OASIS Open Document Format for Office Applications (OpenDocument) TC

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Re: [office] OFFICE-2656: Default Signing After Encryption isUnacceptable

  • 1.  Re: [office] OFFICE-2656: Default Signing After Encryption isUnacceptable

    Posted 05-06-2010 08:59
    Dennis,
    
    On 05/06/10 00:48, Dennis E. Hamilton wrote:
    > Patrick, the only proposal I would make is that the current signatures always happen before any encryption, whether or not the signature is encrypted (and it should be if there is any encryption).  That's with regard to the current state of affairs.  There would be no signing after encryption using the package-embedded ODF 1.2 digital signatures.
    
    I've explained in my other mail why signing after encryption is 
    reasonable. I definitively want to keep that option, which works well in 
    practice. But I would have no objection to add the possibility to 
    encrypt documents after signing them if you provide a use case and 
    proposal for this.
    
    Actually, I've tried to address this already by the clarification I've 
    made in OFFICE-2656, which says:
    
    If a digital signature file is not encrypted, consumers shall not 
    decrypt files that are referenced by