Zig 0.17.0-dev (Split by item)

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blockMix

scrypt.blockMix

fn blockMix(tmp: *align(16) [16]u32, in: []align(16) const u32, out: []align(16) u32, r: u30) void

File

lib/std/crypto/scrypt.zig:74

Code

fn blockMix(tmp: *align(16) [16]u32, in: []align(16) const u32, out: []align(16) u32, r: u30) void {
    blockCopy(tmp, @alignCast(in[(2 * r - 1) * 16 ..]), 1);
    var i: usize = 0;
    while (i < 2 * r) : (i += 2) {
        salsaXor(tmp, @alignCast(in[i * 16 ..]), @alignCast(out[i * 8 ..]));
        salsaXor(tmp, @alignCast(in[i * 16 + 16 ..]), @alignCast(out[i * 8 + r * 16 ..]));
    }
}