Android获取应用的签名信息

public void getSingInfo() {    try {        PackageInfo packageInfo = getPackageManager().getPackageInfo("wabao.et.master", PackageManager.GET_SIGNATURES);        Signature[] signs = packageInfo.signatures;        Signature sign = signs[0];        parseSignature(sign.toByteArray());    } catch (Exception e) {        e.printStackTrace();    }}public void parseSignature(byte[] signature) {    try {        CertificateFactory certFactory = CertificateFactory.getInstance("X.509");        X509Certificate cert = (X509Certificate) certFactory.generateCertificate(new ByteArrayInputStream(signature));        String pubKey = cert.getPublicKey().toString();        String signNumber = cert.getSerialNumber().toString();    } catch (CertificateException e) {        e.printStackTrace();    }}

转载地址：
https://my.oschina.net/888/blog/67586