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Combine core pake computation stage(step,sequence,state) into single driver step

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Signed-off-by: Przemek Stekiel <przemyslaw.stekiel@mobica.com>
This commit is contained in:
Przemek Stekiel
2023-01-17 12:05:38 +01:00
parent 8c8ab26b2a
commit b09c487546
8 changed files with 136 additions and 110 deletions
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84
library/psa_crypto.c
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@@ -7332,6 +7332,70 @@ psa_status_t psa_pake_set_role(
return PSA_SUCCESS;
}
/* Auxiliary function to convert core computation stage(step, sequence, state) to single driver step. */
static psa_pake_driver_step_t convert_jpake_computation_stage_to_driver_step(
psa_pake_computation_stage_t *stage)
{
switch (stage->data.jpake_computation_stage.state) {
case PSA_PAKE_OUTPUT_X1_X2:
case PSA_PAKE_INPUT_X1_X2:
switch (stage->data.jpake_computation_stage.sequence) {
case PSA_PAKE_X1_STEP_KEY_SHARE:
return PSA_JPAKE_X1_STEP_KEY_SHARE;
break;
case PSA_PAKE_X1_STEP_ZK_PUBLIC:
return PSA_JPAKE_X1_STEP_ZK_PUBLIC;
break;
case PSA_PAKE_X1_STEP_ZK_PROOF:
return PSA_JPAKE_X1_STEP_ZK_PROOF;
break;
case PSA_PAKE_X2_STEP_KEY_SHARE:
return PSA_JPAKE_X2_STEP_KEY_SHARE;
break;
case PSA_PAKE_X2_STEP_ZK_PUBLIC:
return PSA_JPAKE_X2_STEP_ZK_PUBLIC;
break;
case PSA_PAKE_X2_STEP_ZK_PROOF:
return PSA_JPAKE_X2_STEP_ZK_PROOF;
break;
default:
return PSA_JPAKE_STEP_INVALID;
}
break;
case PSA_PAKE_OUTPUT_X2S:
switch (stage->data.jpake_computation_stage.sequence) {
case PSA_PAKE_X1_STEP_KEY_SHARE:
return PSA_JPAKE_X2S_STEP_KEY_SHARE;
break;
case PSA_PAKE_X1_STEP_ZK_PUBLIC:
return PSA_JPAKE_X2S_STEP_ZK_PUBLIC;
break;
case PSA_PAKE_X1_STEP_ZK_PROOF:
return PSA_JPAKE_X2S_STEP_ZK_PROOF;
break;
return PSA_JPAKE_STEP_INVALID;
}
break;
case PSA_PAKE_INPUT_X4S:
switch (stage->data.jpake_computation_stage.sequence) {
case PSA_PAKE_X1_STEP_KEY_SHARE:
return PSA_JPAKE_X4S_STEP_KEY_SHARE;
break;
case PSA_PAKE_X1_STEP_ZK_PUBLIC:
return PSA_JPAKE_X4S_STEP_ZK_PUBLIC;
break;
case PSA_PAKE_X1_STEP_ZK_PROOF:
return PSA_JPAKE_X4S_STEP_ZK_PROOF;
break;
return PSA_JPAKE_STEP_INVALID;
}
break;
default:
return PSA_JPAKE_STEP_INVALID;
}
return PSA_JPAKE_STEP_INVALID;
}
static psa_status_t psa_pake_complete_inputs(
psa_pake_operation_t *operation)
{
@@ -7501,9 +7565,14 @@ psa_status_t psa_pake_output(
return PSA_ERROR_NOT_SUPPORTED;
}
status = psa_driver_wrapper_pake_output(operation, step,
&operation->computation_stage,
output, output_size, output_length);
status = psa_driver_wrapper_pake_output(operation,
convert_jpake_computation_stage_to_driver_step(&
operation
->
computation_stage),
output,
output_size,
output_length);
if (status != PSA_SUCCESS) {
return status;
@@ -7660,9 +7729,12 @@ psa_status_t psa_pake_input(
return PSA_ERROR_NOT_SUPPORTED;
}
status = psa_driver_wrapper_pake_input(operation, step,
&operation->computation_stage,
input, input_length);
status = psa_driver_wrapper_pake_input(operation,
convert_jpake_computation_stage_to_driver_step(&operation
->
computation_stage),
input,
input_length);
if (status != PSA_SUCCESS) {
return status;