tss_esapi/structures/names/
name.rs

1// Copyright 2020 Contributors to the Parsec project.
2// SPDX-License-Identifier: Apache-2.0
3use crate::tss2_esys::TPM2B_NAME;
4use crate::{Error, Result, WrapperErrorKind};
5use log::error;
6use std::convert::TryFrom;
7/// Structure holding the data representing names
8#[allow(missing_copy_implementations)]
9#[derive(Debug, Clone)]
10pub struct Name {
11    value: TPM2B_NAME,
12}
13
14impl Name {
15    const MAX_SIZE: usize = 68;
16    pub fn value(&self) -> &[u8] {
17        &self.value.name[..self.value.size as usize]
18    }
19}
20
21impl PartialEq for Name {
22    fn eq(&self, other: &Self) -> bool {
23        self.value() == other.value()
24    }
25}
26
27impl Eq for Name {}
28
29impl TryFrom<Vec<u8>> for Name {
30    type Error = Error;
31    fn try_from(bytes: Vec<u8>) -> Result<Self> {
32        if bytes.len() > Name::MAX_SIZE {
33            error!("Invalid Vec<u8> size(> {})", Name::MAX_SIZE);
34            return Err(Error::local_error(WrapperErrorKind::WrongParamSize));
35        }
36        let size = bytes.len() as u16;
37        let mut name = [0; Name::MAX_SIZE];
38        name[..bytes.len()].copy_from_slice(&bytes);
39        Ok(Name {
40            value: TPM2B_NAME { size, name },
41        })
42    }
43}
44
45impl TryFrom<TPM2B_NAME> for Name {
46    type Error = Error;
47    fn try_from(tss_name: TPM2B_NAME) -> Result<Self> {
48        let size = tss_name.size as usize;
49        if size > Name::MAX_SIZE {
50            error!("Invalid TPM2B_NAME size(> {})", Name::MAX_SIZE);
51            return Err(Error::local_error(WrapperErrorKind::InvalidParam));
52        }
53        Ok(Name { value: tss_name })
54    }
55}
56
57impl From<Name> for TPM2B_NAME {
58    fn from(name: Name) -> Self {
59        name.value
60    }
61}
62
63impl AsRef<TPM2B_NAME> for Name {
64    fn as_ref(&self) -> &TPM2B_NAME {
65        &self.value
66    }
67}
tss_esapi/structures/names/name.rs

tss_esapi/structures/names/
name.rs
