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Re: UKM size in the SMIME Freeware Library v1.8

2000-12-13 10:16:35
RFC  2631 says:

   partyAInfo is a random string provided by the sender. In CMS, it is
     provided as a parameter in the UserKeyingMaterial field (encoded as
     an OCTET STRING). If provided, partyAInfo MUST contain 512 bits.

I do not see any ambiguity here...


At 11:18 AM 12/12/2000 +0000, Ahmed Bhamjee wrote:
I have been testing our product with the latest SFL version. More
specifically, I have performed tests using the Diffie-Hellman key agreement
method. From the RFC (2631), the size of partyAInfo contained in the
OtherInfo sequence must be 512 bits in size. However, the SFL produces
keying material with partyAInfo set to 128 bytes. Should this not be 64
bytes? Perhaps I am missing something.


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