2014/10/16 上午 08:21:24

android Programming Glossary: pbe_iteration_count

http://stackoverflow.com/questions/17079579/aes-algo-decryption-issue

public class DescEncrypter public static final int SALT_LENGTH 20 public static final int PBE_ITERATION_COUNT 200 1024 private static final String PBE_ALGORITHM PBEWithSHA256And256BitAES CBC BC algoritmo modo relleno private static.. password String cleartext byte encryptedText null try PBEKeySpec pbeKeySpec new PBEKeySpec password.toCharArray salt PBE_ITERATION_COUNT 256 Factoria para crear la SecretKey debemos indicar el Algoritmo SecretKeyFactory factory SecretKeyFactory.getInstance.. String password byte encryptedText String cleartext try PBEKeySpec pbeKeySpec new PBEKeySpec password.toCharArray salt PBE_ITERATION_COUNT 256 Factoria para crear la SecretKey debemos indicar el Algoritmo SecretKeyFactory factory SecretKeyFactory.getInstance..

What are best practices for using AES encryption in Android?

http://stackoverflow.com/questions/8622367/what-are-best-practices-for-using-aes-encryption-in-android

String PROVIDER BC public static final int SALT_LENGTH 20 public static final int IV_LENGTH 16 public static final int PBE_ITERATION_COUNT 100 private static final String RANDOM_ALGORITHM SHA1PRNG private static final String HASH_ALGORITHM SHA 512 private static.. salt throws CryptoException try PBEKeySpec pbeKeySpec new PBEKeySpec password.toCharArray HexEncoder.toByte salt PBE_ITERATION_COUNT 256 SecretKeyFactory factory SecretKeyFactory.getInstance PBE_ALGORITHM PROVIDER SecretKey tmp factory.generateSecret.. generates a key by repeatedly generating hashes of the password salt and a counter up to the iteration count given in PBE_ITERATION_COUNT here 100 in order to increase the time needed to mount a brute force attack. The salt's length should be at least as long..