Re: Interoperation with OpenSSL

Hello,

On Wed., Aug. 26, 2009, Peter GUTMANN wrote:
>Stephan <[email protected]> writes:
>>On Sun., Aug. 23, 2009, Peter GUTMANN wrote:
>>>Stephan <[email protected]> writes:
>>>>I'm using Cryptlib along with OpenSSL and have begun interop
>>>>testing. Is it reasonable to expect Cryptlib and OpenSSL to be
>>>>interchangable when de/encrypting with one and the other tool?
>>>>
>>>Only if a standard format is used.  OpenSSL (as you're using it)
>>>is using an undocumented homebrew data format that isn't compatible
>>>with anything else in existence.  To interoperate with anything
>>>else you need to use a standards- conformant format like PKCS #7,
>>>CMS, or PGP.
>>>
>>...but as far as I know, all three PKCS #7, CMS, and PHP require
>>certificates to work.
>>
>None of them require certificates (are you going to tell Phil that
>his PGP needs certificates in order to work? :-).
>
>>I want to simply encode and decode using a static password. 
>
>All of these formats support password-based encryption.  No
>certificates are necessary.
>
Whoops, I typed by mistake 'PHP' instead of 'PGP', sorry.

Are there any examples to be found teaching how to encrypt and then
decrypt a single octet using the above (PKCS #7, CMS, PGP) methods
with static password based encryption?

Although cryptlib is described as 'easyto- use functions', I've
had some significant problems in implementing simple things.

Regards,
Stephan

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