2014/10/16 上午 08:26:37

android Programming Glossary: tohex

How to encrypt file from sd card using AES in Android?

http://stackoverflow.com/questions/10782187/how-to-encrypt-file-from-sd-card-using-aes-in-android

byte result encrypt rawKey cleartext.getBytes return toHex result private static byte encrypt byte raw byte clear throws..

Java SimpleCrypto Class for encryption / decryption producing different results in Coldfusion 9 and Java (Android)

http://stackoverflow.com/questions/11418336/java-simplecrypto-class-for-encryption-decryption-producing-different-results

byte result encrypt rawKey cleartext.getBytes return toHex result public static String decrypt String seed String encrypted.. encrypted return decrypted public static String toHex String txt return toHex txt.getBytes public static String.. decrypted public static String toHex String txt return toHex txt.getBytes public static String fromHex String hex return..

Encryption error on Android 4.2

http://stackoverflow.com/questions/13383006/encryption-error-on-android-4-2

process Cipher.ENCRYPT_MODE cleartext.getBytes return toHex result catch Exception e System.out.println TAG encrypt e.getMessage.. @return the HEX encoded string protected static String toHex byte value if value null return StringBuffer result new StringBuffer.. public void testToHex String hexString UtilsEncryption.toHex ORIGINAL.getBytes assertNotNull The HEX string should not be..

Android 4.2 broke my AES encrypt/decrypt code

http://stackoverflow.com/questions/13389870/android-4-2-broke-my-aes-encrypt-decrypt-code

result encrypt rawKey cleartext.getBytes String fromHex toHex result String base64 new String Base64.encodeToString fromHex.getBytes.. encrypted return decrypted public static String toHex String txt return toHex txt.getBytes public static String fromHex.. decrypted public static String toHex String txt return toHex txt.getBytes public static String fromHex String hex return..

Encrypt and decrypt data for Android app-client

http://stackoverflow.com/questions/8397213/encrypt-and-decrypt-data-for-android-app-client

byte result encrypt rawKey cleartext.getBytes return toHex result public static String decrypt String seed String encrypted.. encrypted return decrypted public static String toHex String txt return toHex txt.getBytes public static String fromHex.. decrypted public static String toHex String txt return toHex txt.getBytes public static String fromHex String hex return..

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

try byte iv generateIv String ivHex HexEncoder.toHex iv IvParameterSpec ivspec new IvParameterSpec iv Cipher encryptionCipher.. cleartext.getBytes UTF 8 String encryptedHex HexEncoder.toHex encryptedText return ivHex encryptedHex catch Exception e.. byte out md.digest input.getBytes UTF 8 return HexEncoder.toHex out catch Exception e throw new CryptoException Unable to..

How to encrypt file from sd card using AES in Android?

http://stackoverflow.com/questions/10782187/how-to-encrypt-file-from-sd-card-using-aes-in-android

cleartext throws Exception byte rawKey getRawKey seed.getBytes byte result encrypt rawKey cleartext.getBytes return toHex result private static byte encrypt byte raw byte clear throws Exception SecretKeySpec skeySpec new SecretKeySpec raw AES..

Java SimpleCrypto Class for encryption / decryption producing different results in Coldfusion 9 and Java (Android)

http://stackoverflow.com/questions/11418336/java-simplecrypto-class-for-encryption-decryption-producing-different-results

cleartext throws Exception byte rawKey getRawKey seed.getBytes byte result encrypt rawKey cleartext.getBytes return toHex result public static String decrypt String seed String encrypted throws Exception byte rawKey getRawKey seed.getBytes byte.. cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted return decrypted public static String toHex String txt return toHex txt.getBytes public static String fromHex String hex return new String toByte hex public static.. skeySpec byte decrypted cipher.doFinal encrypted return decrypted public 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..

Encryption error on Android 4.2

http://stackoverflow.com/questions/13383006/encryption-error-on-android-4-2

public static String encrypt String cleartext try byte result process Cipher.ENCRYPT_MODE cleartext.getBytes return toHex result catch Exception e System.out.println TAG encrypt e.getMessage return null Decrypt a HEX encrypted string. br.. Encode a byte into an HEX string. br @param the byte value @return the HEX encoded string protected static String toHex byte value if value null return StringBuffer result new StringBuffer 2 value.length for int i 0 i value.length i byte.. static String HEX 736F6D6520737472696E6720746F2074657374 public void testToHex String hexString UtilsEncryption.toHex ORIGINAL.getBytes assertNotNull The HEX string should not be null hexString assertTrue The HEX string should not be empty..

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 byte rawKey getRawKey seed.getBytes byte result encrypt rawKey cleartext.getBytes String fromHex toHex result String base64 new String Base64.encodeToString fromHex.getBytes 0 return base64 public static String decrypt String.. cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted return decrypted public static String toHex String txt return toHex txt.getBytes public static String fromHex String hex return new String toByte hex public static.. skeySpec byte decrypted cipher.doFinal encrypted return decrypted public 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..

Encrypt and decrypt data for Android app-client

http://stackoverflow.com/questions/8397213/encrypt-and-decrypt-data-for-android-app-client

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

encrypt SecretKey secret String cleartext throws CryptoException try byte iv generateIv String ivHex HexEncoder.toHex iv IvParameterSpec ivspec new IvParameterSpec iv Cipher encryptionCipher Cipher.getInstance CIPHER_ALGORITHM PROVIDER.. secret ivspec byte encryptedText encryptionCipher.doFinal cleartext.getBytes UTF 8 String encryptedHex HexEncoder.toHex encryptedText return ivHex encryptedHex catch Exception e throw new CryptoException Unable to encrypt e public String.. md MessageDigest.getInstance HASH_ALGORITHM PROVIDER byte out md.digest input.getBytes UTF 8 return HexEncoder.toHex out catch Exception e throw new CryptoException Unable to get hash e public String generateSalt throws CryptoException..