tss_esapi/interface_types/
structure_tags.rs

1// Copyright 2021 Contributors to the Parsec project.
2// SPDX-License-Identifier: Apache-2.0
3
4use crate::{constants::StructureTag, tss2_esys::TPMI_ST_ATTEST, Error, Result, WrapperErrorKind};
5use std::convert::TryFrom;
6
7/// Type of attestation.
8///
9/// # Details
10/// Corresponds to `TPMI_ST_ATTEST`.
11#[derive(Debug, Clone, Copy, PartialEq, Eq)]
12pub enum AttestationType {
13    Certify,
14    Quote,
15    SessionAudit,
16    CommandAudit,
17    Time,
18    Creation,
19    Nv,
20    NvDigest,
21}
22
23impl From<AttestationType> for StructureTag {
24    fn from(native: AttestationType) -> Self {
25        match native {
26            AttestationType::Certify => StructureTag::AttestCertify,
27            AttestationType::Quote => StructureTag::AttestQuote,
28            AttestationType::SessionAudit => StructureTag::AttestSessionAudit,
29            AttestationType::CommandAudit => StructureTag::AttestCommandAudit,
30            AttestationType::Time => StructureTag::AttestTime,
31            AttestationType::Creation => StructureTag::AttestCreation,
32            AttestationType::Nv => StructureTag::AttestNv,
33            AttestationType::NvDigest => StructureTag::AttestNvDigest,
34        }
35    }
36}
37
38impl TryFrom<StructureTag> for AttestationType {
39    type Error = Error;
40
41    fn try_from(structure_tag: StructureTag) -> Result<AttestationType> {
42        match structure_tag {
43            StructureTag::AttestCertify => Ok(AttestationType::Certify),
44            StructureTag::AttestQuote => Ok(AttestationType::Quote),
45            StructureTag::AttestSessionAudit => Ok(AttestationType::SessionAudit),
46            StructureTag::AttestCommandAudit => Ok(AttestationType::CommandAudit),
47            StructureTag::AttestTime => Ok(AttestationType::Time),
48            StructureTag::AttestCreation => Ok(AttestationType::Creation),
49            StructureTag::AttestNv => Ok(AttestationType::Nv),
50            StructureTag::AttestNvDigest => Ok(AttestationType::NvDigest),
51            _ => Err(Error::local_error(WrapperErrorKind::InvalidParam)),
52        }
53    }
54}
55
56impl From<AttestationType> for TPMI_ST_ATTEST {
57    fn from(attestation_type: AttestationType) -> Self {
58        StructureTag::from(attestation_type).into()
59    }
60}
61
62impl TryFrom<TPMI_ST_ATTEST> for AttestationType {
63    type Error = Error;
64
65    fn try_from(tpmi_st_attest: TPMI_ST_ATTEST) -> Result<Self> {
66        AttestationType::try_from(StructureTag::try_from(tpmi_st_attest)?)
67    }
68}
tss_esapi/interface_types/structure_tags.rs

tss_esapi/interface_types/
structure_tags.rs
