# Signing Certificate Module
IAM signing certificate resource management for WAMI. This module provides strongly
typed representations, builders, and request types for managing IAM signing
certificates used for API request signing.
## Overview
Signing certificates are X.509 certificates used to sign API requests instead of
using access keys. This module provides:
- **Model Types** – `SigningCertificate` and `CertificateStatus` for representing
signing certificate resources
- **Builder Functions** – Context-aware builders that generate consistent WAMI ARNs
- **Request Types** – DTOs for service API operations
## Models
### `SigningCertificate`
Represents a signing certificate associated with an IAM user:
- `user_name` – The IAM user associated with the certificate
- `certificate_id` – Unique identifier for the certificate
- `certificate_body` – PEM-encoded certificate contents
- `status` – Status of the certificate (`Active` or `Inactive`)
- `upload_date` – Timestamp when the certificate was uploaded
- `wami_arn` – WAMI ARN for cross-provider identification
- `providers` – List of cloud provider configurations
### `CertificateStatus`
Enum representing the status of a signing certificate:
- `Active` – Certificate is active and can be used
- `Inactive` – Certificate is inactive and cannot be used
## Builder Functions
### `build_signing_certificate`
Creates a new `SigningCertificate` with context-based identifiers:
```rust
use wami_core::context::WamiContext;
use wami_credentials::build_signing_certificate;
let context = WamiContext::builder()
.instance_id("123456789012")
.tenant_path(wami_core::arn::TenantPath::single(0))
.caller_arn(/* ... */)
.build()
.unwrap();
let certificate = build_signing_certificate(
"alice".into(),
"-----BEGIN CERTIFICATE-----\n...\n-----END CERTIFICATE-----".to_string(),
&context,
)?;
```
## Request Types
The module provides request and response types for signing certificate operations:
- `UploadSigningCertificateRequest` – Request to upload a signing certificate
- `UploadSigningCertificateResponse` – Response containing the uploaded certificate
- `ListSigningCertificatesRequest` – Request to list signing certificates for a user
- `ListSigningCertificatesResponse` – Response containing a list of signing certificates
- `UpdateSigningCertificateRequest` – Request to update certificate status
- `DeleteSigningCertificateRequest` – Request to delete a signing certificate
## Usage Example
```rust
use wami_core::context::WamiContext;
use wami_credentials::{build_signing_certificate, SigningCertificate};
use wami_credentials::signing_certificate::CertificateStatus;
let context = WamiContext::builder()
.instance_id("123456789012")
.tenant_path(wami_core::arn::TenantPath::single(0))
.caller_arn(
wami_core::arn::WamiArn::builder()
.service(wami_core::arn::Service::Iam)
.tenant(0)
.wami_instance("123456789012")
.resource("user", "admin")
.build()
.unwrap(),
)
.is_root(false)
.build()
.unwrap();
// Create a new signing certificate
let certificate_body = "-----BEGIN CERTIFICATE-----\n...\n-----END CERTIFICATE-----";
let certificate = build_signing_certificate(
"alice".into(),
certificate_body.to_string(),
&context,
)?;
assert_eq!(certificate.user_name, "alice");
assert_eq!(certificate.status, CertificateStatus::Active);
assert!(certificate.wami_arn.to_string().contains("signing-certificate"));
```