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aeskey.c File Reference

Detailed Description

This file contains the code for implementing the key schedule for AES (Rijndael) for block and key sizes of 16, 24, and 32 bytes. See aesopt.h for further details including optimisation.

Author:
Dr Brian Gladman <brg@gladman.me.uk>

Definition in file aeskey.c.

#include "aesopt.h"

Include dependency graph for aeskey.c:

Go to the source code of this file.

Defines

#define ke4(k, i)
#define ke6(k, i)
#define ke8(k, i)
#define kel4(k, i)
#define kel6(k, i)
#define kel8(k, i)

Define Documentation

#define ke4 (  k,
i   ) 
 

Value:

{   k[4*(i)+4] = ss[0] ^= ls_box(ss[3],3) ^ t_use(r,c)[i]; k[4*(i)+5] = ss[1] ^= ss[0]; \
    k[4*(i)+6] = ss[2] ^= ss[1]; k[4*(i)+7] = ss[3] ^= ss[2]; \
}

Definition at line 69 of file aeskey.c.

#define ke6 (  k,
i   ) 
 

Value:

{   k[6*(i)+ 6] = ss[0] ^= ls_box(ss[5],3) ^ t_use(r,c)[i]; k[6*(i)+ 7] = ss[1] ^= ss[0]; \
    k[6*(i)+ 8] = ss[2] ^= ss[1]; k[6*(i)+ 9] = ss[3] ^= ss[2]; \
    k[6*(i)+10] = ss[4] ^= ss[3]; k[6*(i)+11] = ss[5] ^= ss[4]; \
}

Definition at line 78 of file aeskey.c.

#define ke8 (  k,
i   ) 
 

Value:

{   k[8*(i)+ 8] = ss[0] ^= ls_box(ss[7],3) ^ t_use(r,c)[i]; k[8*(i)+ 9] = ss[1] ^= ss[0]; \
    k[8*(i)+10] = ss[2] ^= ss[1]; k[8*(i)+11] = ss[3] ^= ss[2]; \
    k[8*(i)+12] = ss[4] ^= ls_box(ss[3],0); k[8*(i)+13] = ss[5] ^= ss[4]; \
    k[8*(i)+14] = ss[6] ^= ss[5]; k[8*(i)+15] = ss[7] ^= ss[6]; \
}

Definition at line 88 of file aeskey.c.

#define kel4 (  k,
i   ) 
 

Value:

{   k[4*(i)+4] = ss[0] ^= ls_box(ss[3],3) ^ t_use(r,c)[i]; k[4*(i)+5] = ss[1] ^= ss[0]; \
    k[4*(i)+6] = ss[2] ^= ss[1]; k[4*(i)+7] = ss[3] ^= ss[2]; \
}

Definition at line 73 of file aeskey.c.

#define kel6 (  k,
i   ) 
 

Value:

{   k[6*(i)+ 6] = ss[0] ^= ls_box(ss[5],3) ^ t_use(r,c)[i]; k[6*(i)+ 7] = ss[1] ^= ss[0]; \
    k[6*(i)+ 8] = ss[2] ^= ss[1]; k[6*(i)+ 9] = ss[3] ^= ss[2]; \
}

Definition at line 83 of file aeskey.c.

#define kel8 (  k,
i   ) 
 

Value:

{   k[8*(i)+ 8] = ss[0] ^= ls_box(ss[7],3) ^ t_use(r,c)[i]; k[8*(i)+ 9] = ss[1] ^= ss[0]; \
    k[8*(i)+10] = ss[2] ^= ss[1]; k[8*(i)+11] = ss[3] ^= ss[2]; \
}

Definition at line 94 of file aeskey.c.

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