id sid tid token lemma pos rn300z72q8p 1 1 one one NUM rn300z72q8p 1 2 of of ADP rn300z72q8p 1 3 the the DET rn300z72q8p 1 4 most most ADV rn300z72q8p 1 5 important important ADJ rn300z72q8p 1 6 properties property NOUN rn300z72q8p 1 7 of of ADP rn300z72q8p 1 8 a a DET rn300z72q8p 1 9 cryptographic cryptographic ADJ rn300z72q8p 1 10 system system NOUN rn300z72q8p 1 11 is be AUX rn300z72q8p 1 12 a a DET rn300z72q8p 1 13 proof proof NOUN rn300z72q8p 1 14 of of ADP rn300z72q8p 1 15 its its PRON rn300z72q8p 1 16 security security NOUN rn300z72q8p 1 17 . . PUNCT rn300z72q8p 2 1 there there PRON rn300z72q8p 2 2 are be VERB rn300z72q8p 2 3 two two NUM rn300z72q8p 2 4 types type NOUN rn300z72q8p 2 5 of of ADP rn300z72q8p 2 6 security security NOUN rn300z72q8p 2 7 : : PUNCT rn300z72q8p 2 8 information information NOUN rn300z72q8p 2 9 ( ( PUNCT rn300z72q8p 2 10 or or CCONJ rn300z72q8p 2 11 theoretical theoretical ADJ rn300z72q8p 2 12 ) ) PUNCT rn300z72q8p 2 13 security security NOUN rn300z72q8p 2 14 and and CCONJ rn300z72q8p 2 15 computational computational ADJ rn300z72q8p 2 16 ( ( PUNCT rn300z72q8p 2 17 or or CCONJ rn300z72q8p 2 18 practical practical ADJ rn300z72q8p 2 19 ) ) PUNCT rn300z72q8p 2 20 security security NOUN rn300z72q8p 2 21 . . PUNCT rn300z72q8p 3 1 the the DET rn300z72q8p 3 2 focus focus NOUN rn300z72q8p 3 3 of of ADP rn300z72q8p 3 4 this this DET rn300z72q8p 3 5 work work NOUN rn300z72q8p 3 6 is be AUX rn300z72q8p 3 7 on on ADP rn300z72q8p 3 8 provable provable ADJ rn300z72q8p 3 9 computational computational ADJ rn300z72q8p 3 10 security security NOUN rn300z72q8p 3 11 via via ADP rn300z72q8p 3 12 gate gate NOUN rn300z72q8p 3 13 ( ( PUNCT rn300z72q8p 3 14 or or CCONJ rn300z72q8p 3 15 circuit circuit NOUN rn300z72q8p 3 16 ) ) PUNCT rn300z72q8p 3 17 complexity complexity NOUN rn300z72q8p 3 18 of of ADP rn300z72q8p 3 19 boolean boolean ADJ rn300z72q8p 3 20 functions function NOUN rn300z72q8p 3 21 . . PUNCT rn300z72q8p 4 1 the the DET rn300z72q8p 4 2 computational computational ADJ rn300z72q8p 4 3 security security NOUN rn300z72q8p 4 4 of of ADP rn300z72q8p 4 5 public public ADJ rn300z72q8p 4 6 - - PUNCT rn300z72q8p 4 7 key key NOUN rn300z72q8p 4 8 cryptographic cryptographic ADJ rn300z72q8p 4 9 systems system NOUN rn300z72q8p 4 10 depends depend VERB rn300z72q8p 4 11 fundamentally fundamentally ADV rn300z72q8p 4 12 on on ADP rn300z72q8p 4 13 trapdoor trapdoor NOUN rn300z72q8p 4 14 one one NUM rn300z72q8p 4 15 - - PUNCT rn300z72q8p 4 16 way way NOUN rn300z72q8p 4 17 functions function NOUN rn300z72q8p 4 18 . . PUNCT rn300z72q8p 5 1 however however ADV rn300z72q8p 5 2 , , PUNCT rn300z72q8p 5 3 the the DET rn300z72q8p 5 4 existence existence NOUN rn300z72q8p 5 5 of of ADP rn300z72q8p 5 6 such such ADJ rn300z72q8p 5 7 functions function NOUN rn300z72q8p 5 8 has have VERB rn300z72q8p 5 9 yet yet ADV rn300z72q8p 5 10 to to PART rn300z72q8p 5 11 be be AUX rn300z72q8p 5 12 proved prove VERB rn300z72q8p 5 13 . . PUNCT rn300z72q8p 6 1 informally informally ADV rn300z72q8p 6 2 speaking speak VERB rn300z72q8p 6 3 , , PUNCT rn300z72q8p 6 4 a a DET rn300z72q8p 6 5 trapdoor trapdoor NOUN rn300z72q8p 6 6 one one NUM rn300z72q8p 6 7 - - PUNCT rn300z72q8p 6 8 way way NOUN rn300z72q8p 6 9 function function NOUN rn300z72q8p 6 10 is be AUX rn300z72q8p 6 11 an an DET rn300z72q8p 6 12 efficiently efficiently ADV rn300z72q8p 6 13 - - PUNCT rn300z72q8p 6 14 computable computable NOUN rn300z72q8p 6 15 function function NOUN rn300z72q8p 6 16 such such ADJ rn300z72q8p 6 17 that that SCONJ rn300z72q8p 6 18 there there PRON rn300z72q8p 6 19 are be VERB rn300z72q8p 6 20 no no DET rn300z72q8p 6 21 efficient efficient ADJ rn300z72q8p 6 22 algorithms algorithm NOUN rn300z72q8p 6 23 for for ADP rn300z72q8p 6 24 inverting invert VERB rn300z72q8p 6 25 it it PRON rn300z72q8p 6 26 unless unless SCONJ rn300z72q8p 6 27 some some DET rn300z72q8p 6 28 extra extra ADJ rn300z72q8p 6 29 information information NOUN rn300z72q8p 6 30 , , PUNCT rn300z72q8p 6 31 known know VERB rn300z72q8p 6 32 as as ADP rn300z72q8p 6 33 trapdoor trapdoor NOUN rn300z72q8p 6 34 information information NOUN rn300z72q8p 6 35 , , PUNCT rn300z72q8p 6 36 is be AUX rn300z72q8p 6 37 available available ADJ rn300z72q8p 6 38 . . PUNCT rn300z72q8p 7 1 it it PRON rn300z72q8p 7 2 is be AUX rn300z72q8p 7 3 important important ADJ rn300z72q8p 7 4 to to PART rn300z72q8p 7 5 realize realize VERB rn300z72q8p 7 6 that that SCONJ rn300z72q8p 7 7 the the DET rn300z72q8p 7 8 so so ADV rn300z72q8p 7 9 - - PUNCT rn300z72q8p 7 10 called call VERB rn300z72q8p 7 11 ' ' PUNCT rn300z72q8p 7 12 trapdoor trapdoor NOUN rn300z72q8p 7 13 one one NUM rn300z72q8p 7 14 - - PUNCT rn300z72q8p 7 15 way way NOUN rn300z72q8p 7 16 functions function NOUN rn300z72q8p 7 17 ' ' PUNCT rn300z72q8p 7 18 used use VERB rn300z72q8p 7 19 in in ADP rn300z72q8p 7 20 modern modern ADJ rn300z72q8p 7 21 cryptographic cryptographic ADJ rn300z72q8p 7 22 systems system NOUN rn300z72q8p 7 23 ( ( PUNCT rn300z72q8p 7 24 to to PART rn300z72q8p 7 25 perform perform VERB rn300z72q8p 7 26 financial financial ADJ rn300z72q8p 7 27 transactions transaction NOUN rn300z72q8p 7 28 over over ADP rn300z72q8p 7 29 the the DET rn300z72q8p 7 30 internet internet NOUN rn300z72q8p 7 31 , , PUNCT rn300z72q8p 7 32 for for ADP rn300z72q8p 7 33 example example NOUN rn300z72q8p 7 34 ) ) PUNCT rn300z72q8p 7 35 are be AUX rn300z72q8p 7 36 good good ADJ rn300z72q8p 7 37 candidates candidate NOUN rn300z72q8p 7 38 , , PUNCT rn300z72q8p 7 39 at at ADP rn300z72q8p 7 40 best well ADV rn300z72q8p 7 41 . . PUNCT rn300z72q8p 8 1 there there PRON rn300z72q8p 8 2 is be VERB rn300z72q8p 8 3 no no DET rn300z72q8p 8 4 formal formal ADJ rn300z72q8p 8 5 proof proof NOUN rn300z72q8p 8 6 that that SCONJ rn300z72q8p 8 7 these these DET rn300z72q8p 8 8 candidates candidate NOUN rn300z72q8p 8 9 are be AUX rn300z72q8p 8 10 de de X rn300z72q8p 8 11 facto facto X rn300z72q8p 8 12 trapdoor trapdoor NOUN rn300z72q8p 8 13 one one NUM rn300z72q8p 8 14 - - PUNCT rn300z72q8p 8 15 way way NOUN rn300z72q8p 8 16 functions function NOUN rn300z72q8p 8 17 . . PUNCT rn300z72q8p 9 1 for for ADP rn300z72q8p 9 2 example example NOUN rn300z72q8p 9 3 , , PUNCT rn300z72q8p 9 4 security security NOUN rn300z72q8p 9 5 proofs proof NOUN rn300z72q8p 9 6 for for ADP rn300z72q8p 9 7 one one NUM rn300z72q8p 9 8 of of ADP rn300z72q8p 9 9 the the DET rn300z72q8p 9 10 most most ADV rn300z72q8p 9 11 widely widely ADV rn300z72q8p 9 12 used use VERB rn300z72q8p 9 13 public public ADJ rn300z72q8p 9 14 - - PUNCT rn300z72q8p 9 15 key key ADJ rn300z72q8p 9 16 cryptographic cryptographic ADJ rn300z72q8p 9 17 systems system NOUN rn300z72q8p 9 18 , , PUNCT rn300z72q8p 9 19 namely namely ADV rn300z72q8p 9 20 , , PUNCT rn300z72q8p 9 21 the the DET rn300z72q8p 9 22 rsa rsa NOUN rn300z72q8p 9 23 , , PUNCT rn300z72q8p 9 24 are be AUX rn300z72q8p 9 25 based base VERB rn300z72q8p 9 26 on on ADP rn300z72q8p 9 27 the the DET rn300z72q8p 9 28 unproven unproven ADJ rn300z72q8p 9 29 assumption assumption NOUN rn300z72q8p 9 30 that that SCONJ rn300z72q8p 9 31 large large ADJ rn300z72q8p 9 32 numbers number NOUN rn300z72q8p 9 33 can can AUX rn300z72q8p 9 34 not not PART rn300z72q8p 9 35 be be AUX rn300z72q8p 9 36 factored factor VERB rn300z72q8p 9 37 efficiently efficiently ADV rn300z72q8p 9 38 . . PUNCT rn300z72q8p 10 1 therefore therefore ADV rn300z72q8p 10 2 , , PUNCT rn300z72q8p 10 3 it it PRON rn300z72q8p 10 4 is be AUX rn300z72q8p 10 5 not not PART rn300z72q8p 10 6 safe safe ADJ rn300z72q8p 10 7 to to PART rn300z72q8p 10 8 base base VERB rn300z72q8p 10 9 the the DET rn300z72q8p 10 10 security security NOUN rn300z72q8p 10 11 of of ADP rn300z72q8p 10 12 large large ADJ rn300z72q8p 10 13 economic economic ADJ rn300z72q8p 10 14 systems system NOUN rn300z72q8p 10 15 on on ADP rn300z72q8p 10 16 such such ADJ rn300z72q8p 10 17 assumptions assumption NOUN rn300z72q8p 10 18 . . PUNCT rn300z72q8p 11 1 thus thus ADV rn300z72q8p 11 2 , , PUNCT rn300z72q8p 11 3 from from ADP rn300z72q8p 11 4 a a DET rn300z72q8p 11 5 cryptographical cryptographical ADJ rn300z72q8p 11 6 point point NOUN rn300z72q8p 11 7 of of ADP rn300z72q8p 11 8 view view NOUN rn300z72q8p 11 9 , , PUNCT rn300z72q8p 11 10 the the DET rn300z72q8p 11 11 crucial crucial ADJ rn300z72q8p 11 12 problem problem NOUN rn300z72q8p 11 13 in in ADP rn300z72q8p 11 14 gate gate NOUN rn300z72q8p 11 15 complexity complexity NOUN rn300z72q8p 11 16 theory theory NOUN rn300z72q8p 11 17 is be AUX rn300z72q8p 11 18 to to PART rn300z72q8p 11 19 prove prove VERB rn300z72q8p 11 20 nontrivial nontrivial ADJ rn300z72q8p 11 21 lower low ADJ rn300z72q8p 11 22 bounds bound NOUN rn300z72q8p 11 23 on on ADP rn300z72q8p 11 24 the the DET rn300z72q8p 11 25 complexity complexity NOUN rn300z72q8p 11 26 of of ADP rn300z72q8p 11 27 breaking break VERB rn300z72q8p 11 28 practical practical ADJ rn300z72q8p 11 29 cryptographic cryptographic ADJ rn300z72q8p 11 30 systems system NOUN rn300z72q8p 11 31 , , PUNCT rn300z72q8p 11 32 for for ADP rn300z72q8p 11 33 example example NOUN rn300z72q8p 11 34 , , PUNCT rn300z72q8p 11 35 one one NUM rn300z72q8p 11 36 - - PUNCT rn300z72q8p 11 37 way way NOUN rn300z72q8p 11 38 functions function NOUN rn300z72q8p 11 39 . . PUNCT rn300z72q8p 12 1 in in ADP rn300z72q8p 12 2 this this DET rn300z72q8p 12 3 work work NOUN rn300z72q8p 12 4 we we PRON rn300z72q8p 12 5 argue argue VERB rn300z72q8p 12 6 that that SCONJ rn300z72q8p 12 7 the the DET rn300z72q8p 12 8 theory theory NOUN rn300z72q8p 12 9 of of ADP rn300z72q8p 12 10 circuit circuit NOUN rn300z72q8p 12 11 complexity complexity NOUN rn300z72q8p 12 12 of of ADP rn300z72q8p 12 13 boolean boolean ADJ rn300z72q8p 12 14 functions function NOUN rn300z72q8p 12 15 provides provide VERB rn300z72q8p 12 16 the the DET rn300z72q8p 12 17 mathematical mathematical ADJ rn300z72q8p 12 18 background background NOUN rn300z72q8p 12 19 to to PART rn300z72q8p 12 20 achieve achieve VERB rn300z72q8p 12 21 provable provable ADJ rn300z72q8p 12 22 computational computational ADJ rn300z72q8p 12 23 security security NOUN rn300z72q8p 12 24 . . PUNCT rn300z72q8p 13 1 among among ADP rn300z72q8p 13 2 computational computational ADJ rn300z72q8p 13 3 models model NOUN rn300z72q8p 13 4 , , PUNCT rn300z72q8p 13 5 the the DET rn300z72q8p 13 6 circuit circuit NOUN rn300z72q8p 13 7 model model NOUN rn300z72q8p 13 8 has have VERB rn300z72q8p 13 9 an an DET rn300z72q8p 13 10 especially especially ADV rn300z72q8p 13 11 simple simple ADJ rn300z72q8p 13 12 definition definition NOUN rn300z72q8p 13 13 and and CCONJ rn300z72q8p 13 14 may may AUX rn300z72q8p 13 15 be be AUX rn300z72q8p 13 16 more more ADV rn300z72q8p 13 17 amenable amenable ADJ rn300z72q8p 13 18 to to PART rn300z72q8p 13 19 combinatorial combinatorial VERB rn300z72q8p 13 20 analysis analysis NOUN rn300z72q8p 13 21 . . PUNCT rn300z72q8p 14 1 the the DET rn300z72q8p 14 2 gate gate NOUN rn300z72q8p 14 3 complexity complexity NOUN rn300z72q8p 14 4 of of ADP rn300z72q8p 14 5 permutations permutation NOUN rn300z72q8p 14 6 of of ADP rn300z72q8p 14 7 gf(2n gf(2n NOUN rn300z72q8p 14 8 ) ) PUNCT rn300z72q8p 14 9 and and CCONJ rn300z72q8p 14 10 of of ADP rn300z72q8p 14 11 linear linear ADJ rn300z72q8p 14 12 and and CCONJ rn300z72q8p 14 13 quadratic quadratic ADJ rn300z72q8p 14 14 boolean boolean ADJ rn300z72q8p 14 15 functions function NOUN rn300z72q8p 14 16 is be AUX rn300z72q8p 14 17 studied study VERB rn300z72q8p 14 18 by by ADP rn300z72q8p 14 19 deriving derive VERB rn300z72q8p 14 20 bounds bound NOUN rn300z72q8p 14 21 on on ADP rn300z72q8p 14 22 the the DET rn300z72q8p 14 23 number number NOUN rn300z72q8p 14 24 of of ADP rn300z72q8p 14 25 modulo modulo NOUN rn300z72q8p 14 26 - - PUNCT rn300z72q8p 14 27 two two NUM rn300z72q8p 14 28 additions addition NOUN rn300z72q8p 14 29 and and CCONJ rn300z72q8p 14 30 multiplications multiplication NOUN rn300z72q8p 14 31 necessary necessary ADJ rn300z72q8p 14 32 to to PART rn300z72q8p 14 33 realize realize VERB rn300z72q8p 14 34 them they PRON rn300z72q8p 14 35 . . PUNCT