diff options
Diffstat (limited to 'src/checksummer.rs')
-rw-r--r-- | src/checksummer.rs | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/src/checksummer.rs b/src/checksummer.rs index 162c26b..18b8afb 100644 --- a/src/checksummer.rs +++ b/src/checksummer.rs @@ -1,8 +1,30 @@ use sha2::{Digest, Sha256}; +use std::fmt; -pub fn sha256(data: &[u8]) -> String { - let mut hasher = Sha256::new(); - hasher.update(data); - let hash = hasher.finalize(); - format!("{:x}", hash) +/// A checksum of some data. +#[derive(Debug, Clone)] +pub enum Checksum { + Sha256(String), +} + +impl Checksum { + pub fn sha256(data: &[u8]) -> Self { + let mut hasher = Sha256::new(); + hasher.update(data); + let hash = hasher.finalize(); + Self::Sha256(format!("{:x}", hash)) + } + + pub fn sha256_from_str_unchecked(hash: &str) -> Self { + Self::Sha256(hash.to_string()) + } +} + +impl fmt::Display for Checksum { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + let hash = match self { + Self::Sha256(hash) => hash, + }; + write!(f, "{}", hash) + } } |