X-Git-Url: https://git.saurik.com/apple/security.git/blobdiff_plain/80e2389990082500d76eb566d4946be3e786c3ef..d8f41ccd20de16f8ebe2ccc84d47bf1cb2b26bbb:/Security/libsecurity_ssl/lib/tls_hmac.h

diff --git a/Security/libsecurity_ssl/lib/tls_hmac.h b/Security/libsecurity_ssl/lib/tls_hmac.h
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+/*
+ * Copyright (c) 2002,2005-2007,2010-2012,2014 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@
+ */
+
+/*
+ * tls_hmac.h - Declarations of HMAC routines used by TLS
+ */
+
+#ifndef	_TLS_HMAC_H_
+#define _TLS_HMAC_H_
+
+#ifdef	__cplusplus
+extern "C" {
+#endif
+
+#include <sys/types.h>
+#include "cipherSpecs.h"
+
+/* forward declaration of HMAC object */
+struct 						HMACReference;
+
+/* Opaque reference to an HMAC session context */
+struct                      HMACContext;
+typedef struct HMACContext  *HMACContextRef;
+
+
+/* For convenience..the max size of HMAC, in bytes, this module will ever return */
+#define TLS_HMAC_MAX_SIZE		48
+
+/* Create an HMAC session */
+typedef int (*HMAC_AllocFcn) (
+	const struct HMACReference	*hmac,
+	const void					*keyPtr,
+	size_t                      keyLen,
+	HMACContextRef				*hmacCtx);			// RETURNED
+
+/* Free a session */
+typedef int (*HMAC_FreeFcn) (
+	HMACContextRef	hmacCtx);	
+	
+/* Reusable init, using same key */
+typedef int (*HMAC_InitFcn) (
+	HMACContextRef	hmacCtx);
+
+/* normal crypt ops */
+typedef int (*HMAC_UpdateFcn) (
+	HMACContextRef	hmacCtx,
+	const void		*data,
+	size_t          dataLen);
+	
+typedef int (*HMAC_FinalFcn) (
+	HMACContextRef	hmacCtx,
+	void			*hmac,			// mallocd by caller
+	size_t          *hmacLen);		// IN/OUT
+
+/* one-shot */
+typedef int (*HMAC_HmacFcn) (
+	HMACContextRef	hmacCtx,
+	const void		*data,
+	size_t          dataLen,
+	void			*hmac,			// mallocd by caller
+	size_t          *hmacLen);		// IN/OUT
+	
+
+typedef struct HMACParams {
+} HMACParams;
+
+typedef struct HMACReference {
+    size_t          macSize;
+    HMAC_Algs		alg;
+	HMAC_AllocFcn	alloc;
+	HMAC_FreeFcn	free;
+	HMAC_InitFcn	init;
+	HMAC_UpdateFcn	update;
+	HMAC_FinalFcn	final;
+	HMAC_HmacFcn	hmac;
+} HMACReference;
+
+extern const HMACReference TlsHmacNull;
+extern const HMACReference TlsHmacSHA1;
+extern const HMACReference TlsHmacMD5;
+extern const HMACReference TlsHmacSHA256;
+extern const HMACReference TlsHmacSHA384;
+
+
+#ifdef	__cplusplus
+}
+#endif
+#endif	/* _TLS_HMAC_H_ */