ISO/IEC 29192-2:2012

1 Scope

2 Normative references

3 Terms and definitions

4 Symbols

5 Lightweight block cipher with a block size of 64 bits

5.1 PRESENT

5.1.1 PRESENT algorithm

5.1.2 PRESENT specific notations

5.1.3 PRESENT encryption

5.1.4 PRESENT decryption

5.1.5 PRESENT transformations

5.1.5.1 addRoundKey

5.1.5.2 sBoxLayer

5.1.5.3 invsBoxLayer

5.1.5.4 pLayer

5.1.5.5 invpLayer

5.1.6 PRESENT key schedule

5.1.6.1 PRESENT-80 and PRESENT-128

5.1.6.2 80-bit key for PRESENT-80

5.1.6.3 128-bit key for PRESENT-128

6 Lightweight block cipher with a block size of 128 bits

6.1 CLEFIA

6.1.1 CLEFIA algorithm

6.1.2 CLEFIA specific notations

6.1.3 CLEFIA encryption

6.1.4 CLEFIA decryption

6.1.5 CLEFIA building blocks

6.1.5.1 GFNd,r

6.1.5.2 F-functions

6.1.5.3 S-boxes

a) S-box S0

b) S-box S1

6.1.5.4 Diffusion matrices

6.1.6 CLEFIA key schedule

6.1.6.1 Overall structure

6.1.6.2 Key schedule for a 128-bit key

6.1.6.3 Key schedule for a 192-bit key

6.1.6.4 Key schedule for a 256-bit key

6.1.6.5 DoubleSwap function

6.1.6.6 Constant values