uefi_raw/protocol/
rng.rs

1//! `Rng` protocol.
2
3use crate::{guid, Guid, Status};
4
5newtype_enum! {
6    /// The algorithms listed are optional, not meant to be exhaustive
7    /// and may be augmented by vendors or other industry standards.
8    pub enum RngAlgorithmType: Guid => {
9        /// Indicates a empty algorithm, used to instantiate a buffer
10        /// for `get_info`
11        EMPTY_ALGORITHM = guid!("00000000-0000-0000-0000-000000000000"),
12
13        /// The “raw” algorithm, when supported, is intended to provide
14        /// entropy directly from the source, without it going through
15        /// some deterministic random bit generator.
16        ALGORITHM_RAW = guid!("e43176d7-b6e8-4827-b784-7ffdc4b68561"),
17
18        /// ALGORITHM_SP800_90_HASH_256
19        ALGORITHM_SP800_90_HASH_256 = guid!("a7af67cb-603b-4d42-ba21-70bfb6293f96"),
20
21        /// ALGORITHM_SP800_90_HMAC_256
22        ALGORITHM_SP800_90_HMAC_256 = guid!("c5149b43-ae85-4f53-9982-b94335d3a9e7"),
23
24        /// ALGORITHM_SP800_90_CTR_256
25        ALGORITHM_SP800_90_CTR_256 = guid!("44f0de6e-4d8c-4045-a8c7-4dd168856b9e"),
26
27        /// ALGORITHM_X9_31_3DES
28        ALGORITHM_X9_31_3DES = guid!("63c4785a-ca34-4012-a3c8-0b6a324f5546"),
29
30        /// ALGORITHM_X9_31_AES
31        ALGORITHM_X9_31_AES = guid!("acd03321-777e-4d3d-b1c8-20cfd88820c9"),
32    }
33}
34
35/// Rng protocol.
36#[derive(Debug)]
37#[repr(C)]
38pub struct RngProtocol {
39    pub get_info: unsafe extern "efiapi" fn(
40        this: *mut RngProtocol,
41        algorithm_list_size: *mut usize,
42        algorithm_list: *mut RngAlgorithmType,
43    ) -> Status,
44
45    pub get_rng: unsafe extern "efiapi" fn(
46        this: *mut RngProtocol,
47        algorithm: *const RngAlgorithmType,
48        value_length: usize,
49        value: *mut u8,
50    ) -> Status,
51}
52
53impl RngProtocol {
54    pub const GUID: Guid = guid!("3152bca5-eade-433d-862e-c01cdc291f44");
55}
uefi_raw/protocol/rng.rs

uefi_raw/protocol/
rng.rs
