Function fiat_crypto::secp256k1_montgomery_scalar_64::fiat_secp256k1_montgomery_scalar_from_bytes

source ·

pub fn fiat_secp256k1_montgomery_scalar_from_bytes(
    out1: &mut [u64; 4],
    arg1: &[u8; 32]
)

Expand description

The function fiat_secp256k1_montgomery_scalar_from_bytes deserializes a field element NOT in the Montgomery domain from bytes in little-endian order.

Preconditions: 0 ≤ bytes_eval arg1 < m Postconditions: eval out1 mod m = bytes_eval arg1 mod m 0 ≤ eval out1 < m

Input Bounds: arg1: [[0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff], [0x0 ~> 0xff]] Output Bounds: out1: [[0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff], [0x0 ~> 0xffffffffffffffff]]