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psa: Extend psa_get_key_buffer_size scope

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When generating transparent keys, we need to be able
to compute the size of the key buffer whether the
key is generated by the Mbed TLS library or by an
accelerator. Thus, change the RSA/ECP
MBEDTLS_PSA_BUILTIN_... compilation guards with
their PSA_WANT_... counterparts.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron 2020-12-07 11:07:24 +01:00
parent 55ed0591c8
commit 5c4d38639d
1 changed files with 4 additions and 4 deletions
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8
library/psa_crypto.c
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@ -6013,7 +6013,7 @@ static psa_status_t psa_get_key_buffer_size(
*key_buffer_size = PSA_BITS_TO_BYTES( bits );
}
else
#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR)
#if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR)
if( PSA_KEY_TYPE_IS_RSA( type ) && PSA_KEY_TYPE_IS_KEY_PAIR( type ) )
{
if( bits > PSA_VENDOR_RSA_MAX_KEY_BITS )
@ -6027,15 +6027,15 @@ static psa_status_t psa_get_key_buffer_size(
*key_buffer_size = PSA_KEY_EXPORT_RSA_KEY_PAIR_MAX_SIZE( bits );
}
else
#endif /* defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_RSA_KEY_PAIR) */
#endif /* defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR) */
#if defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR)
#if defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR)
if( PSA_KEY_TYPE_IS_ECC( type ) && PSA_KEY_TYPE_IS_KEY_PAIR( type ) )
{
*key_buffer_size = PSA_BITS_TO_BYTES( bits );
}
else
#endif /* defined(MBEDTLS_PSA_BUILTIN_KEY_TYPE_ECC_KEY_PAIR) */
#endif /* defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR) */
{
return( PSA_ERROR_NOT_SUPPORTED );
}