Zig 0.17.0-dev (Split by item)

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cmov

ml_kem.cmov

fn cmov(comptime len: usize, dst: *[len]u8, src: [len]u8, b: u1) void

File

lib/std/crypto/ml_kem.zig:1433

Code

fn cmov(comptime len: usize, dst: *[len]u8, src: [len]u8, b: u1) void {
    const mask = @as(u8, 0) -% b;
    for (0..len) |i| {
        dst[i] ^= mask & (dst[i] ^ src[i]);
    }
}