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Add missing PSA_ALG_IS_SIGN_HASH macro.

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Signed-off-by: Mateusz Starzyk <mateusz.starzyk@mobica.com>
This commit is contained in:
Mateusz Starzyk 2021-08-26 11:46:14 +02:00 committed by Gilles Peskine
parent 9fa1d57d6a
commit d22362c647
3 changed files with 22 additions and 3 deletions
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8
include/psa/crypto.h
View file

@ -3019,7 +3019,9 @@ psa_status_t psa_verify_message( mbedtls_svc_key_id_t key,
* \param key Identifier of the key to use for the operation.
* It must be an asymmetric key pair. The key must
* allow the usage #PSA_KEY_USAGE_SIGN_HASH.
* \param alg A signature algorithm that is compatible with
* \param alg A signature algorithm (PSA_ALG_XXX
* value such that #PSA_ALG_IS_SIGN_HASH(\p alg)
* is true), that is compatible with
* the type of \p key.
* \param[in] hash The hash or message to sign.
* \param hash_length Size of the \p hash buffer in bytes.
@ -3072,7 +3074,9 @@ psa_status_t psa_sign_hash(mbedtls_svc_key_id_t key,
* must be a public key or an asymmetric key pair. The
* key must allow the usage
* #PSA_KEY_USAGE_VERIFY_HASH.
* \param alg A signature algorithm that is compatible with
* \param alg A signature algorithm (PSA_ALG_XXX
* value such that #PSA_ALG_IS_SIGN_HASH(\p alg)
* is true), that is compatible with
* the type of \p key.
* \param[in] hash The hash or message whose signature is to be
* verified.

15
include/psa/crypto_values.h
View file

@ -1569,6 +1569,21 @@
#define PSA_ALG_IS_SIGN_MESSAGE(alg) \
(PSA_ALG_IS_HASH_AND_SIGN(alg) || (alg) == PSA_ALG_PURE_EDDSA )
/** Whether the specified algorithm is a signature algorithm that can be used
* with psa_sign_hash() and psa_verify_hash().
*
* \param alg An algorithm identifier (value of type psa_algorithm_t).
*
* \return 1 if alg is a signature algorithm that can be used to sign a
* hash. 0 if alg is a signature algorithm that can only be used
* to sign a message. 0 if alg is not a signature algorithm.
* This macro can return either 0 or 1 if alg is not a
* supported algorithm identifier.
*/
#define PSA_ALG_IS_SIGN_HASH(alg) \
(PSA_ALG_IS_HASH_AND_SIGN(alg) || (alg) == PSA_ALG_ED25519PH || \
(alg) == PSA_ALG_ED448PH)
/** Get the hash used by a hash-and-sign signature algorithm.
*
* A hash-and-sign algorithm is a signature algorithm which is

2
library/psa_crypto.c
View file

@ -2706,7 +2706,7 @@ static psa_status_t psa_sign_verify_check_alg( int input_is_message,
}
else
{
if( ! PSA_ALG_IS_HASH_AND_SIGN( alg ) )
if( ! PSA_ALG_IS_SIGN_HASH( alg ) )
return( PSA_ERROR_INVALID_ARGUMENT );
}