diff options
| author | Jakob Unterwurzacher | 2016-10-12 09:57:20 +0200 |
|---|---|---|
| committer | Jakob Unterwurzacher | 2016-10-12 09:57:20 +0200 |
| commit | c8f5a5049c1a6e17c165f170786ab0da1d9ef6cb (patch) | |
| tree | 36ed9acaaabd32c851680a94098c80d0393c3335 /docs/comparison.md | |
| parent | b19b33d59e9836f0d7f58a20c2a28ebe33022883 (diff) | |
cryptomator v1.2.0 dropped the random padding.
Diffstat (limited to 'docs/comparison.md')
| -rw-r--r-- | docs/comparison.md | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/docs/comparison.md b/docs/comparison.md index ecc44c8..c3fdb07 100644 --- a/docs/comparison.md +++ b/docs/comparison.md @@ -84,11 +84,12 @@ File Contents | --------------------- | --------- | ----------------------- | ----------------------- | --------------------- | ---------------------- | -------- | --------------------- | | Encryption | GCM | CBC; last block CFB [1] | CBC; last block CFB [1] | CBC | CTR with random IV [2] | GCM | GCM | | Integrity | GCM | none | HMAC | none | HMAC | GCM | GCM | -| File size obfuscation | no | no | no | yes (4 KB increments) | yes (random padding) | no | yes (chunked storage) | +| File size obfuscation | no | no | no | yes (4 KB increments) | no [3] | no | yes (chunked storage) | References: [[1]](https://github.com/vgough/encfs/issues/9) [[2]](https://github.com/cryptomator/cryptomator/issues/128#issuecomment-168942517) +[[3]](https://github.com/cryptomator/cryptomator/releases/tag/1.2.0) File Names ---------- @@ -153,13 +154,13 @@ Disk Space Efficiency | | gocryptfs | encfs default | encfs paranoia | ecryptfs | cryptomator {1} | securefs {2} | CryFS | | ------------------------- | --------- | ------------- | -------------- | --------- | ------------------------- | ------------ | --------- | -| Empty file | 0 | 0 | 0 | 8,192 | 104 - 4,231 | 112 | 32,768 | -| 1 byte file | 51 | 9 | 17 | 12,288 | 104 - 4,231 | 161 | 32,768 | -| 1,000,000 bytes file | 1,007,858 | 1,000,008 | 1,007,888 | 1,011,712 | 1,001,096 - 1,101,192 [1] | 1,011,872 | 1,048,576 | +| Empty file | 0 | 0 | 0 | 8,192 | 88 | 112 | 32,768 | +| 1 byte file | 51 | 9 | 17 | 12,288 | 137 | 161 | 32,768 | +| 1,000,000 bytes file | 1,007,858 | 1,000,008 | 1,007,888 | 1,011,712 | 1,001,576 | 1,011,872 | 1,048,576 | | linux-3.0 source tree {3} | 498 MiB | 485 MiB | 488 MiB | 784 MiB | (not tested) | (not tested) | 1470 MiB | Notes: -{1} cryptomator adds a random padding which is why the resulting size is non-deterministic. +{1} cryptomator dropped the use of a random padding in v1.2.0 due to performance concerns. {2} securefs stores data and crypto metadata (nonces + GHASH) in separate files. The sum of both is shown here. {3} Measured using "du -sm" on the encrypted directory. The backing filesystem is tmpfs. |