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CCA Release 2.54
Figure B-10 (Page 2 of 2). Private Key, 2048-Bit Chinese-Remainder Format
Offset
(Bytes)
Length
(Bytes)
Description
076
+ppp
+qqq
rrr d
p
= d mod(p-1)
076
+ppp
+qqq
+rrr
sss d
q
= d mod(q-1)
076
+ppp
+qqq
+rrr
+sss
ttt A
p
= q
p-1
mod(n)
076
+ppp
+qqq
+rrr
+sss
+ttt
uuu A
q
= (n+1-A
p
)
076
+ppp
+qqq
+rrr
+sss
+ttt
+uuu
xxx X'00' padding of length xxx bytes such that the length from the start of the
random number above to the end of the padding field is a multiple of eight
bytes
End of the optionally encrypted subsection; all of the fields starting with the confounder
field and ending with the variable length pad field are enciphered for key confidentiality
when the key format-and-security flags (offset 28) indicate that the private key is
enciphered.
076
+ppp
+qqq
+rrr
+sss
+ttt
+uuu
+xxx
nnn Modulus, n. n=pq, where p and q are prime and 2
512
<n<2
2048
Note: See “Number Representation in PKA Key-Tokens” on page B-8.
B-12 IBM 4758 CCA Basic Services, Release 2.54, February 2005