83 lines
2.4 KiB
Java
83 lines
2.4 KiB
Java
package com.arialyy.frame.util;
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import android.content.Context;
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import android.content.pm.PackageInfo;
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import android.content.pm.PackageManager;
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import android.content.pm.Signature;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.ArrayList;
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/**
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* 应用签名信息
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* Created by YangQiang on 2014/11/27.
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*/
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public class AppSigning {
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public final static String MD5 = "MD5";
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public final static String SHA1 = "SHA1";
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public final static String SHA256 = "SHA256";
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/**
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* 返回一个签名的对应类型的字符串
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*/
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public static ArrayList<String> getSingInfo(Context context, String packageName, String type) {
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ArrayList<String> result = new ArrayList<String>();
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try {
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Signature[] signs = getSignatures(context, packageName);
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for (Signature sig : signs) {
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String tmp = "error!";
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if (MD5.equals(type)) {
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tmp = getSignatureString(sig, MD5);
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} else if (SHA1.equals(type)) {
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tmp = getSignatureString(sig, SHA1);
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} else if (SHA256.equals(type)) {
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tmp = getSignatureString(sig, SHA256);
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}
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result.add(tmp);
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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return result;
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}
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/**
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* 返回对应包的签名信息
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*/
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public static Signature[] getSignatures(Context context, String packageName) {
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PackageInfo packageInfo = null;
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try {
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packageInfo =
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context.getPackageManager().getPackageInfo(packageName, PackageManager.GET_SIGNATURES);
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return packageInfo.signatures;
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} catch (PackageManager.NameNotFoundException e) {
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e.printStackTrace();
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}
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return null;
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}
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/**
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* 获取相应的类型的字符串（把签名的byte[]信息转换成16进制）
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*/
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public static String getSignatureString(Signature sig, String type) {
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byte[] hexBytes = sig.toByteArray();
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String fingerprint = "error!";
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try {
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MessageDigest digest = MessageDigest.getInstance(type);
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if (digest != null) {
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byte[] digestBytes = digest.digest(hexBytes);
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StringBuilder sb = new StringBuilder();
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for (byte digestByte : digestBytes) {
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sb.append((Integer.toHexString((digestByte & 0xFF) | 0x100)).substring(1, 3));
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}
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fingerprint = sb.toString();
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}
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} catch (NoSuchAlgorithmException e) {
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e.printStackTrace();
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}
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return fingerprint;
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}
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}
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