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- Moved from unsigned long to uint32_t throughout code

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This commit is contained in:
Paul Bakker
2012-10-01 14:41:15 +00:00
parent 6adff7497a
commit 5c2364c2ba
34 changed files with 539 additions and 454 deletions
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192
library/aes.c
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@ -41,18 +41,18 @@
/*
* 32-bit integer manipulation macros (little endian)
*/
#ifndef GET_ULONG_LE
#define GET_ULONG_LE(n,b,i) \
#ifndef GET_UINT32_LE
#define GET_UINT32_LE(n,b,i) \
{ \
(n) = ( (unsigned long) (b)[(i) ] ) \
| ( (unsigned long) (b)[(i) + 1] << 8 ) \
| ( (unsigned long) (b)[(i) + 2] << 16 ) \
| ( (unsigned long) (b)[(i) + 3] << 24 ); \
(n) = ( (uint32_t) (b)[(i) ] ) \
| ( (uint32_t) (b)[(i) + 1] << 8 ) \
| ( (uint32_t) (b)[(i) + 2] << 16 ) \
| ( (uint32_t) (b)[(i) + 3] << 24 ); \
}
#endif
#ifndef PUT_ULONG_LE
#define PUT_ULONG_LE(n,b,i) \
#ifndef PUT_UINT32_LE
#define PUT_UINT32_LE(n,b,i) \
{ \
(b)[(i) ] = (unsigned char) ( (n) ); \
(b)[(i) + 1] = (unsigned char) ( (n) >> 8 ); \
@ -177,19 +177,19 @@ static const unsigned char FSb[256] =
V(CB,B0,B0,7B), V(FC,54,54,A8), V(D6,BB,BB,6D), V(3A,16,16,2C)
#define V(a,b,c,d) 0x##a##b##c##d
static const unsigned long FT0[256] = { FT };
static const uint32_t FT0[256] = { FT };
#undef V
#define V(a,b,c,d) 0x##b##c##d##a
static const unsigned long FT1[256] = { FT };
static const uint32_t FT1[256] = { FT };
#undef V
#define V(a,b,c,d) 0x##c##d##a##b
static const unsigned long FT2[256] = { FT };
static const uint32_t FT2[256] = { FT };
#undef V
#define V(a,b,c,d) 0x##d##a##b##c
static const unsigned long FT3[256] = { FT };
static const uint32_t FT3[256] = { FT };
#undef V
#undef FT
@ -304,19 +304,19 @@ static const unsigned char RSb[256] =
V(61,84,CB,7B), V(70,B6,32,D5), V(74,5C,6C,48), V(42,57,B8,D0)
#define V(a,b,c,d) 0x##a##b##c##d
static const unsigned long RT0[256] = { RT };
static const uint32_t RT0[256] = { RT };
#undef V
#define V(a,b,c,d) 0x##b##c##d##a
static const unsigned long RT1[256] = { RT };
static const uint32_t RT1[256] = { RT };
#undef V
#define V(a,b,c,d) 0x##c##d##a##b
static const unsigned long RT2[256] = { RT };
static const uint32_t RT2[256] = { RT };
#undef V
#define V(a,b,c,d) 0x##d##a##b##c
static const unsigned long RT3[256] = { RT };
static const uint32_t RT3[256] = { RT };
#undef V
#undef RT
@ -324,7 +324,7 @@ static const unsigned long RT3[256] = { RT };
/*
* Round constants
*/
static const unsigned long RCON[10] =
static const uint32_t RCON[10] =
{
0x00000001, 0x00000002, 0x00000004, 0x00000008,
0x00000010, 0x00000020, 0x00000040, 0x00000080,
@ -337,24 +337,24 @@ static const unsigned long RCON[10] =
* Forward S-box & tables
*/
static unsigned char FSb[256];
static unsigned long FT0[256];
static unsigned long FT1[256];
static unsigned long FT2[256];
static unsigned long FT3[256];
static uint32_t FT0[256];
static uint32_t FT1[256];
static uint32_t FT2[256];
static uint32_t FT3[256];
/*
* Reverse S-box & tables
*/
static unsigned char RSb[256];
static unsigned long RT0[256];
static unsigned long RT1[256];
static unsigned long RT2[256];
static unsigned long RT3[256];
static uint32_t RT0[256];
static uint32_t RT1[256];
static uint32_t RT2[256];
static uint32_t RT3[256];
/*
* Round constants
*/
static unsigned long RCON[10];
static uint32_t RCON[10];
/*
* Tables generation code
@ -386,7 +386,7 @@ static void aes_gen_tables( void )
*/
for( i = 0, x = 1; i < 10; i++ )
{
RCON[i] = (unsigned long) x;
RCON[i] = (uint32_t) x;
x = XTIME( x ) & 0xFF;
}
@ -419,10 +419,10 @@ static void aes_gen_tables( void )
y = XTIME( x ) & 0xFF;
z = ( y ^ x ) & 0xFF;
FT0[i] = ( (unsigned long) y ) ^
( (unsigned long) x << 8 ) ^
( (unsigned long) x << 16 ) ^
( (unsigned long) z << 24 );
FT0[i] = ( (uint32_t) y ) ^
( (uint32_t) x << 8 ) ^
( (uint32_t) x << 16 ) ^
( (uint32_t) z << 24 );
FT1[i] = ROTL8( FT0[i] );
FT2[i] = ROTL8( FT1[i] );
@ -430,10 +430,10 @@ static void aes_gen_tables( void )
x = RSb[i];
RT0[i] = ( (unsigned long) MUL( 0x0E, x ) ) ^
( (unsigned long) MUL( 0x09, x ) << 8 ) ^
( (unsigned long) MUL( 0x0D, x ) << 16 ) ^
( (unsigned long) MUL( 0x0B, x ) << 24 );
RT0[i] = ( (uint32_t) MUL( 0x0E, x ) ) ^
( (uint32_t) MUL( 0x09, x ) << 8 ) ^
( (uint32_t) MUL( 0x0D, x ) << 16 ) ^
( (uint32_t) MUL( 0x0B, x ) << 24 );
RT1[i] = ROTL8( RT0[i] );
RT2[i] = ROTL8( RT1[i] );
@ -449,7 +449,7 @@ static void aes_gen_tables( void )
int aes_setkey_enc( aes_context *ctx, const unsigned char *key, unsigned int keysize )
{
unsigned int i;
unsigned long *RK;
uint32_t *RK;
#if !defined(POLARSSL_AES_ROM_TABLES)
if( aes_init_done == 0 )
@ -480,7 +480,7 @@ int aes_setkey_enc( aes_context *ctx, const unsigned char *key, unsigned int key
for( i = 0; i < (keysize >> 5); i++ )
{
GET_ULONG_LE( RK[i], key, i << 2 );
GET_UINT32_LE( RK[i], key, i << 2 );
}
switch( ctx->nr )
@ -490,10 +490,10 @@ int aes_setkey_enc( aes_context *ctx, const unsigned char *key, unsigned int key
for( i = 0; i < 10; i++, RK += 4 )
{
RK[4] = RK[0] ^ RCON[i] ^
( (unsigned long) FSb[ ( RK[3] >> 8 ) & 0xFF ] ) ^
( (unsigned long) FSb[ ( RK[3] >> 16 ) & 0xFF ] << 8 ) ^
( (unsigned long) FSb[ ( RK[3] >> 24 ) & 0xFF ] << 16 ) ^
( (unsigned long) FSb[ ( RK[3] ) & 0xFF ] << 24 );
( (uint32_t) FSb[ ( RK[3] >> 8 ) & 0xFF ] ) ^
( (uint32_t) FSb[ ( RK[3] >> 16 ) & 0xFF ] << 8 ) ^
( (uint32_t) FSb[ ( RK[3] >> 24 ) & 0xFF ] << 16 ) ^
( (uint32_t) FSb[ ( RK[3] ) & 0xFF ] << 24 );
RK[5] = RK[1] ^ RK[4];
RK[6] = RK[2] ^ RK[5];
@ -506,10 +506,10 @@ int aes_setkey_enc( aes_context *ctx, const unsigned char *key, unsigned int key
for( i = 0; i < 8; i++, RK += 6 )
{
RK[6] = RK[0] ^ RCON[i] ^
( (unsigned long) FSb[ ( RK[5] >> 8 ) & 0xFF ] ) ^
( (unsigned long) FSb[ ( RK[5] >> 16 ) & 0xFF ] << 8 ) ^
( (unsigned long) FSb[ ( RK[5] >> 24 ) & 0xFF ] << 16 ) ^
( (unsigned long) FSb[ ( RK[5] ) & 0xFF ] << 24 );
( (uint32_t) FSb[ ( RK[5] >> 8 ) & 0xFF ] ) ^
( (uint32_t) FSb[ ( RK[5] >> 16 ) & 0xFF ] << 8 ) ^
( (uint32_t) FSb[ ( RK[5] >> 24 ) & 0xFF ] << 16 ) ^
( (uint32_t) FSb[ ( RK[5] ) & 0xFF ] << 24 );
RK[7] = RK[1] ^ RK[6];
RK[8] = RK[2] ^ RK[7];
@ -524,20 +524,20 @@ int aes_setkey_enc( aes_context *ctx, const unsigned char *key, unsigned int key
for( i = 0; i < 7; i++, RK += 8 )
{
RK[8] = RK[0] ^ RCON[i] ^
( (unsigned long) FSb[ ( RK[7] >> 8 ) & 0xFF ] ) ^
( (unsigned long) FSb[ ( RK[7] >> 16 ) & 0xFF ] << 8 ) ^
( (unsigned long) FSb[ ( RK[7] >> 24 ) & 0xFF ] << 16 ) ^
( (unsigned long) FSb[ ( RK[7] ) & 0xFF ] << 24 );
( (uint32_t) FSb[ ( RK[7] >> 8 ) & 0xFF ] ) ^
( (uint32_t) FSb[ ( RK[7] >> 16 ) & 0xFF ] << 8 ) ^
( (uint32_t) FSb[ ( RK[7] >> 24 ) & 0xFF ] << 16 ) ^
( (uint32_t) FSb[ ( RK[7] ) & 0xFF ] << 24 );
RK[9] = RK[1] ^ RK[8];
RK[10] = RK[2] ^ RK[9];
RK[11] = RK[3] ^ RK[10];
RK[12] = RK[4] ^
( (unsigned long) FSb[ ( RK[11] ) & 0xFF ] ) ^
( (unsigned long) FSb[ ( RK[11] >> 8 ) & 0xFF ] << 8 ) ^
( (unsigned long) FSb[ ( RK[11] >> 16 ) & 0xFF ] << 16 ) ^
( (unsigned long) FSb[ ( RK[11] >> 24 ) & 0xFF ] << 24 );
( (uint32_t) FSb[ ( RK[11] ) & 0xFF ] ) ^
( (uint32_t) FSb[ ( RK[11] >> 8 ) & 0xFF ] << 8 ) ^
( (uint32_t) FSb[ ( RK[11] >> 16 ) & 0xFF ] << 16 ) ^
( (uint32_t) FSb[ ( RK[11] >> 24 ) & 0xFF ] << 24 );
RK[13] = RK[5] ^ RK[12];
RK[14] = RK[6] ^ RK[13];
@ -560,8 +560,8 @@ int aes_setkey_dec( aes_context *ctx, const unsigned char *key, unsigned int key
{
int i, j;
aes_context cty;
unsigned long *RK;
unsigned long *SK;
uint32_t *RK;
uint32_t *SK;
int ret;
switch( keysize )
@ -669,7 +669,7 @@ int aes_crypt_ecb( aes_context *ctx,
unsigned char output[16] )
{
int i;
unsigned long *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
uint32_t *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3;
#if defined(POLARSSL_PADLOCK_C) && defined(POLARSSL_HAVE_X86)
if( aes_padlock_ace )
@ -685,10 +685,10 @@ int aes_crypt_ecb( aes_context *ctx,
RK = ctx->rk;
GET_ULONG_LE( X0, input, 0 ); X0 ^= *RK++;
GET_ULONG_LE( X1, input, 4 ); X1 ^= *RK++;
GET_ULONG_LE( X2, input, 8 ); X2 ^= *RK++;
GET_ULONG_LE( X3, input, 12 ); X3 ^= *RK++;
GET_UINT32_LE( X0, input, 0 ); X0 ^= *RK++;
GET_UINT32_LE( X1, input, 4 ); X1 ^= *RK++;
GET_UINT32_LE( X2, input, 8 ); X2 ^= *RK++;
GET_UINT32_LE( X3, input, 12 ); X3 ^= *RK++;
if( mode == AES_DECRYPT )
{
@ -701,28 +701,28 @@ int aes_crypt_ecb( aes_context *ctx,
AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
X0 = *RK++ ^ \
( (unsigned long) RSb[ ( Y0 ) & 0xFF ] ) ^
( (unsigned long) RSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
( (unsigned long) RSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
( (unsigned long) RSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
( (uint32_t) RSb[ ( Y0 ) & 0xFF ] ) ^
( (uint32_t) RSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
( (uint32_t) RSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
( (uint32_t) RSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
X1 = *RK++ ^ \
( (unsigned long) RSb[ ( Y1 ) & 0xFF ] ) ^
( (unsigned long) RSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
( (unsigned long) RSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
( (unsigned long) RSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
( (uint32_t) RSb[ ( Y1 ) & 0xFF ] ) ^
( (uint32_t) RSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
( (uint32_t) RSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
( (uint32_t) RSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
X2 = *RK++ ^ \
( (unsigned long) RSb[ ( Y2 ) & 0xFF ] ) ^
( (unsigned long) RSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
( (unsigned long) RSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
( (unsigned long) RSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
( (uint32_t) RSb[ ( Y2 ) & 0xFF ] ) ^
( (uint32_t) RSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
( (uint32_t) RSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
( (uint32_t) RSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
X3 = *RK++ ^ \
( (unsigned long) RSb[ ( Y3 ) & 0xFF ] ) ^
( (unsigned long) RSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
( (unsigned long) RSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
( (unsigned long) RSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
( (uint32_t) RSb[ ( Y3 ) & 0xFF ] ) ^
( (uint32_t) RSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
( (uint32_t) RSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
( (uint32_t) RSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
}
else /* AES_ENCRYPT */
{
@ -735,34 +735,34 @@ int aes_crypt_ecb( aes_context *ctx,
AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 );
X0 = *RK++ ^ \
( (unsigned long) FSb[ ( Y0 ) & 0xFF ] ) ^
( (unsigned long) FSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
( (unsigned long) FSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
( (unsigned long) FSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
( (uint32_t) FSb[ ( Y0 ) & 0xFF ] ) ^
( (uint32_t) FSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^
( (uint32_t) FSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^
( (uint32_t) FSb[ ( Y3 >> 24 ) & 0xFF ] << 24 );
X1 = *RK++ ^ \
( (unsigned long) FSb[ ( Y1 ) & 0xFF ] ) ^
( (unsigned long) FSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
( (unsigned long) FSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
( (unsigned long) FSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
( (uint32_t) FSb[ ( Y1 ) & 0xFF ] ) ^
( (uint32_t) FSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^
( (uint32_t) FSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^
( (uint32_t) FSb[ ( Y0 >> 24 ) & 0xFF ] << 24 );
X2 = *RK++ ^ \
( (unsigned long) FSb[ ( Y2 ) & 0xFF ] ) ^
( (unsigned long) FSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
( (unsigned long) FSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
( (unsigned long) FSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
( (uint32_t) FSb[ ( Y2 ) & 0xFF ] ) ^
( (uint32_t) FSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^
( (uint32_t) FSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^
( (uint32_t) FSb[ ( Y1 >> 24 ) & 0xFF ] << 24 );
X3 = *RK++ ^ \
( (unsigned long) FSb[ ( Y3 ) & 0xFF ] ) ^
( (unsigned long) FSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
( (unsigned long) FSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
( (unsigned long) FSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
( (uint32_t) FSb[ ( Y3 ) & 0xFF ] ) ^
( (uint32_t) FSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^
( (uint32_t) FSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^
( (uint32_t) FSb[ ( Y2 >> 24 ) & 0xFF ] << 24 );
}
PUT_ULONG_LE( X0, output, 0 );
PUT_ULONG_LE( X1, output, 4 );
PUT_ULONG_LE( X2, output, 8 );
PUT_ULONG_LE( X3, output, 12 );
PUT_UINT32_LE( X0, output, 0 );
PUT_UINT32_LE( X1, output, 4 );
PUT_UINT32_LE( X2, output, 8 );
PUT_UINT32_LE( X3, output, 12 );
return( 0 );
}