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2014/10/16 ¤W¤È 08:17:20
android Programming Glossary: keyspecAndroid 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.. Cipher.getInstance AES cipher.init Cipher.ENCRYPT_MODE skeySpec return cipher.doFinal data public static byte decrypt byte data.. byte rawKey seckey.getEncoded SecretKeySpec skeySpec new SecretKeySpec rawKey AES Cipher cipher Cipher.getInstance..
AES gets different results in iOS and Java http://stackoverflow.com/questions/17535918/aes-gets-different-results-in-ios-and-java len 16 System.arraycopy b 0 keyBytes 0 len SecretKeySpec keySpec new SecretKeySpec keyBytes AES IvParameterSpec ivSpec new IvParameterSpec.. System.out.println ivSpec cipher.init Cipher.ENCRYPT_MODE keySpec ivSpec byte results cipher.doFinal text.getBytes UTF 8 String.. NoTextGivenException Please give text try SecretKeySpec skeySpec getKey password byte clearText text.getBytes UTF8 IMPORTANT..
Fast and simple String encrypt/decrypt in JAVA http://stackoverflow.com/questions/5220761/fast-and-simple-string-encrypt-decrypt-in-java from a configuration file Code from above link DESKeySpec keySpec new DESKeySpec Your secret Key phrase .getBytes UTF8 SecretKeyFactory.. DES SecretKey key keyFactory.generateSecret keySpec sun.misc.BASE64Encoder base64encoder new BASE64Encoder sun.misc.BASE64Decoder..
Bitmap decodeStream OutOfMemory Exception http://stackoverflow.com/questions/8624086/bitmap-decodestream-outofmemory-exception cipher Cipher.getInstance AES CBC NoPadding SecretKeySpec keySpec new SecretKeySpec 01234567890abcde .getBytes AES IvParameterSpec.. fedcba9876543210 .getBytes cipher.init Cipher.DECRYPT_MODE keySpec ivSpec CipherInputStream cis new CipherInputStream fis cipher..
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 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 return cipher.doFinal.. 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 KeyGenerator keygen KeyGenerator.getInstance.. 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.DECRYPT_MODE skeySpec return cipher.doFinal..
AES gets different results in iOS and Java http://stackoverflow.com/questions/17535918/aes-gets-different-results-in-ios-and-java 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 Cipher.ENCRYPT_MODE.. 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 results return.. Please give Password if text.length 0 text null throw new NoTextGivenException Please give text try SecretKeySpec skeySpec getKey password byte clearText text.getBytes UTF8 IMPORTANT TO GET SAME RESULTS ON iOS and ANDROID final byte iv new byte..
Fast and simple String encrypt/decrypt in JAVA http://stackoverflow.com/questions/5220761/fast-and-simple-string-encrypt-decrypt-in-java this question Java encrypt decrypt user name and password from a configuration file Code from above link DESKeySpec keySpec new DESKeySpec Your secret Key phrase .getBytes UTF8 SecretKeyFactory keyFactory SecretKeyFactory.getInstance DES SecretKey.. .getBytes UTF8 SecretKeyFactory keyFactory SecretKeyFactory.getInstance DES SecretKey key keyFactory.generateSecret keySpec sun.misc.BASE64Encoder base64encoder new BASE64Encoder sun.misc.BASE64Decoder base64decoder new BASE64Decoder ...........
Bitmap decodeStream OutOfMemory Exception http://stackoverflow.com/questions/8624086/bitmap-decodestream-outofmemory-exception FileInputStream fis new FileInputStream bufferFile Cipher cipher Cipher.getInstance AES CBC NoPadding SecretKeySpec keySpec new SecretKeySpec 01234567890abcde .getBytes AES IvParameterSpec ivSpec new IvParameterSpec fedcba9876543210 .getBytes cipher.init.. .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 final int..
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