# init(cspHand:clHand:serialNumber:numSubjectNames:subjectNames:numIssuerNames:issuerNames:issuerNameX509:certPublicKey:issuerPrivateKey:signatureAlg:signatureOid:notBefore:notAfter:numExtensions:extensions:challengeString:) ``` init(cspHand: CSSM_CSP_HANDLE, clHand: CSSM_CL_HANDLE, serialNumber: uint32, numSubjectNames: uint32, subjectNames: UnsafeMutablePointer!, numIssuerNames: uint32, issuerNames: UnsafeMutablePointer!, issuerNameX509: UnsafeMutablePointer!, certPublicKey: UnsafePointer!, issuerPrivateKey: UnsafePointer!, signatureAlg: CSSM_ALGORITHMS, signatureOid: SecAsn1Oid, notBefore: uint32, notAfter: uint32, numExtensions: uint32, extensions: UnsafeMutablePointer<__CE_DataAndType>!, challengeString: UnsafePointer!) ``` --- 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)