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Allow compile-time configuration of DTLS anti replay

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Introduce MBEDTLS_SSL_CONF_ANTI_REPLAY to allow configuring
the use/nonuse of DTLS anti replay protection at compile-time.

Impact on code-size, measured with
> ./scripts/baremetal.sh --rom --gcc --armc5 --armc6

|  | GCC | ARMC5 | ARMC6 |
| --- | --- | --- | --- |
| `libmbedtls.a` before | 23559 | 24089 | 27921 |
| `libmbedtls.a` after  | 23511 | 24049 | 27903 |
| gain in Bytes | 48 | 40 | 18 |
This commit is contained in:
Hanno Becker
2019-06-12 16:20:48 +01:00
parent af5ab918d9
commit 7f376f4ece
8 changed files with 67 additions and 13 deletions
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8
programs/ssl/query_config.c
View File

@@ -2578,6 +2578,14 @@ int query_config( const char *config )
}
#endif /* MBEDTLS_PLATFORM_GMTIME_R_ALT */
#if defined(MBEDTLS_SSL_CONF_ANTI_REPLAY)
if( strcmp( "MBEDTLS_SSL_CONF_ANTI_REPLAY", config ) == 0 )
{
MACRO_EXPANSION_TO_STR( MBEDTLS_SSL_CONF_ANTI_REPLAY );
return( 0 );
}
#endif /* MBEDTLS_SSL_CONF_ANTI_REPLAY */
#if defined(MBEDTLS_SSL_CONF_EXTENDED_MASTER_SECRET)
if( strcmp( "MBEDTLS_SSL_CONF_EXTENDED_MASTER_SECRET", config ) == 0 )
{