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Introduce PSA_PAKE_OPERATION_STAGE_SETUP to optimize out alg checks

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Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>
This commit is contained in:
Przemek Stekiel 2023-01-26 10:35:02 +01:00
parent ff01bc496c
commit 1c3cfb4fb0
2 changed files with 8 additions and 25 deletions
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26
library/psa_crypto.c
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@ -7237,11 +7237,7 @@ psa_status_t psa_pake_setup(
psa_pake_operation_t *operation,
const psa_pake_cipher_suite_t *cipher_suite)
{
if (operation->stage != PSA_PAKE_OPERATION_STAGE_COLLECT_INPUTS) {
return PSA_ERROR_BAD_STATE;
}
if (operation->alg != PSA_ALG_NONE) {
if (operation->stage != PSA_PAKE_OPERATION_STAGE_SETUP) {
return PSA_ERROR_BAD_STATE;
}
@ -7266,6 +7262,8 @@ psa_status_t psa_pake_setup(
computation_stage->output_step = PSA_PAKE_STEP_X1_X2;
}
operation->stage = PSA_PAKE_OPERATION_STAGE_COLLECT_INPUTS;
return PSA_SUCCESS;
}
@ -7281,10 +7279,6 @@ psa_status_t psa_pake_set_password_key(
return PSA_ERROR_BAD_STATE;
}
if (operation->alg == PSA_ALG_NONE) {
return PSA_ERROR_BAD_STATE;
}
status = psa_get_and_lock_key_slot_with_policy(password, &slot,
PSA_KEY_USAGE_DERIVE,
PSA_ALG_JPAKE);
@ -7329,10 +7323,6 @@ psa_status_t psa_pake_set_user(
return PSA_ERROR_BAD_STATE;
}
if (operation->alg == PSA_ALG_NONE) {
return PSA_ERROR_BAD_STATE;
}
if (user_id_len == 0) {
return PSA_ERROR_INVALID_ARGUMENT;
}
@ -7351,10 +7341,6 @@ psa_status_t psa_pake_set_peer(
return PSA_ERROR_BAD_STATE;
}
if (operation->alg == PSA_ALG_NONE) {
return PSA_ERROR_BAD_STATE;
}
if (peer_id_len == 0) {
return PSA_ERROR_INVALID_ARGUMENT;
}
@ -7370,10 +7356,6 @@ psa_status_t psa_pake_set_role(
return PSA_ERROR_BAD_STATE;
}
if (operation->alg == PSA_ALG_NONE) {
return PSA_ERROR_BAD_STATE;
}
if (role != PSA_PAKE_ROLE_NONE &&
role != PSA_PAKE_ROLE_FIRST &&
role != PSA_PAKE_ROLE_SECOND &&
@ -7887,7 +7869,7 @@ psa_status_t psa_pake_abort(
}
operation->alg = PSA_ALG_NONE;
operation->stage = PSA_PAKE_OPERATION_STAGE_COLLECT_INPUTS;
operation->stage = PSA_PAKE_OPERATION_STAGE_SETUP;
operation->id = 0;
return PSA_SUCCESS;