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cmac: fix whitespace/codingstyle issues

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Manuel Pégourié-Gonnard 2016-01-13 11:00:47 +00:00 committed by Simon Butcher
parent 690083c21d
commit 3da5402a89
1 changed files with 35 additions and 26 deletions
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23
library/cmac.c
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@ -64,7 +64,8 @@
*/
#define UPDATE_CMAC( x ) \
XOR_128( Mn, ( x ), Mn ); \
if( ( ret = mbedtls_cipher_update( &ctx->cipher_ctx, Mn, 16, Mn, &olen ) ) != 0 ) \
if( ( ret = mbedtls_cipher_update( &ctx->cipher_ctx, \
Mn, 16, Mn, &olen ) ) != 0 ) \
return( ret );
/* Implementation that should never be optimized out by the compiler */
@ -97,6 +98,7 @@ static void leftshift_onebit(unsigned char *input, unsigned char *output)
output[i] |= overflow;
overflow = temp >> 7;
}
return;
}
@ -105,14 +107,15 @@ static void leftshift_onebit(unsigned char *input, unsigned char *output)
*/
static int generate_subkeys( mbedtls_cmac_context *ctx )
{
static const unsigned char Rb[2] = {0x00, 0x87}; /* Note - block size 16 only */
static const unsigned char Rb[2] = { 0x00, 0x87 }; /* block size 16 only */
int ret;
unsigned char L[16];
size_t olen;
/* Calculate Ek(0) */
memset( L, 0, 16 );
if( ( ret = mbedtls_cipher_update( &ctx->cipher_ctx, L, 16, L, &olen ) ) != 0 )
if( ( ret = mbedtls_cipher_update( &ctx->cipher_ctx,
L, 16, L, &olen ) ) != 0 )
{
return( ret );
}
@ -144,7 +147,8 @@ int mbedtls_cmac_setkey( mbedtls_cmac_context *ctx,
int ret;
const mbedtls_cipher_info_t *cipher_info;
cipher_info = mbedtls_cipher_info_from_values( cipher, keybits, MBEDTLS_MODE_ECB );
cipher_info = mbedtls_cipher_info_from_values( cipher, keybits,
MBEDTLS_MODE_ECB );
if( cipher_info == NULL )
return( MBEDTLS_ERR_CMAC_BAD_INPUT );
@ -175,7 +179,9 @@ void mbedtls_cmac_free( mbedtls_cmac_context *ctx )
}
/* TODO: Use cipher padding function? */
static void padding(const unsigned char *lastb, unsigned char *pad, const size_t length)
static void padding( const unsigned char *lastb,
unsigned char *pad,
const size_t length )
{
size_t j;
@ -318,7 +324,8 @@ int mbedtls_aes_cmac_prf_128( mbedtls_cmac_context *ctx,
/* Key is AES_CMAC(0, key) */
mbedtls_cmac_init( &zero_ctx );
memset( zero_key, 0, 16 );
ret = mbedtls_cmac_setkey( &zero_ctx, MBEDTLS_CIPHER_ID_AES, zero_key, 8 * sizeof zero_key );
ret = mbedtls_cmac_setkey( &zero_ctx, MBEDTLS_CIPHER_ID_AES,
zero_key, 8 * sizeof zero_key );
if( ret != 0 )
{
return( ret );
@ -330,7 +337,8 @@ int mbedtls_aes_cmac_prf_128( mbedtls_cmac_context *ctx,
}
}
ret = mbedtls_cmac_setkey( ctx, MBEDTLS_CIPHER_ID_AES, int_key, 8 * sizeof int_key );
ret = mbedtls_cmac_setkey( ctx, MBEDTLS_CIPHER_ID_AES,
int_key, 8 * sizeof int_key );
if( ret != 0 )
{
return( ret );
@ -482,6 +490,7 @@ int mbedtls_cmac_self_test( int verbose )
return( 1 );
}
ret = mbedtls_cmac_verify( &ctx, M, Mlen[i], T[i], 16 );
if( ret != 0 )
{