class PoseidonParams

• PoseidonParams
• Reference
• Object

Defined in:

poseidon_parameters.cr

Constructors

• .new

Class Method Summary

• .str16a_to_big_int(a : Array(String))

  Convert an array of 64 bits elements, represented as hexa string, into a big integer with LDS (first element of the array are the least significant bits) Horizen big int representation

• .u64a_to_big_int(a : Array(UInt64))

  Convert an array of 64 bits elements, into a big integer with LDS (first element of the array are the least significant bits) Horizen big int representation

• .zero_pad(input : String, len : Int32)

Instance Method Summary

• #calc_final_numbers_fixed(prime, t, alpha, m_bits, security_margin)
• #compute_best_params(prime : BigInt, t : Int32, security)
• #find_FD_round_numbers(prime, t, alpha, m_bits, security_margin)
• #generate_constants(field, n, t, r_ff, r_pp, prime_number)

  Generate round constants parameters are: 1 (0 for binary fields), field size, number of cells, rf, rp, prime

• #generate_grain
• #get_sbox_cost(r_F, r_P, t)
• #grain_random_bits(num_bits)
• #init_generator
• #mds_matrix
• #round_constants
• #sat_inequiv_alpha(prime, t, r_F, r_P, alpha, m_bits)

  from https://extgit.iaik.tugraz.at/krypto/hadeshash/-/blob/master/code/calc_round_numbers.py

• #set_horizen_params
• #set_mds_matrix(matrix)
• #set_params(prime : BigInt, alpha : Int32, rf : Int32, rp : Int32, t : Int32)
• #set_round_constants(array)

Constructor Detail

Class Method Detail

Instance Method Detail