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gcm_impl.h
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modes.h
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Editing: gcm_impl.h
/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. */ #ifndef _GCM_IMPL_H #define _GCM_IMPL_H /* * GCM function dispatcher. */ #ifdef __cplusplus extern "C" { #endif #include <sys/zfs_context.h> #include <sys/crypto/common.h> /* * Methods used to define GCM implementation * * @gcm_mul_f Perform carry-less multiplication * @gcm_will_work_f Function tests whether implementation will function */ typedef void (*gcm_mul_f)(uint64_t *, uint64_t *, uint64_t *); typedef boolean_t (*gcm_will_work_f)(void); #define GCM_IMPL_NAME_MAX (16) typedef struct gcm_impl_ops { gcm_mul_f mul; gcm_will_work_f is_supported; char name[GCM_IMPL_NAME_MAX]; } gcm_impl_ops_t; extern const gcm_impl_ops_t gcm_generic_impl; #if defined(__x86_64) && defined(HAVE_PCLMULQDQ) extern const gcm_impl_ops_t gcm_pclmulqdq_impl; #endif /* * Initializes fastest implementation */ void gcm_impl_init(void); /* * Returns optimal allowed GCM implementation */ const struct gcm_impl_ops *gcm_impl_get_ops(void); #ifdef __cplusplus } #endif #endif /* _GCM_IMPL_H */
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