Snowflower Arc User Guide

Archive Format

File Format File Extention Compression Algorizm

7z

.7z

Lzma, Lzma2

bzip2

.bz

Bzip2

lzo

.lzo

Lzo

lz4

.lz4

Lz4

gzip

.gz

Deflate

xz

.xz

Lzma2

zip

.zip

Deflate

Table 1. Performance compared to Deflate
Compression Algorithm Compression Extraction

Deflate

*

*

Bzip2

Very slow

Slow

Lzma2

Slow

Little slow

lzo

Very fast

Very fast

lz4

Very fast

Very fast

Encryption

Zip Encryption

The Zip archive you can use the two of AES and the old encryption as the encryption algorithm.In Snowflower Arc supports the extension of all these algorithms. However, the encryption only supports strong encryption with AES from the point of view of security. Old encryption of Zip is known to be very weak.

7z Encryption

The 7z archive you can use the algorithm of AES. In Snowflower Arc extension only to support.