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Seperate id checks from other state checks

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Signed-off-by: Paul Elliott <paul.elliott@arm.com>
This commit is contained in:
Paul Elliott 2021-05-20 14:29:20 +01:00
parent bb8bf6649e
commit cee785cd72
1 changed files with 69 additions and 19 deletions
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88
library/psa_crypto.c
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@ -3248,8 +3248,14 @@ psa_status_t psa_aead_encrypt_setup( psa_aead_operation_t *operation,
goto exit;
}
if( operation->id || operation->nonce_set ||
operation->ad_started || operation->body_started )
if( operation->id != 0 )
{
status = PSA_ERROR_BAD_STATE;
goto exit;
}
if( operation->nonce_set || operation->ad_started ||
operation->body_started )
{
status = PSA_ERROR_BAD_STATE;
goto exit;
@ -3259,9 +3265,7 @@ psa_status_t psa_aead_encrypt_setup( psa_aead_operation_t *operation,
key, &slot, PSA_KEY_USAGE_ENCRYPT, alg );
if( status != PSA_SUCCESS )
{
goto exit;
}
psa_key_attributes_t attributes = {
.core = slot->attr
@ -3272,9 +3276,7 @@ psa_status_t psa_aead_encrypt_setup( psa_aead_operation_t *operation,
slot->key.bytes, alg );
if( status != PSA_SUCCESS )
{
goto exit;
}
operation->key_type = psa_get_key_type( &attributes );
@ -3310,8 +3312,14 @@ psa_status_t psa_aead_decrypt_setup( psa_aead_operation_t *operation,
goto exit;
}
if( operation->id || operation->nonce_set ||
operation->ad_started || operation->body_started )
if( operation->id != 0 )
{
status = PSA_ERROR_BAD_STATE;
goto exit;
}
if( operation->nonce_set || operation->ad_started ||
operation->body_started )
{
status = PSA_ERROR_BAD_STATE;
goto exit;
@ -3359,8 +3367,14 @@ psa_status_t psa_aead_generate_nonce( psa_aead_operation_t *operation,
*nonce_length = 0;
if( !operation->id || operation->nonce_set ||
operation->ad_started || operation->body_started )
if( operation->id == 0 )
{
status = PSA_ERROR_BAD_STATE;
goto exit;
}
if( operation->nonce_set || operation->ad_started ||
operation->body_started )
{
status = PSA_ERROR_BAD_STATE;
goto exit;
@ -3401,8 +3415,14 @@ psa_status_t psa_aead_set_nonce( psa_aead_operation_t *operation,
{
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
if( !operation->id || operation->nonce_set ||
operation->ad_started || operation->body_started )
if( operation->id == 0 )
{
status = PSA_ERROR_BAD_STATE;
goto exit;
}
if( operation->nonce_set || operation->ad_started ||
operation->body_started )
{
status = PSA_ERROR_BAD_STATE;
goto exit;
@ -3428,7 +3448,13 @@ psa_status_t psa_aead_set_lengths( psa_aead_operation_t *operation,
{
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
if( !operation->id || operation->lengths_set )
if( operation->id == 0 )
{
status = PSA_ERROR_BAD_STATE;
goto exit;
}
if( operation->lengths_set )
{
status = PSA_ERROR_BAD_STATE;
goto exit;
@ -3453,7 +3479,13 @@ psa_status_t psa_aead_update_ad( psa_aead_operation_t *operation,
{
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
if( !operation->id || !operation->nonce_set )
if( operation->id == 0 )
{
status = PSA_ERROR_BAD_STATE;
goto exit;
}
if( !operation->nonce_set )
{
status = PSA_ERROR_BAD_STATE;
goto exit;
@ -3485,7 +3517,13 @@ psa_status_t psa_aead_update( psa_aead_operation_t *operation,
*output_length = 0;
if( !operation->id || !operation->nonce_set || !operation->ad_started )
if( operation->id == 0 )
{
status = PSA_ERROR_BAD_STATE;
goto exit;
}
if( !operation->nonce_set || !operation->ad_started )
{
status = PSA_ERROR_BAD_STATE;
goto exit;
@ -3519,8 +3557,14 @@ psa_status_t psa_aead_finish( psa_aead_operation_t *operation,
*ciphertext_length = 0;
*tag_length = 0;
if( !operation->id || !operation->nonce_set ||
!operation->ad_started || !operation->body_started )
if( operation->id == 0 )
{
status = PSA_ERROR_BAD_STATE;
goto exit;
}
if( !operation->nonce_set || !operation->ad_started ||
!operation->body_started )
{
status = PSA_ERROR_BAD_STATE;
goto exit;
@ -3551,8 +3595,14 @@ psa_status_t psa_aead_verify( psa_aead_operation_t *operation,
*plaintext_length = 0;
if( !operation->id || !operation->nonce_set ||
!operation->ad_started || !operation->body_started )
if( operation->id == 0 )
{
status = PSA_ERROR_BAD_STATE;
goto exit;
}
if( !operation->nonce_set || !operation->ad_started ||
!operation->body_started )
{
status = PSA_ERROR_BAD_STATE;
goto exit;