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2014/10/16 ¤W¤È 08:11:11
android Programming Glossary: cipher.initHow 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 raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear.. AES Create cipher Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE sks Wrap the output stream CipherOutputStream.. .getBytes AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE sks CipherInputStream cis new CipherInputStream..
Encryption error on Android 4.2 http://stackoverflow.com/questions/13383006/encryption-error-on-android-4-2 getRawKey AES Cipher cipher Cipher.getInstance AES cipher.init mode skeySpec byte encrypted cipher.doFinal value return encrypted..
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 rawKey AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec return cipher.doFinal data public.. rawKey AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec return cipher.doFinal data My guess..
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.. safe Cipher cipher Cipher.getInstance AES CBC PKCS7Padding cipher.init Cipher.ENCRYPT_MODE skeySpec ivParameterSpec String encrypedValue.. safe Cipher cipher Cipher.getInstance AES CBC PKCS7Padding cipher.init Cipher.DECRYPT_MODE key ivParameterSpec byte decrypedValueBytes..
http://stackoverflow.com/questions/3150830/android-encryption BC System.out.println new String input encryption pass cipher.init Cipher.ENCRYPT_MODE key byte cipherText new byte cipher.getOutputSize.. cipherText System.out.println ctLength decryption pass cipher.init Cipher.DECRYPT_MODE key byte plainText new byte cipher.getOutputSize..
BouncyCastle AES error when upgrading to 1.45 http://stackoverflow.com/questions/4405334/bouncycastle-aes-error-when-upgrading-to-1-45 SecretKeySpec 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 SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear.. SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted..
Encrypt and decrypt data for Android app-client http://stackoverflow.com/questions/8397213/encrypt-and-decrypt-data-for-android-app-client SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear.. SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted..
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 SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec byte encrypted cipher.doFinal clear.. SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec byte decrypted cipher.doFinal encrypted..
Bitmap decodeStream OutOfMemory Exception http://stackoverflow.com/questions/8624086/bitmap-decodestream-outofmemory-exception ivSpec new IvParameterSpec fedcba9876543210 .getBytes cipher.init Cipher.DECRYPT_MODE keySpec ivSpec CipherInputStream cis new..
http://stackoverflow.com/questions/9496447/encryption-of-video-files raw AES final Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec return cipher.doFinal clear catch.. 0x00 0x00 0x00 0x00 SecretKey skey kgen.generateKey Lgo encipher.init Cipher.ENCRYPT_MODE skey CipherInputStream cis new CipherInputStream.. CipherInputStream cis new CipherInputStream fis encipher decipher.init Cipher.DECRYPT_MODE skey CipherOutputStream cos new CipherOutputStream..
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 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 how.. SecretKeySpec sks new SecretKeySpec MyDifficultPassw .getBytes AES Create cipher Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE sks Wrap the output stream CipherOutputStream cos new CipherOutputStream fos cipher Write bytes int.. data decrypted SecretKeySpec sks new SecretKeySpec MyDifficultPassw .getBytes AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE sks CipherInputStream cis new CipherInputStream fis cipher int b byte d new byte 8 while b cis.read..
Encryption error on Android 4.2 http://stackoverflow.com/questions/13383006/encryption-error-on-android-4-2 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 @param..
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 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.. byte rawKey seckey.getEncoded SecretKeySpec skeySpec 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..
AES gets different results in iOS and Java http://stackoverflow.com/questions/17535918/aes-gets-different-results-in-ios-and-java 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.. ivParameterSpec new IvParameterSpec iv Cipher is not thread safe Cipher cipher Cipher.getInstance AES CBC PKCS7Padding cipher.init Cipher.ENCRYPT_MODE skeySpec ivParameterSpec String encrypedValue Base64.encodeToString cipher.doFinal clearText Base64.DEFAULT.. Base64.decode text Base64.DEFAULT cipher is not thread safe Cipher cipher Cipher.getInstance AES CBC PKCS7Padding cipher.init Cipher.DECRYPT_MODE key ivParameterSpec byte decrypedValueBytes cipher.doFinal encrypedPwdBytes String decrypedValue new..
http://stackoverflow.com/questions/3150830/android-encryption 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 0 input.length.. cipherText ctLength System.out.println new String cipherText System.out.println ctLength decryption pass cipher.init Cipher.DECRYPT_MODE key byte plainText new byte cipher.getOutputSize ctLength int ptLength cipher.update cipherText 0 ctLength..
BouncyCastle AES error when upgrading to 1.45 http://stackoverflow.com/questions/4405334/bouncycastle-aes-error-when-upgrading-to-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..
android encryption/decryption with AES http://stackoverflow.com/questions/6788018/android-encryption-decryption-with-aes 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 raw byte.. byte encrypted throws Exception SecretKeySpec skeySpec 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..
Encrypt and decrypt data for Android app-client http://stackoverflow.com/questions/8397213/encrypt-and-decrypt-data-for-android-app-client 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 raw byte.. byte encrypted throws Exception SecretKeySpec skeySpec 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..
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 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 raw byte.. byte encrypted throws Exception SecretKeySpec skeySpec 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..
Bitmap decodeStream OutOfMemory Exception http://stackoverflow.com/questions/8624086/bitmap-decodestream-outofmemory-exception new SecretKeySpec 01234567890abcde .getBytes AES IvParameterSpec ivSpec new IvParameterSpec fedcba9876543210 .getBytes cipher.init Cipher.DECRYPT_MODE keySpec ivSpec CipherInputStream cis new CipherInputStream fis cipher BitmapFactory.Options o new BitmapFactory.Options..
http://stackoverflow.com/questions/9496447/encryption-of-video-files try final SecretKeySpec skeySpec 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.. 0x32 0x22 0x11 0x00 0x00 0x00 0x00 0x00 0x23 0x00 0x00 0x00 0x00 0x00 0x00 0x00 SecretKey skey kgen.generateKey Lgo encipher.init Cipher.ENCRYPT_MODE skey CipherInputStream cis new CipherInputStream fis encipher decipher.init Cipher.DECRYPT_MODE skey.. kgen.generateKey Lgo encipher.init Cipher.ENCRYPT_MODE skey CipherInputStream cis new CipherInputStream fis encipher decipher.init Cipher.DECRYPT_MODE skey CipherOutputStream cos new CipherOutputStream decfos decipher while read cis.read 1 fos.write..
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