[DUG] Encryption / Decrption

[Robert martin]

Yes, that sounds like a go :)

Thanks for all the feedback.

Rob Martin
Software Engineer

phone +64 03 377 0495
fax   +64 03 377 0496
web www.chreos.com

Wild Software Ltd



Phil Middlemiss wrote:
> There are many ways to do that. You could, for example store the 
> password as a collection of constant Byte values and put them together 
> as chars when using the password. I use something similar, but not 
> quite that. You could convolute it many ways.
>
> Phil.
>
> Robert martin wrote:
>> Hi
>>
>> Yeah my app is actually just encrypt some text and store it in its 
>> DB.  It will Decrypt the information for processing purposes.  The 
>> DCPcrypt stuff looks great.  However now im left with what to use as 
>> a password and how to store that in my app.
>>
>>
>>
>>
>>
>> Rob Martin
>> Software Engineer
>>
>> phone +64 03 377 0495
>> fax   +64 03 377 0496
>> web www.chreos.com
>>
>> Wild Software Ltd
>>
>>
>>
>> Conor Boyd wrote:
>>> No problems.
>>>
>>> Is your app going to be doing both the encrypting and decrypting at
>>> either end?
>>>
>>> Because if it's not (and the recipient of the encrypted data is using
>>> some other standard PKI tool to decrypt the data), then you are 
>>> going to
>>> have to look at certificates and how your app manages them.
>>>
>>> Good luck.
>>>
>>> Cheers,
>>>
>>> Conor
>>>
>>> -----Original Message-----
>>> From: delphi-bounces at ns3.123.co.nz 
>>> [mailto:delphi-bounces at ns3.123.co.nz]
>>> On Behalf Of Robert martin
>>>
>>> Thanks Conor
>>>
>>> I am looking at building it into a shipping app so this seems like a 
>>> bit
>>> of a no go.  But thanks for the info :)
>>>
>>> Conor Boyd wrote:
>>>  
>>>> Yes, MS does provide a crypto API on most Windows platforms, 
>>>> exposed as a COM DLL (known as CAPICOM).  It's based around 
>>>> Certificate Services, which you can configure using MMC (Microsoft 
>>>> Management
>>>>     
>>> Console?).
>>>  
>>>> To configure Certificate Services, run MMC from the command line, 
>>>> choose File, Add/Remove Snap-in, hit the Add button, choose 
>>>> Certificates, click OK.
>>>>
>>>> But you'll then have to go away and read up on certificates, and 
>>>> how to use the Crypto API, etc.  Googling should get you a long way 
>>>> there.
>>>>
>>>> Here are a few links to get you started:
>>>> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/seccr
>>>> yp
>>>> to/security/using_capicom.asp
>>>> http://msdn.microsoft.com/library/default.asp?url=/library/en-us/seccr
>>>> yp
>>>> to/security/cryptography_objects.asp
>>>> http://www.awprofessional.com/articles/article.asp?p=31065&seqNum=1
>>>> http://www.seifried.org/security/cryptography/crypto-book/index.html
>>>>     
>>>
>>> _______________________________________________
>>> Delphi mailing list
>>> Delphi at ns3.123.co.nz
>>> http://ns3.123.co.nz/mailman/listinfo/delphi
>>>
>>>   
>> _______________________________________________
>> Delphi mailing list
>> Delphi at ns3.123.co.nz
>> http://ns3.123.co.nz/mailman/listinfo/delphi
>>
>>
>>
> _______________________________________________
> Delphi mailing list
> Delphi at ns3.123.co.nz
> http://ns3.123.co.nz/mailman/listinfo/delphi
>