Security-57336.1.9.tar.gz

[apple/security.git] / OSX / sec / Security / SecECKey.h

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+/*
+ * Copyright (c) 2010,2012-2014 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@
+ */
+
+/*!
+       @header SecECKey
+       The functions provided in SecECKey.h implement and manage a rsa
+    public or private key.
+*/
+
+#ifndef _SECURITY_SECECKEY_H_
+#define _SECURITY_SECECKEY_H_
+
+#include <Security/SecKey.h>
+#include <Security/SecKeyPriv.h>
+#include <CoreFoundation/CFData.h>
+
+__BEGIN_DECLS
+
+typedef struct SecECPublicKeyParams {
+       uint8_t             *modulus;                   /* modulus */
+       CFIndex             modulusLength;
+       uint8_t             *exponent;                  /* public exponent */
+       CFIndex             exponentLength;
+} SecECPublicKeyParams;
+
+enum {
+    kSecPaddingECIES_SHA2_AES128GCM_MAC128 = 0x9000, /* EC Key Using IESGCM to encrypt */
+};
+
+/* Given an EC public key in encoded form return a SecKeyRef representing
+   that key. Supported encodings are kSecKeyEncodingPkcs1. */
+SecKeyRef SecKeyCreateECPublicKey(CFAllocatorRef allocator,
+    const uint8_t *keyData, CFIndex keyDataLength,
+    SecKeyEncoding encoding);
+
+/* Given an EC private key in encoded form return a SecKeyRef representing
+   that key.  Supported encodings are kSecKeyEncodingPkcs1. */
+SecKeyRef SecKeyCreateECPrivateKey(CFAllocatorRef allocator,
+    const uint8_t *keyData, CFIndex keyDataLength,
+    SecKeyEncoding encoding);
+
+/* These are the named curves we support. These values come from RFC 4492
+   section 5.1.1, with the exception of SSL_Curve_None which means
+   "ECDSA not negotiated". */
+typedef enum
+{
+       kSecECCurveNone = -1,
+       kSecECCurveSecp256r1 = 23,
+       kSecECCurveSecp384r1 = 24,
+       kSecECCurveSecp521r1 = 25
+} SecECNamedCurve;
+
+/* Return a named curve enum for ecPrivateKey. */
+SecECNamedCurve SecECKeyGetNamedCurve(SecKeyRef ecPrivateKey);
+CFDataRef SecECKeyCopyPublicBits(SecKeyRef key);
+
+
+__END_DECLS
+
+#endif /* !_SECURITY_SECECKEY_H_ */