addMulVVWWasm(z, x *uint, y uint, n uintptr) (carry uint) { const mask32 = 1<<32 - 1 y0 := y & mask32 y1 := y >> 32 for i := range n { xi := *idx(x, i) x0 := xi & mask32 x1 := xi >> 32 zi := *idx(z, i) z0 := zi & mask32 z1 := zi >> 32 c0 := carry & mask32 c1 := carry >> 32 w00 := x0*y0 + z0 + c0 l00 := w00 & mask32 h00 := w00 >> 32 w01 := x0*y1 + z1 + h00 l01 := w01 & mask32 h01 := w01 >> 32 w10 := x1*y0 + c1 + l01 h10 := w10 >> 32 carry = x1*y1 + h10 + h01 *idx(z, i) = w10<<32 + l00 } return carry } func addMulVVW1024(z,...

func pkEncode(buf []byte, ρ []byte, t1 [][n]uint16, p parameters) []byte { pk := append(buf, ρ...) for _, w := range t1[:p.k] { // Encode four at a time into 4 * 10 bits = 5 bytes. for i := 0; i < n; i += 4 { c0 := w[i] c1 := w[i+1] c2 := w[i+2] c3 := w[i+3] b0 := byte(c0 >> 0) b1 := byte((c0 >> 8) | (c1 << 2)) b2 := byte((c1 >> 6) | (c2 << 4)) b3 := byte((c2 >> 4) | (c3 << 6)) b4 := byte(c3 >> 2) pk = append(pk, b0, b1, b2, b3, b4) } } return pk } func pkDecode(pk []byte, t1 [][n]uint16, p parameters)...