{"action":"closed","issue":{"url":"https://api.github.com/repos/tlepoint/homomorphic-simon/issues/2","repository_url":"https://api.github.com/repos/tlepoint/homomorphic-simon","labels_url":"https://api.github.com/repos/tlepoint/homomorphic-simon/issues/2/labels{/name}","comments_url":"https://api.github.com/repos/tlepoint/homomorphic-simon/issues/2/comments","events_url":"https://api.github.com/repos/tlepoint/homomorphic-simon/issues/2/events","html_url":"https://github.com/tlepoint/homomorphic-simon/issues/2","id":111138613,"number":2,"title":"Is it impossible to have parameters for HE with Level<32? ","user":{"login":"wanghs09","id":9348145,"avatar_url":"https://avatars.githubusercontent.com/u/9348145?v=3","gravatar_id":"","url":"https://api.github.com/users/wanghs09","html_url":"https://github.com/wanghs09","followers_url":"https://api.github.com/users/wanghs09/followers","following_url":"https://api.github.com/users/wanghs09/following{/other_user}","gists_url":"https://api.github.com/users/wanghs09/gists{/gist_id}","starred_url":"https://api.github.com/users/wanghs09/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/wanghs09/subscriptions","organizations_url":"https://api.github.com/users/wanghs09/orgs","repos_url":"https://api.github.com/users/wanghs09/repos","events_url":"https://api.github.com/users/wanghs09/events{/privacy}","received_events_url":"https://api.github.com/users/wanghs09/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":4,"created_at":"2015-10-13T09:10:58Z","updated_at":"2016-04-04T13:48:28Z","closed_at":"2016-04-04T13:48:28Z","body":"Hi all,\r\n\r\nI'm trying to design parameters to homomorphicly evaluate a function with a multiplication level=5, but according to the publication[1], in order to avoid ciphertext expansion, it was proposed to use block cipher+FHE scheme[NLV11]. \r\n\r\nSince a block cipher such as SIMON-32 has a minimum multiplication level 32, the FHE level has to be 32, even for my function it only needs to be 5. Is that so?\r\n\r\nThanks in advance if you kindly answer it.\r\n\r\nKind regards,\r\nHusen\r\n\r\n\r\n[1] A comparison of the Homomorphic Encryption Schemes FV and YASHE"}}