在代码中得到应用的签名
在代码中得到应用的签名
public void getSingInfo() { try { PackageInfo packageInfo = getPackageManager().getPackageInfo( "com.atguigu.p2p", 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(); Log.e("TAG", "pubKey:" + pubKey); Log.e("TAG", "signNumber:" + signNumber); } catch (Exception e) { e.printStackTrace(); } }