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Update AES-128 bit configuration

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- Do not include MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH to full config
  as it requires also MBEDTLS_CTR_DRBG_USE_128_BIT_KEY

- Update check_config to check availability of flags:
   MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH
   MBEDTLS_CTR_DRBG_USE_128_BIT_KEY
This commit is contained in:
Arto Kinnunen 2019-10-16 10:17:48 +03:00
parent 60b11064c5
commit 265d162d07
3 changed files with 14 additions and 8 deletions
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4
include/mbedtls/check_config.h
View file

@ -74,6 +74,10 @@
#error "MBEDTLS_CTR_DRBG_C defined, but not all prerequisites"
#endif
#if defined(MBEDTLS_CTR_DRBG_C) && defined(MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH) && !defined(MBEDTLS_CTR_DRBG_USE_128_BIT_KEY)
#error "MBEDTLS_CTR_DRBG_C and MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH defined, but MBEDTLS_CTR_DRBG_USE_128_BIT_KEY is not defined"
#endif
#if defined(MBEDTLS_DHM_C) && !defined(MBEDTLS_BIGNUM_C)
#error "MBEDTLS_DHM_C defined, but not all prerequisites"
#endif

16
programs/ssl/query_config.c
View file

@ -746,6 +746,14 @@ int query_config( const char *config )
}
#endif /* MBEDTLS_AES_FEWER_TABLES */
#if defined(MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH)
if( strcmp( "MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH", config ) == 0 )
{
MACRO_EXPANSION_TO_STR( MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH );
return( 0 );
}
#endif /* MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH */
#if defined(MBEDTLS_CAMELLIA_SMALL_MEMORY)
if( strcmp( "MBEDTLS_CAMELLIA_SMALL_MEMORY", config ) == 0 )
{
@ -2930,14 +2938,6 @@ int query_config( const char *config )
}
#endif /* MBEDTLS_PK_SINGLE_TYPE */
#if defined(MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH)
if( strcmp( "MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH", config ) == 0 )
{
MACRO_EXPANSION_TO_STR( MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH );
return( 0 );
}
#endif /* MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH */
/* If the symbol is not found, return an error */
return( 1 );
}

2
scripts/config.pl
View file

@ -51,6 +51,7 @@
# MBEDTLS_PKCS11_C
# MBEDTLS_NO_UDBL_DIVISION
# MBEDTLS_NO_64BIT_MULTIPLICATION
# MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH
# and any symbol beginning _ALT
#
@ -126,6 +127,7 @@ MBEDTLS_PKCS11_C
MBEDTLS_NO_UDBL_DIVISION
MBEDTLS_NO_64BIT_MULTIPLICATION
MBEDTLS_USE_TINYCRYPT
MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH
_ALT\s*$
);