1 /* 2 * keyDeriveAes.h 3 * 4 * Copyright(c) 1998 - 2009 Texas Instruments. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name Texas Instruments nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /** \file keyDeriveAes.h 35 * \brief AES key derivation API 36 * 37 * \see keyDeriveAes.c 38 */ 39 40 /**************************************************************************** 41 * * 42 * MODULE: AES encryption key derivation * 43 * PURPOSE: AES encryption key derivation API * 44 * * 45 ****************************************************************************/ 46 47 #ifndef _KEY_DERIVE_AES_H 48 #define _KEY_DERIVE_AES_H 49 50 #include "rsnApi.h" 51 #include "keyTypes.h" 52 53 #include "keyDerive.h" 54 55 #define DERIVE_AES_KEY_LEN 16 /* 128 bit key */ 56 57 58 typedef struct 59 { 60 TI_UINT8 macAddress[MAC_ADDR_LEN]; 61 TI_UINT8 keyRSC[KEY_RSC_LEN]; 62 TI_UINT8 encKey[DERIVE_AES_KEY_LEN]; 63 } keyMaterialAes_t; 64 65 /* AES key derivation init function. */ 66 TI_STATUS keyDeriveAes_config(struct _keyDerive_t *pKeyDerive); 67 68 TI_STATUS keyDeriveAes_derive(struct _keyDerive_t *pKeyDerive, encodedKeyMaterial_t *pEncodedKey); 69 TI_STATUS keyDeriveAes_remove(struct _keyDerive_t *pKeyDerive, encodedKeyMaterial_t *pEncodedKey); 70 71 #endif /* _KEY_DERIVE_AES_H */ 72