Function fiat_crypto::secp256k1_montgomery_scalar_32::fiat_secp256k1_montgomery_scalar_mulx_u32
source · pub fn fiat_secp256k1_montgomery_scalar_mulx_u32(
out1: &mut u32,
out2: &mut u32,
arg1: u32,
arg2: u32
)
Expand description
The function fiat_secp256k1_montgomery_scalar_mulx_u32 is a multiplication, returning the full double-width result.
Postconditions: out1 = (arg1 * arg2) mod 2^32 out2 = ⌊arg1 * arg2 / 2^32⌋
Input Bounds: arg1: [0x0 ~> 0xffffffff] arg2: [0x0 ~> 0xffffffff] Output Bounds: out1: [0x0 ~> 0xffffffff] out2: [0x0 ~> 0xffffffff]