Set tag to 'impossible' value on failure to encrypt
Signed-off-by: Paul Elliott <paul.elliott@arm.com>
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@ -3626,6 +3626,11 @@ psa_status_t psa_aead_finish( psa_aead_operation_t *operation,
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exit:
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/* In case the operation fails and the user fails to check for failure or
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* the zero tag size, make sure the tag is set to something impossible. */
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if( status != PSA_SUCCESS )
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memset(tag, '!', tag_size);
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psa_aead_abort( operation );
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return( status );
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