A Dedicated Processor for the eta Pairing

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DUAL_PORT_SQUARE_BLOCK

BLOCK

SQUARE

DUAL PORT

BLOCK

SQUARE

DUAL PORT

x

1

[k

4

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1

[k

6

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x

1

[k

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x

2

[k

3

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2

[k

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x

y

1

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4

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1

[k

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y

2

[k

2

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2

[k

1

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write en

addr b

SINGLE PORT

SQUARE

BLOCK

SINGLE PORT

SQUARE

BLOCK

d or f

2

i

k[5]

i

k[4]

k[6]i

0

1

0

1

clk

i

i

rst

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xp

m

xq

yp

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cont_ind="00"

i

xp

clk

rst

read_mode

cont_ind="01"

xq

clk

rst

read_mode

cont_ind="10"

i

yp

clk

rst

read_mode

cont_ind="11"

yq

dout 0

dout 1

dout 2

dout 4

dout 3

dout 5

dout 6

dout 7

dout 8

c or g

b or h

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i

rst

clk

p

rst

x

clk

m

addr a

precomp_done

PRECOMP_BLOCK

read_mode

rst

clk

i

k[5] arr

k[4] arr

k[6] arr

DUAL PORT

dout b

dout a

SQUARE_BLOCK_CONTROL

SQUARE_BLOCK

COMB. LOGIC

counter

0

1

en_l

2 To 1

Mux

2 To 1 Mux

CONSTANT

ARRAY

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precomp_done

count

BLOCK RAM

FIELD SQUARER

DIn

addr a

addr b

write en

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DUAL_MODE_MUL_UNIT

KAR_IN_

BLOCK

0

1

0

4

mul_in_kar_1

mul_in_kar_0

DIn0(11m to 6m)

12*m

1

0

DIn0(5m to 0)

12*m

DIn0(11m to 0)

cont_add_mux

mul_in_non_kar

DIn1

cont_kar_mode

mul_in

24*m

cont_kar_mode

cont_add_mux

rst

clk

cont_outp_mux

DIn0

DIn1

DIn2

3*m

6*m

24*m

DIn0(24m to 19m)

din2(2m to m)

din2(2m to m)

din2(m to 0)

mul_res 1

mul_res 2

mul_res 3

mul_res 4

mul_res 5

mul_res 6

mul_res 7

mul_res 8

mul_res 9

mul_res 10

mul_res 0

cont_outp_mux

mul_res 0

mul_res 1

mul_res 2

mul_res 3

mul_res 4

mul_res 5

mul_res 6

mul_res 8

mul_res 9

mul_res 10

mul_res 11

add_res 0

add_res 1

add_res 2

add_res 3

add_res 4

add_res 5

mul_res 7

mul_res 11

mul_kar_res_1

mul_kar_res_0

PAD

cont_kar_mode

10*m

12*m

5*m

12*m

done_mul

DOut

1

0

clk

rst

done_mul

mul_in_kar

12*m

mul_kar_res

mul_res 0

add_res 0

add_res 1

mul_res 3

mul_res 1

mul_res 2

mul_res 4

add_res 2

mul_res 5

mul_res 6

mul_res 9

mul_res 10

mul_res 11

DIGIT_

BLOCK

mul_res 8

FIELD_

OUT_

MUX_

BANK

KAR_OUT_

BLOCK 1

KAR_OUT_

BLOCK 0

KAR_IN_

BLOCK

1

ADD_

BLOCK

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add_res 3

mul_res 7

add_res 4

add_res 5

6*m

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