OSX/sec/Security/SecCertificateInternal.h

   1 /*
   2  * Copyright (c) 2007-2015 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 /*
  25    SecCertificateInternal
  26 */
  27
  28 #ifndef _SECURITY_SECCERTIFICATEINTERNAL_H_
  29 #define _SECURITY_SECCERTIFICATEINTERNAL_H_
  30
  31 #include <Security/SecCertificatePriv.h>
  32 #include <Security/certextensions.h>
  33 #include <libDER/DER_Keys.h>
  34
  35 __BEGIN_DECLS
  36
  37 CFDataRef SecCertificateGetAuthorityKeyID(SecCertificateRef certificate);
  38 CFDataRef SecCertificateGetSubjectKeyID(SecCertificateRef certificate);
  39
  40 /* Return an array of CFURLRefs each of which is an crl distribution point for
  41    this certificate. */
  42 CFArrayRef SecCertificateGetCRLDistributionPoints(SecCertificateRef certificate);
  43
  44 /* Return an array of CFURLRefs each of which is an ocspResponder for this
  45    certificate. */
  46 CFArrayRef SecCertificateGetOCSPResponders(SecCertificateRef certificate);
  47
  48 /* Return an array of CFURLRefs each of which is an caIssuer for this
  49    certificate. */
  50 CFArrayRef SecCertificateGetCAIssuers(SecCertificateRef certificate);
  51
  52 /* Dump certificate for debugging. */
  53 void SecCertificateShow(SecCertificateRef certificate);
  54
  55 /* Return the normalized name or NULL if it fails to parse */
  56 CFDataRef SecDistinguishedNameCopyNormalizedContent(CFDataRef distinguished_name);
  57
  58 /* Return true iff the certificate has a subject. */
  59 bool SecCertificateHasSubject(SecCertificateRef certificate);
  60 /* Return true iff the certificate has a critical subject alt name. */
  61 bool SecCertificateHasCriticalSubjectAltName(SecCertificateRef certificate);
  62
  63 /* Return the contents of the SubjectAltName extension. */
  64 const DERItem * SecCertificateGetSubjectAltName(SecCertificateRef certificate);
  65
  66 /* Return true if certificate contains one or more critical extensions we
  67    are unable to parse. */
  68 bool SecCertificateHasUnknownCriticalExtension(SecCertificateRef certificate);
  69
  70 /* Return an attribute dictionary used to store this item in a keychain. */
  71 CFDictionaryRef SecCertificateCopyAttributeDictionary(
  72         SecCertificateRef certificate);
  73
  74 /* Return a certificate from the attribute dictionary that was used to store
  75    this item in a keychain. */
  76 SecCertificateRef SecCertificateCreateFromAttributeDictionary(
  77         CFDictionaryRef refAttributes);
  78
  79 /* Return a SecKeyRef for the public key embedded in the cert. */
  80 #if TARGET_OS_OSX
  81 SecKeyRef SecCertificateCopyPublicKey_ios(SecCertificateRef certificate);
  82 #endif
  83
  84 /* Return the SecCEBasicConstraints extension for this certificate if it
  85    has one. */
  86 const SecCEBasicConstraints *
  87 SecCertificateGetBasicConstraints(SecCertificateRef certificate);
  88
  89 /* Returns array of CFDataRefs containing the generalNames that are
  90    Permitted Subtree Name Constraints for this certificate if it has
  91    any. */
  92 CFArrayRef SecCertificateGetPermittedSubtrees(SecCertificateRef certificate);
  93
  94
  95 /* Returns array of CFDataRefs containing the generalNames that are
  96    Excluded Subtree Name Constraints for this certificate if it has
  97    any. */
  98 CFArrayRef SecCertificateGetExcludedSubtrees(SecCertificateRef certificate);
  99
 100 /* Return the SecCEPolicyConstraints extension for this certificate if it
 101    has one. */
 102 const SecCEPolicyConstraints *
 103 SecCertificateGetPolicyConstraints(SecCertificateRef certificate);
 104
 105 /* Return a dictionary from CFDataRef to CFArrayRef of CFDataRef
 106    representing the policyMapping extension of this certificate. */
 107 const SecCEPolicyMappings *
 108 SecCertificateGetPolicyMappings(SecCertificateRef certificate);
 109
 110 /* Return the SecCECertificatePolicies extension for this certificate if it
 111    has one. */
 112 const SecCECertificatePolicies *
 113 SecCertificateGetCertificatePolicies(SecCertificateRef certificate);
 114
 115 /* Returns UINT32_MAX if InhibitAnyPolicy extension is not present or invalid,
 116    returns the value of the SkipCerts field of the InhibitAnyPolicy extension
 117    otherwise. */
 118 const SecCEInhibitAnyPolicy *
 119 SecCertificateGetInhibitAnyPolicySkipCerts(SecCertificateRef certificate);
 120
 121 /* Return the public key algorithm and parameters for certificate.  */
 122 const DERAlgorithmId *SecCertificateGetPublicKeyAlgorithm(
 123         SecCertificateRef certificate);
 124
 125 /* Return the raw public key data for certificate.  */
 126 const DERItem *SecCertificateGetPublicKeyData(SecCertificateRef certificate);
 127
 128 // MARK: -
 129 // MARK: Certificate Operations
 130
 131 OSStatus SecCertificateIsSignedBy(SecCertificateRef certificate,
 132     SecKeyRef issuerKey);
 133
 134 void appendProperty(CFMutableArrayRef properties, CFStringRef propertyType,
 135     CFStringRef label, CFStringRef localizedLabel, CFTypeRef value);
 136
 137 /* Utility functions. */
 138 CFStringRef SecDERItemCopyOIDDecimalRepresentation(CFAllocatorRef allocator,
 139     const DERItem *oid);
 140 CFDataRef createNormalizedX501Name(CFAllocatorRef allocator,
 141         const DERItem *x501name);
 142
 143 /* Decode a choice of UTCTime or GeneralizedTime to a CFAbsoluteTime. Return
 144    an absoluteTime if the date was valid and properly decoded.  Return
 145    NULL_TIME otherwise. */
 146 CFAbsoluteTime SecAbsoluteTimeFromDateContent(DERTag tag, const uint8_t *bytes,
 147     size_t length);
 148
 149 bool SecCertificateHasMarkerExtension(SecCertificateRef certificate, CFTypeRef oid);
 150
 151 typedef OSStatus (*parseGeneralNameCallback)(void *context,
 152                                              SecCEGeneralNameType type, const DERItem *value);
 153 OSStatus SecCertificateParseGeneralNameContentProperty(DERTag tag,
 154                                          const DERItem *generalNameContent,
 155                                          void *context, parseGeneralNameCallback callback);
 156
 157 OSStatus SecCertificateParseGeneralNames(const DERItem *generalNames, void *context,
 158                                          parseGeneralNameCallback callback);
 159
 160 bool SecCertificateIsWeakKey(SecCertificateRef certificate);
 161 bool SecCertificateIsAtLeastMinKeySize(SecCertificateRef certificate,
 162                                        CFDictionaryRef keySizes);
 163 bool SecCertificateIsStrongKey(SecCertificateRef certificate);
 164
 165 extern const CFStringRef kSecSignatureDigestAlgorithmUnknown;
 166 extern const CFStringRef kSecSignatureDigestAlgorithmMD2;
 167 extern const CFStringRef kSecSignatureDigestAlgorithmMD4;
 168 extern const CFStringRef kSecSignatureDigestAlgorithmMD5;
 169 extern const CFStringRef kSecSignatureDigestAlgorithmSHA1;
 170 extern const CFStringRef kSecSignatureDigestAlgorithmSHA224;
 171 extern const CFStringRef kSecSignatureDigestAlgorithmSHA256;
 172 extern const CFStringRef kSecSignatureDigestAlgorithmSHA384;
 173 extern const CFStringRef kSecSignatureDigestAlgorithmSHA512;
 174
 175 bool SecCertificateIsWeakHash(SecCertificateRef certificate);
 176
 177 CFDataRef SecCertificateCreateOidDataFromString(CFAllocatorRef allocator, CFStringRef string);
 178 bool SecCertificateIsOidString(CFStringRef oid);
 179
 180 DERItem *SecCertificateGetExtensionValue(SecCertificateRef certificate, CFTypeRef oid);
 181
 182 __END_DECLS
 183
 184 #endif /* !_SECURITY_SECCERTIFICATEINTERNAL_H_ */