Re: Interoperation with OpenSSL

Peter Gutmann <[email protected]>
Newsgroups gmane.comp.encryption.cryptlib
Message-ID <[email protected]>
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.

Peter.

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