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Remove MBEDTLS_TEST_NULL_ENTROPY config option.

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Building the library without entropy sources negates any and all security
provided by the library.
This option was originally requested a relatively long time ago and it
does not provide any tangible benefit for users any more.

Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
This commit is contained in:
Mateusz Starzyk
2021-04-30 13:28:22 +02:00
parent b6800788ca
commit 72f60dfcc1
15 changed files with 10 additions and 149 deletions
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17
library/entropy.c
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@@ -21,12 +21,6 @@
#if defined(MBEDTLS_ENTROPY_C)
#if defined(MBEDTLS_TEST_NULL_ENTROPY)
#warning "**** WARNING! MBEDTLS_TEST_NULL_ENTROPY defined! "
#warning "**** THIS BUILD HAS NO DEFINED ENTROPY SOURCES "
#warning "**** THIS BUILD IS *NOT* SUITABLE FOR PRODUCTION USE "
#endif
#include "mbedtls/entropy.h"
#include "entropy_poll.h"
#include "mbedtls/platform_util.h"
@@ -73,11 +67,6 @@ void mbedtls_entropy_init( mbedtls_entropy_context *ctx )
/* Reminder: Update ENTROPY_HAVE_STRONG in the test files
* when adding more strong entropy sources here. */
#if defined(MBEDTLS_TEST_NULL_ENTROPY)
mbedtls_entropy_add_source( ctx, mbedtls_null_entropy_poll, NULL,
1, MBEDTLS_ENTROPY_SOURCE_STRONG );
#endif
#if !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES)
#if !defined(MBEDTLS_NO_PLATFORM_ENTROPY)
mbedtls_entropy_add_source( ctx, mbedtls_platform_entropy_poll, NULL,
@@ -524,7 +513,6 @@ int mbedtls_entropy_update_seed_file( mbedtls_entropy_context *ctx, const char *
#endif /* MBEDTLS_FS_IO */
#if defined(MBEDTLS_SELF_TEST)
#if !defined(MBEDTLS_TEST_NULL_ENTROPY)
/*
* Dummy source function
*/
@@ -538,7 +526,6 @@ static int entropy_dummy_source( void *data, unsigned char *output,
return( 0 );
}
#endif /* !MBEDTLS_TEST_NULL_ENTROPY */
#if defined(MBEDTLS_ENTROPY_HARDWARE_ALT)
@@ -646,17 +633,14 @@ cleanup:
int mbedtls_entropy_self_test( int verbose )
{
int ret = 1;
#if !defined(MBEDTLS_TEST_NULL_ENTROPY)
mbedtls_entropy_context ctx;
unsigned char buf[MBEDTLS_ENTROPY_BLOCK_SIZE] = { 0 };
unsigned char acc[MBEDTLS_ENTROPY_BLOCK_SIZE] = { 0 };
size_t i, j;
#endif /* !MBEDTLS_TEST_NULL_ENTROPY */
if( verbose != 0 )
mbedtls_printf( " ENTROPY test: " );
#if !defined(MBEDTLS_TEST_NULL_ENTROPY)
mbedtls_entropy_init( &ctx );
/* First do a gather to make sure we have default sources */
@@ -704,7 +688,6 @@ int mbedtls_entropy_self_test( int verbose )
cleanup:
mbedtls_entropy_free( &ctx );
#endif /* !MBEDTLS_TEST_NULL_ENTROPY */
if( verbose != 0 )
{