SFECPublicKey+SPKI.m [plain text]
/*
* Copyright (c) 2017 Apple Inc. All Rights Reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
#if OCTAGON
#import "SFPublicKey+SPKI.h"
#import <Security/SecKeyPriv.h>
#import <SecurityFoundation/SFKey_Private.h>
@implementation SFECPublicKey (OTSubjectPublicKeyInfo)
- (NSData *)asSPKI
{
NSDictionary *keyAttributes = @{
(__bridge id)kSecAttrKeyClass : (__bridge id)kSecAttrKeyClassPublic,
(__bridge id)kSecAttrKeyType : (__bridge id)kSecAttrKeyTypeEC,
};
SecKeyRef seckey = SecKeyCreateWithData((__bridge CFDataRef)self.keyData, (__bridge CFDictionaryRef)keyAttributes, NULL);
NSData *spki = CFBridgingRelease(SecKeyCopySubjectPublicKeyInfo(seckey));
CFRelease(seckey);
return spki;
}
+ (instancetype)fromSPKI:(NSData *)spki
{
SecKeyRef seckey = SecKeyCreateFromSubjectPublicKeyInfoData(NULL, (__bridge CFDataRef)spki);
return [[SFECPublicKey alloc] initWithSecKey:seckey];
}
@end
#endif