---
title: "init(subjectNameX509:signatureAlg:signatureOid:cspHand:subjectPublicKey:subjectPrivateKey:challengeString:)"
framework: security
role: symbol
role_heading: Initializer
path: "security/cssm_apple_cl_csr_request/init(subjectnamex509:signaturealg:signatureoid:csphand:subjectpublickey:subjectprivatekey:challengestring:)"
---

# init(subjectNameX509:signatureAlg:signatureOid:cspHand:subjectPublicKey:subjectPrivateKey:challengeString:)

## Declaration

```swift
init(subjectNameX509: UnsafeMutablePointer<cssm_x509_name>!, signatureAlg: CSSM_ALGORITHMS, signatureOid: SecAsn1Oid, cspHand: CSSM_CSP_HANDLE, subjectPublicKey: UnsafePointer<cssm_key>!, subjectPrivateKey: UnsafePointer<cssm_key>!, challengeString: UnsafePointer<CChar>!)
```