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cosmopolitan/third_party/mbedtls/test/test_suite_hmac_drbg.pr.c
Justine Tunney fa20edc44d
Reduce header complexity 
- Remove most __ASSEMBLER__ __LINKER__ ifdefs
- Rename libc/intrin/bits.h to libc/serialize.h
- Block pthread cancelation in fchmodat() polyfill
- Remove `clang-format off` statements in third_party
2023-11-28 14:39:42 -08:00

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/*
* 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 "third_party/mbedtls/test/test.inc"
/*
* *** THIS FILE WAS MACHINE GENERATED ***
*
* This file has been machine generated using the script:
* generate_test_code.py and then mbedtls_test_suite.sh and then mbedtls_test_suite.sh
*
* Test file : ./test_suite_hmac_drbg.pr.c
*
* The following files were used to create this file.
*
* Main code file : suites/main_test.function
* Platform code file : suites/host_test.function
* Helper file : suites/helpers.function
* Test suite file : suites/test_suite_hmac_drbg.function
* Test suite data : suites/test_suite_hmac_drbg.pr.data
*
*/
#define TEST_SUITE_ACTIVE
#if defined(MBEDTLS_HMAC_DRBG_C)
#include "third_party/mbedtls/hmac_drbg.h"
typedef struct
{
unsigned char *p;
size_t len;
} entropy_ctx;
static int mbedtls_test_entropy_func( void *data, unsigned char *buf, size_t len )
{
entropy_ctx *ctx = (entropy_ctx *) data;
if( len > ctx->len )
return( -1 );
memcpy( buf, ctx->p, len );
ctx->p += len;
ctx->len -= len;
return( 0 );
}
void test_hmac_drbg_entropy_usage( int md_alg )
{
unsigned char out[16];
unsigned char buf[1024];
const mbedtls_md_info_t *md_info;
mbedtls_hmac_drbg_context ctx;
entropy_ctx entropy;
size_t i, reps = 10;
size_t default_entropy_len;
size_t expected_consumed_entropy = 0;
mbedtls_hmac_drbg_init( &ctx );
memset( buf, 0, sizeof( buf ) );
memset( out, 0, sizeof( out ) );
entropy.len = sizeof( buf );
entropy.p = buf;
md_info = mbedtls_md_info_from_type( md_alg );
TEST_ASSERT( md_info != NULL );
if( mbedtls_md_get_size( md_info ) <= 20 )
default_entropy_len = 16;
else if( mbedtls_md_get_size( md_info ) <= 28 )
default_entropy_len = 24;
else
default_entropy_len = 32;
/* Set reseed interval before seed */
mbedtls_hmac_drbg_set_reseed_interval( &ctx, 2 * reps );
/* Init must use entropy */
TEST_ASSERT( mbedtls_hmac_drbg_seed( &ctx, md_info, mbedtls_test_entropy_func, &entropy,
NULL, 0 ) == 0 );
/* default_entropy_len of entropy, plus half as much for the nonce */
expected_consumed_entropy += default_entropy_len * 3 / 2;
TEST_EQUAL( sizeof( buf ) - entropy.len, expected_consumed_entropy );
/* By default, PR is off, and reseed interval was set to
* 2 * reps so the next few calls should not use entropy */
for( i = 0; i < reps; i++ )
{
TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) - 4 ) == 0 );
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, out, sizeof( out ) - 4,
buf, 16 ) == 0 );
}
TEST_EQUAL( sizeof( buf ) - entropy.len, expected_consumed_entropy );
/* While at it, make sure we didn't write past the requested length */
TEST_ASSERT( out[sizeof( out ) - 4] == 0 );
TEST_ASSERT( out[sizeof( out ) - 3] == 0 );
TEST_ASSERT( out[sizeof( out ) - 2] == 0 );
TEST_ASSERT( out[sizeof( out ) - 1] == 0 );
/* There have been 2 * reps calls to random. The next call should reseed */
TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
expected_consumed_entropy += default_entropy_len;
TEST_EQUAL( sizeof( buf ) - entropy.len, expected_consumed_entropy );
/* Set reseed interval after seed */
mbedtls_hmac_drbg_set_reseed_interval( &ctx, 4 * reps + 1);
/* The new few calls should not reseed */
for( i = 0; i < (2 * reps); i++ )
{
TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, out, sizeof( out ) ,
buf, 16 ) == 0 );
}
TEST_EQUAL( sizeof( buf ) - entropy.len, expected_consumed_entropy );
/* Now enable PR, so the next few calls should all reseed */
mbedtls_hmac_drbg_set_prediction_resistance( &ctx, MBEDTLS_HMAC_DRBG_PR_ON );
TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
expected_consumed_entropy += default_entropy_len;
TEST_EQUAL( sizeof( buf ) - entropy.len, expected_consumed_entropy );
/* Finally, check setting entropy_len */
mbedtls_hmac_drbg_set_entropy_len( &ctx, 42 );
TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
expected_consumed_entropy += 42;
TEST_EQUAL( sizeof( buf ) - entropy.len, expected_consumed_entropy );
mbedtls_hmac_drbg_set_entropy_len( &ctx, 13 );
TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
expected_consumed_entropy += 13;
TEST_EQUAL( sizeof( buf ) - entropy.len, expected_consumed_entropy );
exit:
mbedtls_hmac_drbg_free( &ctx );
}
void test_hmac_drbg_entropy_usage_wrapper( void ** params )
{
test_hmac_drbg_entropy_usage( *( (int *) params[0] ) );
}
#if defined(MBEDTLS_FS_IO)
void test_hmac_drbg_seed_file( int md_alg, char * path, int ret )
{
const mbedtls_md_info_t *md_info;
mbedtls_hmac_drbg_context ctx;
mbedtls_hmac_drbg_init( &ctx );
md_info = mbedtls_md_info_from_type( md_alg );
TEST_ASSERT( md_info != NULL );
TEST_ASSERT( mbedtls_hmac_drbg_seed( &ctx, md_info,
mbedtls_test_rnd_std_rand, NULL,
NULL, 0 ) == 0 );
TEST_ASSERT( mbedtls_hmac_drbg_write_seed_file( &ctx, path ) == ret );
TEST_ASSERT( mbedtls_hmac_drbg_update_seed_file( &ctx, path ) == ret );
exit:
mbedtls_hmac_drbg_free( &ctx );
}
void test_hmac_drbg_seed_file_wrapper( void ** params )
{
test_hmac_drbg_seed_file( *( (int *) params[0] ), (char *) params[1], *( (int *) params[2] ) );
}
#endif /* MBEDTLS_FS_IO */
void test_hmac_drbg_buf( int md_alg )
{
unsigned char out[16];
unsigned char buf[100];
const mbedtls_md_info_t *md_info;
mbedtls_hmac_drbg_context ctx;
size_t i;
mbedtls_hmac_drbg_init( &ctx );
memset( buf, 0, sizeof( buf ) );
memset( out, 0, sizeof( out ) );
md_info = mbedtls_md_info_from_type( md_alg );
TEST_ASSERT( md_info != NULL );
TEST_ASSERT( mbedtls_hmac_drbg_seed_buf( &ctx, md_info, buf, sizeof( buf ) ) == 0 );
/* Make sure it never tries to reseed (would segfault otherwise) */
mbedtls_hmac_drbg_set_reseed_interval( &ctx, 3 );
mbedtls_hmac_drbg_set_prediction_resistance( &ctx, MBEDTLS_HMAC_DRBG_PR_ON );
for( i = 0; i < 30; i++ )
TEST_ASSERT( mbedtls_hmac_drbg_random( &ctx, out, sizeof( out ) ) == 0 );
exit:
mbedtls_hmac_drbg_free( &ctx );
}
void test_hmac_drbg_buf_wrapper( void ** params )
{
test_hmac_drbg_buf( *( (int *) params[0] ) );
}
void test_hmac_drbg_no_reseed( int md_alg, data_t * entropy,
data_t * custom, data_t * add1,
data_t * add2, data_t * output )
{
unsigned char data[1024];
unsigned char my_output[512];
entropy_ctx p_entropy;
const mbedtls_md_info_t *md_info;
mbedtls_hmac_drbg_context ctx;
mbedtls_hmac_drbg_init( &ctx );
p_entropy.p = entropy->x;
p_entropy.len = entropy->len;
md_info = mbedtls_md_info_from_type( md_alg );
TEST_ASSERT( md_info != NULL );
/* Test the simplified buffer-based variant */
memcpy( data, entropy->x, p_entropy.len );
memcpy( data + p_entropy.len, custom->x, custom->len );
TEST_ASSERT( mbedtls_hmac_drbg_seed_buf( &ctx, md_info,
data, p_entropy.len + custom->len ) == 0 );
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, output->len,
add1->x, add1->len ) == 0 );
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, output->len,
add2->x, add2->len ) == 0 );
/* Reset context for second run */
mbedtls_hmac_drbg_free( &ctx );
TEST_ASSERT( timingsafe_bcmp( my_output, output->x, output->len ) == 0 );
/* And now the normal entropy-based variant */
TEST_ASSERT( mbedtls_hmac_drbg_seed( &ctx, md_info, mbedtls_test_entropy_func, &p_entropy,
custom->x, custom->len ) == 0 );
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, output->len,
add1->x, add1->len ) == 0 );
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, output->len,
add2->x, add2->len ) == 0 );
TEST_ASSERT( timingsafe_bcmp( my_output, output->x, output->len ) == 0 );
exit:
mbedtls_hmac_drbg_free( &ctx );
}
void test_hmac_drbg_no_reseed_wrapper( void ** params )
{
data_t data1 = {(uint8_t *) params[1], *( (uint32_t *) params[2] )};
data_t data3 = {(uint8_t *) params[3], *( (uint32_t *) params[4] )};
data_t data5 = {(uint8_t *) params[5], *( (uint32_t *) params[6] )};
data_t data7 = {(uint8_t *) params[7], *( (uint32_t *) params[8] )};
data_t data9 = {(uint8_t *) params[9], *( (uint32_t *) params[10] )};
test_hmac_drbg_no_reseed( *( (int *) params[0] ), &data1, &data3, &data5, &data7, &data9 );
}
void test_hmac_drbg_nopr( int md_alg, data_t * entropy, data_t * custom,
data_t * add1, data_t * add2, data_t * add3,
data_t * output )
{
unsigned char my_output[512];
entropy_ctx p_entropy;
const mbedtls_md_info_t *md_info;
mbedtls_hmac_drbg_context ctx;
mbedtls_hmac_drbg_init( &ctx );
p_entropy.p = entropy->x;
p_entropy.len = entropy->len;
md_info = mbedtls_md_info_from_type( md_alg );
TEST_ASSERT( md_info != NULL );
TEST_ASSERT( mbedtls_hmac_drbg_seed( &ctx, md_info, mbedtls_test_entropy_func, &p_entropy,
custom->x, custom->len ) == 0 );
TEST_ASSERT( mbedtls_hmac_drbg_reseed( &ctx, add1->x, add1->len ) == 0 );
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, output->len,
add2->x, add2->len ) == 0 );
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, output->len,
add3->x, add3->len ) == 0 );
TEST_ASSERT( timingsafe_bcmp( my_output, output->x, output->len ) == 0 );
exit:
mbedtls_hmac_drbg_free( &ctx );
}
void test_hmac_drbg_nopr_wrapper( void ** params )
{
data_t data1 = {(uint8_t *) params[1], *( (uint32_t *) params[2] )};
data_t data3 = {(uint8_t *) params[3], *( (uint32_t *) params[4] )};
data_t data5 = {(uint8_t *) params[5], *( (uint32_t *) params[6] )};
data_t data7 = {(uint8_t *) params[7], *( (uint32_t *) params[8] )};
data_t data9 = {(uint8_t *) params[9], *( (uint32_t *) params[10] )};
data_t data11 = {(uint8_t *) params[11], *( (uint32_t *) params[12] )};
test_hmac_drbg_nopr( *( (int *) params[0] ), &data1, &data3, &data5, &data7, &data9, &data11 );
}
void test_hmac_drbg_pr( int md_alg, data_t * entropy, data_t * custom,
data_t * add1, data_t * add2, data_t * output )
{
unsigned char my_output[512];
entropy_ctx p_entropy;
const mbedtls_md_info_t *md_info;
mbedtls_hmac_drbg_context ctx;
mbedtls_hmac_drbg_init( &ctx );
p_entropy.p = entropy->x;
p_entropy.len = entropy->len;
md_info = mbedtls_md_info_from_type( md_alg );
TEST_ASSERT( md_info != NULL );
TEST_ASSERT( mbedtls_hmac_drbg_seed( &ctx, md_info, mbedtls_test_entropy_func, &p_entropy,
custom->x, custom->len ) == 0 );
mbedtls_hmac_drbg_set_prediction_resistance( &ctx, MBEDTLS_HMAC_DRBG_PR_ON );
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, output->len,
add1->x, add1->len ) == 0 );
TEST_ASSERT( mbedtls_hmac_drbg_random_with_add( &ctx, my_output, output->len,
add2->x, add2->len ) == 0 );
TEST_ASSERT( timingsafe_bcmp( my_output, output->x, output->len ) == 0 );
exit:
mbedtls_hmac_drbg_free( &ctx );
}
void test_hmac_drbg_pr_wrapper( void ** params )
{
data_t data1 = {(uint8_t *) params[1], *( (uint32_t *) params[2] )};
data_t data3 = {(uint8_t *) params[3], *( (uint32_t *) params[4] )};
data_t data5 = {(uint8_t *) params[5], *( (uint32_t *) params[6] )};
data_t data7 = {(uint8_t *) params[7], *( (uint32_t *) params[8] )};
data_t data9 = {(uint8_t *) params[9], *( (uint32_t *) params[10] )};
test_hmac_drbg_pr( *( (int *) params[0] ), &data1, &data3, &data5, &data7, &data9 );
}
#if defined(MBEDTLS_SELF_TEST)
void test_hmac_drbg_selftest( )
{
TEST_ASSERT( mbedtls_hmac_drbg_self_test( 1 ) == 0 );
exit:
;
}
void test_hmac_drbg_selftest_wrapper( void ** params )
{
(void)params;
test_hmac_drbg_selftest( );
}
#endif /* MBEDTLS_SELF_TEST */
#endif /* MBEDTLS_HMAC_DRBG_C */
/*----------------------------------------------------------------------------*/
/* Test dispatch code */
/**
* \brief Evaluates an expression/macro into its literal integer value.
* For optimizing space for embedded targets each expression/macro
* is identified by a unique identifier instead of string literals.
* Identifiers and evaluation code is generated by script:
* generate_test_code.py and then mbedtls_test_suite.sh and then mbedtls_test_suite.sh
*
* \param exp_id Expression identifier.
* \param out_value Pointer to int to hold the integer.
*
* \return 0 if exp_id is found. 1 otherwise.
*/
int get_expression( int32_t exp_id, int32_t * out_value )
{
int ret = KEY_VALUE_MAPPING_FOUND;
(void) exp_id;
(void) out_value;
switch( exp_id )
{
#if defined(MBEDTLS_HMAC_DRBG_C)
case 0:
{
*out_value = MBEDTLS_MD_SHA1;
}
break;
case 1:
{
*out_value = MBEDTLS_MD_SHA224;
}
break;
case 2:
{
*out_value = MBEDTLS_MD_SHA256;
}
break;
case 3:
{
*out_value = MBEDTLS_MD_SHA384;
}
break;
case 4:
{
*out_value = MBEDTLS_MD_SHA512;
}
break;
#endif
default:
{
ret = KEY_VALUE_MAPPING_NOT_FOUND;
}
break;
}
return( ret );
}
/**
* \brief Checks if the dependency i.e. the compile flag is set.
* For optimizing space for embedded targets each dependency
* is identified by a unique identifier instead of string literals.
* Identifiers and check code is generated by script:
* generate_test_code.py and then mbedtls_test_suite.sh and then mbedtls_test_suite.sh
*
* \param dep_id Dependency identifier.
*
* \return DEPENDENCY_SUPPORTED if set else DEPENDENCY_NOT_SUPPORTED
*/
int dep_check( int dep_id )
{
int ret = DEPENDENCY_NOT_SUPPORTED;
(void) dep_id;
switch( dep_id )
{
#if defined(MBEDTLS_HMAC_DRBG_C)
case 0:
{
#if defined(MBEDTLS_SHA1_C)
ret = DEPENDENCY_SUPPORTED;
#else
ret = DEPENDENCY_NOT_SUPPORTED;
#endif
}
break;
case 1:
{
#if defined(MBEDTLS_SHA256_C)
ret = DEPENDENCY_SUPPORTED;
#else
ret = DEPENDENCY_NOT_SUPPORTED;
#endif
}
break;
case 2:
{
#if defined(MBEDTLS_SHA512_C)
ret = DEPENDENCY_SUPPORTED;
#else
ret = DEPENDENCY_NOT_SUPPORTED;
#endif
}
break;
case 3:
{
#if !defined(MBEDTLS_SHA512_NO_SHA384)
ret = DEPENDENCY_SUPPORTED;
#else
ret = DEPENDENCY_NOT_SUPPORTED;
#endif
}
break;
#endif
default:
break;
}
return( ret );
}
/**
* \brief Function pointer type for test function wrappers.
*
* A test function wrapper decodes the parameters and passes them to the
* underlying test function. Both the wrapper and the underlying function
* return void. Test wrappers assume that they are passed a suitable
* parameter array and do not perform any error detection.
*
* \param param_array The array of parameters. Each element is a `void *`
* which the wrapper casts to the correct type and
* dereferences. Each wrapper function hard-codes the
* number and types of the parameters.
*/
typedef void (*TestWrapper_t)( void **param_array );
/**
* \brief Table of test function wrappers. Used by dispatch_test().
* This table is populated by script:
* generate_test_code.py and then mbedtls_test_suite.sh and then mbedtls_test_suite.sh
*
*/
TestWrapper_t test_funcs[] =
{
/* Function Id: 0 */
#if defined(MBEDTLS_HMAC_DRBG_C)
test_hmac_drbg_entropy_usage_wrapper,
#else
NULL,
#endif
/* Function Id: 1 */
#if defined(MBEDTLS_HMAC_DRBG_C) && defined(MBEDTLS_FS_IO)
test_hmac_drbg_seed_file_wrapper,
#else
NULL,
#endif
/* Function Id: 2 */
#if defined(MBEDTLS_HMAC_DRBG_C)
test_hmac_drbg_buf_wrapper,
#else
NULL,
#endif
/* Function Id: 3 */
#if defined(MBEDTLS_HMAC_DRBG_C)
test_hmac_drbg_no_reseed_wrapper,
#else
NULL,
#endif
/* Function Id: 4 */
#if defined(MBEDTLS_HMAC_DRBG_C)
test_hmac_drbg_nopr_wrapper,
#else
NULL,
#endif
/* Function Id: 5 */
#if defined(MBEDTLS_HMAC_DRBG_C)
test_hmac_drbg_pr_wrapper,
#else
NULL,
#endif
/* Function Id: 6 */
#if defined(MBEDTLS_HMAC_DRBG_C) && defined(MBEDTLS_SELF_TEST)
test_hmac_drbg_selftest_wrapper,
#else
NULL,
#endif
};
/**
* \brief Execute the test function.
*
* This is a wrapper function around the test function execution
* to allow the setjmp() call used to catch any calls to the
* parameter failure callback, to be used. Calls to setjmp()
* can invalidate the state of any local auto variables.
*
* \param fp Function pointer to the test function.
* \param params Parameters to pass to the #TestWrapper_t wrapper function.
*
*/
void execute_function_ptr(TestWrapper_t fp, void **params)
{
#if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG)
mbedtls_test_enable_insecure_external_rng( );
#endif
#if defined(MBEDTLS_CHECK_PARAMS)
mbedtls_test_param_failed_location_record_t location_record;
if ( setjmp( mbedtls_test_param_failed_get_state_buf( ) ) == 0 )
{
fp( params );
}
else
{
/* Unexpected parameter validation error */
mbedtls_test_param_failed_get_location_record( &location_record );
mbedtls_test_fail( location_record.failure_condition,
location_record.line,
location_record.file );
}
mbedtls_test_param_failed_reset_state( );
#else
fp( params );
#endif
#if defined(MBEDTLS_TEST_MUTEX_USAGE)
mbedtls_test_mutex_usage_check( );
#endif /* MBEDTLS_TEST_MUTEX_USAGE */
}
/**
* \brief Dispatches test functions based on function index.
*
* \param func_idx Test function index.
* \param params The array of parameters to pass to the test function.
* It will be decoded by the #TestWrapper_t wrapper function.
*
* \return DISPATCH_TEST_SUCCESS if found
* DISPATCH_TEST_FN_NOT_FOUND if not found
* DISPATCH_UNSUPPORTED_SUITE if not compile time enabled.
*/
int dispatch_test( size_t func_idx, void ** params )
{
int ret = DISPATCH_TEST_SUCCESS;
TestWrapper_t fp = NULL;
if ( func_idx < (int)( sizeof( test_funcs ) / sizeof( TestWrapper_t ) ) )
{
fp = test_funcs[func_idx];
if ( fp )
execute_function_ptr(fp, params);
else
ret = DISPATCH_UNSUPPORTED_SUITE;
}
else
{
ret = DISPATCH_TEST_FN_NOT_FOUND;
}
return( ret );
}
/**
* \brief Checks if test function is supported in this build-time
* configuration.
*
* \param func_idx Test function index.
*
* \return DISPATCH_TEST_SUCCESS if found
* DISPATCH_TEST_FN_NOT_FOUND if not found
* DISPATCH_UNSUPPORTED_SUITE if not compile time enabled.
*/
int check_test( size_t func_idx )
{
int ret = DISPATCH_TEST_SUCCESS;
TestWrapper_t fp = NULL;
if ( func_idx < (int)( sizeof(test_funcs)/sizeof( TestWrapper_t ) ) )
{
fp = test_funcs[func_idx];
if ( fp == NULL )
ret = DISPATCH_UNSUPPORTED_SUITE;
}
else
{
ret = DISPATCH_TEST_FN_NOT_FOUND;
}
return( ret );
}
int main( int argc, const char *argv[] )
{
int ret;
mbedtls_test_platform_setup();
ret = execute_tests( argc, argv, "/zip/third_party/mbedtls/test/test_suite_hmac_drbg.pr.datax" );
mbedtls_test_platform_teardown();
return( ret );
}
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