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Merge pull request #4020 from gilles-peskine-arm/ssl_test_lib-hmac_drg

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Support HMAC_DRBG in SSL test programs
This commit is contained in:
Ronald Cron 2021-01-29 08:58:23 +01:00 committed by GitHub
parent ddb3bd57d3 75829a4296
commit 0426e2545d
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
12 changed files with 324 additions and 145 deletions
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42
programs/ssl/ssl_client2.c
View file

@ -686,8 +686,7 @@ int main( int argc, char *argv[] )
#if defined(MBEDTLS_X509_CRT_PARSE_C)
mbedtls_x509_crt_profile crt_profile_for_test = mbedtls_x509_crt_profile_default;
#endif
mbedtls_entropy_context entropy;
mbedtls_ctr_drbg_context ctr_drbg;
rng_context_t rng;
mbedtls_ssl_context ssl;
mbedtls_ssl_config conf;
mbedtls_ssl_session saved_session;
@ -742,7 +741,7 @@ int main( int argc, char *argv[] )
mbedtls_ssl_init( &ssl );
mbedtls_ssl_config_init( &conf );
memset( &saved_session, 0, sizeof( mbedtls_ssl_session ) );
mbedtls_ctr_drbg_init( &ctr_drbg );
rng_init( &rng );
#if defined(MBEDTLS_X509_CRT_PARSE_C)
mbedtls_x509_crt_init( &cacert );
mbedtls_x509_crt_init( &clicert );
@ -761,7 +760,10 @@ int main( int argc, char *argv[] )
ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
goto exit;
}
#endif
#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
mbedtls_test_enable_insecure_external_rng( );
#endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
#endif /* MBEDTLS_USE_PSA_CRYPTO */
if( argc == 0 )
{
@ -1534,31 +1536,8 @@ int main( int argc, char *argv[] )
mbedtls_printf( "\n . Seeding the random number generator..." );
fflush( stdout );
mbedtls_entropy_init( &entropy );
if (opt.reproducible)
{
srand( 1 );
if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, dummy_entropy,
&entropy, (const unsigned char *) pers,
strlen( pers ) ) ) != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned -0x%x\n",
(unsigned int) -ret );
goto exit;
}
}
else
{
if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func,
&entropy, (const unsigned char *) pers,
strlen( pers ) ) ) != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned -0x%x\n",
(unsigned int) -ret );
goto exit;
}
}
if( rng_seed( &rng, opt.reproducible, pers ) != 0 )
goto exit;
mbedtls_printf( " ok\n" );
#if defined(MBEDTLS_X509_CRT_PARSE_C)
@ -1904,7 +1883,7 @@ int main( int argc, char *argv[] )
#endif
#endif
}
mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
mbedtls_ssl_conf_rng( &conf, rng_get, &rng );
mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
mbedtls_ssl_conf_read_timeout( &conf, opt.read_timeout );
@ -3024,8 +3003,7 @@ exit:
mbedtls_ssl_session_free( &saved_session );
mbedtls_ssl_free( &ssl );
mbedtls_ssl_config_free( &conf );
mbedtls_ctr_drbg_free( &ctr_drbg );
mbedtls_entropy_free( &entropy );
rng_free( &rng );
if( session_data != NULL )
mbedtls_platform_zeroize( session_data, session_data_len );
mbedtls_free( session_data );

50
programs/ssl/ssl_server2.c
View file

@ -1282,8 +1282,7 @@ int main( int argc, char *argv[] )
#if defined(MBEDTLS_X509_CRT_PARSE_C)
mbedtls_x509_crt_profile crt_profile_for_test = mbedtls_x509_crt_profile_default;
#endif
mbedtls_entropy_context entropy;
mbedtls_ctr_drbg_context ctr_drbg;
rng_context_t rng;
mbedtls_ssl_context ssl;
mbedtls_ssl_config conf;
#if defined(MBEDTLS_TIMING_C)
@ -1377,7 +1376,7 @@ int main( int argc, char *argv[] )
mbedtls_net_init( &listen_fd );
mbedtls_ssl_init( &ssl );
mbedtls_ssl_config_init( &conf );
mbedtls_ctr_drbg_init( &ctr_drbg );
rng_init( &rng );
#if defined(MBEDTLS_X509_CRT_PARSE_C)
mbedtls_x509_crt_init( &cacert );
mbedtls_x509_crt_init( &srvcert );
@ -1413,7 +1412,10 @@ int main( int argc, char *argv[] )
ret = MBEDTLS_ERR_SSL_HW_ACCEL_FAILED;
goto exit;
}
#endif
#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
mbedtls_test_enable_insecure_external_rng( );
#endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
#endif /* MBEDTLS_USE_PSA_CRYPTO */
#if !defined(_WIN32)
/* Abort cleanly on SIGTERM and SIGINT */
@ -2293,31 +2295,8 @@ int main( int argc, char *argv[] )
mbedtls_printf( "\n . Seeding the random number generator..." );
fflush( stdout );
mbedtls_entropy_init( &entropy );
if (opt.reproducible)
{
srand( 1 );
if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, dummy_entropy,
&entropy, (const unsigned char *) pers,
strlen( pers ) ) ) != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned -0x%x\n",
(unsigned int) -ret );
goto exit;
}
}
else
{
if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func,
&entropy, (const unsigned char *) pers,
strlen( pers ) ) ) != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned -0x%x\n",
(unsigned int) -ret );
goto exit;
}
}
if( rng_seed( &rng, opt.reproducible, pers ) != 0 )
goto exit;
mbedtls_printf( " ok\n" );
#if defined(MBEDTLS_X509_CRT_PARSE_C)
@ -2706,7 +2685,7 @@ int main( int argc, char *argv[] )
#endif
#endif
}
mbedtls_ssl_conf_rng( &conf, mbedtls_ctr_drbg_random, &ctr_drbg );
mbedtls_ssl_conf_rng( &conf, rng_get, &rng );
mbedtls_ssl_conf_dbg( &conf, my_debug, stdout );
#if defined(MBEDTLS_SSL_CACHE_C)
@ -2725,7 +2704,7 @@ int main( int argc, char *argv[] )
if( opt.tickets == MBEDTLS_SSL_SESSION_TICKETS_ENABLED )
{
if( ( ret = mbedtls_ssl_ticket_setup( &ticket_ctx,
mbedtls_ctr_drbg_random, &ctr_drbg,
rng_get, &rng,
MBEDTLS_CIPHER_AES_256_GCM,
opt.ticket_timeout ) ) != 0 )
{
@ -2747,7 +2726,7 @@ int main( int argc, char *argv[] )
if( opt.cookies > 0 )
{
if( ( ret = mbedtls_ssl_cookie_setup( &cookie_ctx,
mbedtls_ctr_drbg_random, &ctr_drbg ) ) != 0 )
rng_get, &rng ) ) != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_ssl_cookie_setup returned %d\n\n", ret );
goto exit;
@ -2899,8 +2878,8 @@ int main( int argc, char *argv[] )
ssl_async_keys.inject_error = ( opt.async_private_error < 0 ?
- opt.async_private_error :
opt.async_private_error );
ssl_async_keys.f_rng = mbedtls_ctr_drbg_random;
ssl_async_keys.p_rng = &ctr_drbg;
ssl_async_keys.f_rng = rng_get;
ssl_async_keys.p_rng = &rng;
mbedtls_ssl_conf_async_private_cb( &conf,
sign,
decrypt,
@ -3998,8 +3977,7 @@ exit:
mbedtls_ssl_free( &ssl );
mbedtls_ssl_config_free( &conf );
mbedtls_ctr_drbg_free( &ctr_drbg );
mbedtls_entropy_free( &entropy );
rng_free( &rng );
#if defined(MBEDTLS_SSL_CACHE_C)
mbedtls_ssl_cache_free( &cache );

80
programs/ssl/ssl_test_lib.c
View file

@ -46,7 +46,7 @@ mbedtls_time_t dummy_constant_time( mbedtls_time_t* time )
return 0x5af2a056;
}
int dummy_entropy( void *data, unsigned char *output, size_t len )
static int dummy_entropy( void *data, unsigned char *output, size_t len )
{
size_t i;
int ret;
@ -61,6 +61,84 @@ int dummy_entropy( void *data, unsigned char *output, size_t len )
return( ret );
}
void rng_init( rng_context_t *rng )
{
#if defined(MBEDTLS_CTR_DRBG_C)
mbedtls_ctr_drbg_init( &rng->drbg );
#elif defined(MBEDTLS_HMAC_DRBG_C)
mbedtls_hmac_drbg_init( &rng->drbg );
#else
#error "No DRBG available"
#endif
mbedtls_entropy_init( &rng->entropy );
}
int rng_seed( rng_context_t *rng, int reproducible, const char *pers )
{
int ( *f_entropy )( void *, unsigned char *, size_t ) =
( reproducible ? dummy_entropy : mbedtls_entropy_func );
if ( reproducible )
srand( 1 );
#if defined(MBEDTLS_CTR_DRBG_C)
int ret = mbedtls_ctr_drbg_seed( &rng->drbg,
f_entropy, &rng->entropy,
(const unsigned char *) pers,
strlen( pers ) );
#elif defined(MBEDTLS_HMAC_DRBG_C)
#if defined(MBEDTLS_SHA256_C)
const mbedtls_md_type_t md_type = MBEDTLS_MD_SHA256;
#elif defined(MBEDTLS_SHA512_C)
const mbedtls_md_type_t md_type = MBEDTLS_MD_SHA512;
#else
#error "No message digest available for HMAC_DRBG"
#endif
int ret = mbedtls_hmac_drbg_seed( &rng->drbg,
mbedtls_md_info_from_type( md_type ),
f_entropy, &rng->entropy,
(const unsigned char *) pers,
strlen( pers ) );
#else
#error "No DRBG available"
#endif
if( ret != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_ctr_drbg_seed returned -0x%x\n",
(unsigned int) -ret );
return( ret );
}
return( 0 );
}
void rng_free( rng_context_t *rng )
{
#if defined(MBEDTLS_CTR_DRBG_C)
mbedtls_ctr_drbg_free( &rng->drbg );
#elif defined(MBEDTLS_HMAC_DRBG_C)
mbedtls_hmac_drbg_free( &rng->drbg );
#else
#error "No DRBG available"
#endif
mbedtls_entropy_free( &rng->entropy );
}
int rng_get( void *p_rng, unsigned char *output, size_t output_len )
{
rng_context_t *rng = p_rng;
#if defined(MBEDTLS_CTR_DRBG_C)
return( mbedtls_ctr_drbg_random( &rng->drbg, output, output_len ) );
#elif defined(MBEDTLS_HMAC_DRBG_C)
return( mbedtls_hmac_drbg_random( &rng->drbg, output, output_len ) );
#else
#error "No DRBG available"
#endif
}
#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
int ca_callback( void *data, mbedtls_x509_crt const *child,
mbedtls_x509_crt **candidates )

77
programs/ssl/ssl_test_lib.h
View file

@ -43,17 +43,20 @@
#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
#endif
#if !defined(MBEDTLS_CTR_DRBG_C) || \
!defined(MBEDTLS_ENTROPY_C) || \
#if !defined(MBEDTLS_ENTROPY_C) || \
!defined(MBEDTLS_NET_C) || \
!defined(MBEDTLS_SSL_TLS_C) || \
defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER)
#define MBEDTLS_SSL_TEST_IMPOSSIBLE \
"MBEDTLS_CTR_DRBG_C and/or " \
"MBEDTLS_ENTROPY_C and/or " \
"MBEDTLS_NET_C and/or " \
"MBEDTLS_SSL_TLS_C not defined, " \
"and/or MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER defined.\n"
#elif !( defined(MBEDTLS_CTR_DRBG_C) || \
defined(MBEDTLS_HMAC_DRBG_C) && ( defined(MBEDTLS_SHA256_C) || \
defined(MBEDTLS_SHA512_C) ) )
#define MBEDTLS_SSL_TEST_IMPOSSIBLE \
"Neither MBEDTLS_CTR_DRBG_C, nor MBEDTLS_HMAC_DRBG_C and a supported hash defined.\n"
#else
#undef MBEDTLS_SSL_TEST_IMPOSSIBLE
@ -65,6 +68,7 @@
#include "mbedtls/ssl.h"
#include "mbedtls/entropy.h"
#include "mbedtls/ctr_drbg.h"
#include "mbedtls/hmac_drbg.h"
#include "mbedtls/certs.h"
#include "mbedtls/x509.h"
#include "mbedtls/error.h"
@ -126,7 +130,72 @@ void my_debug( void *ctx, int level,
mbedtls_time_t dummy_constant_time( mbedtls_time_t* time );
int dummy_entropy( void *data, unsigned char *output, size_t len );
/** A context for random number generation (RNG).
*/
typedef struct
{
mbedtls_entropy_context entropy;
#if defined(MBEDTLS_CTR_DRBG_C)
mbedtls_ctr_drbg_context drbg;
#elif defined(MBEDTLS_HMAC_DRBG_C)
mbedtls_hmac_drbg_context drbg;
#else
#error "No DRBG available"
#endif
} rng_context_t;
/** Initialize the RNG.
*
* This function only initializes the memory used by the RNG context.
* Before using the RNG, it must be seeded with rng_seed().
*/
void rng_init( rng_context_t *rng );
/* Seed the random number generator.
*
* \param rng The RNG context to use. It must have been initialized
* with rng_init().
* \param reproducible If zero, seed the RNG from entropy.
* If nonzero, use a fixed seed, so that the program
* will produce the same sequence of random numbers
* each time it is invoked.
* \param pers A null-terminated string. Different values for this
* string cause the RNG to emit different output for
* the same seed.
*
* return 0 on success, a negative value on error.
*/
int rng_seed( rng_context_t *rng, int reproducible, const char *pers );
/** Deinitialize the RNG. Free any embedded resource.
*
* \param rng The RNG context to deinitialize. It must have been
* initialized with rng_init().
*/
void rng_free( rng_context_t *rng );
/** Generate random data.
*
* This function is suitable for use as the \c f_rng argument to Mbed TLS
* library functions.
*
* \param p_rng The random generator context. This must be a pointer to
* a #rng_context_t structure.
* \param output The buffer to fill.
* \param output_len The length of the buffer in bytes.
*
* \return \c 0 on success.
* \return An Mbed TLS error code on error.
*/
int rng_get( void *p_rng, unsigned char *output, size_t output_len );
#if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
/* The test implementation of the PSA external RNG is insecure. When
* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG is enabled, before using any PSA crypto
* function that makes use of an RNG, you must call
* mbedtls_test_enable_insecure_external_rng(). */
#include <test/fake_external_rng_for_test.h>
#endif
#if defined(MBEDTLS_X509_TRUSTED_CERTIFICATE_CALLBACK)
int ca_callback( void *data, mbedtls_x509_crt const *child,

12
tests/Makefile
View file

@ -84,8 +84,11 @@ MBEDTLS_TEST_OBJS=$(patsubst %.c,%.o,$(wildcard src/*.c src/drivers/*.c))
mbedtls_test: $(MBEDTLS_TEST_OBJS)
TEST_OBJS_DEPS =
TEST_OBJS_DEPS = $(wildcard include/test/*.h include/test/*/*.h)
ifdef RECORD_PSA_STATUS_COVERAGE_LOG
# Explicitly depend on this header because on a clean copy of the source tree,
# it doesn't exist yet and must be generated as part of the build, and
# therefore the wildcard enumeration above doesn't include it.
TEST_OBJS_DEPS += include/test/instrument_record_status.h
endif
@ -130,12 +133,6 @@ $(BINARIES): %$(EXEXT): %.c $(MBEDLIBS) $(TEST_OBJS_DEPS) $(MBEDTLS_TEST_OBJS)
echo " CC $<"
$(CC) $(LOCAL_CFLAGS) $(CFLAGS) $< $(MBEDTLS_TEST_OBJS) $(LOCAL_LDFLAGS) $(LDFLAGS) -o $@
# Some test suites require additional header files.
$(filter test_suite_psa_crypto%, $(BINARIES)): include/test/psa_crypto_helpers.h
$(addprefix embedded_,$(filter test_suite_psa_crypto%, $(APPS))): embedded_%: TESTS/mbedtls/%/psa_crypto_helpers.h
$(filter test_suite_psa_%, $(BINARIES)): include/test/psa_helpers.h
$(addprefix embedded_,$(filter test_suite_psa_%, $(APPS))): embedded_%: TESTS/mbedtls/%/psa_helpers.h
clean:
ifndef WINDOWS
rm -rf $(BINARIES) *.c *.datax TESTS
@ -192,6 +189,7 @@ endif
endef
$(foreach app, $(APPS), $(foreach file, $(notdir $(wildcard include/test/*.h)), \
$(eval $(call copy_header_to_target,$(app),$(file)))))
$(addprefix embedded_,$(filter test_suite_psa_%, $(APPS))): embedded_%: $(patsubst TESTS/mbedtls/%, include/test/%, $(wildcard include/test/*. include/test/*/*.h))
ifdef RECORD_PSA_STATUS_COVERAGE_LOG
include/test/instrument_record_status.h: ../include/psa/crypto.h Makefile

56
tests/include/test/fake_external_rng_for_test.h Normal file
View file

@ -0,0 +1,56 @@
/*
* Insecure but standalone implementation of mbedtls_psa_external_get_random().
* Only for use in tests!
*/
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef FAKE_EXTERNAL_RNG_FOR_TEST_H
#define FAKE_EXTERNAL_RNG_FOR_TEST_H
#if !defined(MBEDTLS_CONFIG_FILE)
#include "mbedtls/config.h"
#else
#include MBEDTLS_CONFIG_FILE
#endif
#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
/** Enable the insecure implementation of mbedtls_psa_external_get_random().
*
* The insecure implementation of mbedtls_psa_external_get_random() is
* disabled by default.
*
* When MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG is enabled and the test
* helpers are linked into a program, you must enable this before running any
* code that uses the PSA subsystem to generate random data (including internal
* random generation for purposes such as blinding when the random generation
* is routed through PSA).
*
* You can enable and disable it at any time, regardless of the state
* of the PSA subsystem. You may disable it temporarily to simulate a
* depleted entropy source.
*/
void mbedtls_test_enable_insecure_external_rng( void );
/** Disable the insecure implementation of mbedtls_psa_external_get_random().
*
* See mbedtls_test_enable_insecure_external_rng().
*/
void mbedtls_test_disable_insecure_external_rng( void );
#endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
#endif /* FAKE_EXTERNAL_RNG_FOR_TEST_H */

4
tests/include/test/helpers.h
View file

@ -190,4 +190,8 @@ void* mbedtls_test_param_failed_get_state_buf( void );
void mbedtls_test_param_failed_reset_state( void );
#endif /* MBEDTLS_CHECK_PARAMS */
#if defined(MBEDTLS_USE_PSA_CRYPTO) && defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
#include "test/fake_external_rng_for_test.h"
#endif
#endif /* TEST_HELPERS_H */

26
tests/include/test/psa_crypto_helpers.h
View file

@ -63,32 +63,6 @@ const char *mbedtls_test_helper_is_psa_leaking( void );
#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
/** Enable the insecure implementation of mbedtls_psa_external_get_random().
*
* The insecure implementation of mbedtls_psa_external_get_random() is
* disabled by default.
*
* When MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG is enabled and the test
* helpers are linked into a program, you must enable this before running any
* code that uses the PSA subsystem to generate random data (including internal
* random generation for purposes such as blinding when the random generation
* is routed through PSA).
*
* You can enable and disable it at any time, regardless of the state
* of the PSA subsystem. You may disable it temporarily to simulate a
* depleted entropy source.
*/
void mbedtls_test_enable_insecure_external_rng( void );
/** Disable the insecure implementation of mbedtls_psa_external_get_random().
*
* See mbedtls_test_enable_insecure_external_rng().
*/
void mbedtls_test_disable_insecure_external_rng( void );
#endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
#if defined(RECORD_PSA_STATUS_COVERAGE_LOG)
psa_status_t mbedtls_test_record_status( psa_status_t status,
const char *func,

32
tests/scripts/all.sh
View file

@ -919,10 +919,17 @@ component_test_no_ctr_drbg () {
CC=gcc cmake -D CMAKE_BUILD_TYPE:String=Asan .
make
msg "test: no CTR_DRBG"
msg "test: Full minus CTR_DRBG - main suites"
make test
# no ssl-opt.sh/compat.sh as they all depend on CTR_DRBG so far
# In this configuration, the TLS test programs use HMAC_DRBG.
# The SSL tests are slow, so run a small subset, just enough to get
# confidence that the SSL code copes with HMAC_DRBG.
msg "test: Full minus CTR_DRBG - ssl-opt.sh (subset)"
if_build_succeeded tests/ssl-opt.sh -f 'Default\|SSL async private.*delay=\|tickets enabled on server'
msg "test: Full minus CTR_DRBG - compat.sh (subset)"
if_build_succeeded tests/compat.sh -m tls1_2 -t 'ECDSA PSK' -V NO -p OpenSSL
}
component_test_no_hmac_drbg () {
@ -934,11 +941,21 @@ component_test_no_hmac_drbg () {
CC=gcc cmake -D CMAKE_BUILD_TYPE:String=Asan .
make
msg "test: no HMAC_DRBG"
msg "test: Full minus HMAC_DRBG - main suites"
make test
# No ssl-opt.sh/compat.sh as they never use HMAC_DRBG so far,
# so there's little value in running those lengthy tests here.
# Normally our ECDSA implementation uses deterministic ECDSA. But since
# HMAC_DRBG is disabled in this configuration, randomized ECDSA is used
# instead.
# Test SSL with non-deterministic ECDSA. Only test features that
# might be affected by how ECDSA signature is performed.
msg "test: Full minus HMAC_DRBG - ssl-opt.sh (subset)"
if_build_succeeded tests/ssl-opt.sh -f 'Default\|SSL async private: sign'
# To save time, only test one protocol version, since this part of
# the protocol is identical in (D)TLS up to 1.2.
msg "test: Full minus HMAC_DRBG - compat.sh (ECDSA)"
if_build_succeeded tests/compat.sh -m tls1_2 -t 'ECDSA'
}
component_test_psa_external_rng_no_drbg () {
@ -954,7 +971,7 @@ component_test_psa_external_rng_no_drbg () {
msg "test: PSA_CRYPTO_EXTERNAL_RNG minus *_DRBG"
make test
# No ssl-opt.sh/compat.sh because they require CTR_DRBG.
# no SSL tests as they all depend on having a DRBG
}
component_test_psa_external_rng_use_psa_crypto () {
@ -968,7 +985,8 @@ component_test_psa_external_rng_use_psa_crypto () {
msg "test: full + PSA_CRYPTO_EXTERNAL_RNG + USE_PSA_CRYPTO minus CTR_DRBG"
make test
# No ssl-opt.sh/compat.sh because they require CTR_DRBG.
msg "test: full + PSA_CRYPTO_EXTERNAL_RNG + USE_PSA_CRYPTO minus CTR_DRBG"
if_build_succeeded tests/ssl-opt.sh -f 'Default\|opaque'
}
component_test_ecp_no_internal_rng () {

56
tests/src/fake_external_rng_for_test.c Normal file
View file

@ -0,0 +1,56 @@
/** \file psa_crypto_helpers.c
*
* \brief Helper functions to test PSA crypto functionality.
*/
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <test/fake_external_rng_for_test.h>
#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
#include <test/random.h>
#include <psa/crypto.h>
static int test_insecure_external_rng_enabled = 0;
void mbedtls_test_enable_insecure_external_rng( void )
{
test_insecure_external_rng_enabled = 1;
}
void mbedtls_test_disable_insecure_external_rng( void )
{
test_insecure_external_rng_enabled = 0;
}
psa_status_t mbedtls_psa_external_get_random(
mbedtls_psa_external_random_context_t *context,
uint8_t *output, size_t output_size, size_t *output_length )
{
(void) context;
if( !test_insecure_external_rng_enabled )
return( PSA_ERROR_INSUFFICIENT_ENTROPY );
/* This implementation is for test purposes only!
* Use the libc non-cryptographic random generator. */
mbedtls_test_rnd_std_rand( NULL, output, output_size );
*output_length = output_size;
return( PSA_SUCCESS );
}
#endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */

32
tests/src/psa_crypto_helpers.c
View file

@ -69,36 +69,4 @@ psa_status_t mbedtls_test_record_status( psa_status_t status,
}
#endif /* defined(RECORD_PSA_STATUS_COVERAGE_LOG) */
#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
#include <test/random.h>
static int test_insecure_external_rng_enabled = 0;
void mbedtls_test_enable_insecure_external_rng( void )
{
test_insecure_external_rng_enabled = 1;
}
void mbedtls_test_disable_insecure_external_rng( void )
{
test_insecure_external_rng_enabled = 0;
}
psa_status_t mbedtls_psa_external_get_random(
mbedtls_psa_external_random_context_t *context,
uint8_t *output, size_t output_size, size_t *output_length )
{
(void) context;
if( !test_insecure_external_rng_enabled )
return( PSA_ERROR_INSUFFICIENT_ENTROPY );
/* This implementation is for test purposes only!
* Use the libc non-cryptographic random generator. */
mbedtls_test_rnd_std_rand( NULL, output, output_size );
*output_length = output_size;
return( PSA_SUCCESS );
}
#endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
#endif /* MBEDTLS_PSA_CRYPTO_C */

2
visualc/VS2010/mbedTLS.vcxproj
View file

@ -233,6 +233,7 @@
<ClInclude Include="..\..\include\psa\crypto_types.h" />
<ClInclude Include="..\..\include\psa\crypto_values.h" />
<ClInclude Include="..\..\tests\include\test\constant_flow.h" />
<ClInclude Include="..\..\tests\include\test\fake_external_rng_for_test.h" />
<ClInclude Include="..\..\tests\include\test\helpers.h" />
<ClInclude Include="..\..\tests\include\test\macros.h" />
<ClInclude Include="..\..\tests\include\test\psa_crypto_helpers.h" />
@ -348,6 +349,7 @@
<ClCompile Include="..\..\library\x509write_crt.c" />
<ClCompile Include="..\..\library\x509write_csr.c" />
<ClCompile Include="..\..\library\xtea.c" />
<ClCompile Include="..\..\tests\src\fake_external_rng_for_test.c" />
<ClCompile Include="..\..\tests\src\helpers.c" />
<ClCompile Include="..\..\tests\src\psa_crypto_helpers.c" />
<ClCompile Include="..\..\tests\src\random.c" />