diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/MANPAGE.md | 4 | ||||
| -rw-r--r-- | Documentation/file-format.md | 12 |
2 files changed, 13 insertions, 3 deletions
diff --git a/Documentation/MANPAGE.md b/Documentation/MANPAGE.md index c7a1c03..fd8f5db 100644 --- a/Documentation/MANPAGE.md +++ b/Documentation/MANPAGE.md @@ -164,6 +164,10 @@ specify `-aessiv`. Use XChaCha20-Poly1305 file content encryption. This should be much faster than AES-GCM on CPUs that lack AES acceleration. +#### -aegis +Use AEGIS file content encryption. This should be much faster +than AES-GCM on CPUs with AES acceleration. + Run `gocryptfs -speed` to find out if and how much faster. MOUNT OPTIONS diff --git a/Documentation/file-format.md b/Documentation/file-format.md index 7cce72c..ee10524 100644 --- a/Documentation/file-format.md +++ b/Documentation/file-format.md @@ -24,7 +24,13 @@ Data block, XChaCha20-Poly1305 (enabled via `-init -xchacha`) 1-4096 bytes encrypted data 16 bytes Poly1305 tag -Full block overhead (AES-GCM and AES-SIV mode) = 32/4096 = 1/128 = 0.78125 % +Data block, AEGIS (enabled via `-init -aegis`) + + 16 bytes nonce + 1-4096 bytes encrypted data + 16 bytes tag + +Full block overhead (AEGIS, AES-GCM and AES-SIV mode) = 32/4096 = 1/128 = 0.78125 % Full block overhead (XChaCha20-Poly1305 mode) = 40/4096 = \~1 % @@ -36,8 +42,8 @@ Example: 1-byte file, AES-GCM and AES-SIV mode Total: 51 bytes -Example: 5000-byte file, , AES-GCM and AES-SIV mode ---------------------------------------------------- +Example: 5000-byte file, AEGIS, AES-GCM and AES-SIV mode +-------------------------------------------------------- Header 18 bytes Data block 4128 bytes |