2014/10/16 上午 08:23:36

android Programming Glossary: securerandom.getinstance

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

kgen KeyGenerator.getInstance AES SecureRandom sr SecureRandom.getInstance SHA1PRNG sr.setSeed seed kgen.init 128 sr 192 and 256 bits..

Encryption error on Android 4.2

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

kgen KeyGenerator.getInstance AES SecureRandom sr SecureRandom.getInstance SHA1PRNG sr.setSeed KEY.getBytes kgen.init 128 sr SecretKey.. on pre Android 4.2 and Android 4.2 SecureRandom rand SecureRandom.getInstance SHA1PRNG Log.i TAG rand.getProvider rand.getProvider .getName.. it's easy to revert to the old behavior SecureRandom sr SecureRandom.getInstance SHA1PRNG Crypto To be sure it's dangerous to be calling SecureRandom.setSeed..

Android 4.2 broke my AES encrypt/decrypt code

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

kgen KeyGenerator.getInstance AES SecureRandom sr SecureRandom.getInstance SHA1PRNG sr.setSeed seed try kgen.init 256 sr catch Exception.. null if android.os.Build.VERSION.SDK_INT JELLY_BEAN_4_2 sr SecureRandom.getInstance SHA1PRNG Crypto else sr SecureRandom.getInstance SHA1PRNG sr.setSeed.. sr SecureRandom.getInstance SHA1PRNG Crypto else sr SecureRandom.getInstance SHA1PRNG sr.setSeed seed try kgen.init 256 sr kgen.init 128..

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

null if android.os.Build.VERSION.SDK_INT JELLY_BEAN_4_2 sr SecureRandom.getInstance SHA1PRNG Crypto else sr SecureRandom.getInstance SHA1PRNG doesn't.. sr SecureRandom.getInstance SHA1PRNG Crypto else sr SecureRandom.getInstance SHA1PRNG doesn't work for me because when decoding data encrypted.. keygen KeyGenerator.getInstance AES SecureRandom secrand SecureRandom.getInstance SHA1PRNG secrand.setSeed seed.getBytes keygen.init 128 secrand..

BouncyCastle AES error when upgrading to 1.45

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

kgen KeyGenerator.getInstance AES BC SecureRandom sr SecureRandom.getInstance SHA1PRNG Crypto sr.setSeed seed kgen.init 128 sr SecretKey skey..

Securing media files in the mobile

http://stackoverflow.com/questions/6676574/securing-media-files-in-the-mobile

kgen KeyGenerator.getInstance AES final SecureRandom sr SecureRandom.getInstance SHA1PRNG sr.setSeed seed kgen.init 128 sr 192 and 256 bits may..

android encryption/decryption with AES

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

kgen KeyGenerator.getInstance AES SecureRandom sr SecureRandom.getInstance SHA1PRNG sr.setSeed keyStart kgen.init 128 sr 192 and 256 bits..

Encrypt with Node.js Crypto module and decrypt with Java (in Android app)

http://stackoverflow.com/questions/7787773/encrypt-with-node-js-crypto-module-and-decrypt-with-java-in-android-app

kgen KeyGenerator.getInstance AES SecureRandom sr SecureRandom.getInstance SHA1PRNG byte seedBytes seed.getBytes sr.setSeed seedBytes kgen.init..

Encrypt and decrypt data for Android app-client

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

kgen KeyGenerator.getInstance AES SecureRandom sr SecureRandom.getInstance SHA1PRNG sr.setSeed seed kgen.init 128 sr 192 and 256 bits may..

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

throws CryptoException try SecureRandom random SecureRandom.getInstance RANDOM_ALGORITHM byte salt new byte SALT_LENGTH random.nextBytes.. NoSuchProviderException SecureRandom random SecureRandom.getInstance RANDOM_ALGORITHM byte iv new byte IV_LENGTH random.nextBytes.. kgen KeyGenerator.getInstance AES SecureRandom sr SecureRandom.getInstance SHA1PRNG sr.setSeed seed kgen.init 128 sr 192 and 256 bits may..

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

static byte getRawKey byte seed throws Exception KeyGenerator kgen KeyGenerator.getInstance AES SecureRandom sr SecureRandom.getInstance SHA1PRNG sr.setSeed seed kgen.init 128 sr 192 and 256 bits may not be available SecretKey skey kgen.generateKey byte raw..

Encryption error on Android 4.2

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

static byte getRawKey throws NoSuchAlgorithmException KeyGenerator kgen KeyGenerator.getInstance AES SecureRandom sr SecureRandom.getInstance SHA1PRNG sr.setSeed KEY.getBytes kgen.init 128 sr SecretKey skey kgen.generateKey return skey.getEncoded Process the given.. provider. The following code will produce two different outputs on pre Android 4.2 and Android 4.2 SecureRandom rand SecureRandom.getInstance SHA1PRNG Log.i TAG rand.getProvider rand.getProvider .getName On pre 4.2 devices rand.getProvider Crypto On 4.2 devices.. On 4.2 devices rand.getProvider AndroidOpenSSL Fortunately it's easy to revert to the old behavior SecureRandom sr SecureRandom.getInstance SHA1PRNG Crypto To be sure it's dangerous to be calling SecureRandom.setSeed at all in light of the Javadocs which state..

Android 4.2 broke my AES encrypt/decrypt code

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

static byte getRawKey byte seed throws Exception KeyGenerator kgen KeyGenerator.getInstance AES SecureRandom sr SecureRandom.getInstance SHA1PRNG sr.setSeed seed try kgen.init 256 sr catch Exception e Log.w LOG This device doesn't suppor 256bits trying 192bits... kgen KeyGenerator.getInstance AES SC SecureRandom sr null if android.os.Build.VERSION.SDK_INT JELLY_BEAN_4_2 sr SecureRandom.getInstance SHA1PRNG Crypto else sr SecureRandom.getInstance SHA1PRNG sr.setSeed seed try kgen.init 256 sr kgen.init 128 sr catch Exception.. sr null if android.os.Build.VERSION.SDK_INT JELLY_BEAN_4_2 sr SecureRandom.getInstance SHA1PRNG Crypto else sr SecureRandom.getInstance SHA1PRNG sr.setSeed seed try kgen.init 256 sr kgen.init 128 sr catch Exception e Log.w LOG This device doesn't suppor 256bits..

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

on Android 4.2 and the provided solution SecureRandom sr null if android.os.Build.VERSION.SDK_INT JELLY_BEAN_4_2 sr SecureRandom.getInstance SHA1PRNG Crypto else sr SecureRandom.getInstance SHA1PRNG doesn't work for me because when decoding data encrypted in Android.. sr null if android.os.Build.VERSION.SDK_INT JELLY_BEAN_4_2 sr SecureRandom.getInstance SHA1PRNG Crypto else sr SecureRandom.getInstance SHA1PRNG doesn't work for me because when decoding data encrypted in Android 4.2 in Android 4.2 I get javax.crypto.BadPaddingException.. encrypt byte data String seed throws Exception KeyGenerator keygen KeyGenerator.getInstance AES SecureRandom secrand SecureRandom.getInstance SHA1PRNG secrand.setSeed seed.getBytes keygen.init 128 secrand SecretKey seckey keygen.generateKey byte rawKey seckey.getEncoded..

BouncyCastle AES error when upgrading to 1.45

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

the following to generate raw keys from a passphrase KeyGenerator kgen KeyGenerator.getInstance 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..

Securing media files in the mobile

http://stackoverflow.com/questions/6676574/securing-media-files-in-the-mobile

byte seed throws EncrypterException try final KeyGenerator kgen KeyGenerator.getInstance AES final SecureRandom sr SecureRandom.getInstance SHA1PRNG sr.setSeed seed kgen.init 128 sr 192 and 256 bits may not be available final SecretKey skey kgen.generateKey return..

android encryption/decryption with AES

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

baos.toByteArray byte keyStart this is a key .getBytes KeyGenerator kgen KeyGenerator.getInstance AES SecureRandom sr SecureRandom.getInstance SHA1PRNG sr.setSeed keyStart kgen.init 128 sr 192 and 256 bits may not be available SecretKey skey kgen.generateKey byte..

Encrypt with Node.js Crypto module and decrypt with Java (in Android app)

http://stackoverflow.com/questions/7787773/encrypt-with-node-js-crypto-module-and-decrypt-with-java-in-android-app

static byte getRawKey String seed throws Exception KeyGenerator kgen KeyGenerator.getInstance AES SecureRandom sr SecureRandom.getInstance SHA1PRNG byte seedBytes seed.getBytes sr.setSeed seedBytes kgen.init 128 sr 192 and 256 bits may not be available SecretKey..

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

new CryptoException Unable to get hash e public String generateSalt throws CryptoException try SecureRandom random SecureRandom.getInstance RANDOM_ALGORITHM byte salt new byte SALT_LENGTH random.nextBytes salt String saltHex HexEncoder.toHex salt return saltHex.. generate salt e private byte generateIv throws NoSuchAlgorithmException NoSuchProviderException SecureRandom random SecureRandom.getInstance RANDOM_ALGORITHM byte iv new byte IV_LENGTH random.nextBytes iv return iv Source http pocket for android.1047292.n5.nabble.com.. static byte getRawKey byte seed throws Exception KeyGenerator kgen KeyGenerator.getInstance AES SecureRandom sr SecureRandom.getInstance SHA1PRNG sr.setSeed seed kgen.init 128 sr 192 and 256 bits may not be available SecretKey skey kgen.generateKey byte raw..