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| | | import android.util.Base64; |
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| | | import org.json.JSONObject; |
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| | | import java.io.ByteArrayOutputStream; |
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| | | import java.security.Key; |
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| | | import java.security.KeyFactory; |
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| | | public class RSAUtils { |
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| | | |
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| | | //客户端私钥 |
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| | | public static final String PRIVATE_KEY = "MIICdgIBADANBgkqhkiG9w0BAQEFAASCAmAwggJcAgEAAoGBALBGei0scHoOjTLImPHvASaGqYNrdLie0ckWp74Nkqv7FVeXPOvWEG8_jRJCVjJ1grr8SGd9sVY2sxn5XIz7fUEBfx7Vm8m0DaCNBWJpFLGw9xiaVZ2AUKoNyTD4NgZobbwZbt6ZNB6_fggPrGF18pq6GPyCndX1JW8ZiZKj33VBAgMBAAECgYB0q-EX3y7_CnyYXT8l-mxHhJ_T9R6HR89QimcyGqe2nvRMSjSvX7r29xg3OqL0uORzQKHnpcDncELw8SQ5yAbpENeIsD0dvdFlkoyFYU4ljeUbJ46binwwg20TNARjTbpNos9zbhTPh8qixdblxppXA1WC18HtXhixgca5bNG9lQJBAPQfNdpNdDL9l8Tw4hYVuDMszcFuZYbHbm0S4xcwqj-dXNWBztNf5W_K92-N5GIoHbOypkGzjlBjSZi_oKA0HusCQQC42irhw682CG44mKdP6YRDxy6OaauVX4yE9WnsbO8JFSSc9ZCKMMD0F3NGtytDrVMAJxG1iPWXa4ptEdtgwCmDAkAUW1npR1YuPllekdu4jb0bf1v1ClirAYxiyhVnxKYdweiQ4U827yM5zEoP4lwuFzxK1NXqWqe-alkjxK8HTPFbAkAviQLf_adP2MknSrIzzZQSreTeAHR8PA7xnf54KucpScOZjVh3AOSNoH4nYDEC_U5LysA2E5s8Lg5xz9a_QYsrAkEAwV6gNED7_SYDsYyEWimQ6znUb_QSY-sSChnSCY-ILG1wpynBHw_t1Oi3ljl6gL_cYKG1O3uwOtvZtb-Vr1bNkQ"; |
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| | | public static final String PRIVATE_KEY = "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"; |
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| | | |
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| | | //服务器公钥 |
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| | | public static final String PUBLIC_KEY = "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCVj4BkEYtlv8z4quUUrkRvW4xuWQvXegMuLKPQZky8LObbxfFZniSvQ4gllFlyFuCjeeInjyQFPC3ARdbihV3P88drBsB2gCG9lwlCkgMjZfSc/hxC4VirsHbGGSIN5oPyCZMQNAUnIojpKBRlE0TJmHvP+FpAe46Yb+oPs8R5DQIDAQAB"; |
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| | | */ |
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| | | public static PrivateKey getPrivateKey(String privateKey) throws Exception { |
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| | | KeyFactory keyFactory = KeyFactory.getInstance(KEY_RSA); |
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| | | byte[] decodedKey = Base64.decode(privateKey.getBytes(), Base64.URL_SAFE); |
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| | | byte[] decodedKey = Base64.decode(privateKey.getBytes(), Base64.DEFAULT); |
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| | | PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(decodedKey); |
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| | | return keyFactory.generatePrivate(keySpec); |
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| | | } |
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| | | return new String(decryptedData, "UTF-8"); |
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| | | } |
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| | | |
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| | | public static String decryptVerify(String data,String key) throws Exception{ |
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| | | JSONObject jsonBody = new JSONObject(data); |
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| | | return decryptVerify(jsonBody.getString(key)); |
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| | | } |
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| | | public static String decryptVerify(String body) throws Exception{ |
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| | | String decrypted = RSAUtils.decrypt(body, RSAUtils.getPrivateKey(RSAUtils.PRIVATE_KEY)); |
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| | | JSONObject json = new JSONObject(decrypted); |
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| | | //服务端公钥验证加签是否正确 |
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| | | String decryptBody = json.getString("body"); |
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| | | if(RSAUtils.verify(decryptBody,//内容 |
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| | | RSAUtils.getPublicKey(RSAUtils.PUBLIC_KEY),//服务端公钥 |
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| | | json.getString("sign"))/*加签*/) { |
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| | | body = decryptBody; |
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| | | } |
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| | | return body; |
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| | | } |
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| | | |
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| | | /** |
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| | | * 签名 |
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| | | * |
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