decryption transcoding question

The processing rules for decryption in the editors draft state that the
decryptor must provide character transcoding into the target encoding when
replacing an EncryptedData element in place (4.2 List item 4, section 3).

Shouldn't the application do this transcoding? This way the decryptor can
provide an application the decryption result in UTF-8 and it is up to the
app to know the transcoding (since a general decryptor may not support all
encodings)

I think this would be more consistent with the statement in Encryption that
it is up to the application where to put encrypted data (and possibly need
to transcode when putting encrypted data into some documents). The
application already requires transcoding functionality in this case.

Perhaps the Decryptor MAY offer the transcoding functionality, but if not,
then it is up to the application

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Frederick Hirsch
Zolera Systems, http://www.zolera.com/
Information Integrity, XML Security