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2014/10/16 ¤W¤È 08:17:13
android Programming Glossary: keybytesAndroid 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 from the bytes by doing SecretKey key new SecretKeySpec keyBytes AES If you're using a password to derive a key follow Nelenkov's.. SecretKeyFactory .getInstance PBKDF2WithHmacSHA1 byte keyBytes keyFactory.generateSecret keySpec .getEncoded SecretKey key.. keySpec .getEncoded SecretKey key new SecretKeySpec keyBytes AES That's it. Anything else you should not use. If you accidentally..
AES gets different results in iOS and Java http://stackoverflow.com/questions/17535918/aes-gets-different-results-in-ios-and-java Cipher cipher Cipher.getInstance AES CBC PKCS5Padding byte keyBytes new byte 16 byte b key.getBytes UTF 8 int len 16 System.arraycopy.. byte b key.getBytes UTF 8 int len 16 System.arraycopy b 0 keyBytes 0 len SecretKeySpec keySpec new SecretKeySpec keyBytes AES IvParameterSpec.. b 0 keyBytes 0 len SecretKeySpec keySpec new SecretKeySpec keyBytes AES IvParameterSpec ivSpec new IvParameterSpec IV System.out.println..
http://stackoverflow.com/questions/3150830/android-encryption byte input www.java2s.com .getBytes byte keyBytes new byte 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09.. 0x14 0x15 0x16 0x17 SecretKeySpec key new SecretKeySpec keyBytes AES Cipher cipher Cipher.getInstance AES ECB PKCS7Padding BC..
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 this weird dance. You can get a SecretKey for AES usage from the bytes by doing SecretKey key new SecretKeySpec keyBytes AES If you're using a password to derive a key follow Nelenkov's excellent tutorial with the caveat that a good rule of.. salt iterationCount keyLength SecretKeyFactory keyFactory SecretKeyFactory .getInstance PBKDF2WithHmacSHA1 byte keyBytes keyFactory.generateSecret keySpec .getEncoded SecretKey key new SecretKeySpec keyBytes AES That's it. Anything else you.. PBKDF2WithHmacSHA1 byte keyBytes keyFactory.generateSecret keySpec .getEncoded SecretKey key new SecretKeySpec keyBytes AES That's it. Anything else you should not use. If you accidentally used some other method such as SecureRandom to derive..
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 new byte 16 byte b key.getBytes UTF 8 int len 16 System.arraycopy b 0 keyBytes 0 len SecretKeySpec keySpec new SecretKeySpec.. AES 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.. 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 keySpec ivSpec..
http://stackoverflow.com/questions/3150830/android-encryption Security.addProvider new org.bouncycastle.jce.provider.BouncyCastleProvider byte input www.java2s.com .getBytes byte keyBytes new byte 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 0x08 0x09 0x0a 0x0b 0x0c 0x0d 0x0e 0x0f 0x10 0x11 0x12 0x13 0x14 0x15.. 0x08 0x09 0x0a 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..
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