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/*
* 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) 2010, Oracle and/or its affiliates. All rights reserved.
*/
/*
* \file KMSAgentAESKeyWrap.h
*/
#ifndef KMSAgentAESKeyWrap_H
#define KMSAgentAESKeyWrap_H
#ifdef WIN32
#include <string.h>
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
typedef unsigned long long uint64_t;
#endif
#ifdef __cplusplus
extern "C" {
#endif
/**
* AES Key Wrap (see RFC 3394). No logging is performed since this
* functions must execute in a Known Answer Test prior to
* #KMSAgent_InitializeLibrary.
* @param kek The AES symmetric key-encryption key
* @param kek_len The size, in bytes, of the KEK
* @param pt The plain text key to be AES key wrapped
* @param len The "n" parameter from RFC3394, i.e. the number of 64-bit key data
* blocks. For example, with 256 bit plain text keys n=4.
* @param ct The resulting AES wrapped key. The size of ct needs to allow
* for the 64-bit integrity check value, i.e. sizeof(pt+8)
*/
void aes_key_wrap (const uint8_t *kek,
size_t kek_len,
const uint8_t *pt,
size_t len,
uint8_t *ct);
/**
* AES Key Unwrap (see RFC 3394). No logging is performed since this
* functions must execute in a Known Answer Test prior to
* #KMSAgent_InitializeLibrary.
* @param kek The AES symmetric key-encryption key
* @param kek_len The size, in bytes, of the KEK
* @param ct The AES wrapped key.
* @param pt The resulting, unwrapped, plain text key.
* @param len The "n" parameter from RFC3394, i.e. the number of 64-bit key data
* blocks. For example, with 256 bit plain text keys n=4.
* @return 0 on success, non-zero otherwise
*/
int aes_key_unwrap (const uint8_t *kek,
size_t kek_len,
const uint8_t *ct,
uint8_t *pt,
size_t len);
#ifdef __cplusplus
}
#endif
#endif /* KMSAgentAESKeyWrap_H */
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