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Fix secure element key error handling

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Signed-off-by: Ryan Everett <ryan.everett@arm.com>
This commit is contained in:
Ryan Everett 2023-11-16 16:44:13 +00:00
parent e44be6a7d3
commit 68a85e24fc
2 changed files with 8 additions and 0 deletions
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5
ChangeLog.d/fix-secure-element-key-creation.txt Normal file
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@ -0,0 +1,5 @@
Bugfix
* Fix error handling when creating a key in a dynamic secure element
(feature enabled by MBEDTLS_PSA_CRYPTO_SE_C). In a low memory condition,
the creation could return PSA_SUCCESS but using or destroying the key
would not work. Fixes #8537.

3
library/psa_crypto.c
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@ -1710,6 +1710,9 @@ static psa_status_t psa_start_key_creation(
status = psa_copy_key_material_into_slot( status = psa_copy_key_material_into_slot(
slot, (uint8_t *) (&slot_number), sizeof(slot_number)); slot, (uint8_t *) (&slot_number), sizeof(slot_number));
if (status != PSA_SUCCESS) {
return status;
}
} }
if (*p_drv == NULL && method == PSA_KEY_CREATION_REGISTER) { if (*p_drv == NULL && method == PSA_KEY_CREATION_REGISTER) {