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    iSCSI - long key values



    Dear colleagues,
    
    Ofer brought recently to my attention that some security key values are
    likely to exceed our stated limit
    of 255 bytes for a value.  A good example may be a certificate (or chained
    certificate).
    
    We have to enable those to be in the Login phase.
    
    To handle this we might want to consider the following options (but not
    only those):
    
       enable a "long hexadecimal coding" that should indicate a "long" value
       (e.g. use 0L instead of 0x) and raise the limit for those keys to
       something longer (say 3072 bytes?)
       enable "concatenated" values and indicate them through a "coding scheme"
       as follows:
         the value "0sxx" indicates a name suffix (as in "key = 0s08" means
         that the keys "key00" , "key01" etc) have to be concatenated
         use the "suffixed keys" to "build the value"
       use a named key coding (as in "0Nname" in a value means that you have to
       use later get=value to get a "binary response" containing the whole
       binary object)
    
    
    I  think that option 2 (limited to a 3 digit prefix?) covers well what we
    need and offers some extension space and option 1 is probably good enough
    for certificates.
    
    Comments?
    
    Julo
    
    


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Last updated: Wed Sep 19 19:17:20 2001
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