Hidden flag: (16807196250009982482930925323199249441776811719221084165690521045921016398804, 72892323560996016030675756815328265928288098939353836408589138718802282948311)

Public key: (48780765048182146279105449292746800142985733726316629478905429239240156048277, 74172919609718191102228451394074168154654001177799772446328904575002795731796)

{'msg': 'I have hidden the secret flag as a point of an elliptic curve using my private key.', 'r': '0x91f66ac7557233b41b3044ab9daf0ad891a8ffcaf99820c3cd8a44fc709ed3ae', 's': '0x1dd0a378454692eb4ad68c86732404af3e73c6bf23a8ecc5449500fcab05208d'}
{'msg': 'The discrete logarithm problem is very hard to solve, so it will remain a secret forever.', 'r': '0xe8875e56b79956d446d24f06604b7705905edac466d5469f815547dea7a3171c', 's': '0x582ecf967e0e3acf5e3853dbe65a84ba59c3ec8a43951bcff08c64cb614023f8'}
{'msg': 'Good luck!', 'r': '0x566ce1db407edae4f32a20defc381f7efb63f712493c3106cf8e85f464351ca6', 's': '0x9e4304a36d2c83ef94e19a60fb98f659fa874bfb999712ceb58382e2ccda26ba'}