@item read 32-bytes of blob AEAD encryption key
@item encrypt and authenticate blob using
@url{https://cr.yp.to/chacha.html, ChaCha20}-@url{https://en.wikipedia.org/wiki/Poly1305, Poly1305}.
- Blob is splitted on 128 KiB blocks. Each block is encrypted with
+ Blob is divided on 128 KiB blocks. Each block is encrypted with
increasing nonce counter. Eblob packet itself, with empty blob
field, is fed as an additional authenticated data
@end enumerate