yubihsm 0.35.0

Pure Rust client for YubiHSM2 devices with support for HTTP and USB-based access to the device. Supports most HSM functionality including ECDSA, Ed25519, HMAC, and RSA.
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45

//! RSA PKCS#1v1.5 algorithms

use crate::algorithm;
use anomaly::fail;

/// RSA PKCS#1v1.5: legacy algorithms
#[derive(Copy, Clone, Debug, Eq, PartialEq)]
#[repr(u8)]
pub enum Algorithm {
    /// `rsa-pkcs1-sha1`
    Sha1 = 0x01,

    /// `rsa-pkcs1-sha256`
    Sha256 = 0x02,

    /// `rsa-pkcs1-sha384`
    Sha384 = 0x03,

    /// `rsa-pkcs1-sha512`
    Sha512 = 0x04,
}

impl Algorithm {
    /// Convert an unsigned byte tag into an `Algorithm` (if valid)
    pub fn from_u8(tag: u8) -> Result<Self, algorithm::Error> {
        Ok(match tag {
            0x01 => Algorithm::Sha1,
            0x02 => Algorithm::Sha256,
            0x03 => Algorithm::Sha384,
            0x04 => Algorithm::Sha512,
            _ => fail!(
                algorithm::ErrorKind::TagInvalid,
                "unknown RSASSA-PKCS#1v1.5 algorithm ID: 0x{:02x}",
                tag
            ),
        })
    }

    /// Serialize algorithm ID as a byte
    pub fn to_u8(self) -> u8 {
        self as u8
    }
}

impl_algorithm_serializers!(Algorithm);