# CertificatePKCS1 The payload that configures a PKCS #1-formatted certificate. ``` object CertificatePKCS1 ``` ## Discussion Specify `com.apple.security.pkcs1` as the payload type. ### Profile availability ||| |--------------------------|------------------------------------------------| |Device channel |iOS, macOS, Shared iPad, tvOS, visionOS, watchOS| |User channel |macOS | |Allow manual install |iOS, macOS, tvOS, visionOS, watchOS | |Requires supervision |N/A | |Requires user-approved MDM|N/A | |Allowed in user enrollment|iOS, macOS, visionOS | |Allow multiple payloads |iOS, macOS, Shared iPad, tvOS, visionOS, watchOS| ### Example profile ```plist PayloadContent PayloadCertificateFileName example-certificate.cer PayloadContent MIIDXTCCAkWgAwIBAgIJAKoK/heBjcOuMA0GCSqGSIb3DQEBCwUAMEUxCzAJBgNV BAYTAkNBMRMwEQYDVQQIDApTb21lLVN0YXRlMSEwHwYDVQQKDBhJbnRlcm5ldCBX aWRnaXRzIFB0eSBMdGQwHhcNMjQwMTA1MjMwMDAwWhcNMjUwMTA1MjMwMDAwWjBF MQswCQYDVQQGEwJDQTETMBEGA1UECAwKU29tZS1TdGF0ZTEhMB8GA1UECgwYSW50 ZXJuZXQgV2lkZ2l0cyBQdHkgTHRkMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB CgKCAQEA3VoPN9PKUjKFLMwOge6+G/T8+J8vJKHjadgNkK5HKaVFxnC1JJ8FLZ2K 7qtgzbhI8WnqK3r5PjM+ZA5k8sW8e7VhqYi2gDhNJqFRe4XKqL9U7LnG5i9jHHk1 2nNSJd8HLZ8sW8e7VhqYi2gDhNJqFRe4XKqL9U7LnG5i9jHHk12nNSJd8HLZ8s7K qtgzbhI8WnqK3r5PjM+ZA5k8sW8e7VhqYi2gDhNJqFRe4XKqL9U7LnG5i9jHHk12 nNSJd8HLZZ2K7qtgzbhI8WnqK3r5PjM+ZA5k8sW8e7VhqYi2gDhNJqFRe4XKqL9U 7LnG5i9jHHk12nNSJd8HLZ8sW8e7VhqYi2gDhNJqFRQIDAQABo1AwTjAdBgNVHQ4E FgQUhKM6j7nHOBxp0eDe/N9vI4C/JM8wHwYDVR0jBBgwFoAUhKM6j7nHOBxp0eDe /N9vI4C/JM8wDAYDVR0TBAUwAwEB/zANBgkqhkiG9w0BAQsFAAOCAQEA2Z8B+vMT eW+/IEE8sJ8rI4w/b6VhW+j2R1L7R4m8tVz7qRxW2g3J8VzR8l1fYQ7p7R2kZ8u7 5nR4gF8sJ8rI4w/b6VhW+j2R1L7R4m8tVz7qRxW2g3J8VzR8l1fYQ7p7R2kZ8u75 nR4gF8sJ8rI4w/b6VhW+j2R1L7R4m8tVz7qRxW2g3J8VzR8l1fYQ7p7R2kZ8u75n R4gF8sJ8rI4w/b6VhW+j2R1L7R4m8tVz7qRxW2g3J8VzR8l1fYQ7p7R2kZ8u75nR 4gF8sJ8rI4w== PayloadDisplayName CertificatePKCS1 PayloadIdentifier com.example.mycertpkcs1payload PayloadType com.apple.security.pkcs1 PayloadUUID 72d2c549-2a97-4032-b818-d8ebf7cb88f2 PayloadVersion 1 PayloadDisplayName CertificatePKCS1 PayloadIdentifier com.example.profile PayloadType Configuration PayloadUUID d7d678c5-87ea-457d-82b9-25db21cd7868 PayloadVersion 1 ``` --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)