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crypto_sizes: size PSA max symbols according to actual support

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Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
This commit is contained in:
Valerio Setti 2023-07-27 18:15:20 +02:00
parent 7ef14bf8a2
commit a83d9bf0db
1 changed files with 69 additions and 17 deletions
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84
include/psa/crypto_sizes.h
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@ -633,10 +633,18 @@
* This macro expands to a compile-time constant integer. This value * This macro expands to a compile-time constant integer. This value
* is the maximum size of a signature in bytes. * is the maximum size of a signature in bytes.
*/ */
#define PSA_SIGNATURE_MAX_SIZE \ #define PSA_SIGNATURE_MAX_SIZE 0
(PSA_BITS_TO_BYTES(PSA_VENDOR_RSA_MAX_KEY_BITS) > PSA_VENDOR_ECDSA_SIGNATURE_MAX_SIZE ? \
PSA_BITS_TO_BYTES(PSA_VENDOR_RSA_MAX_KEY_BITS) : \ #if defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_BASIC) && \
PSA_VENDOR_ECDSA_SIGNATURE_MAX_SIZE) (PSA_VENDOR_ECDSA_SIGNATURE_MAX_SIZE > PSA_SIGNATURE_MAX_SIZE)
#undef PSA_SIGNATURE_MAX_SIZE
#define PSA_SIGNATURE_MAX_SIZE PSA_VENDOR_ECDSA_SIGNATURE_MAX_SIZE
#endif
#if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_BASIC) && \
(PSA_BITS_TO_BYTES(PSA_VENDOR_RSA_MAX_KEY_BITS) > PSA_SIGNATURE_MAX_SIZE)
#undef PSA_SIGNATURE_MAX_SIZE
#define PSA_SIGNATURE_MAX_SIZE PSA_BITS_TO_BYTES(PSA_VENDOR_RSA_MAX_KEY_BITS)
#endif
/** Sufficient output buffer size for psa_asymmetric_encrypt(). /** Sufficient output buffer size for psa_asymmetric_encrypt().
* *
@ -948,10 +956,29 @@
* *
* See also #PSA_EXPORT_KEY_OUTPUT_SIZE(\p key_type, \p key_bits). * See also #PSA_EXPORT_KEY_OUTPUT_SIZE(\p key_type, \p key_bits).
*/ */
#define PSA_EXPORT_KEY_PAIR_MAX_SIZE 0
#if defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_BASIC) && \
(PSA_KEY_EXPORT_ECC_KEY_PAIR_MAX_SIZE(PSA_VENDOR_ECC_MAX_CURVE_BITS) > \
PSA_EXPORT_KEY_PAIR_MAX_SIZE)
#undef PSA_EXPORT_KEY_PAIR_MAX_SIZE
#define PSA_EXPORT_KEY_PAIR_MAX_SIZE \ #define PSA_EXPORT_KEY_PAIR_MAX_SIZE \
PSA_MAX_OF_THREE(PSA_KEY_EXPORT_RSA_KEY_PAIR_MAX_SIZE(PSA_VENDOR_RSA_MAX_KEY_BITS), \ PSA_KEY_EXPORT_ECC_KEY_PAIR_MAX_SIZE(PSA_VENDOR_ECC_MAX_CURVE_BITS)
PSA_KEY_EXPORT_ECC_KEY_PAIR_MAX_SIZE(PSA_VENDOR_ECC_MAX_CURVE_BITS), \ #endif
PSA_KEY_EXPORT_FFDH_KEY_PAIR_MAX_SIZE(PSA_VENDOR_FFDH_MAX_KEY_BITS)) #if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_BASIC) && \
(PSA_KEY_EXPORT_RSA_KEY_PAIR_MAX_SIZE(PSA_VENDOR_RSA_MAX_KEY_BITS) > \
PSA_EXPORT_KEY_PAIR_MAX_SIZE)
#undef PSA_EXPORT_KEY_PAIR_MAX_SIZE
#define PSA_EXPORT_KEY_PAIR_MAX_SIZE \
PSA_KEY_EXPORT_RSA_KEY_PAIR_MAX_SIZE(PSA_VENDOR_RSA_MAX_KEY_BITS)
#endif
#if defined(PSA_WANT_KEY_TYPE_DH_KEY_PAIR_BASIC) && \
(PSA_KEY_EXPORT_FFDH_KEY_PAIR_MAX_SIZE(PSA_VENDOR_FFDH_MAX_KEY_BITS) > \
PSA_EXPORT_KEY_PAIR_MAX_SIZE)
#undef PSA_EXPORT_KEY_PAIR_MAX_SIZE
#define PSA_EXPORT_KEY_PAIR_MAX_SIZE \
PSA_KEY_EXPORT_DH_KEY_PAIR_MAX_SIZE(PSA_VENDOR_FFDH_MAX_KEY_BITS)
#endif
/** Sufficient buffer size for exporting any asymmetric public key. /** Sufficient buffer size for exporting any asymmetric public key.
* *
@ -962,11 +989,29 @@
* *
* See also #PSA_EXPORT_PUBLIC_KEY_OUTPUT_SIZE(\p key_type, \p key_bits). * See also #PSA_EXPORT_PUBLIC_KEY_OUTPUT_SIZE(\p key_type, \p key_bits).
*/ */
#define PSA_EXPORT_PUBLIC_KEY_MAX_SIZE \ #define PSA_EXPORT_PUBLIC_KEY_MAX_SIZE 0
PSA_MAX_OF_THREE(PSA_KEY_EXPORT_RSA_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_RSA_MAX_KEY_BITS), \
PSA_KEY_EXPORT_ECC_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_ECC_MAX_CURVE_BITS), \
PSA_KEY_EXPORT_FFDH_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_FFDH_MAX_KEY_BITS))
#if defined(PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY) && \
(PSA_KEY_EXPORT_ECC_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_ECC_MAX_CURVE_BITS) > \
PSA_EXPORT_PUBLIC_KEY_MAX_SIZE)
#undef PSA_EXPORT_PUBLIC_KEY_MAX_SIZE
#define PSA_EXPORT_PUBLIC_KEY_MAX_SIZE \
PSA_KEY_EXPORT_ECC_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_ECC_MAX_CURVE_BITS)
#endif
#if defined(PSA_WANT_KEY_TYPE_RSA_PUBLIC_KEY) && \
(PSA_KEY_EXPORT_RSA_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_RSA_MAX_KEY_BITS) > \
PSA_EXPORT_PUBLIC_KEY_MAX_SIZE)
#undef PSA_EXPORT_PUBLIC_KEY_MAX_SIZE
#define PSA_EXPORT_PUBLIC_KEY_MAX_SIZE \
PSA_KEY_EXPORT_RSA_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_RSA_MAX_KEY_BITS)
#endif
#if defined(PSA_WANT_KEY_TYPE_DH_PUBLIC_KEY) && \
(PSA_KEY_EXPORT_FFDH_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_FFDH_MAX_KEY_BITS) > \
PSA_EXPORT_PUBLIC_KEY_MAX_SIZE)
#undef PSA_EXPORT_PUBLIC_KEY_MAX_SIZE
#define PSA_EXPORT_PUBLIC_KEY_MAX_SIZE \
PSA_KEY_EXPORT_FFDH_PUBLIC_KEY_MAX_SIZE(PSA_VENDOR_FFDH_MAX_KEY_BITS)
#endif
/** Sufficient output buffer size for psa_raw_key_agreement(). /** Sufficient output buffer size for psa_raw_key_agreement().
* *
@ -1002,11 +1047,18 @@
* *
* See also #PSA_RAW_KEY_AGREEMENT_OUTPUT_SIZE(\p key_type, \p key_bits). * See also #PSA_RAW_KEY_AGREEMENT_OUTPUT_SIZE(\p key_type, \p key_bits).
*/ */
#define PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE \ #define PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE 0
(PSA_BITS_TO_BYTES(PSA_VENDOR_ECC_MAX_CURVE_BITS) > \
PSA_BITS_TO_BYTES(PSA_VENDOR_FFDH_MAX_KEY_BITS) ? \ #if defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_BASIC) && \
PSA_BITS_TO_BYTES(PSA_VENDOR_ECC_MAX_CURVE_BITS) : \ (PSA_BITS_TO_BYTES(PSA_VENDOR_ECC_MAX_CURVE_BITS) > PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE)
PSA_BITS_TO_BYTES(PSA_VENDOR_FFDH_MAX_KEY_BITS)) #undef PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE
#define PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE PSA_BITS_TO_BYTES(PSA_VENDOR_ECC_MAX_CURVE_BITS)
#endif
#if defined(PSA_WANT_KEY_TYPE_DH_KEY_PAIR_BASIC) && \
(PSA_BITS_TO_BYTES(PSA_VENDOR_FFDH_MAX_KEY_BITS) > PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE)
#undef PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE
#define PSA_RAW_KEY_AGREEMENT_OUTPUT_MAX_SIZE PSA_BITS_TO_BYTES(PSA_VENDOR_FFDH_MAX_KEY_BITS)
#endif
/** The default IV size for a cipher algorithm, in bytes. /** The default IV size for a cipher algorithm, in bytes.
* *