miden-crypto/src/utils.rs
src/utils.rsRaw
1use super::Word;
2use crate::utils::string::String;
3use core::fmt::{self, Write};
4
5#[cfg(not(feature = "std"))]
6pub use alloc::format;
7
8#[cfg(feature = "std")]
9pub use std::format;
10
11// RE-EXPORTS
12// ================================================================================================
13pub use winter_utils::{
14 collections, string, uninit_vector, ByteReader, ByteWriter, Deserializable,
15 DeserializationError, Serializable, SliceReader,
16};
17
18/// Converts a [Word] into hex.
19pub fn word_to_hex(w: &Word) -> Result<String, fmt::Error> {
20 let mut s = String::new();
21
22 for byte in w.iter().flat_map(|e| e.to_bytes()) {
23 write!(s, "{byte:02x}")?;
24 }
25
26 Ok(s)
27}