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Zeroize tmp buf in mbedtls_md_file() md.c

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This commit is contained in:
Andres Amaya Garcia 2017-06-23 16:30:31 +01:00
parent ea0fad4327
commit 2390c2ad9e
1 changed files with 3 additions and 4 deletions
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7
library/md.c
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@ -312,13 +312,12 @@ int mbedtls_md_file( const mbedtls_md_info_t *md_info, const char *path, unsigne
md_info->update_func( ctx.md_ctx, buf, n ); md_info->update_func( ctx.md_ctx, buf, n );
if( ferror( f ) != 0 ) if( ferror( f ) != 0 )
{
ret = MBEDTLS_ERR_MD_FILE_IO_ERROR; ret = MBEDTLS_ERR_MD_FILE_IO_ERROR;
goto cleanup; else
}
md_info->finish_func( ctx.md_ctx, output ); md_info->finish_func( ctx.md_ctx, output );
mbedtls_zeroize( buf, sizeof( buf ) );
cleanup: cleanup:
fclose( f ); fclose( f );
mbedtls_md_free( &ctx ); mbedtls_md_free( &ctx );