+
+ ## This one's from draft-irtf-cfrg-xchacha-03.
+ 808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f
+ 404142434445464748494a4b4c4d4e4f5051525354555658 "" 64
+ 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
+ 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;