RSA.java
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package com.cnlive.goldenline.cmsdk;
import android.support.annotation.NonNull;
import java.security.Key;
import java.security.KeyFactory;
import java.security.spec.PKCS8EncodedKeySpec;
import javax.crypto.Cipher;
import cn.cmvideo.sdk.common.util.Base64;
public class RSA {
private static final String ALGORITHM = "RSA";
/*正在上演315800000000001正式私钥*/
@NonNull
private static String RSA_PRIVATE_KEY_PKCS8 = "MIICdQIBADANBgkqhkiG9w0BAQEFAASCAl8wggJbAgEAAoGBALMYPHhS6lABbROY"
+ "\r" +"VcobIh/T1qErfyH6IIk7wDvCc/b6X1J/dKp3cSD6XjLQmeFVw/faleYbuj/N69sQ" + "\r"
+ "4PVLWKO0SyA0U0shzSsz8dQRfXhtgXGwk34qYRZN0URZqer5fkN5U+g88/2GEt9s" + "\r"
+ "N9OgPrkqSrH30d08ZjMyNnYGQwWhAgMBAAECgYBq2jHx5B5yX3dxsni03Z1tedlb" + "\r"
+ "TXVLk01oM2MNBIZlu5m1wd+ceSjg8R/Ul4rH24DRVvQKV063FKf8isR89VhLTAPS" + "\r"
+ "3DiH2Izk/qtagNUZaDivdNThnG/757XTf4hlCoeXHpnbDoWoFe8O2cOKL8AqAQgC" + "\r"
+ "SOJI8mx0x86ibLbxNQJBANwLDczeX4Y1q4LTBf5yxAk7Q6RHzs7ZugrfXKZurBKE" + "\r"
+ "l3C5MGm5wIskY6M/cItxZt8+DB+d79cXNjuguNIb2f8CQQDQXDSvSGztLx0zDy0B" + "\r"
+ "vYTOD/VhC9dCo59HtNutXaq28Pdy7iGGvTJiD7Er8OC2aoN2AVG24yFNrWCEdXkk" + "\r"
+ "0uBfAkAnGTu5hGXa1hyEoXR2MvRMY6BwR2Yi8SMSnX+7/vxKSg8Ss4U7tArXbn7Z" + "\r"
+ "2gLodB0AW+kRkSG1yWUUkUll5BcHAkBP2CWwTdbABV/xIw2iLxfnRyJG8ByrQrxU" + "\r"
+ "5C+SfeRfenO4rRxX38Sg41aHeiUCgkqiO9sudFdcxuXHnKSxwcWNAkAZN0GqJseU" + "\r"
+ "VsEQD0ma3+QW8rHd6mQRifHXjNhiS28rZb3ZepmcFD+m6fzF0iVoMoClWJxaHums" + "\r"
+ "yYSL11ElosmZ";
public static String encrypt(@NonNull String source) throws Exception {
byte[] data = source.getBytes();
byte[] keyBytes = Base64.decode(RSA_PRIVATE_KEY_PKCS8);
// 取得私钥
PKCS8EncodedKeySpec pkcs8KeySpec = new PKCS8EncodedKeySpec(keyBytes);
KeyFactory keyFactory = KeyFactory.getInstance(ALGORITHM);
Key privateKey = keyFactory.generatePrivate(pkcs8KeySpec);
/*
* 用私钥进行签名 RSA Cipher负责完成加密或解密工作，基于RSA
*/
Cipher cipher = Cipher.getInstance("RSA/ECB/PKCS1Padding");
// ENCRYPT_MODE表示为加密模式
cipher.init(Cipher.ENCRYPT_MODE, privateKey);
// 加密
byte[] rsaBytes = cipher.doFinal(data);
// Base64编码
return Base64.encode(rsaBytes);
}
}