provenant-cli 0.0.13

Rust-based ScanCode-compatible scanner for licenses, package metadata, SBOMs, and provenance data.
Documentation 
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use md5::{Digest as Md5Digest, Md5};
use sha1::Sha1;
use sha2::Sha256;

/// Calculate SHA1 hash of content and return it as a hex string
pub fn calculate_sha1(content: &[u8]) -> String {
    let digest = Sha1::digest(content);
    hex::encode(digest)
}

/// Calculate MD5 hash of content and return it as a hex string
pub fn calculate_md5(content: &[u8]) -> String {
    let digest = Md5::digest(content);
    hex::encode(digest)
}

/// Calculate SHA256 hash of content and return it as a hex string
pub fn calculate_sha256(content: &[u8]) -> String {
    let digest = Sha256::digest(content);
    hex::encode(digest)
}

/// Calculate Git blob SHA1 hash of content and return it as a hex string.
pub fn calculate_sha1_git(content: &[u8]) -> String {
    let mut payload = Vec::with_capacity(content.len() + 32);
    payload.extend_from_slice(format!("blob {}\0", content.len()).as_bytes());
    payload.extend_from_slice(content);
    calculate_sha1(&payload)
}