Tuesday, July 10, 2018
PHDaysIV
PHDaysIV
? ??????? ??????? ????????? ?? ???????????.
? ???? ?????? ?????? ??? ???????? ?????? ??????????? java.util.Random ? java.security.SecureRandom . ?????? ?? ??? ???????? ???????????????? ?????????, ?????? - ???????????????? ???????, ?????? ? ???? ?????????? ???-???????, ???? SHA-1. ?????? ???????? ? ???, ??? ????? ????????? ??????????, ???? ?????????????????? ????? ?? ???????? ?????????? ?? ????????????.
? ?????? Random ????????????? ?????????? ????????? ?????????? - ?? ???????? ?????????????????? ??? ?????????????????, ??? ????????? ? ??????????? ???????? ????? ?? ?????, ??? ? ? ?????? ?????????? ??????????. ???? ?????????? ??????, ??????????? ????????? ?????????? ????????? ????? ??????????, ??? ?????? ?????????. ????? ????????, ??? ????? ?? ????? ?????? .nextInt(limit) ??? ??????? limit ?? ??????????? ???? ? ???? ???????? ?????, ??????, ??? ????????? limit ? ??? limit, ??????????????? ????? ??????? 2 - ???? ???????????. ?????? ??????? .nextLong() ? .nextInt() ??? ???????????, ??? ??? ? "? ???" ???????????? ?????????.
??? ?????? SecureRandom ????????????? ?????????????? ????????? ??????????, seed, ??, ??? ?? ??? ???????????????. ??????????? ???????????? SHA-1 ?? ????????? ????????????????. ????? ???????? ? ???, ??? ???? ?????? ?????????? ? ??????? ????????????? ???????????? ???????? seed ??????? ???? ?????? ????????, ???? ?????????? ???????????? - ????? ?????????? ???? ???????, ? ?? ????? ????????????????? ? ?????????????.
??? ????, ??????? ?? ???????? ? ?????? ????? ?????????? ???????????? ???????? ? GitHib - https://github.com/votadlos/JavaCG.
???????????:
????????????, ???????? ? ??????? ?????? YouTube:
http://www.youtube.com/watch?v=mdOfZMsj4hA
http://www.youtube.com/watch?v=BwXhpjiCTyA
http://www.youtube.com/watch?v=B3EkrmNWeJs
http://www.youtube.com/watch?v=--ZuBUc2F2Y
?? ?, ???????????, ?????????????.
?????? ?????, ???????, ????? ??????? ????, ??????? ????????? ??????????? ??????????? ?????, ??? ?? ?????????? ? ???????????? ? ???? ???????, ????????, ??????? ??????????? ???? ?????? ?? ???, ??? ?????? ??? ???????? ?????. ???????????, ????? ???? ? ?????, ??????? ? ?????????? ? ????????? ?????????? ? ?????????? ?????? ?????????? ???? ? ????. ???? ?????????, ??? ??? ??? ???? ?? ????????.
? ???? ?????? ?????? ??? ???????? ?????? ??????????? java.util.Random ? java.security.SecureRandom . ?????? ?? ??? ???????? ???????????????? ?????????, ?????? - ???????????????? ???????, ?????? ? ???? ?????????? ???-???????, ???? SHA-1. ?????? ???????? ? ???, ??? ????? ????????? ??????????, ???? ?????????????????? ????? ?? ???????? ?????????? ?? ????????????.
? ?????? Random ????????????? ?????????? ????????? ?????????? - ?? ???????? ?????????????????? ??? ?????????????????, ??? ????????? ? ??????????? ???????? ????? ?? ?????, ??? ? ? ?????? ?????????? ??????????. ???? ?????????? ??????, ??????????? ????????? ?????????? ????????? ????? ??????????, ??? ?????? ?????????. ????? ????????, ??? ????? ?? ????? ?????? .nextInt(limit) ??? ??????? limit ?? ??????????? ???? ? ???? ???????? ?????, ??????, ??? ????????? limit ? ??? limit, ??????????????? ????? ??????? 2 - ???? ???????????. ?????? ??????? .nextLong() ? .nextInt() ??? ???????????, ??? ??? ? "? ???" ???????????? ?????????.
??? ?????? SecureRandom ????????????? ?????????????? ????????? ??????????, seed, ??, ??? ?? ??? ???????????????. ??????????? ???????????? SHA-1 ?? ????????? ????????????????. ????? ???????? ? ???, ??? ???? ?????? ?????????? ? ??????? ????????????? ???????????? ???????? seed ??????? ???? ?????? ????????, ???? ?????????? ???????????? - ????? ?????????? ???? ???????, ? ?? ????? ????????????????? ? ?????????????.
??? ????, ??????? ?? ???????? ? ?????? ????? ?????????? ???????????? ???????? ? GitHib - https://github.com/votadlos/JavaCG.
???????????:
????????????, ???????? ? ??????? ?????? YouTube:
http://www.youtube.com/watch?v=mdOfZMsj4hA
http://www.youtube.com/watch?v=BwXhpjiCTyA
http://www.youtube.com/watch?v=B3EkrmNWeJs
http://www.youtube.com/watch?v=--ZuBUc2F2Y
?? ?, ???????????, ?????????????.
?????? ?????, ???????, ????? ??????? ????, ??????? ????????? ??????????? ??????????? ?????, ??? ?? ?????????? ? ???????????? ? ???? ???????, ????????, ??????? ??????????? ???? ?????? ?? ???, ??? ?????? ??? ???????? ?????. ???????????, ????? ???? ? ?????, ??????? ? ?????????? ? ????????? ?????????? ? ?????????? ?????? ?????????? ???? ? ????. ???? ?????????, ??? ??? ??? ???? ?? ????????.
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