2014/10/16 上午 08:11:11
android Programming Glossary: cipherHow 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 SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec.. SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal.. cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted anyone can help me give example..
Encryption error on Android 4.2 http://stackoverflow.com/questions/13383006/encryption-error-on-android-4-2 the given input with the provided mode. br @param the cipher mode @param the value to process @return the processed value.. skeySpec new SecretKeySpec getRawKey AES Cipher cipher Cipher.getInstance AES cipher.init mode skeySpec byte encrypted.. getRawKey AES Cipher cipher Cipher.getInstance AES cipher.init mode skeySpec byte encrypted cipher.doFinal value return..
Android 4.2 broke my encrypt/decrypt code and the provided solutions don't work http://stackoverflow.com/questions/13433529/android-4-2-broke-my-encrypt-decrypt-code-and-the-provided-solutions-dont-work SecretKeySpec skeySpec new SecretKeySpec rawKey AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec.. rawKey AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec return cipher.doFinal data.. AES cipher.init Cipher.ENCRYPT_MODE skeySpec return cipher.doFinal data public static byte decrypt byte data String seed..
How to downscale images correctly? http://stackoverflow.com/questions/16408505/how-to-downscale-images-correctly
AES gets different results in iOS and Java http://stackoverflow.com/questions/17535918/aes-gets-different-results-in-ios-and-java newEncrypt String text String key throws Exception Cipher cipher Cipher.getInstance AES CBC PKCS5Padding byte keyBytes new byte.. ivSpec new IvParameterSpec IV System.out.println ivSpec cipher.init Cipher.ENCRYPT_MODE keySpec ivSpec byte results cipher.doFinal.. Cipher.ENCRYPT_MODE keySpec ivSpec byte results cipher.doFinal text.getBytes UTF 8 String result DatatypeConverter.printBase64Binary..
http://stackoverflow.com/questions/3150830/android-encryption SecretKeySpec key new SecretKeySpec keyBytes AES Cipher cipher Cipher.getInstance AES ECB PKCS7Padding BC System.out.println.. BC System.out.println new String input encryption pass cipher.init Cipher.ENCRYPT_MODE key byte cipherText new byte cipher.getOutputSize.. encryption pass cipher.init Cipher.ENCRYPT_MODE key byte cipherText new byte cipher.getOutputSize input.length int ctLength..
BouncyCastle AES error when upgrading to 1.45 http://stackoverflow.com/questions/4405334/bouncycastle-aes-error-when-upgrading-to-1-45 SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec.. SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal.. cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted When using BC 1.45 I get this exception javax.crypto.BadPaddingException..
hiding strings in Obfuscated code http://stackoverflow.com/questions/4427238/hiding-strings-in-obfuscated-code encrypting the string to do this you would use a symmetric cipher like AES via javax.crypto.Cipher http www.androidsnippets.org..
android encryption/decryption with AES http://stackoverflow.com/questions/6788018/android-encryption-decryption-with-aes SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec.. SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal.. cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted private static byte decrypt byte..
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 Exception SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE.. skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte.. raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return..
Encryption error on Android 4.2 http://stackoverflow.com/questions/13383006/encryption-error-on-android-4-2 javax.crypto.BadPaddingException import javax.crypto.Cipher import javax.crypto.IllegalBlockSizeException import javax.crypto.KeyGenerator.. String encrypt String cleartext try byte result process Cipher.ENCRYPT_MODE cleartext.getBytes return toHex result catch.. try byte enc fromHex encrypted byte result process Cipher.DECRYPT_MODE enc return new String result catch Exception..
Android 4.2 broke my encrypt/decrypt code and the provided solutions don't work http://stackoverflow.com/questions/13433529/android-4-2-broke-my-encrypt-decrypt-code-and-the-provided-solutions-dont-work BaseBlockCipher.java 709 My code is quite simple.. BaseBlockCipher.java 709 My code is quite simple and was working until Android.. SecretKeySpec skeySpec new SecretKeySpec rawKey AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE..
http://stackoverflow.com/questions/17079579/aes-algo-decryption-issue e e.printStackTrace DescEncrypter.java import javax.crypto.Cipher import javax.crypto.SecretKey import javax.crypto.SecretKeyFactory.. solo informativo byte key secret.getEncoded La clase Cipher se usa para cifrar mediante algoritmos de clave sim矇trica Cipher.. se usa para cifrar mediante algoritmos de clave sim矇trica Cipher encryptionCipher Cipher.getInstance CIPHER_ALGORITHM byte iv..
AES gets different results in iOS and Java http://stackoverflow.com/questions/17535918/aes-gets-different-results-in-ios-and-java String newEncrypt String text String key throws Exception Cipher cipher Cipher.getInstance AES CBC PKCS5Padding byte keyBytes.. String text String key throws Exception Cipher cipher Cipher.getInstance AES CBC PKCS5Padding byte keyBytes new byte 16 byte.. IvParameterSpec IV System.out.println ivSpec cipher.init Cipher.ENCRYPT_MODE keySpec ivSpec byte results cipher.doFinal text.getBytes..
http://stackoverflow.com/questions/3150830/android-encryption import javax.crypto.Cipher import javax.crypto.spec.SecretKeySpec public class MainClass.. 0x16 0x17 SecretKeySpec key new SecretKeySpec keyBytes AES Cipher cipher Cipher.getInstance AES ECB PKCS7Padding BC System.out.println.. key new SecretKeySpec keyBytes AES Cipher cipher Cipher.getInstance AES ECB PKCS7Padding BC System.out.println new String..
How to encrypt and decrypt file in Android? http://stackoverflow.com/questions/4275311/how-to-encrypt-and-decrypt-file-in-android security encryption share improve this question Use a CipherOutputStream or CipherInputStream with a Cipher and your FileOutputStream.. share improve this question Use a CipherOutputStream or CipherInputStream with a Cipher and your FileOutputStream FileInputStream.. Use a CipherOutputStream or CipherInputStream with a Cipher and your FileOutputStream FileInputStream . I would suggest..
BouncyCastle AES error when upgrading to 1.45 http://stackoverflow.com/questions/4405334/bouncycastle-aes-error-when-upgrading-to-1-45 following SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE.. skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec byte.. raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted..
android encryption/decryption with AES http://stackoverflow.com/questions/6788018/android-encryption-decryption-with-aes Exception SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE.. skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte.. raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return..
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 static byte encrypt byte raw byte clear throws Exception SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted anyone.. raw byte clear throws Exception SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted anyone can help me give example code.. new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted anyone can help me give example code how to encrypt an image with AES maybe it must using..
Encryption error on Android 4.2 http://stackoverflow.com/questions/13383006/encryption-error-on-android-4-2 SecretKey skey kgen.generateKey return skey.getEncoded Process the given input with the provided mode. br @param the cipher mode @param the value to process @return the processed value as byte @throws InvalidKeyException @throws IllegalBlockSizeException.. NoSuchAlgorithmException NoSuchPaddingException SecretKeySpec skeySpec new SecretKeySpec getRawKey AES Cipher cipher Cipher.getInstance AES cipher.init mode skeySpec byte encrypted cipher.doFinal value return encrypted Decode an HEX encoded.. NoSuchPaddingException SecretKeySpec skeySpec new SecretKeySpec getRawKey AES Cipher cipher Cipher.getInstance AES cipher.init mode skeySpec byte encrypted cipher.doFinal value return encrypted Decode an HEX encoded string into a byte . br ..
Android 4.2 broke my encrypt/decrypt code and the provided solutions don't work http://stackoverflow.com/questions/13433529/android-4-2-broke-my-encrypt-decrypt-code-and-the-provided-solutions-dont-work seckey keygen.generateKey byte rawKey seckey.getEncoded SecretKeySpec skeySpec new SecretKeySpec rawKey AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec return cipher.doFinal data public static byte decrypt byte.. byte rawKey seckey.getEncoded SecretKeySpec skeySpec new SecretKeySpec rawKey AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec return cipher.doFinal data public static byte decrypt byte data String seed throws Exception.. new SecretKeySpec rawKey AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec return cipher.doFinal data public static byte decrypt byte data String seed throws Exception KeyGenerator keygen KeyGenerator.getInstance..
How to downscale images correctly? http://stackoverflow.com/questions/16408505/how-to-downscale-images-correctly
AES gets different results in iOS and Java http://stackoverflow.com/questions/17535918/aes-gets-different-results-in-ios-and-java 1 2 23 4 5 6 7 32 21 10 11 12 13 84 45 public static String newEncrypt String text String key throws Exception Cipher cipher Cipher.getInstance AES CBC PKCS5Padding byte keyBytes new byte 16 byte b key.getBytes UTF 8 int len 16 System.arraycopy.. keySpec new SecretKeySpec keyBytes AES IvParameterSpec ivSpec new IvParameterSpec IV System.out.println ivSpec cipher.init Cipher.ENCRYPT_MODE keySpec ivSpec byte results cipher.doFinal text.getBytes UTF 8 String result DatatypeConverter.printBase64Binary.. ivSpec new IvParameterSpec IV System.out.println ivSpec cipher.init Cipher.ENCRYPT_MODE keySpec ivSpec byte results cipher.doFinal text.getBytes UTF 8 String result DatatypeConverter.printBase64Binary results return result The string I wanted..
http://stackoverflow.com/questions/3150830/android-encryption 0x0c 0x0d 0x0e 0x0f 0x10 0x11 0x12 0x13 0x14 0x15 0x16 0x17 SecretKeySpec key new SecretKeySpec keyBytes AES Cipher cipher Cipher.getInstance AES ECB PKCS7Padding BC System.out.println new String input encryption pass cipher.init Cipher.ENCRYPT_MODE.. AES Cipher cipher Cipher.getInstance AES ECB PKCS7Padding BC System.out.println new String input encryption pass cipher.init Cipher.ENCRYPT_MODE key byte cipherText new byte cipher.getOutputSize input.length int ctLength cipher.update input.. AES ECB PKCS7Padding BC System.out.println new String input encryption pass cipher.init Cipher.ENCRYPT_MODE key byte cipherText new byte cipher.getOutputSize input.length int ctLength cipher.update input 0 input.length cipherText 0 ctLength cipher.doFinal..
BouncyCastle AES error when upgrading to 1.45 http://stackoverflow.com/questions/4405334/bouncycastle-aes-error-when-upgrading-to-1-45 I'm decoding some previously encoded data with the following SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted When using BC 1.45.. encoded data with the following SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted When using BC 1.45 I get this exception javax.crypto.BadPaddingException.. new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted When using BC 1.45 I get this exception javax.crypto.BadPaddingException pad block corrupted at org.bouncycastle.jce.provider.JCEBlockCipher.engineDoFinal..
hiding strings in Obfuscated code http://stackoverflow.com/questions/4427238/hiding-strings-in-obfuscated-code against something more then you could move to actually encrypting the string to do this you would use a symmetric cipher like AES via javax.crypto.Cipher http www.androidsnippets.org snippets 39 index.html provides a decent usage example. Again..
android encryption/decryption with AES http://stackoverflow.com/questions/6788018/android-encryption-decryption-with-aes static byte encrypt byte raw byte clear throws Exception SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted private.. raw byte clear throws Exception SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted private static byte decrypt byte.. new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted private static byte decrypt byte raw byte encrypted throws Exception SecretKeySpec skeySpec..
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 private static byte encrypt byte raw byte clear throws Exception SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted.. byte encrypt byte raw byte clear throws Exception SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted anyone can.. throws Exception SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted anyone can help me give example code how to encrypt..
Encryption error on Android 4.2 http://stackoverflow.com/questions/13383006/encryption-error-on-android-4-2 import java.security.SecureRandom import javax.crypto.BadPaddingException import javax.crypto.Cipher import javax.crypto.IllegalBlockSizeException import javax.crypto.KeyGenerator import javax.crypto.NoSuchPaddingException.. to encrypt @return the encrypted string in HEX 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.. decrypted string public static String decrypt String encrypted try byte enc fromHex encrypted byte result process Cipher.DECRYPT_MODE enc return new String result catch Exception e System.out.println TAG decrypt e.getMessage return null..
Android 4.2 broke my encrypt/decrypt code and the provided solutions don't work http://stackoverflow.com/questions/13433529/android-4-2-broke-my-encrypt-decrypt-code-and-the-provided-solutions-dont-work pad block corrupted at com.android.org.bouncycastle.jcajce.provider.symmetric.util.BaseBlockCipher.engineDoFinal BaseBlockCipher.java 709 My code is quite simple and was working until Android 4.2 public static byte encrypt.. block corrupted at com.android.org.bouncycastle.jcajce.provider.symmetric.util.BaseBlockCipher.engineDoFinal BaseBlockCipher.java 709 My code is quite simple and was working until Android 4.2 public static byte encrypt byte data String seed throws.. SecretKey seckey keygen.generateKey byte rawKey seckey.getEncoded SecretKeySpec skeySpec new SecretKeySpec rawKey AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec return cipher.doFinal data public static byte decrypt..
http://stackoverflow.com/questions/17079579/aes-algo-decryption-issue ec.decrypt hi cipherText catch UnsupportedEncodingException e e.printStackTrace DescEncrypter.java import javax.crypto.Cipher import javax.crypto.SecretKey import javax.crypto.SecretKeyFactory import javax.crypto.spec.IvParameterSpec import javax.crypto.spec.PBEKeySpec.. secret new SecretKeySpec tmp.getEncoded AES Obtenemos la llave solo informativo byte key secret.getEncoded La clase Cipher se usa para cifrar mediante algoritmos de clave sim矇trica Cipher encryptionCipher Cipher.getInstance CIPHER_ALGORITHM byte.. solo informativo byte key secret.getEncoded La clase Cipher se usa para cifrar mediante algoritmos de clave sim矇trica Cipher encryptionCipher Cipher.getInstance CIPHER_ALGORITHM byte iv generateIv IvParameterSpec ivspec new IvParameterSpec iv..
AES gets different results in iOS and Java http://stackoverflow.com/questions/17535918/aes-gets-different-results-in-ios-and-java IV 65 1 2 23 4 5 6 7 32 21 10 11 12 13 84 45 public static String newEncrypt String text String key throws Exception Cipher cipher Cipher.getInstance AES CBC PKCS5Padding byte keyBytes new byte 16 byte b key.getBytes UTF 8 int len 16 System.arraycopy.. 4 5 6 7 32 21 10 11 12 13 84 45 public static String newEncrypt String text String key throws Exception Cipher cipher Cipher.getInstance AES CBC PKCS5Padding byte keyBytes new byte 16 byte b key.getBytes UTF 8 int len 16 System.arraycopy b 0 keyBytes.. new SecretKeySpec keyBytes AES IvParameterSpec ivSpec new IvParameterSpec IV System.out.println ivSpec cipher.init Cipher.ENCRYPT_MODE keySpec ivSpec byte results cipher.doFinal text.getBytes UTF 8 String result DatatypeConverter.printBase64Binary..
http://stackoverflow.com/questions/3150830/android-encryption from http www.java2s.com Code Java Security EncryptionanddecryptionwithAESECBPKCS7Padding.htm import javax.crypto.Cipher import javax.crypto.spec.SecretKeySpec public class MainClass public static void main String args throws Exception Security.addProvider.. 0x0b 0x0c 0x0d 0x0e 0x0f 0x10 0x11 0x12 0x13 0x14 0x15 0x16 0x17 SecretKeySpec key new SecretKeySpec keyBytes AES Cipher cipher Cipher.getInstance AES ECB PKCS7Padding BC System.out.println new String input encryption pass cipher.init Cipher.ENCRYPT_MODE.. 0x0d 0x0e 0x0f 0x10 0x11 0x12 0x13 0x14 0x15 0x16 0x17 SecretKeySpec key new SecretKeySpec keyBytes AES Cipher cipher Cipher.getInstance AES ECB PKCS7Padding BC System.out.println new String input encryption pass cipher.init Cipher.ENCRYPT_MODE..
How to encrypt and decrypt file in Android? http://stackoverflow.com/questions/4275311/how-to-encrypt-and-decrypt-file-in-android it is not working. I want some idea how to do this. android security encryption share improve this question Use a CipherOutputStream or CipherInputStream with a Cipher and your FileOutputStream FileInputStream . I would suggest something like.. some idea how to do this. android security encryption share improve this question Use a CipherOutputStream or CipherInputStream with a Cipher and your FileOutputStream FileInputStream . I would suggest something like Cipher.getInstance AES.. android security encryption share improve this question Use a CipherOutputStream or CipherInputStream with a Cipher and your FileOutputStream FileInputStream . I would suggest something like Cipher.getInstance AES CBC PKCS5Padding for creating..
BouncyCastle AES error when upgrading to 1.45 http://stackoverflow.com/questions/4405334/bouncycastle-aes-error-when-upgrading-to-1-45 to 1.45. I'm decoding some previously encoded data with the following SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted When using.. some previously encoded data with the following SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted When using BC 1.45 I get.. with the following SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted When using BC 1.45 I get this exception javax.crypto.BadPaddingException..
android encryption/decryption with AES http://stackoverflow.com/questions/6788018/android-encryption-decryption-with-aes private static byte encrypt byte raw byte clear throws Exception SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted.. byte encrypt byte raw byte clear throws Exception SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted private static.. throws Exception SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted private static byte decrypt byte raw byte encrypted..
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