Zig 0.17.0-dev (Split by item)

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blamkaGeneric

argon2.blamkaGeneric

fn blamkaGeneric(x: *[16]u64) void

File

lib/std/crypto/argon2.zig:396

Code

fn blamkaGeneric(x: *[16]u64) void {
    const rounds = comptime [_]QuarterRound{
        Rp(0, 4, 8, 12),
        Rp(1, 5, 9, 13),
        Rp(2, 6, 10, 14),
        Rp(3, 7, 11, 15),
        Rp(0, 5, 10, 15),
        Rp(1, 6, 11, 12),
        Rp(2, 7, 8, 13),
        Rp(3, 4, 9, 14),
    };
    inline for (rounds) |r| {
        x[r.a] = fBlaMka(x[r.a], x[r.b]);
        x[r.d] = math.rotr(u64, x[r.d] ^ x[r.a], 32);
        x[r.c] = fBlaMka(x[r.c], x[r.d]);
        x[r.b] = math.rotr(u64, x[r.b] ^ x[r.c], 24);
        x[r.a] = fBlaMka(x[r.a], x[r.b]);
        x[r.d] = math.rotr(u64, x[r.d] ^ x[r.a], 16);
        x[r.c] = fBlaMka(x[r.c], x[r.d]);
        x[r.b] = math.rotr(u64, x[r.b] ^ x[r.c], 63);
    }
}