Adding support for optional Azure Key Vault certificate version selection

src/AzureSignTool/AzureKeyVaultSignConfigurationSet.cs

@@ -10,6 +10,7 @@ public sealed class AzureKeyVaultSignConfigurationSet
         public string AzureTenantId { get; init; }
         public Uri AzureKeyVaultUrl { get; init; }
         public string AzureKeyVaultCertificateName { get; init; }
+        public string AzureKeyVaultCertificateVersion { get; init; }
         public string AzureAccessToken { get; init; }
         public string AzureAuthority { get; init; }
     }

src/AzureSignTool/KeyVaultConfigurationDiscoverer.cs

@@ -47,14 +47,22 @@ public async Task<ErrorOr<AzureKeyVaultMaterializedConfiguration>> Materialize(A
 
 
             X509Certificate2 certificate;
-            KeyVaultCertificateWithPolicy azureCertificate;
+            KeyVaultCertificate azureCertificate;
             try
             {
                 var certClient = new CertificateClient(configuration.AzureKeyVaultUrl, credential);
 
-                _logger.LogTrace($"Retrieving certificate {configuration.AzureKeyVaultCertificateName}.");
-                azureCertificate = (await certClient.GetCertificateAsync(configuration.AzureKeyVaultCertificateName).ConfigureAwait(false)).Value;
-                _logger.LogTrace($"Retrieved certificate {configuration.AzureKeyVaultCertificateName}.");
+                if (!string.IsNullOrWhiteSpace(configuration.AzureKeyVaultCertificateVersion))
+                {
+                    _logger.LogTrace($"Retrieving version [{configuration.AzureKeyVaultCertificateVersion}] of certificate {configuration.AzureKeyVaultCertificateName}.");
+                    azureCertificate = (await certClient.GetCertificateVersionAsync(configuration.AzureKeyVaultCertificateName, configuration.AzureKeyVaultCertificateVersion).ConfigureAwait(false)).Value;
+                }
+                else
+                {
+                    _logger.LogTrace($"Retrieving current version of certificate {configuration.AzureKeyVaultCertificateName}.");
+                    azureCertificate = (await certClient.GetCertificateAsync(configuration.AzureKeyVaultCertificateName).ConfigureAwait(false)).Value;
+                }
+                _logger.LogTrace($"Retrieved certificate with Id {azureCertificate.Id}.");
 
                 certificate = new X509Certificate2(azureCertificate.Cer);
             }

src/AzureSignTool/Program.cs

@@ -65,6 +65,7 @@ internal sealed class SignCommand : Command
         internal string? KeyVaultClientSecret { get; set; }
         internal string? KeyVaultTenantId { get; set; }
         internal string? KeyVaultCertificate { get; set; }
+        internal string? KeyVaultCertificateVersion { get; set; }
         internal string? KeyVaultAccessToken { get; set; }
         internal bool UseManagedIdentity { get; set; }
         internal string? SignDescription { get; set; }
@@ -150,16 +151,17 @@ public SignCommand() : base("sign", "Sign a file.", null)
             this.Add("kvs|azure-key-vault-client-secret=", "The Client Secret to authenticate to the Azure Key Vault.", v => KeyVaultClientSecret = v);
             this.Add("kvt|azure-key-vault-tenant-id=", "The Tenant Id to authenticate to the Azure Key Vault.", v => KeyVaultTenantId = v);
             this.Add("kvc|azure-key-vault-certificate=", "The name of the certificate in Azure Key Vault.", v => KeyVaultCertificate = v);
+            this.Add("kvcv|azure-key-vault-certificate-version=", "The version of the certificate in Azure Key Vault to use. The current version of the certificate is used by default.", v => KeyVaultCertificateVersion = v);
             this.Add("kva|azure-key-vault-accesstoken=", "The Access Token to authenticate to the Azure Key Vault.", v => KeyVaultAccessToken = v);
-            this.Add("kvm|azure-key-vault-managed-identity", "Use the current Azure mananaged identity.", v => UseManagedIdentity = v is not null);
+            this.Add("kvm|azure-key-vault-managed-identity", "Use the current Azure managed identity.", v => UseManagedIdentity = v is not null);
             this.Add("d|description=", "Provide a description of the signed content.", v => SignDescription = v);
             this.Add("du|description-url=", "Provide a URL with more information about the signed content.", v => SignDescriptionUrl = v);
             this.Add("tr|timestamp-rfc3161=", "Specifies the RFC 3161 timestamp server's URL. If this option (or -t) is not specified, the signed file will not be timestamped.", v => Rfc3161TimestampUrl = v);
             this.Add("td|timestamp-digest=", "Used with the -tr switch to request a digest algorithm used by the RFC 3161 timestamp server.", v => TimestampDigestAlgorithm = v);
             this.Add("fd|file-digest=", "The digest algorithm to hash the file with.", v => FileDigestAlgorithm = v);
             this.Add("t|timestamp-authenticode=", "Specify the legacy timestamp server's URL. This option is generally not recommended. Use the --timestamp-rfc3161 option instead.", v => AuthenticodeTimestampUrl = v);
             this.Add("ac|additional-certificates=", "Specify one or more certificates to include in the public certificate chain.", AdditionalCertificates);
-            this.Add("v|verbose", "Specify one or more certificates to include in the public certificate chain.", v => Verbose = v is not null);
+            this.Add("v|verbose", "Include additional output in the log. This parameter does not accept a value and cannot be combine with the --quiet option.", v => Verbose = v is not null);
             this.Add("q|quiet", "Do not print any output to the console.", v => Quiet = v is not null);
             this.Add("ph|page-hashing", "Generate page hashes for executable files if supported.", v => PageHashing = v is not null);
             this.Add("nph|no-page-hashing", "Suppress page hashes for executable files if supported.", v => NoPageHashing = v is not null);
@@ -212,6 +214,7 @@ private async ValueTask<int> RunSign()
                 {
                     AzureKeyVaultUrl = new Uri(KeyVaultUrl!),
                     AzureKeyVaultCertificateName = KeyVaultCertificate,
+                    AzureKeyVaultCertificateVersion = KeyVaultCertificateVersion,
                     AzureClientId = KeyVaultClientId,
                     AzureTenantId = KeyVaultTenantId,
                     AzureAccessToken = KeyVaultAccessToken,