Fri Aug 24 02:22:22 2007

Asterisk developer's documentation

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aeskey.c File Reference

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. More...

#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)

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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.

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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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