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Fix key slot being used uninitialised on error

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Signed-off-by: Paul Elliott <paul.elliott@arm.com>
This commit is contained in:
Paul Elliott 2021-05-20 21:54:19 +01:00
parent 3dc1c242b4
commit e715f88d9d
1 changed files with 14 additions and 8 deletions
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10
library/psa_crypto.c
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@ -3240,7 +3240,7 @@ psa_status_t psa_aead_encrypt_setup( psa_aead_operation_t *operation,
{
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
psa_status_t unlock_status = PSA_ERROR_CORRUPTION_DETECTED;
psa_key_slot_t *slot;
psa_key_slot_t *slot = NULL;
if( !PSA_ALG_IS_AEAD( alg ) || PSA_ALG_IS_WILDCARD( alg ) )
{
@ -3282,10 +3282,13 @@ psa_status_t psa_aead_encrypt_setup( psa_aead_operation_t *operation,
exit:
if( slot )
{
unlock_status = psa_unlock_key_slot( slot );
if( unlock_status != PSA_SUCCESS )
status = unlock_status;
}
if( status == PSA_SUCCESS )
operation->alg = psa_aead_get_base_algorithm( alg );
@ -3302,7 +3305,7 @@ psa_status_t psa_aead_decrypt_setup( psa_aead_operation_t *operation,
{
psa_status_t status = PSA_ERROR_CORRUPTION_DETECTED;
psa_status_t unlock_status = PSA_ERROR_CORRUPTION_DETECTED;
psa_key_slot_t *slot;
psa_key_slot_t *slot = NULL;
if( !PSA_ALG_IS_AEAD( alg ) || PSA_ALG_IS_WILDCARD( alg ) )
{
@ -3344,10 +3347,13 @@ psa_status_t psa_aead_decrypt_setup( psa_aead_operation_t *operation,
exit:
if( slot )
{
unlock_status = psa_unlock_key_slot( slot );
if( unlock_status != PSA_SUCCESS )
status = unlock_status;
}
if( status == PSA_SUCCESS )
operation->alg = psa_aead_get_base_algorithm( alg );