These are the mandatory information to use encryption/decryption. For basic
understanding search and read the following topics on wikipedia

encryption decryption
symmetric encryption
asymmetric encryption

Wajid

On Thu, Dec 9, 2010 at 1:35 AM, Tobiah <t...@tobiah.org> wrote:

> I don't understand most of these terms.
>
>
> On 12/08/2010 12:22 PM, Wajid Hussain wrote:
>
>> Use symmetric key encryption and make your key extended by adding phone
>> number of the mobile with the key like new_key = your_key +
>> customer_mobile_number
>>
>> But you can't do this with asymmetric key(key pair).
>> But you can also implement this using a double encryption technique. Means
>> encrypt using public key and then encrypt it with
>> your_key, and same as with decryption, means first decrypt with your_key
>> and then decrypt with private key. But keep in mind that
>> hash and message digest can only performs before and after you your_key
>> encrypt and decrypt.
>>
>> Hope this will solve your problem.
>>
>> Wajid
>>
>>
>> On Thu, Dec 9, 2010 at 1:08 AM, Tobiah <t...@tobiah.org <mailto:
>> t...@tobiah.org>> wrote:
>>
>>    Good news.  More info please?
>>
>>
>>    On 12/08/2010 12:05 PM, DanH wrote:
>>
>>        Yep.
>>
>>        On Dec 8, 12:19 pm, Tobiah<t...@tobiah.org <mailto:t...@tobiah.org>>
>>  wrote:
>>
>>
>>            Is it possible to encrypt data in such a way, that given a
>> particular
>>            phone number, I could distribute a key that would decrypt the
>> data,
>>            but only when mixed with that phone number?
>>
>>            Thanks,
>>
>>            Tobiah
>>
>>
>>
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