android SHA1獲取(程式碼獲取)
阿新 • • 發佈:2019-01-29
程式碼獲取當前apk使用的簽名檔案SHA1
publicstatic String sHA1(Context context) { try { PackageInfo info = context.getPackageManager().getPackageInfo( context.getPackageName(), PackageManager.GET_SIGNATURES); byte[] cert = info.signatures[0].toByteArray(); MessageDigest md = MessageDigest.getInstance("SHA1"); byte[] publicKey = md.digest(cert); StringBuffer hexString = new StringBuffer(); for (int i = 0; i < publicKey.length; i++) { String appendString = Integer.toHexString(0xFF & publicKey[i]) .toUpperCase(Locale.US); if (appendString.length() == 1) hexString.append("0"); hexString.append(appendString); hexString.append(":"); } String result = hexString.toString(); return result.substring(0, result.length()-1); } catch (NameNotFoundException e) { e.printStackTrace(); } catch (NoSuchAlgorithmException e) { e.printStackTrace(); } return null; }