android Programming Glossary: cipher.dofinal

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

cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted anyone can help me give example code..

not decrypting what I crypted

http://stackoverflow.com/questions/12198228/not-decrypting-what-i-crypted

key1 cipher.getParameters byte encrypted cipher.doFinal value SecretKeySpec key2 getSecretKeySpec false cipher Cipher.getInstance.. key2 cipher.getParameters byte encrypted2 cipher.doFinal encrypted return Base64Coder.encode encrypted2 public static.. cipher.init Cipher.DECRYPT_MODE key1 byte decrypted cipher.doFinal Base64Coder.decode message SecretKeySpec key2 getSecretKeySpec..

Encryption error on Android 4.2

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

AES cipher.init mode skeySpec byte encrypted cipher.doFinal value return encrypted Decode an HEX encoded string into a.. The line throwing the exception is byte encrypted cipher.doFinal value The full stack trace is W package .UtilsEncryption decrypt..

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

AES cipher.init Cipher.ENCRYPT_MODE skeySpec return cipher.doFinal data public static byte decrypt byte data String seed throws.. AES cipher.init Cipher.DECRYPT_MODE skeySpec return cipher.doFinal data My guess is that the default provider wasn't the only thing..

AES gets different results in iOS and Java

http://stackoverflow.com/questions/17535918/aes-gets-different-results-in-ios-and-java

Cipher.ENCRYPT_MODE keySpec ivSpec byte results cipher.doFinal text.getBytes UTF 8 String result DatatypeConverter.printBase64Binary.. String encrypedValue Base64.encodeToString cipher.doFinal clearText Base64.DEFAULT Log.d TAG Encrypted text encrypedValue.. key ivParameterSpec byte decrypedValueBytes cipher.doFinal encrypedPwdBytes String decrypedValue new String decrypedValueBytes..

Android encryption

http://stackoverflow.com/questions/3150830/android-encryption

cipher.update input 0 input.length cipherText 0 ctLength cipher.doFinal cipherText ctLength System.out.println new String cipherText.. cipher.update cipherText 0 ctLength plainText 0 ptLength cipher.doFinal plainText ptLength System.out.println new String plainText System.out.println..

BouncyCastle AES error when upgrading to 1.45

http://stackoverflow.com/questions/4405334/bouncycastle-aes-error-when-upgrading-to-1-45

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

cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted private static byte decrypt byte raw.. cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted return decrypted And invoke them like this ByteArrayOutputStream..

Encrypt and decrypt data for Android app-client

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

cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted private static byte decrypt byte raw.. cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted return decrypted public static String toHex String..

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

cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear return encrypted private static byte decrypt byte raw.. cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted return decrypted public static String toHex String..

Encryption of video files?

http://stackoverflow.com/questions/9496447/encryption-of-video-files

AES cipher.init Cipher.ENCRYPT_MODE skeySpec return cipher.doFinal clear catch Exception e throw new EncrypterException e But It..

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

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 i o file..

not decrypting what I crypted

http://stackoverflow.com/questions/12198228/not-decrypting-what-i-crypted

Cipher cipher Cipher.getInstance CRYPTOSYS cipher.init Cipher.ENCRYPT_MODE key1 cipher.getParameters byte encrypted cipher.doFinal value SecretKeySpec key2 getSecretKeySpec false cipher Cipher.getInstance CRYPTOSYS cipher.init Cipher.ENCRYPT_MODE key2.. false cipher Cipher.getInstance CRYPTOSYS cipher.init Cipher.ENCRYPT_MODE key2 cipher.getParameters byte encrypted2 cipher.doFinal encrypted return Base64Coder.encode encrypted2 public static byte decrypt2 char message throws GeneralSecurityException.. decrypt t key1.toString Cipher cipher Cipher.getInstance CRYPTOSYS cipher.init Cipher.DECRYPT_MODE key1 byte decrypted cipher.doFinal Base64Coder.decode message SecretKeySpec key2 getSecretKeySpec true cipher Cipher.getInstance CRYPTOSYS cipher.init Cipher.DECRYPT_MODE..

Encryption error on Android 4.2

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

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 @param the HEX string value @return the decoded byte.. 0 assertEquals Something went wrong ORIGINAL decrypted The line throwing the exception is byte encrypted cipher.doFinal value The full stack trace is W package .UtilsEncryption decrypt 16414 pad block corrupted W System.err 16414 javax.crypto.BadPaddingException..

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

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 AES.. new SecretKeySpec rawKey AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec return cipher.doFinal data My guess is that the default provider wasn't the only thing that changed in Android 4.2 otherwise my code would work..

AES gets different results in iOS and Java

http://stackoverflow.com/questions/17535918/aes-gets-different-results-in-ios-and-java

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 to encrypt.. CBC PKCS7Padding cipher.init Cipher.ENCRYPT_MODE skeySpec ivParameterSpec String encrypedValue Base64.encodeToString cipher.doFinal clearText Base64.DEFAULT Log.d TAG Encrypted text encrypedValue return encrypedValue catch InvalidKeyException e e.printStackTrace.. Cipher.getInstance AES CBC PKCS7Padding cipher.init Cipher.DECRYPT_MODE key ivParameterSpec byte decrypedValueBytes cipher.doFinal encrypedPwdBytes String decrypedValue new String decrypedValueBytes Log.d TAG Decrypted text decrypedValue return decrypedValue..

Android encryption

http://stackoverflow.com/questions/3150830/android-encryption

new byte cipher.getOutputSize input.length int ctLength cipher.update input 0 input.length cipherText 0 ctLength cipher.doFinal cipherText ctLength System.out.println new String cipherText System.out.println ctLength decryption pass cipher.init Cipher.DECRYPT_MODE..

BouncyCastle AES error when upgrading to 1.45

http://stackoverflow.com/questions/4405334/bouncycastle-aes-error-when-upgrading-to-1-45

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..

android encryption/decryption with AES

http://stackoverflow.com/questions/6788018/android-encryption-decryption-with-aes

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 new SecretKeySpec.. new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted return decrypted And invoke them like this ByteArrayOutputStream baos new ByteArrayOutputStream bm.compress Bitmap.CompressFormat.PNG..

Encrypt and decrypt data for Android app-client

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

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 new SecretKeySpec.. new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES 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..

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

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 new SecretKeySpec.. new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES 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..

Encryption of video files?

http://stackoverflow.com/questions/9496447/encryption-of-video-files

new SecretKeySpec raw AES final Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec return cipher.doFinal clear catch Exception e throw new EncrypterException e But It gives an error Outofmemoryerror saying rejecting allocation..

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