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more word smithing wrt the crd_inject field...

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We've already defined IV earlier, so no need to expand it a second
time here...
This commit is contained in:
John-Mark Gurney 2015-07-03 01:55:06 +00:00
parent 89abdea8f0
commit e08d13cf83
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=285070
1 changed files with 7 additions and 5 deletions
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12
share/man/man9/crypto.9
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@ -356,10 +356,12 @@ How many bytes, after
.Va crd_skip ,
should be processed.
.It Va crd_inject
Offset from the beginning of the buffer to insert any results.
For encryption algorithms, this is where the initialization vector
(IV) will be inserted when encrypting or where it can be found when
decrypting (subject to
The
.Va crd_inject
field specifies an offset in bytes from the beginning of the buffer.
For encryption algorithms, this may be where the IV will be inserted
when encrypting or where the IV may be found for
decryption (subject to
.Va crd_flags ) .
For MAC algorithms, this is where the result of the keyed hash will be
inserted.
@ -393,7 +395,7 @@ provided by the consumer in the
field.
Otherwise, for encryption operations the IV is provided for by
the driver used to perform the operation, whereas for decryption
operations it is pointed to by the
operations the offset of the IV is provided by the
.Va crd_inject
field.
This flag is typically used when the IV is calculated