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use crate::interface_types::algorithm::HashingAlgorithm;
use crate::structures::Digest;
use crate::structures::HashAgile;
use crate::tss2_esys::TPML_DIGEST_VALUES;
use crate::{Error, Result};
use std::collections::HashMap;
use std::convert::{TryFrom, TryInto};
#[derive(Debug, Clone, Default)]
pub struct DigestValues {
digests: HashMap<HashingAlgorithm, Digest>,
}
impl DigestValues {
pub fn new() -> Self {
DigestValues {
digests: HashMap::new(),
}
}
pub fn set(&mut self, alg: HashingAlgorithm, dig: Digest) {
let _ = self.digests.insert(alg, dig);
}
}
impl TryFrom<DigestValues> for TPML_DIGEST_VALUES {
type Error = Error;
fn try_from(digest_values: DigestValues) -> Result<Self> {
let mut digest_values = digest_values;
let mut tss_digest_values: TPML_DIGEST_VALUES = Default::default();
for (digest_hash, digest_val) in digest_values.digests.drain() {
let ha = HashAgile::new(digest_hash, digest_val);
tss_digest_values.digests[tss_digest_values.count as usize] = ha.try_into()?;
tss_digest_values.count += 1;
}
Ok(tss_digest_values)
}
}
