQIDAQAB
- AoGAO9+sYRtKC9xJDfcocfMxv+UT/1ic6EDgcqu6Uzwq+Jvwod9KlXqyQJqCr6T7
- pjfodc3RAZOTx4gCZJverBvz053RH5GawCdocEgaqbXAAWJOhA+9IEU0NUud7ckF
- yDko0QXLoGP9tanrMEt5zMqt8QxDyl6Xcij3mk8rivOgBJECQQDNTO6dZX8xCozc
- Ne0gzC53Gv/KQXANBBHMr7WkKUb2i5+tXkEJ5z3abx2ppEQXDr4AgJH8Gtbm6K7t
- EHV4ov4FAkEAxppD/iiT1/SVQq20be8CsiHpsjTPiestWQWdm1Qn/Y2nAkGkpCFp
- yEdUvVDPtQhRN9EqNggNAnwg5kMvsuwN9QJAfHBhQe4/hk5Kyz+0l+irUW6AFOxN
- KtaIo3TtuK98X/yJsOAstAACMeCgLi9vRjqdWFiWJCVwlU38mZ0cVx8UsQJBALzt
- M5Er+LiPKw5rQCD0JZRfPnkQU/3XgyQUe4Gv5PsHLcCvwXeBcafcc3hEz9JfPyPi
- Dk2oCvg6LPHfKBkFBaECQQCODcKX6DBWiyVxmPaJOOcF63KpCYDPkjeovIUHro1x
- ElR2GrQCC/9Q4C4vruOhBQ+vX8NMPnO6NBy5TLGDwMyc
- -----END RSA PRIVATE KEY-----
这里面的内容是标准的ASCII字符,中间的一大串字符就是私钥数据了。
然后通过如下命令生成公钥:
- rsa -in rsa_private_key.pem -out rsa_public_key.pem -pubout
打开文件看下里面的内容:
- -----BEGIN PUBLIC KEY-----
- MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCfRTdcPIH10gT9f31rQuIInLwe
- 7fl2dtEJ93gTmjE9c2H+kLVENWgECiJVQ5sonQNfwToMKdO0b3Olf4pgBKeLThra
- z/L3nYJYlbqjHC3jTjUnZc0luumpXGsox62+PuSGBlfb8zJO6hix4GV/vhyQVCpG
- 9aYqgE7zyTRZYX9byQIDAQAB
- -----END PUBLIC KEY-----
可以看到是跟私钥的文件类似的。
这样密钥就基本生成了,不过这样密钥对的私钥是无法在代码中直接使用的,要想使用它需要借助RSAPrivateKeyStructure这个类,java是不自带的。所以为了方便使用,我们需要对私钥进行PKCS#8编码,命令如下:
- pkcs8 -topk8 -in rsa_private_key.pem -out pkcs8_rsa_private_key.pem -nocrypt
这条命令的结果依然是在bin文件夹生成了pkcs8_rsa_private_key.pem文件,打开内容如下:
- -----BEGIN PRIVATE KEY-----
- MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBAJ9FN1w8gfXSBP1/
- fWtC4gicvB7t+XZ20Qn3eBOaMT1zYf6QtUQ1aAQKIlVDmyidA1/BOgwp07Rvc6V/
- imAEp4tOGtrP8vedgliVuqMcLeNONSdlzSW66alcayjHrb4+5IYGV9vzMk7qGLHg
- ZX++HJBUKkb1piqATvPJNFlhf1vJAgMBAAECgYA736xhG0oL3EkN9yhx8zG/5RP/
- WJzoQOByq7pTPCr4m/Ch30qVerJAmoKvpPumN+h1zdEBk5PHiAJkm96sG/PTndEf
- kZrAJ2hwSBqptcABYk6ED70gRTQ1S53tyQXIOSjRBcugY/21qeswS3nMyq3xDEPK
- XpdyKPeaTyuK86AEkQJBAM1M7p1lfzEKjNw17SDMLnca/8pBcA0EEcyvtaQpRvaL
- n61eQQnnPdpvHamkRBcOvgCAkfwa1uboru0QdXii/gUCQQDGmkP+KJPX9JVCrbRt
- 7wKyIemyNM+J6y1ZBZ2bVCf9jacCQaSkIWnIR1S9UM+1CFE30So2CA0CfCDmQy+y
- 7A31AkB8cGFB7j+GTkrLP7SX6KtRboAU7E0q1oijdO24r3xf/Imw4Cy0AAIx4KAu
- L29GOp1YWJYkJXCVTfyZnRxXHxSxAkEAvO0zkSv4uI8rDmtAIPQllF8+eRBT/deD
- JBR7ga/k+wctwK/Bd4Fxp9xzeETP0l8/I+IOTagK+Dos8d8oGQUFoQJBAI4Nwpfo
- MFaLJXGY9ok45wXrcqkJgM+SN6i8hQeujXESVHYatAIL/1DgLi+u46EFD69fw0w+
- c7o0HLlMsYPAzJw=
- -----END PRIVATE KEY-----
可以看到中间的私钥内容有所变化了,这样的私钥我们在代码里就方便使用了。
以上的密钥文件使用时需要注意吧头和尾的字符串去掉,我们只取中间的内容。