github/Sunscreen
1
1
Fork 0
mirror of https://github.com/Sunscreen-tech/Sunscreen.git synced 2026-01-10 06:08:00 -05:00
Code Issues Packages Projects Releases Wiki Activity

Update lwe security comments to mention binary keys (#379)

Browse Source
This commit is contained in:
Ryan Orendorff
2024-07-02 08:59:30 -07:00
committed by GitHub
parent 786d933af8
commit 428a8ad438
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
sunscreen_math/src/security.rs
View File

@@ -150,7 +150,8 @@ pub fn probability_away_from_mean_gaussian(x: f64, std: f64) -> f64 {
/// Returns the LWE standard deviation for a given dimension and security level,
/// normalized to the ciphertext modulus (calculated with 2^64 as the modulus).
/// Valid from 368 to 2048 dimensions and 78 to 130 bits of security.
/// Valid from 368 to 2048 dimensions and 78 to 130 bits of security. Assumes
/// that the private key is binary.
///
/// There are constraints on the input space above 1472 dimensions, where the
/// security level at the smallest amount of noise possible is higher than 78
@@ -227,7 +228,8 @@ pub fn lwe_security_level_to_std(dimension: usize, security_level: f64) -> Stand
/// Returns the LWE security level for a given dimension and standard deviation,
/// normalized to the ciphertext modulus (calculated with 2^64 as the modulus).
/// Valid from 368 to 2048 dimensions and 78 to 130 bits of security.
/// Valid from 368 to 2048 dimensions and 78 to 130 bits of security. Assumes
/// that the private key is binary.
///
/// The valid standard deviations are functions of the dimension, and hence not
/// all standard deviations are valid for all dimensions. If a standard