tfhe 1.8.0

TFHE-rs is a fully homomorphic encryption (FHE) library that implements Zama's variant of TFHE.
Documentation 
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//! Implementation of the supported stream ciphers

mod shift_register;

pub mod aes;
pub mod kreyvium;
pub mod one_time_pad;

/// Pack `bits` into `bytes` LSB-first within each byte. `bytes` must be
/// zero-initialized and at least `bits.len().div_ceil(8)` long.
fn pack_bits_lsb_first(bits: &[bool], bytes: &mut [u8]) {
    for (i, &bit) in bits.iter().enumerate() {
        bytes[i / 8] |= (bit as u8) << (i % 8);
    }
}

/// Unpack `bytes` into `bits` LSB-first within each byte. If `bits` len is <= `bytes.len() * 8`
/// then the extra bits in the inputs bytes are ignored.
///
/// `bytes` len needs to be >= `bits.len().div_ceil(8)`.
fn unpack_bits_lsb_first(bytes: &[u8], bits: &mut [bool]) {
    for (bit_idx, output) in bits.iter_mut().enumerate() {
        let byte_idx = bit_idx / 8;
        let idx_in_byte = bit_idx % 8;

        *output = ((bytes[byte_idx] >> idx_in_byte) & 1) == 1;
    }
}