Monday, December 26, 2011

Re: [android-developers] File encryption using AES

Thanks a lot nikolay, it worked when i used rawkey.......
Thanks again.....

On 12/27/11, Chander mourya <mohan.ck10@gmail.com> wrote:
> Thanks nikoley,
>
> i implemented DES algorithm to encrypt a String it worked fine in that
> but while encrypting a file i have to ask user an Encryption key so at
> that time i am asking for a key and then i am converting it to byte
> array. but this SecretFactory not working this time can you explain
> and if possible can you edit this text by using a raw key?
>
> Thanks a lot.
>
> On 12/27/11, Nikolay Elenkov <nikolay.elenkov@gmail.com> wrote:
>> On Tue, Dec 27, 2011 at 3:11 PM, chander <mohan.ck10@gmail.com> wrote:
>>
>>> Exception is :    java.security.NoSuchAlgorithmException :
>>> SecretKeyFactory AES implementation not found.
>>>
>>>
>>> Please help and rectify the code or if possible give a working code
>>> for File encryption using AES. i don't know why this implementation is
>>> not there.
>>
>> Posting the same question twice in different threads is rarely useful.
>>
>> Assuming that byteKey is the raw key, you can construct a secret key
>> like this (SecretKey is just a marker interface):
>>
>> SecretKey secretKey = new SecretKeySpec(byteKey, "AES");
>>
>> You don't need a SecretKeyFactory.
>>
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>
>
> --
> Chandra Mohan Mourya
>


--
Chandra Mohan Mourya

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