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Code Activity

PSA PAKE: reintroduce psa_pake_primitive_t

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If PSA_PAKE_OUTPUT_SIZE takes cipher_suite as a parameter and it is a
structure it can't be a compile-time constant anymore.

Reintroducing psa_pake_primitive_t, because it can be constructed as an
integral type and holds enough information to allow PSA_PAKE_OUTPUT_SIZE
calculating accurate estimates on the output size in compile time.

Signed-off-by: Janos Follath <janos.follath@arm.com>
This commit is contained in:
Janos Follath
2021-05-13 11:45:14 +01:00
parent a86c3131a8
commit 78b9e40662
5 changed files with 55 additions and 125 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
include/psa/crypto_struct.h
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@@ -466,10 +466,16 @@ struct psa_pake_cipher_suite_s
psa_algorithm_t algorithm;
psa_pake_primitive_type_t type;
psa_pake_family_t family;
size_t bits;
uint16_t bits;
psa_algorithm_t hash;
};
static inline psa_algorithm_t psa_pake_cs_get_algorithm(
const psa_pake_cipher_suite_t *cipher_suite)
{
return( cipher_suite->algorithm );
}
static inline void psa_pake_cs_set_algorithm(
psa_pake_cipher_suite_t *cipher_suite,
psa_algorithm_t algorithm)
@@ -480,49 +486,20 @@ static inline void psa_pake_cs_set_algorithm(
cipher_suite->algorithm = algorithm;
}
static inline psa_algorithm_t psa_pake_cs_get_algorithm(
static inline psa_pake_primitive_t psa_pake_cs_get_primitive(
const psa_pake_cipher_suite_t *cipher_suite)
{
return( cipher_suite->algorithm );
return( PSA_PAKE_PRIMITIVE( cipher_suite->type, cipher_suite->family,
cipher_suite->bits) );
}
static inline psa_pake_primitive_type_t psa_pake_cs_get_type(
const psa_pake_cipher_suite_t *cipher_suite)
{
return( cipher_suite->type );
}
static inline void psa_pake_cs_set_type(
static inline void psa_pake_cs_set_primitive(
psa_pake_cipher_suite_t *cipher_suite,
psa_pake_primitive_type_t type)
psa_pake_primitive_t primitive)
{
cipher_suite->type = type;
}
static inline psa_pake_family_t psa_pake_cs_get_family(
const psa_pake_cipher_suite_t *cipher_suite)
{
return( cipher_suite->family );
}
static inline void psa_pake_cs_set_family(
psa_pake_cipher_suite_t *cipher_suite,
psa_pake_family_t family)
{
cipher_suite->family = family;
}
static inline size_t psa_pake_cs_get_bits(
const psa_pake_cipher_suite_t *cipher_suite)
{
return( cipher_suite->bits );
}
static inline void psa_pake_cs_set_bits(
psa_pake_cipher_suite_t *cipher_suite,
size_t bits)
{
cipher_suite->bits = bits;
cipher_suite->type = (psa_pake_primitive_type_t) primitive >> 24;
cipher_suite->family = (psa_pake_family_t) ( 0xFF & (primitive >> 16) );
cipher_suite->bits = (uint16_t) ( 0xFFFF & primitive );
}
static inline psa_algorithm_t psa_pake_cs_get_hash(