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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_CERT_X509_UTIL_APPLE_H_
#define NET_CERT_X509_UTIL_APPLE_H_
#include <CoreFoundation/CFArray.h>
#include <Security/Security.h>
#include "base/apple/scoped_cftyperef.h"
#include "base/containers/span.h"
#include "base/memory/scoped_refptr.h"
#include "net/base/hash_value.h"
#include "net/base/net_export.h"
#include "net/cert/x509_certificate.h"
namespace net {
namespace x509_util {
// Creates a SecCertificate handle from the DER-encoded representation.
// Returns NULL on failure.
NET_EXPORT base::apple::ScopedCFTypeRef<SecCertificateRef>
CreateSecCertificateFromBytes(base::span<const uint8_t> data);
// Returns a SecCertificate representing |cert|, or NULL on failure.
NET_EXPORT base::apple::ScopedCFTypeRef<SecCertificateRef>
CreateSecCertificateFromX509Certificate(const X509Certificate* cert);
// Returns a new CFMutableArrayRef containing this certificate and its
// intermediate certificates in the form expected by Security.framework
// and Keychain Services, or NULL on failure.
// The first item in the array will be this certificate, followed by its
// intermediates, if any.
NET_EXPORT base::apple::ScopedCFTypeRef<CFMutableArrayRef>
CreateSecCertificateArrayForX509Certificate(X509Certificate* cert);
// Specify behavior if an intermediate certificate fails SecCertificate
// parsing. kFail means the function should return a failure result
// immediately. kIgnore means the invalid intermediate is not added to the
// output container.
enum class InvalidIntermediateBehavior { kFail, kIgnore };
// Returns a new CFMutableArrayRef containing this certificate and its
// intermediate certificates in the form expected by Security.framework
// and Keychain Services. Returns NULL if the certificate could not be
// converted. |invalid_intermediate_behavior| specifies behavior if
// intermediates of |cert| could not be converted.
NET_EXPORT base::apple::ScopedCFTypeRef<CFMutableArrayRef>
CreateSecCertificateArrayForX509Certificate(
X509Certificate* cert,
InvalidIntermediateBehavior invalid_intermediate_behavior);
// Creates an X509Certificate representing |sec_cert| with intermediates
// |sec_chain|.
NET_EXPORT scoped_refptr<X509Certificate>
CreateX509CertificateFromSecCertificate(
base::apple::ScopedCFTypeRef<SecCertificateRef> sec_cert,
const std::vector<base::apple::ScopedCFTypeRef<SecCertificateRef>>&
sec_chain);
// Creates an X509Certificate with non-standard parsing options.
// Do not use without consulting //net owners.
NET_EXPORT scoped_refptr<X509Certificate>
CreateX509CertificateFromSecCertificate(
base::apple::ScopedCFTypeRef<SecCertificateRef> sec_cert,
const std::vector<base::apple::ScopedCFTypeRef<SecCertificateRef>>&
sec_chain,
X509Certificate::UnsafeCreateOptions options);
// Calculates the SHA-256 fingerprint of the certificate. Returns an empty
// (all zero) fingerprint on failure.
NET_EXPORT SHA256HashValue CalculateFingerprint256(SecCertificateRef cert);
} // namespace x509_util
} // namespace net
#endif // NET_CERT_X509_UTIL_APPLE_H_
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