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psa_crypto_core: take also cipher's key length into account when sizing static key buffer

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Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
This commit is contained in:
Valerio Setti 2024-08-13 16:02:08 +02:00
parent 5278ebd186
commit 7d7867fb44
1 changed files with 5 additions and 2 deletions
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7
tf-psa-crypto/core/psa_crypto_core.h
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@ -56,9 +56,12 @@ typedef enum {
} psa_key_slot_state_t; } psa_key_slot_state_t;
/* If the size of static key slots is not explicitly defined by the user, then /* If the size of static key slots is not explicitly defined by the user, then
* set it to PSA_EXPORT_KEY_PAIR_OR_PUBLIC_MAX_SIZE. */ * set it to the maximum between PSA_EXPORT_KEY_PAIR_OR_PUBLIC_MAX_SIZE and
* PSA_CIPHER_MAX_KEY_LENGTH. */
#if !defined(MBEDTLS_PSA_STATIC_KEY_SLOT_BUFFER_SIZE) #if !defined(MBEDTLS_PSA_STATIC_KEY_SLOT_BUFFER_SIZE)
#define MBEDTLS_PSA_STATIC_KEY_SLOT_BUFFER_SIZE (PSA_EXPORT_KEY_PAIR_OR_PUBLIC_MAX_SIZE) #define MBEDTLS_PSA_STATIC_KEY_SLOT_BUFFER_SIZE \
(PSA_EXPORT_KEY_PAIR_OR_PUBLIC_MAX_SIZE > PSA_CIPHER_MAX_KEY_LENGTH) ? \
PSA_EXPORT_KEY_PAIR_OR_PUBLIC_MAX_SIZE : PSA_CIPHER_MAX_KEY_LENGTH
#endif /* !MBEDTLS_PSA_STATIC_KEY_SLOT_BUFFER_SIZE*/ #endif /* !MBEDTLS_PSA_STATIC_KEY_SLOT_BUFFER_SIZE*/
/** The data structure representing a key slot, containing key material /** The data structure representing a key slot, containing key material