Module anemoi_2_1

An instantiation of Anemoi with state width 2 and rate 1 aimed at providing 128 bits security. Implementation of the Anemoi permutation

Structs

• AnemoiDigest
  An Anemoi Digest for the Anemoi Hash over Felt
• AnemoiPallas_2_1
  An Anemoi instantiation over Pallas basefield with 1 column and rate 1.

Constants

• DIGEST_SIZE
  One element (32-bytes) is returned as digest.
• NUM_COLUMNS
  The state is divided into two even-length rows.
• NUM_HASH_ROUNDS
  The number of rounds is set to 21 to provide 128-bit security level.
• RATE_WIDTH
  1 element of the state is reserved for rate.
• STATE_WIDTH
  Function state is set to 2 field elements or 64 bytes. 1 element of the state is reserved for capacity.