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Only zeroize buffer if the buffer length is non-zero

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This commit is contained in:
Darryl Green 2019-02-11 14:03:03 +00:00
parent 8593bca7f8
commit 8096cafa94
1 changed files with 2 additions and 1 deletions
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library/psa_crypto.c
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@ -1235,6 +1235,7 @@ static psa_status_t psa_copy_key_material( const psa_key_slot_t *source,
status = psa_import_key( target, source->type, buffer, length ); status = psa_import_key( target, source->type, buffer, length );
exit: exit:
if( buffer_size != 0 )
mbedtls_platform_zeroize( buffer, buffer_size ); mbedtls_platform_zeroize( buffer, buffer_size );
mbedtls_free( buffer ); mbedtls_free( buffer );
return( status ); return( status );