softhsm2_pkcs11_loader 5.20.0

Utimaco HSM PKCS#11 loader
Documentation 
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//! Copyright 2024 Cosmian Tech SAS

use cosmian_kms_base_hsm::hsm_capabilities::{HsmCapabilities, HsmProvider};

/// Path to the `SoftHSM2` `PKCS#11` shared library.
/// Overridable at runtime via the `SOFTHSM2_PKCS11_LIB` environment variable.
#[cfg(target_os = "linux")]
pub const SOFTHSM2_PKCS11_LIB: &str = "/usr/lib/softhsm/libsofthsm2.so";

#[cfg(all(target_os = "macos", target_arch = "aarch64"))]
pub const SOFTHSM2_PKCS11_LIB: &str = "/opt/homebrew/lib/softhsm/libsofthsm2.so";

#[cfg(all(target_os = "macos", target_arch = "x86_64"))]
pub const SOFTHSM2_PKCS11_LIB: &str = "/usr/local/lib/softhsm/libsofthsm2.so";

#[cfg(not(any(target_os = "linux", target_os = "macos")))]
pub const SOFTHSM2_PKCS11_LIB: &str = "libsofthsm2.so";

#[cfg(test)]
// Allow test-specific lint patterns for C library integration
#[allow(unsafe_code)]
#[allow(clippy::panic_in_result_fn)]
#[allow(clippy::panic)]
#[allow(clippy::expect_used)]
#[allow(clippy::unwrap_used)]
#[allow(clippy::assertions_on_result_states)]
#[allow(clippy::as_conversions)]
#[allow(clippy::map_err_ignore)]
#[allow(clippy::redundant_clone)]
#[allow(clippy::explicit_iter_loop)]
#[cfg(feature = "softhsm2")]
mod tests;

pub struct SofthsmCapabilityProvider;

impl HsmProvider for SofthsmCapabilityProvider {
    fn capabilities() -> HsmCapabilities {
        HsmCapabilities {
            max_cbc_data_size: None,
            find_max_object_count: 32,
        }
    }
}

/// The softhsm2 is fully supported by the `BaseHsm` implementation
pub type Softhsm2 = cosmian_kms_base_hsm::BaseHsm<SofthsmCapabilityProvider>;