ISO/IEC 29192-2:2012
Information technology — Security techniques — Lightweight cryptography — Part 2: Block ciphers
ISO/IEC 29192-2:2012 specifies two block ciphers suitable for lightweight cryptography:
a) PRESENT: a lightweight block cipher with a block size of 64 bits and a key size of 80 or 128 bits;
b) CLEFIA: a lightweight block cipher with a block size of 128 bits and a key size of 128, 192 or 256 bits.
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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
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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