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Refuse non-byte-sized raw data keys

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Since the key size is stored in bytes, we can't have a key whose size
isn't a whole number of bytes.
This commit is contained in:
Gilles Peskine 2018-06-21 09:32:47 +02:00 committed by itayzafrir
parent 140855615f
commit b54979a297
1 changed files with 2 additions and 0 deletions
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2
library/psa_crypto.c
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@ -420,6 +420,8 @@ static psa_status_t prepare_raw_data_slot( psa_key_type_t type,
default: default:
return( PSA_ERROR_NOT_SUPPORTED ); return( PSA_ERROR_NOT_SUPPORTED );
} }
if( bits % 8 != 0 )
return( PSA_ERROR_INVALID_ARGUMENT );
/* Allocate memory for the key */ /* Allocate memory for the key */
raw->bytes = PSA_BITS_TO_BYTES( bits ); raw->bytes = PSA_BITS_TO_BYTES( bits );