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구현 - Flow Chart. 16-bit key. Round 0. w0. w1. w2. w3. w4. w5. 16-bit plaintext. Round 2. W[0,1]. Add round key. Nibble substitution. Shift row. Round 1. Nibble substitution. W[4,5]. Add round key. Shift row. 16-bit ciphertext. Mix columns. W[2,3]. Add round key.

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Flow chart
구현 - Flow Chart

16-bit key

Round 0

w0

w1

w2

w3

w4

w5

16-bit plaintext

Round 2

W[0,1]

Add round key

  • Nibble substitution

  • Shift row

Round 1

Nibble substitution

W[4,5]

Add round key

  • Shift row

16-bit ciphertext

Mix columns

W[2,3]

Add round key


Round0
구현 - Round0

16-bit key

Round 0

16-bit plaintext

W[0,1]

Add round key

2 key

XOR


Round1
구현 - Round1

Round 1

Nibble substitution

[15:12]

[11:8]

[7:4]

[3:0]

  • Shift row

[15:12]

[11:8]

[7:4]

[3:0]

Mix columns

Add round key


Round11

Round 1

구현 - Round1(계속)

Nibble substitution

16-bit key

  • Shift row

W[2,3]

Mix columns

Add round key

regX = 4ㆍnibbleX

x

=

=

output


Round2
구현 – Round2

16-bit key

Round 2

Nibble substitution

  • Shift row

W[4,5]

Add round key


Flow chart1
구현 - Flow Chart

16-bit key

Expanded Key

w0

w1

w2

w3

w4

w5

Round 0

Round 1

Round 2

Output


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