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aeskey.c File Reference

#include "aesopt.h"

Include dependency graph for aeskey.c:

Include dependency graph

Defines

#define ke4(k, i)
#define kel4(k, i)
#define ke6(k, i)
#define kel6(k, i)
#define ke8(k, i)
#define kel8(k, i)
#define ff(x)   inv_mcol(x)
#define kdf4(k, i)
#define kd4(k, i)
#define kdl4(k, i)
#define kdf6(k, i)
#define kd6(k, i)
#define kdl6(k, i)
#define kdf8(k, i)
#define kd8(k, i)
#define kdl8(k, i)

Functions

int aes_encrypt_key128 (const void *in_key, aes_encrypt_ctx cx)
int aes_encrypt_key192 (const void *in_key, aes_encrypt_ctx cx)
int aes_encrypt_key256 (const void *in_key, aes_encrypt_ctx cx)
int aes_encrypt_key (const void *in_key, int key_len, aes_encrypt_ctx cx)
int aes_decrypt_key128 (const void *in_key, aes_decrypt_ctx cx)
int aes_decrypt_key192 (const void *in_key, aes_decrypt_ctx cx)
int aes_decrypt_key256 (const void *in_key, aes_decrypt_ctx cx)
int aes_decrypt_key (const void *in_key, int key_len, aes_decrypt_ctx cx)

Define Documentation

#define ff (  x    )     inv_mcol(x)
 

#define kd4 (  k,
i    ) 
 

Value:

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

#define kd6 (  k,
i    ) 
 

Value:

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

#define kd8 (  k,
i    ) 
 

Value:

{   aes_32t g = ls_box(ss[7],3) ^ t_use(r,c)[i]; \
    ss[0] ^= g; g = ff(g); k[8*(i)+ 8] = g ^= k[8*(i)]; \
    ss[1] ^= ss[0]; k[8*(i)+ 9] = g ^= k[8*(i)+ 1]; \
    ss[2] ^= ss[1]; k[8*(i)+10] = g ^= k[8*(i)+ 2]; \
    ss[3] ^= ss[2]; k[8*(i)+11] = g ^= k[8*(i)+ 3]; \
    g = ls_box(ss[3],0); \
    ss[4] ^= g; g = ff(g); k[8*(i)+12] = g ^= k[8*(i)+ 4]; \
    ss[5] ^= ss[4]; k[8*(i)+13] = g ^= k[8*(i)+ 5]; \
    ss[6] ^= ss[5]; k[8*(i)+14] = g ^= k[8*(i)+ 6]; \
    ss[7] ^= ss[6]; k[8*(i)+15] = g ^= k[8*(i)+ 7]; \
}

#define kdf4 (  k,
i    ) 
 

Value:

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

#define kdf6 (  k,
i    ) 
 

Value:

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

#define kdf8 (  k,
i    ) 
 

Value:

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

#define kdl4 (  k,
i    ) 
 

Value:

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

#define kdl6 (  k,
i    ) 
 

Value:

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

#define kdl8 (  k,
i    ) 
 

Value:

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

#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]; \
}

#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]; \
}

#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]; \
}

#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]; \
}

#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]; \
}

#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]; \
}

Function Documentation

int aes_decrypt_key (  const void *    in_key,
int    key_len,
aes_decrypt_ctx    cx
) 
 

int aes_decrypt_key128 (  const void *    in_key,
aes_decrypt_ctx    cx
) 
 

int aes_decrypt_key192 (  const void *    in_key,
aes_decrypt_ctx    cx
) 
 

int aes_decrypt_key256 (  const void *    in_key,
aes_decrypt_ctx    cx
) 
 

int aes_encrypt_key (  const void *    in_key,
int    key_len,
aes_encrypt_ctx    cx
) 
 

int aes_encrypt_key128 (  const void *    in_key,
aes_encrypt_ctx    cx
) 
 

int aes_encrypt_key192 (  const void *    in_key,
aes_encrypt_ctx    cx
) 
 

int aes_encrypt_key256 (  const void *    in_key,
aes_encrypt_ctx    cx
) 
 

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