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move hash update zero-length-input check back into the core

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Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
This commit is contained in:
Steven Cooreman
2021-03-04 14:02:19 +01:00
parent dbf8ceda54
commit c8288354a2
2 changed files with 5 additions and 5 deletions
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5
library/psa_crypto.c
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@@ -2226,6 +2226,11 @@ psa_status_t psa_hash_update( psa_hash_operation_t *operation,
if( operation->id == 0 )
return( PSA_ERROR_BAD_STATE );
/* Don't require hash implementations to behave correctly on a
* zero-length input, which may have an invalid pointer. */
if( input_length == 0 )
return( PSA_SUCCESS );
psa_status_t status = psa_driver_wrapper_hash_update( operation,
input, input_length );
if( status != PSA_SUCCESS )