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Clear up language on zeroizing driver context at setup

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Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>
This commit is contained in:
Steven Cooreman 2021-03-15 19:00:14 +01:00
parent aa87fd0012
commit b6bf4bbf95
1 changed files with 2 additions and 1 deletions
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3
library/psa_crypto.c
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@ -2164,7 +2164,8 @@ psa_status_t psa_hash_setup( psa_hash_operation_t *operation,
if( !PSA_ALG_IS_HASH( alg ) )
return( PSA_ERROR_INVALID_ARGUMENT );
/* Ensure all of the context is zeroized, not just the dummy int */
/* Ensure all of the context is zeroized, since PSA_HASH_OPERATION_INIT only
* directly zeroes the int-sized dummy member of the context union. */
memset( &operation->ctx, 0, sizeof( operation->ctx ) );
return( psa_driver_wrapper_hash_setup( operation, alg ) );