static SecKeyRef ccec2SecKey(ccec_full_ctx_t fk)
{
size_t export_size = ccec_x963_export_size(1, fk);
uint8_t export_keybytes[export_size];
ccec_x963_export(1, export_keybytes, fk);
CFDataRef exportedkey = CFDataCreateWithBytesNoCopy(kCFAllocatorDefault, export_keybytes, export_size, kCFAllocatorNull);
CFDictionaryRef keyattributes = CFDictionaryCreateForCFTypes(kCFAllocatorDefault,
kSecValueData, exportedkey,
kSecAttrKeyType, kSecAttrKeyTypeEC,
kSecAttrKeyClass, kSecAttrKeyClassPrivate,
NULL);
SecKeyRef retval = SecKeyCreateFromAttributeDictionary(keyattributes);
CFRelease(keyattributes);
CFRelease(exportedkey);
bzero(export_keybytes, 0);
return retval;
}
CFReleaseNull(cert);
CFReleaseNull(key);
} else {
refDictionary = NULL;
}
return refDictionary;
}
static CFTypeRef
SecItemCreateFromAttributeDictionary(CFDictionaryRef refAttributes) {
CFTypeRef ref = NULL;
CFStringRef class = CFDictionaryGetValue(refAttributes, kSecClass);
if (CFEqual(class, kSecClassCertificate)) {
ref = SecCertificateCreateFromAttributeDictionary(refAttributes);
} else if (CFEqual(class, kSecClassKey)) {
ref = SecKeyCreateFromAttributeDictionary(refAttributes);
} else if (CFEqual(class, kSecClassIdentity)) {
CFAllocatorRef allocator = NULL;
CFDataRef data = CFDictionaryGetValue(refAttributes, CFSTR(CERTIFICATE_DATA_COLUMN_LABEL));
SecCertificateRef cert = SecCertificateCreateWithData(allocator, data);
SecKeyRef key = SecKeyCreateFromAttributeDictionary(refAttributes);
if (key && cert)
ref = SecIdentityCreate(allocator, cert, key);
CFReleaseSafe(cert);
CFReleaseSafe(key);
#if 0
/* We don't support SecKeychainItemRefs yet. */
} else if (CFEqual(class, kSecClassGenericPassword)) {
} else if (CFEqual(class, kSecClassInternetPassword)) {
} else if (CFEqual(class, kSecClassAppleSharePassword)) {
#endif
