[NTSEC] NTDOM: negotiating either RC4 _or_ some other crypt mechanism

Jason Zions jazz at softway.com
Sun Nov 2 22:52:06 GMT 1997


> if the negotiated flag is not 4, then you take the first 8 bytes of the
> long-term session key, ignore the 8th byte and use this as a key to do a
> DES_ECB_LM on the first 8 bytes of the 16 byte NT OWF.

I assume you actually mean "ignore the 8th bit of each byte", as is
common for constructing DES 56-bit keys from a stream of bytes. Or did
you really mean "take the first seven bytes of the long-term session key
and use this as a key to do a DES_ECB_LM on the first 8 bytes of the 16
byte NT OWF."?

Jason


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