Change use of olen variables
Removed olen variable in favour of storing olens for
client and server separately.
@@ -60,7 +60,8 @@ int main( int argc, char *argv[] )
unsigned char cli_to_srv[36], srv_to_cli[33];
const char pers[] = "ecdh";
- size_t olen;
+ size_t srv_olen;
+ size_t cli_olen;
unsigned char secret_cli[32] = { 0 };
unsigned char secret_srv[32] = { 0 };
const unsigned char *p_cli_to_srv = cli_to_srv;
@@ -104,7 +105,7 @@ int main( int argc, char *argv[] )
goto exit;
}
- ret = mbedtls_ecdh_make_params( &ctx_cli, &olen, cli_to_srv,
+ ret = mbedtls_ecdh_make_params( &ctx_cli, &cli_olen, cli_to_srv,
sizeof( cli_to_srv ),
mbedtls_ctr_drbg_random, &ctr_drbg );
if( ret != 0 )
@@ -131,7 +132,7 @@ int main( int argc, char *argv[] )
goto exit;
}
- ret = mbedtls_ecdh_make_public( &ctx_srv, &olen, srv_to_cli,
+ ret = mbedtls_ecdh_make_public( &ctx_srv, &srv_olen, srv_to_cli,
sizeof( srv_to_cli ),
mbedtls_ctr_drbg_random, &ctr_drbg );
if( ret != 0 )
@@ -166,7 +167,7 @@ int main( int argc, char *argv[] )
mbedtls_printf( " . Calculate secrets..." );
fflush( stdout );
- ret = mbedtls_ecdh_calc_secret( &ctx_cli, &olen, secret_cli,
+ ret = mbedtls_ecdh_calc_secret( &ctx_cli, &cli_olen, secret_cli,
sizeof( secret_cli ),
mbedtls_ctr_drbg_random, &ctr_drbg );
if( ret != 0 )
@@ -176,9 +177,7 @@ int main( int argc, char *argv[] )
goto exit;
}
- size_t secret_cli_olen = olen;
-
- ret = mbedtls_ecdh_calc_secret( &ctx_srv, &olen, secret_srv,
+ ret = mbedtls_ecdh_calc_secret( &ctx_srv, &srv_olen, secret_srv,
sizeof( secret_srv ),
mbedtls_ctr_drbg_random, &ctr_drbg );
if( ret != 0 )
@@ -188,8 +187,6 @@ int main( int argc, char *argv[] )
goto exit;
}
- size_t secret_srv_olen = olen;
-
mbedtls_printf( " ok\n" );
/*
@@ -198,8 +195,8 @@ int main( int argc, char *argv[] )
mbedtls_printf( " . Check if both calculated secrets are equal..." );
fflush( stdout );
- ret = memcmp( secret_srv, secret_cli, sizeof( secret_srv_olen ) );
- if( ret != 0 || ( secret_cli_olen != secret_srv_olen ) )
+ ret = memcmp( secret_srv, secret_cli, sizeof( srv_olen ) );
+ if( ret != 0 || ( cli_olen != srv_olen ) )
{
mbedtls_printf( " failed\n ! Shared secrets not equal.\n" );
goto exit;
