test: add test case for aes-256-siv jet mismatch, observed in the wild
^- (list vector-siv)
:~
::
+ :: failed in the wild
+ ::
+ :^ 0xfdef.6253.d284.a940.1b5d.d1b7.fbcd.4489.
+ 3071.bf93.ace9.37da.7c5d.77d2.1f3e.cda4.
+ 83be.1c51.a88b.c9ba.8741.e1ee.935b.c0ef.
+ 888a.feff.0249.bdb6.1344.0ff9.4e1b.fca5
+ ad=~
+ inp=0x97.0341.38e3.960e.87e1
+ :+ iv=0x249f.85e3.c9a8.29b6.3122.ec22.cde6.76df
+ len=9
+ cph=0xdc.bdcd.e4f1.4fd4.2d8d
+ ::
:: from RFC 5297, with extended key
::
:^ 0xfffe.fdfc.fbfa.f9f8.f7f6.f5f4.f3f2.f1f0.
