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| author | Frank Denis | 2025-03-12 01:52:15 +0100 |
|---|---|---|
| committer | Jakob Unterwurzacher | 2025-03-12 20:43:23 +0100 |
| commit | e445b2f3f84f8b09b391c4bee2e6c2886963f2fe (patch) | |
| tree | 6c85e746d6449ce7e2c301554564181261ca0638 | |
| parent | e8e79b05e7bf15da18df24ab0ff8782218d7c3ec (diff) | |
Update overhead for AEGIS-256 with 32-bit nonces
| -rw-r--r-- | Documentation/file-format.md | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/file-format.md b/Documentation/file-format.md index 73c505f..7b5f765 100644 --- a/Documentation/file-format.md +++ b/Documentation/file-format.md @@ -30,10 +30,12 @@ Data block, AEGIS (enabled via `-init -aegis`) 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 (AES-GCM and AES-SIV mode) = 32/4096 = 1/128 = 0.78125 % Full block overhead (XChaCha20-Poly1305 mode) = 40/4096 = \~1 % +Full block overhead (AEGIS-256X2 mode) = 48/4096 = 3/256 = 1.171875 % + Example: 1-byte file, AES-GCM and AES-SIV mode ---------------------------------------------- |