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Add memory poisoning hooks

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Signed-off-by: David Horstmann <david.horstmann@arm.com>
This commit is contained in:
David Horstmann 2023-11-24 16:21:04 +00:00
parent dbbfdabfd8
commit 372b8bb6c5
2 changed files with 22 additions and 1 deletions
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3
library/CMakeLists.txt
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@ -329,7 +329,8 @@ foreach(target IN LISTS target_libraries)
$<INSTALL_INTERFACE:include/>
PRIVATE ${MBEDTLS_DIR}/library/
# Needed to include psa_crypto_driver_wrappers.h
${CMAKE_CURRENT_BINARY_DIR})
${CMAKE_CURRENT_BINARY_DIR}
${MBEDTLS_DIR}/tests/include/)
# Pass-through MBEDTLS_CONFIG_FILE and MBEDTLS_USER_CONFIG_FILE
if(MBEDTLS_CONFIG_FILE)
target_compile_definitions(${target}

20
library/psa_crypto.c
View File

@ -72,6 +72,10 @@
#include "mbedtls/sha512.h"
#include "md_psa.h"
#if defined(MBEDTLS_TEST_HOOKS)
#include "test/memory.h"
#endif
#if defined(MBEDTLS_PSA_BUILTIN_ALG_HKDF) || \
defined(MBEDTLS_PSA_BUILTIN_ALG_HKDF_EXTRACT) || \
defined(MBEDTLS_PSA_BUILTIN_ALG_HKDF_EXPAND)
@ -8451,10 +8455,18 @@ psa_status_t psa_crypto_copy_input(const uint8_t *input, size_t input_len,
return PSA_ERROR_CORRUPTION_DETECTED;
}
#if defined(MBEDTLS_TEST_HOOKS)
MBEDTLS_TEST_MEMORY_UNPOISON(input, input_len);
#endif
if (input_len > 0) {
memcpy(input_copy, input, input_len);
}
#if defined(MBEDTLS_TEST_HOOKS)
MBEDTLS_TEST_MEMORY_POISON(input, input_len);
#endif
return PSA_SUCCESS;
}
@ -8478,10 +8490,18 @@ psa_status_t psa_crypto_copy_output(const uint8_t *output_copy, size_t output_co
return PSA_ERROR_BUFFER_TOO_SMALL;
}
#if defined(MBEDTLS_TEST_HOOKS)
MBEDTLS_TEST_MEMORY_UNPOISON(output, output_len);
#endif
if (output_copy_len > 0) {
memcpy(output, output_copy, output_copy_len);
}
#if defined(MBEDTLS_TEST_HOOKS)
MBEDTLS_TEST_MEMORY_POISON(output, output_len);
#endif
return PSA_SUCCESS;
}