android Programming Glossary: secretkey

Encryption error on Android 4.2

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

javax.crypto.NoSuchPaddingException import javax.crypto.SecretKey import javax.crypto.spec.SecretKeySpec Util class to perform.. import javax.crypto.SecretKey import javax.crypto.spec.SecretKeySpec Util class to perform encryption decryption over strings... SHA1PRNG sr.setSeed KEY.getBytes kgen.init 128 sr SecretKey skey kgen.generateKey return skey.getEncoded Process the given..

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

secrand.setSeed seed.getBytes keygen.init 128 secrand SecretKey seckey keygen.generateKey byte rawKey seckey.getEncoded SecretKeySpec.. seckey keygen.generateKey byte rawKey seckey.getEncoded SecretKeySpec skeySpec new SecretKeySpec rawKey AES Cipher cipher Cipher.getInstance.. byte rawKey seckey.getEncoded SecretKeySpec skeySpec new SecretKeySpec rawKey AES Cipher cipher Cipher.getInstance AES cipher.init..

AES algo - Decryption Issue

http://stackoverflow.com/questions/17079579/aes-algo-decryption-issue

http developer.android.com reference javax crypto SecretKeyFactory.html Check the above links. Use the below for reference.Modify.. import javax.crypto.Cipher import javax.crypto.SecretKey import javax.crypto.SecretKeyFactory import javax.crypto.spec.IvParameterSpec.. import javax.crypto.SecretKey import javax.crypto.SecretKeyFactory import javax.crypto.spec.IvParameterSpec import javax.crypto.spec.PBEKeySpec..

AES gets different results in iOS and Java

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

throws Exception String password kayvan String key TheBestSecretKey String newPasswordEnc AESencrp.newEncrypt password key System.out.println.. UTF 8 int len 16 System.arraycopy b 0 keyBytes 0 len SecretKeySpec keySpec new SecretKeySpec keyBytes AES IvParameterSpec ivSpec.. b 0 keyBytes 0 len SecretKeySpec keySpec new SecretKeySpec keyBytes AES IvParameterSpec ivSpec new IvParameterSpec..

Encryption compatable between Android and C#

http://stackoverflow.com/questions/2090765/encryption-compatable-between-android-and-c-sharp

TAG smsfwd private static Cipher aesCipher private static SecretKey secretKey private static IvParameterSpec ivParameterSpec private.. byte key share between Java and C# private static byte rawSecretKey 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00.. e Log.e TAG No such padding PKCS5 e secretKey new SecretKeySpec passwordKey CIPHER_ALGORITHM ivParameterSpec new IvParameterSpec..

BouncyCastle AES error when upgrading to 1.45

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

decoding some previously encoded data with the following SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance.. encoded data with the following SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init.. SHA1PRNG Crypto sr.setSeed seed kgen.init 128 sr SecretKey skey kgen.generateKey byte raw skey.getEncoded What I have found..

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.. raw byte clear throws Exception SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init.. byte decrypt byte raw byte encrypted throws Exception SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance..

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

import javax.crypto.Cipher import javax.crypto.SecretKey import javax.crypto.SecretKeyFactory import javax.crypto.spec.IvParameterSpec.. import javax.crypto.SecretKey import javax.crypto.SecretKeyFactory import javax.crypto.spec.IvParameterSpec import javax.crypto.spec.PBEKeySpec.. javax.crypto.spec.PBEKeySpec import javax.crypto.spec.SecretKeySpec public class AdvancedCrypto implements ICrypto public static..

Encryption of video files?

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

byte raw byte clear throws EncrypterException try final SecretKeySpec skeySpec new SecretKeySpec raw AES final Cipher cipher Cipher.getInstance.. EncrypterException try final SecretKeySpec skeySpec new SecretKeySpec raw AES final Cipher cipher Cipher.getInstance AES cipher.init.. 0x00 0x00 0x00 0x23 0x00 0x00 0x00 0x00 0x00 0x00 0x00 SecretKey skey kgen.generateKey Lgo encipher.init Cipher.ENCRYPT_MODE..

why TwitterApp give VerifyError?

http://stackoverflow.com/questions/11667184/why-twitterapp-give-verifyerror

TwitterApp Activity context String consumerKey String secretKey this.context context mTwitter new TwitterFactory .getInstance.. mConsumerKey consumerKey mSecretKey secretKey mHttpOauthConsumer new CommonsHttpOAuthConsumer mConsumerKey..

In Android -How directly post tweet to following users of a authenticate user in android without open Tweet dialog (Message Dialog box)

http://stackoverflow.com/questions/13134629/in-android-how-directly-post-tweet-to-following-users-of-a-authenticate-user-in

TwitterApp Context context String consumerKey String secretKey this.context context mTwitter new TwitterFactory .getInstance.. mConsumerKey consumerKey mSecretKey secretKey mHttpOauthConsumer new CommonsHttpOAuthConsumer mConsumerKey..

Encryption compatable between Android and C#

http://stackoverflow.com/questions/2090765/encryption-compatable-between-android-and-c-sharp

private static Cipher aesCipher private static SecretKey secretKey private static IvParameterSpec ivParameterSpec private static.. e Log.e TAG No such padding PKCS5 e secretKey new SecretKeySpec passwordKey CIPHER_ALGORITHM ivParameterSpec.. byte clearData try aesCipher.init Cipher.ENCRYPT_MODE secretKey ivParameterSpec catch InvalidKeyException e Log.e TAG Invalid..

Encryption error on Android 4.2

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

import javax.crypto.KeyGenerator import javax.crypto.NoSuchPaddingException import javax.crypto.SecretKey import javax.crypto.spec.SecretKeySpec Util class to perform encryption decryption over strings. br public final class UtilsEncryption.. import javax.crypto.NoSuchPaddingException import javax.crypto.SecretKey import javax.crypto.spec.SecretKeySpec Util class to perform encryption decryption over strings. br public final class UtilsEncryption The logging TAG private.. AES SecureRandom sr SecureRandom.getInstance SHA1PRNG sr.setSeed KEY.getBytes kgen.init 128 sr SecretKey skey kgen.generateKey return skey.getEncoded Process the given input with the provided mode. br @param the cipher mode..

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 SecureRandom secrand SecureRandom.getInstance SHA1PRNG secrand.setSeed seed.getBytes keygen.init 128 secrand SecretKey seckey keygen.generateKey byte rawKey seckey.getEncoded SecretKeySpec skeySpec new SecretKeySpec rawKey AES Cipher cipher.. seed.getBytes keygen.init 128 secrand 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.. keygen.init 128 secrand 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..

AES algo - Decryption Issue

http://stackoverflow.com/questions/17079579/aes-algo-decryption-issue

2013 02 using cryptography to store credentials.html http developer.android.com reference javax crypto SecretKeyFactory.html Check the above links. Use the below for reference.Modify the below according to your needs. Usage try DescEncrypter.. 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 import.. 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 import javax.crypto.spec.SecretKeySpec..

AES gets different results in iOS and Java

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

nil and the Java code is public static void main String args throws Exception String password kayvan String key TheBestSecretKey String newPasswordEnc AESencrp.newEncrypt password key System.out.println Encrypted Text newPasswordEnc and in another java.. CBC PKCS5Padding byte keyBytes new byte 16 byte b key.getBytes UTF 8 int len 16 System.arraycopy b 0 keyBytes 0 len SecretKeySpec keySpec new SecretKeySpec keyBytes AES IvParameterSpec ivSpec new IvParameterSpec IV System.out.println ivSpec cipher.init.. new byte 16 byte b key.getBytes UTF 8 int len 16 System.arraycopy b 0 keyBytes 0 len SecretKeySpec keySpec new SecretKeySpec keyBytes AES IvParameterSpec ivSpec new IvParameterSpec IV System.out.println ivSpec cipher.init Cipher.ENCRYPT_MODE..

Encryption compatable between Android and C#

http://stackoverflow.com/questions/2090765/encryption-compatable-between-android-and-c-sharp

public class Crypto public static final String TAG smsfwd private static Cipher aesCipher private static SecretKey secretKey private static IvParameterSpec ivParameterSpec private static String CIPHER_TRANSFORMATION AES CBC PKCS5Padding.. static String CIPHER_ALGORITHM AES Replace me with a 16 byte key share between Java and C# private static byte rawSecretKey 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 private static String MESSAGEDIGEST_ALGORITHM.. No such algorithm CIPHER_ALGORITHM e catch NoSuchPaddingException e Log.e TAG No such padding PKCS5 e secretKey new SecretKeySpec passwordKey CIPHER_ALGORITHM ivParameterSpec new IvParameterSpec rawSecretKey public String encryptAsBase64 byte clearData..

BouncyCastle AES error when upgrading to 1.45

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

to 1.45 Recently upgraded from BC 1.34 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.. upgraded from BC 1.34 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.. AES BC SecureRandom sr SecureRandom.getInstance SHA1PRNG Crypto sr.setSeed seed kgen.init 128 sr SecretKey skey kgen.generateKey byte raw skey.getEncoded What I have found is that this results in two different values for BC 1.34..

android encryption/decryption with AES

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

this question You could use functions like these 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.. use functions like these 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.. encrypted cipher.doFinal clear return encrypted private static byte decrypt byte raw byte encrypted throws Exception SecretKeySpec skeySpec new SecretKeySpec raw AES Cipher cipher Cipher.getInstance AES cipher.init Cipher.DECRYPT_MODE skeySpec byte..

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

java.security.NoSuchProviderException import java.security.SecureRandom import javax.crypto.Cipher import javax.crypto.SecretKey import javax.crypto.SecretKeyFactory import javax.crypto.spec.IvParameterSpec import javax.crypto.spec.PBEKeySpec import.. import java.security.SecureRandom import javax.crypto.Cipher import javax.crypto.SecretKey import javax.crypto.SecretKeyFactory import javax.crypto.spec.IvParameterSpec import javax.crypto.spec.PBEKeySpec import javax.crypto.spec.SecretKeySpec.. import javax.crypto.spec.IvParameterSpec import javax.crypto.spec.PBEKeySpec import javax.crypto.spec.SecretKeySpec public class AdvancedCrypto implements ICrypto public static final String PROVIDER BC public static final int SALT_LENGTH..

Encryption of video files?

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

e throw new EncrypterException e private static byte encrypt byte raw byte clear throws EncrypterException try final SecretKeySpec skeySpec new SecretKeySpec raw AES final Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec.. e private static byte encrypt byte raw byte clear throws EncrypterException try final SecretKeySpec skeySpec new SecretKeySpec raw AES final Cipher cipher Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec return cipher.doFinal clear.. AES byte key 0x00 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..

why TwitterApp give VerifyError?

http://stackoverflow.com/questions/11667184/why-twitterapp-give-verifyerror

public static final String MESSAGE Hello Everyone.... public TwitterApp Activity context String consumerKey String secretKey this.context context mTwitter new TwitterFactory .getInstance mSession new TwitterSession context mProgressDlg new ProgressDialog.. ProgressDialog context mProgressDlg.requestWindowFeature Window.FEATURE_NO_TITLE mConsumerKey consumerKey mSecretKey secretKey mHttpOauthConsumer new CommonsHttpOAuthConsumer mConsumerKey mSecretKey String request_url TWITTER_REQUEST_URL String access_token_url..

In Android -How directly post tweet to following users of a authenticate user in android without open Tweet dialog (Message Dialog box)

http://stackoverflow.com/questions/13134629/in-android-how-directly-post-tweet-to-following-users-of-a-authenticate-user-in

String AUTHORIZE_URL http api.twitter.com oauth authorize public TwitterApp Context context String consumerKey String secretKey this.context context mTwitter new TwitterFactory .getInstance mSession new TwitterSession context mProgressDlg new ProgressDialog.. ProgressDialog context mProgressDlg.requestWindowFeature Window.FEATURE_NO_TITLE mConsumerKey consumerKey mSecretKey secretKey mHttpOauthConsumer new CommonsHttpOAuthConsumer mConsumerKey mSecretKey mHttpOauthprovider new DefaultOAuthProvider REQUEST_URL..

Encryption compatable between Android and C#

http://stackoverflow.com/questions/2090765/encryption-compatable-between-android-and-c-sharp

public class Crypto public static final String TAG smsfwd private static Cipher aesCipher private static SecretKey secretKey private static IvParameterSpec ivParameterSpec private static String CIPHER_TRANSFORMATION AES CBC PKCS5Padding private.. e Log.e TAG No such algorithm CIPHER_ALGORITHM e catch NoSuchPaddingException e Log.e TAG No such padding PKCS5 e secretKey new SecretKeySpec passwordKey CIPHER_ALGORITHM ivParameterSpec new IvParameterSpec rawSecretKey public String encryptAsBase64.. encryptedData public byte encrypt byte clearData try aesCipher.init Cipher.ENCRYPT_MODE secretKey ivParameterSpec catch InvalidKeyException e Log.e TAG Invalid key e return null catch InvalidAlgorithmParameterException..

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