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2014/10/16 ¤W¤È 08:26:36
android Programming Glossary: tobytehttp://stackoverflow.com/questions/11418336/java-simplecrypto-class-for-encryption-decryption-producing-different-results Exception byte rawKey getRawKey seed.getBytes byte enc toByte encrypted byte result decrypt rawKey enc return new String result.. public static String fromHex String hex return new String toByte hex public static byte toByte String hexString int len hexString.length.. hex return new String toByte hex public static byte toByte String hexString int len hexString.length 2 byte result new..
Android 4.2 broke my AES encrypt/decrypt code http://stackoverflow.com/questions/13389870/android-4-2-broke-my-aes-encrypt-decrypt-code encrypted 0 byte rawKey getRawKey seed.getBytes byte enc toByte base64 byte result decrypt rawKey enc return new String result.. public static String fromHex String hex return new String toByte hex public static byte toByte String hexString int len hexString.length.. String hex return new String toByte hex public static byte toByte String hexString int len hexString.length 2 byte result new..
Encrypt with Node.js Crypto module and decrypt with Java (in Android app) http://stackoverflow.com/questions/7787773/encrypt-with-node-js-crypto-module-and-decrypt-with-java-in-android-app string is converted to bytes like this public static byte toByte String hexString int len hexString.length 2 byte result new..
Encrypt and decrypt data for Android app-client http://stackoverflow.com/questions/8397213/encrypt-and-decrypt-data-for-android-app-client Exception byte rawKey getRawKey seed.getBytes byte enc toByte encrypted byte result decrypt rawKey enc return new String result.. public static String fromHex String hex return new String toByte hex public static byte toByte String hexString int len hexString.length.. String hex return new String toByte hex public static byte toByte String hexString int len hexString.length 2 byte result new..
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 2 IvParameterSpec ivspec new IvParameterSpec HexEncoder.toByte ivHex decryptionCipher.init Cipher.DECRYPT_MODE secret ivspec.. byte decryptedText decryptionCipher.doFinal HexEncoder.toByte encryptedHex String decrypted new String decryptedText UTF.. pbeKeySpec new PBEKeySpec password.toCharArray HexEncoder.toByte salt PBE_ITERATION_COUNT 256 SecretKeyFactory factory SecretKeyFactory.getInstance..
http://stackoverflow.com/questions/11418336/java-simplecrypto-class-for-encryption-decryption-producing-different-results static String decrypt String seed String encrypted throws Exception byte rawKey getRawKey seed.getBytes byte enc toByte encrypted byte result decrypt rawKey enc return new String result private static byte getRawKey byte seed throws Exception.. static String toHex String txt return toHex txt.getBytes public static String fromHex String hex return new String toByte hex public static byte toByte String hexString int len hexString.length 2 byte result new byte len for int i 0 i len i.. return toHex txt.getBytes public static String fromHex String hex return new String toByte hex public static byte toByte String hexString int len hexString.length 2 byte result new byte len for int i 0 i len i result i Integer.valueOf hexString.substring..
Android 4.2 broke my AES encrypt/decrypt code http://stackoverflow.com/questions/13389870/android-4-2-broke-my-aes-encrypt-decrypt-code throws Exception String base64 new String Base64.decode encrypted 0 byte rawKey getRawKey seed.getBytes byte enc toByte base64 byte result decrypt rawKey enc return new String result public static byte encryptBytes String seed byte cleartext.. static String toHex String txt return toHex txt.getBytes public static String fromHex String hex return new String toByte hex public static byte toByte String hexString int len hexString.length 2 byte result new byte len for int i 0 i len i .. txt return toHex txt.getBytes public static String fromHex String hex return new String toByte hex public static byte toByte String hexString int len hexString.length 2 byte result new byte len for int i 0 i len i result i Integer.valueOf hexString.substring..
Encrypt with Node.js Crypto module and decrypt with Java (in Android app) http://stackoverflow.com/questions/7787773/encrypt-with-node-js-crypto-module-and-decrypt-with-java-in-android-app byte raw skey.getEncoded return raw while the encrypted hex string is converted to bytes like this public static byte toByte String hexString int len hexString.length 2 byte result new byte len for int i 0 i len i result i Integer.valueOf hexString.substring..
Encrypt and decrypt data for Android app-client http://stackoverflow.com/questions/8397213/encrypt-and-decrypt-data-for-android-app-client static String decrypt String seed String encrypted throws Exception byte rawKey getRawKey seed.getBytes byte enc toByte encrypted byte result decrypt rawKey enc return new String result private static byte getRawKey byte seed throws Exception.. static String toHex String txt return toHex txt.getBytes public static String fromHex String hex return new String toByte hex public static byte toByte String hexString int len hexString.length 2 byte result new byte len for int i 0 i len i .. txt return toHex txt.getBytes public static String fromHex String hex return new String toByte hex public static byte toByte String hexString int len hexString.length 2 byte result new byte len for int i 0 i len i result i Integer.valueOf hexString.substring..
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 2 String encryptedHex encrypted.substring IV_LENGTH 2 IvParameterSpec ivspec new IvParameterSpec HexEncoder.toByte ivHex decryptionCipher.init Cipher.DECRYPT_MODE secret ivspec byte decryptedText decryptionCipher.doFinal HexEncoder.toByte.. ivHex decryptionCipher.init Cipher.DECRYPT_MODE secret ivspec byte decryptedText decryptionCipher.doFinal HexEncoder.toByte encryptedHex String decrypted new String decryptedText UTF 8 return decrypted catch Exception e throw new CryptoException.. password String 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..
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