❇❡②♦♥❞ 2c/2 ❙❡❝✉r✐t② ✐♥ ❙♣♦♥❣❡✲❇❛s❡❞ ❆✉t❤❡♥t✐❝❛t❡❞ ❊♥❝r②♣t✐♦♥ ▼♦❞❡s
P❤✐❧✐♣♣ ❏♦✈❛♥♦✈✐❝1✱ ❆t✉❧ ▲✉②❦①2✱ ❛♥❞ ❇❛rt ▼❡♥♥✐♥❦2
1 ❯♥✐✈❡rs✐tät P❛ss❛✉ 2 ❑❯ ▲❡✉✈❡♥
❉■❆❈ ✖ ❆✉❣✉st ✷✸✱ ✷✵✶✹
✶ ✴ ✶✺
2 c/ 2 rt s - - PowerPoint PPT Presentation
2 c/ 2 rt s ttt rt s P 1 t 2
1 ❯♥✐✈❡rs✐tät P❛ss❛✉ 2 ❑❯ ▲❡✉✈❡♥
✶ ✴ ✶✺
◆♦♥❝❡✲❞❡♣❡♥❞❡♥t ♦r s❡❝✉r✐t② ❛❣❛✐♥st ♥♦♥❝❡✲r❡✉s❡
✷ ✴ ✶✺
AEK M C, A N, H
◆♦♥❝❡✲❞❡♣❡♥❞❡♥t ♦r s❡❝✉r✐t② ❛❣❛✐♥st ♥♦♥❝❡✲r❡✉s❡
✷ ✴ ✶✺
AEK M C, A N, H
✷ ✴ ✶✺
r c p p p p p p (M1) M... Mu A1 A... Av
✸ ✴ ✶✺
r c p p p p p p (KM)1 (KM)... (KM)u A1 A... Av
✸ ✴ ✶✺
r c p p p p p p (KNH)1 (KNH)... (KNH)u M1 M... Mv C1 C... Cv A
✸ ✴ ✶✺
c ❂ ❝❛♣❛❝✐t② κ ❂ ❦❡② s✐③❡ τ ❂ t❛❣ s✐③❡
✹ ✴ ✶✺
c ❂ ❝❛♣❛❝✐t② κ ❂ ❦❡② s✐③❡ τ ❂ t❛❣ s✐③❡
✹ ✴ ✶✺
c ❂ ❝❛♣❛❝✐t② κ ❂ ❦❡② s✐③❡ τ ❂ t❛❣ s✐③❡
✹ ✴ ✶✺
c ❂ ❝❛♣❛❝✐t② κ ❂ ❦❡② s✐③❡ τ ❂ t❛❣ s✐③❡
✹ ✴ ✶✺
Artemia Ascon CBEAM&STRIBOB ICEPOLE Ketje&Keyak NORX π-Cipher PRIMATEs
3
iran
4
austria
1
norway
1
a u s t r a l i a
3
p
a n d
1
u k
3
u s a
4
belgium
1
italy
1
germany
1
portugal
1
switzerland
1.5
r . m a c e d
i a
4.5
n
w a y
1
austria
5
b e l g i u m
0.5
china
1
d e n m a r k
1
japan
0.5
netherlands
✺ ✴ ✶✺
Australia Austria Belgium China Denmark Germany Iran Italy Japan R.Macedonia Netherlands Norway Poland Portugal Switzerland UK USA
✺ ✴ ✶✺
Belgium China Singapore Japan USA Germany Denmark Norway Austria France Poland Argentina Australia India Switzerland UK Other 29 28.5 22 17 16 9 8 6.5 5 5 5 4 4 4 4 4 17
✻ ✴ ✶✺
Singapore Luxembourg Belgium Denmark Norway R.Macedonia Austria Switzerland Israel Australia Other 40.7 36.4 25.9 14.2 12.7 12.1
5.9 4.9 3.7 1.7
9.9
✻ ✴ ✶✺
Belgium China USA Japan Germany Singapore Norway France Poland Australia Austria Denmark Switzerland India Iran Israel Other 18.5 18.5 13 12.5 9 9 5.5 5 5 4 4 4 4 3 3 3 15
✻ ✴ ✶✺
♥♦♥❝❡✲❞❡♣❡♥❞❡♥t s❡❝✉r✐t② ❛❣❛✐♥st ♥♦♥❝❡✲r❡✉s❡ ❆rt❡♠✐❛ ❆P❊ 2,3 ❆s❝♦♥ ❈❇❊❆▼✴❙❚❘■❇❖❇ 1 ■❈❊P❖▲❊ ❑❡t❥❡ ❑❡②❛❦ ◆❖❘❳ π✲❈✐♣❤❡r
1 ❈❇❊❆▼ ❛♥❞ ❙❚❘■❇❖❇ ✉s❡ ❇▲◆❑ s♣♦♥❣❡ ♠♦❞❡ 2 P❘■▼❆❚❊s ❂ {●■❇❇❖◆, ❍❆◆❯▼❆◆, ❆P❊} 3 ❛❧s♦ ✉s❡❞ ✐♥ s✉❜♠✐ss✐♦♥ Prøst
✼ ✴ ✶✺
♥♦♥❝❡✲❞❡♣❡♥❞❡♥t s❡❝✉r✐t② ❛❣❛✐♥st ♥♦♥❝❡✲r❡✉s❡ ❆rt❡♠✐❛ ❆P❊ 2,3 ❆s❝♦♥ ❈❇❊❆▼✴❙❚❘■❇❖❇ 1 ■❈❊P❖▲❊ ❑❡t❥❡ ❑❡②❛❦ ◆❖❘❳ π✲❈✐♣❤❡r
1 ❈❇❊❆▼ ❛♥❞ ❙❚❘■❇❖❇ ✉s❡ ❇▲◆❑ s♣♦♥❣❡ ♠♦❞❡ 2 P❘■▼❆❚❊s ❂ {●■❇❇❖◆, ❍❆◆❯▼❆◆, ❆P❊} 3 ❛❧s♦ ✉s❡❞ ✐♥ s✉❜♠✐ss✐♦♥ Prøst
✼ ✴ ✶✺
♥♦♥❝❡✲❞❡♣❡♥❞❡♥t s❡❝✉r✐t② ❛❣❛✐♥st ♥♦♥❝❡✲r❡✉s❡ ❆rt❡♠✐❛ ❆P❊ 2,3 ❆s❝♦♥ ❈❇❊❆▼✴❙❚❘■❇❖❇ 1 ■❈❊P❖▲❊ ❑❡t❥❡ ❑❡②❛❦ ◆❖❘❳ π✲❈✐♣❤❡r
1 ❈❇❊❆▼ ❛♥❞ ❙❚❘■❇❖❇ ✉s❡ ❇▲◆❑ s♣♦♥❣❡ ♠♦❞❡ 2 P❘■▼❆❚❊s ❂ {●■❇❇❖◆, ❍❆◆❯▼❆◆, ❆P❊} 3 ❛❧s♦ ✉s❡❞ ✐♥ s✉❜♠✐ss✐♦♥ Prøst
✼ ✴ ✶✺
♥♦♥❝❡✲❞❡♣❡♥❞❡♥t s❡❝✉r✐t② ❛❣❛✐♥st ♥♦♥❝❡✲r❡✉s❡ ❆rt❡♠✐❛ ❆P❊ 2,3 ❆s❝♦♥ ❈❇❊❆▼✴❙❚❘■❇❖❇ 1 ■❈❊P❖▲❊ ❑❡t❥❡ ❑❡②❛❦ ◆❖❘❳ π✲❈✐♣❤❡r
1 ❈❇❊❆▼ ❛♥❞ ❙❚❘■❇❖❇ ✉s❡ ❇▲◆❑ s♣♦♥❣❡ ♠♦❞❡ 2 P❘■▼❆❚❊s ❂ {●■❇❇❖◆, ❍❆◆❯▼❆◆, ❆P❊} 3 ❛❧s♦ ✉s❡❞ ✐♥ s✉❜♠✐ss✐♦♥ Prøst
✼ ✴ ✶✺
b c r κ s❡❝✉r✐t② ❆s❝♦♥ ✸✷✵ ✶✾✷ ✶✷✽ ✾✻ ✾✻ ✸✷✵ ✷✺✻ ✻✹ ✶✷✽ ✶✷✽ ❈❇❊❆▼ ✷✺✻ ✶✾✵ ✻✻ ✶✷✽ ✶✷✽ ■❈❊P❖▲❊ ✶✷✽✵ ✷✺✹ ✶✵✷✻ ✶✷✽ ✶✷✽ ✶✷✽✵ ✸✶✽ ✾✻✷ ✷✺✻ ✷✺✻ ❑❡②❛❦ ✽✵✵ ✷✺✷ ✺✹✽ ✶✷✽ ✶✷✽ ✶✻✵✵ ✷✺✷ ✶✸✹✽ ✶✷✽ ✶✷✽ ◆❖❘❳ ✺✶✷ ✶✾✷ ✸✷✵ ✶✷✽ ✶✷✽ ✶✵✷✹ ✸✽✹ ✻✹✵ ✷✺✻ ✷✺✻
❍❆◆❯▼❆◆ ✷✵✵ ✶✺✾ ✹✶ ✽✵ ✽✵ ✷✽✵ ✷✸✾ ✹✶ ✶✷✵ ✶✷✵ ❙❚❘■❇❖❇ ✺✶✷ ✷✺✹ ✷✺✽ ✶✾✷ ✶✾✷
✽ ✴ ✶✺
init(K, N) r c p p p p p p p p p p p p p p H... Hu id1 id2 M1,0 M1,v1 M2,0 M2,v2 C1,0 C1,v1 C2,0 C2,v2 T... Tw A 01 01 10 02 02 02 20 02 20 04 04 08
✾ ✴ ✶✺
✶✵ ✴ ✶✺
✶✵ ✴ ✶✺
✶✶ ✴ ✶✺
init(K, N) r c p1 p2 p2 p2 p2 p2 p2 H1 H... Hu M1 M... Mv C1 C... Cv 0c−κ K 0c−1 1 K 0c−κ K A
❆s❝♦♥
r c p p p p p p p p
10 20 40 40 40 50 50 50
K N H1 H... Hu M1 M... Mv C1 C... Cv A
❇▲◆❑ ✭✉s❡❞ ✐♥ ❈❇❊❆▼ ❛♥❞ ❙❚❘■❇❖❇✮
init(K, N) r c p1 p2 p2 p2 p2 p2 p2 p2 Msecret Csecret
1
H1 H... Hu
1 1
M1 M... Mv C1 C... Cv A
■❈❊P❖▲❊
✶✷ ✴ ✶✺
r c p p p p p p
00 00 01
(Hpad(K, N, H))1 (Hpad(K, N, H))... (Hpad(K, N, H))u
11 11 10
M1 M... Mv C1 C... Cv A
❑❡②❛❦
init(K, N) r c p1 p2 p2 p2 p3 p3 p3 p1 H1 H... Hu M1 M... Mv C1 C... Cv K 0c+1−κ K 0c+1−κ K A
init(K, N) r c p1 p4 p4 p1 p1 p1 p1 H1 H... Hu M1 M... Mv C1 C... Cv K A
❍❆◆❯▼❆◆ ✭P❘■▼❆❚❊s✮
✶✸ ✴ ✶✺
b c r κ s❡❝✉r✐t② ❆s❝♦♥ ✸✷✵ ✶✾✷ ✶✷✽ ✶✳✼✺ ✾✻ ✾✻ ✸✷✵ ✷✺✻ ✻✹ ✸ ✶✷✽ ✶✷✽ ❈❇❊❆▼ ✷✺✻ ✶✾✵ ✻✻ ✶✳✾✹ ✶✷✽ ✶✷✽ ■❈❊P❖▲❊ ✶✷✽✵ ✷✺✹ ✶✵✷✻ ✶✳✶✷ ✶✷✽ ✶✷✽ ✶✷✽✵ ✸✶✽ ✾✻✷ ✶✳✵✻ ✷✺✻ ✷✺✻ ❑❡②❛❦ ✽✵✵ ✷✺✷ ✺✹✽ ✶✳✷✸ ✶✷✽ ✶✷✽ ✶✻✵✵ ✷✺✷ ✶✸✹✽ ✶✳✵✾ ✶✷✽ ✶✷✽ ◆❖❘❳ ✺✶✷ ✶✾✷ ✸✷✵ ✶✳✷ ✶✷✽ ✶✷✽ ✶✵✷✹ ✸✽✹ ✻✹✵ ✶✳✷ ✷✺✻ ✷✺✻
❍❆◆❯▼❆◆ ✷✵✵ ✶✺✾ ✹✶ ✷✳✾✸ ✽✵ ✽✵ ✷✽✵ ✷✸✾ ✹✶ ✸✳✾✵ ✶✷✵ ✶✷✵ ❙❚❘■❇❖❇ ✺✶✷ ✷✺✹ ✷✺✽ ✶✳✷✹ ✶✾✷ ✶✾✷
✶✹ ✴ ✶✺
b c r
r rold
κ s❡❝✉r✐t② ❆s❝♦♥ ✸✷✵ ✾✻ ✷✷✹ ✶✳✼✺ ✾✻ ✾✻ ✸✷✵ ✶✷✽ ✶✾✷ ✸ ✶✷✽ ✶✷✽ ❈❇❊❆▼ ✷✺✻ ✶✾✵ ✻✻ ✶✳✾✹ ✶✷✽ ✶✷✽ ■❈❊P❖▲❊ ✶✷✽✵ ✷✺✹ ✶✵✷✻ ✶✳✶✷ ✶✷✽ ✶✷✽ ✶✷✽✵ ✸✶✽ ✾✻✷ ✶✳✵✻ ✷✺✻ ✷✺✻ ❑❡②❛❦ ✽✵✵ ✷✺✷ ✺✹✽ ✶✳✷✸ ✶✷✽ ✶✷✽ ✶✻✵✵ ✷✺✷ ✶✸✹✽ ✶✳✵✾ ✶✷✽ ✶✷✽ ◆❖❘❳ ✺✶✷ ✶✾✷ ✸✷✵ ✶✳✷ ✶✷✽ ✶✷✽ ✶✵✷✹ ✸✽✹ ✻✹✵ ✶✳✷ ✷✺✻ ✷✺✻
❍❆◆❯▼❆◆ ✷✵✵ ✶✺✾ ✹✶ ✷✳✾✸ ✽✵ ✽✵ ✷✽✵ ✷✸✾ ✹✶ ✸✳✾✵ ✶✷✵ ✶✷✵ ❙❚❘■❇❖❇ ✺✶✷ ✷✺✹ ✷✺✽ ✶✳✷✹ ✶✾✷ ✶✾✷
✶✹ ✴ ✶✺
b c r
r rold
κ s❡❝✉r✐t② ❆s❝♦♥ ✸✷✵ ✾✻ ✷✷✹ ✶✳✼✺ ✾✻ ✾✻ ✸✷✵ ✶✷✽ ✶✾✷ ✸ ✶✷✽ ✶✷✽ ❈❇❊❆▼ ✷✺✻ ✶✷✽ ✶✷✽ ✶✳✾✹ ✶✷✽ ✶✷✽ ■❈❊P❖▲❊ ✶✷✽✵ ✶✷✽ ✶✶✺✷ ✶✳✶✷ ✶✷✽ ✶✷✽ ✶✷✽✵ ✷✺✻ ✶✵✷✹ ✶✳✵✻ ✷✺✻ ✷✺✻ ❑❡②❛❦ ✽✵✵ ✶✷✽ ✻✼✷ ✶✳✷✸ ✶✷✽ ✶✷✽ ✶✻✵✵ ✶✷✽ ✶✹✼✷ ✶✳✵✾ ✶✷✽ ✶✷✽ ◆❖❘❳ ✺✶✷ ✶✷✽ ✸✽✹ ✶✳✷ ✶✷✽ ✶✷✽ ✶✵✷✹ ✷✺✻ ✼✻✽ ✶✳✷ ✷✺✻ ✷✺✻
❍❆◆❯▼❆◆ ✷✵✵ ✽✵ ✶✷✵ ✷✳✾✸ ✽✵ ✽✵ ✷✽✵ ✶✷✵ ✶✻✵ ✸✳✾✵ ✶✷✵ ✶✷✵ ❙❚❘■❇❖❇ ✺✶✷ ✶✾✷ ✸✷✵ ✶✳✷✹ ✶✾✷ ✶✾✷
✶✹ ✴ ✶✺
P❘■▼❆❚❊s✱ ❛♥❞ ❙❚❘■❇❖❇
✶✺ ✴ ✶✺
P❘■▼❆❚❊s✱ ❛♥❞ ❙❚❘■❇❖❇
✶✺ ✴ ✶✺
P❘■▼❆❚❊s✱ ❛♥❞ ❙❚❘■❇❖❇
✶✺ ✴ ✶✺
✶✻ ✴ ✶✺
❘❛♥❞♦♠ ♣❡r♠✉t❛t✐♦♥ ✱ ❦❡② ✱ ❛♥❞ ❆❊ ❉❡✜♥❡ ❂ t♦t❛❧ ❝♦♠♣❧❡①✐t② ❂
✲q✉❡r② ✜①❡s r❛t❡ ♣❛rt ♦❢ ✲st❛t❡ r❡❧❡✈❛♥t ✲st❛t❡s
✶✼ ✴ ✶✺
K) ❢r♦♠ (p, $)
✲q✉❡r② ✜①❡s r❛t❡ ♣❛rt ♦❢ ✲st❛t❡ r❡❧❡✈❛♥t ✲st❛t❡s
✶✼ ✴ ✶✺
K) ❢r♦♠ (p, $)
✲q✉❡r② ✜①❡s r❛t❡ ♣❛rt ♦❢ ✲st❛t❡ r❡❧❡✈❛♥t ✲st❛t❡s
✶✼ ✴ ✶✺
K) ❢r♦♠ (p, $)
E/2b ✭✉♥✐q✉❡ ♥♦♥❝❡✮
✲q✉❡r② ✜①❡s r❛t❡ ♣❛rt ♦❢ ✲st❛t❡ r❡❧❡✈❛♥t ✲st❛t❡s
✶✼ ✴ ✶✺
K) ❢r♦♠ (p, $)
E/2b ✭✉♥✐q✉❡ ♥♦♥❝❡✮
✲q✉❡r② ✜①❡s r❛t❡ ♣❛rt ♦❢ ✲st❛t❡ r❡❧❡✈❛♥t ✲st❛t❡s
✶✼ ✴ ✶✺
K) ❢r♦♠ (p, $)
E/2b ✭✉♥✐q✉❡ ♥♦♥❝❡✮
r❡❧❡✈❛♥t ✲st❛t❡s
✶✼ ✴ ✶✺
K) ❢r♦♠ (p, $)
E/2b ✭✉♥✐q✉❡ ♥♦♥❝❡✮
✶✼ ✴ ✶✺
K) ❢r♦♠ (p, $)
E/2b ✭✉♥✐q✉❡ ♥♦♥❝❡✮
✘ ❳❳❳ ❳
✶✼ ✴ ✶✺
K) ❢r♦♠ (p, $)
E/2b ✭✉♥✐q✉❡ ♥♦♥❝❡✮
✘ ❳❳❳ ❳
σE2c
q2r
1/2
✶✼ ✴ ✶✺
❘❛♥❞♦♠ ♣❡r♠✉t❛t✐♦♥ ❛♥❞ ❦❡② ❉❡✜♥❡ ❂ t♦t❛❧ ❝♦♠♣❧❡①✐t② ❂
✶✽ ✴ ✶✺
K, Dp K) ❛✐♠s t♦ ❢♦r❣❡
✶✽ ✴ ✶✺
K, Dp K) ❛✐♠s t♦ ❢♦r❣❡
E/2b + ρq/2c
✶✽ ✴ ✶✺
K, Dp K) ❛✐♠s t♦ ❢♦r❣❡
E/2b + ρq/2c
✶✽ ✴ ✶✺
K, Dp K) ❛✐♠s t♦ ❢♦r❣❡
E/2b + ρq/2c
✶✽ ✴ ✶✺
K, Dp K) ❛✐♠s t♦ ❢♦r❣❡
E/2b + ρq/2c
✶✽ ✴ ✶✺