Method for processing homomorphic encryption and electronic apparatus

A method for processing an encrypted message in an electronic apparatus, comprising:

• receiving a homomorphic encrypted message including homomorphic encrypted price information for an auction item from each of a plurality of other electronic apparatuses;
• sorting the plurality of pieces of price information using a sorting method corresponding to an auction method for the auction item;
• and
• notifying an electronic apparatus corresponding to a seller of price information corresponding to a preset rank among the sorted price information and buyer information corresponding to the price information.

A computer-readable recording medium including a program for executing a method for processing an encrypted message,

• wherein the method for processing an encrypted message includes:
• receiving a homomorphic encrypted message including homomorphic encrypted price information for an auction item from each of a plurality of other electronic apparatuses;
• sorting the plurality of pieces of price information using a sorting method corresponding to an auction method for the auction item;
• and
• notifying the electronic apparatus corresponding to a seller of price information corresponding to a preset rank among the sorted price information and buyer information corresponding to the price information.