zeth.core.mimc.MiMC17Base Class Reference

Inheritance diagram for zeth.core.mimc.MiMC17Base:

Collaboration diagram for zeth.core.mimc.MiMC17Base:

Public Member Functions
int	mimc_round (self, int message, int key, int rc)
Public Member Functions inherited from zeth.core.mimc.MiMCBase
def	__init__ (self, str seed_str, int prime, int num_rounds)
int	encrypt (self, int message, int ek)
bytes	hash (self, bytes left, bytes right)
int	hash_int (self, int x, int y)

Additional Inherited Members
Public Attributes inherited from zeth.core.mimc.MiMCBase
	seed
	prime
	num_rounds

Detailed Description

Implementation of MiMCBase with exponent 17

Definition at line 80 of file mimc.py.

Member Function Documentation

mimc_round()

int zeth.core.mimc.MiMC17Base.mimc_round	(		self,
		int	message,
		int	key,
		int	rc
	)

Reimplemented from zeth.core.mimc.MiMCBase.

Definition at line 84 of file mimc.py.

    def mimc_round(self, message: int, key: int, rc: int) -> int:
        # May not be optimal to operate on huge numbers (256 * e bits). For
        # reference, the manual version is below:
        #   a = (message + key + rc) % self.prime
        #   a_2 = (a * a) % self.prime
        #   a_4 = (a_2 * a_2) % self.prime
        #   a_8 = (a_4 * a_4) % self.prime
        #   a_16 = (a_8 * a_8) % self.prime
        #   return (a_16 * a) % self.prime
        return ((message + key + rc) ** 17) % self.prime
 
 

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The documentation for this class was generated from the following file:

• /home/runner/work/zeth/zeth/client/zeth/core/mimc.py