source: svn/newcon3bcm2_21bu/magnum/syslib/hdmlib/bhdmlib_hdcpkeys.c

/***************************************************************************
 *     Copyright (c) 2002, Broadcom Corporation
 *     All Rights Reserved
 *     Confidential Property of Broadcom Corporation
 *
 *  THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE
 *  AGREEMENT  BETWEEN THE USER AND BROADCOM.  YOU HAVE NO RIGHT TO USE OR
 *  EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT.
 *
 * $brcm_Workfile: bhdmlib_hdcpkeys.c $
 * $brcm_Revision: Hydra_Software_Devel/5 $
 * $brcm_Date: 9/9/04 5:08p $
 *
 * Module Description:
 *
 * Revision History:
 *
 * $brcm_Log: /magnum/syslib/hdmlib/bhdmlib_hdcpkeys.c $
 * 
 * Hydra_Software_Devel/5   9/9/04 5:08p rgreen
 * PR 12116: Add HDCP Key Loading Support
 * Fix compilation for testing binary keys read from file (user mode only)
 * 
 * Hydra_Software_Devel/4   9/9/04 4:45p erickson
 * PR12116: removed #include stdio
 *
 * Hydra_Software_Devel/3   9/1/04 11:49a rgreen
 * PR 12116: Add HDCP Key Loading Support
 * Add test to load keys from binary file
 *
 * Hydra_Software_Devel/2   8/18/04 4:38p rgreen
 * PR 12116: Add HDCP Key Loading Support
 * Use new BHDM_EncryptedHdcpStructure for HDCP Key loading
 *
 * Hydra_Software_Devel/1   4/5/04 5:41p rgreen
 * PR 8896: HDMI Development/Test
 * Add HDCP Support
 *
 ***************************************************************************/
 
/* #define READ_FROM_BINARY_FILE_TEST */
/* BINARY_FILE_TEST  CAN NOT be done in kernel mode! */

#ifdef READ_FROM_BINARY_FILE_TEST
#include <stdio.h>
#endif
 
#include "bhdmlib_hdcp_keyloader.h"

BDBG_MODULE(BHDMLIB_HDCPKEYS) ;

uint8_t HdcpTxAksv[BHDM_HDCP_KSV_LENGTH] =
   {0x14, 0xF7, 0x61, 0x03, 0xB7} ;
   
BHDM_EncryptedHdcpKeyStruct EncryptedHdcpTxKeys[BHDM_HDCP_NUM_KEYS] = 
{   
                                  /* LSB.. MSB */
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x691e138f, 0x58a44d00},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x0950e658, 0x35821f00},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x0d98b9ab, 0x476a8a00},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0xcac5cb52, 0x1b18f300},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0xb4d89668, 0x7f14fb00},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x818f4878, 0xc98be000},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x412c11c8, 0x64d0a000},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x44202428, 0x5a9db300},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x6b56adbd, 0xb228b900},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0xf6e46c4a, 0x7ba49100},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x589d5e20, 0xf8005600},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0xa03fee06, 0xb77f8c00},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x28bc7c9d, 0x8c2dc000},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x059f4be5, 0x61125600},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0xcbc1ca8c, 0xdef07400},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x6adbfc0e, 0xf6b83b00},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0xd72fb216, 0xbb2ba000},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x98547846, 0x8e2f4800},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x38472762, 0x25ae6600},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0xf2dd23a3, 0x52493d00},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x543a7b76, 0x31d2e200},  
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x2561e6ed, 0x1a584d00},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0xf7227bbf, 0x82603200},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x6bce3035, 0x461bf600},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x6b97d7f0, 0x09043600},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0xf9498d61, 0x05e1a100}, 
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x063405d1, 0x9d8ec900}, 
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x90614294, 0x67c32000},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0xc34facce, 0x51449600},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x8a8ce104, 0x45903e00},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0xfc2d9c57, 0x10002900},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x80b1e569, 0x3b94d700},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x437bdd5b, 0xeac75400},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0xba90c787, 0x58fb7400}, 
        { 0, 0, 0, 0, 0, 0, 0, 0, 0xe01d4e36, 0xfa5c9300},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0xae119a15, 0x5e070300},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x01fb788a, 0x40d30500},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0xb34da0d7, 0xa5590000},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x409e2c4a, 0x633b3700},
        { 0, 0, 0, 0, 0, 0, 0, 0, 0x412056b4, 0xbb732500}
} ;
   
   
BERR_Code BHDMlib_HDCP_GetKeySet(uint8_t *pTxAksv, uint8_t *pHdcpKeys) 
{
        
#ifdef READ_FROM_BINARY_FILE_TEST
        FILE *fp ;      
        uint8_t pad[3] ;
        
        fp = fopen("keys.bin", "rb");
        if (!fp) 
        {
                BDBG_MSG(("Error opening binary key file")) ;
                return BERR_INVALID_PARAMETER ;
        }
        
        BDBG_WRN(("Test Reading from Binary File")) ;
        fread(pTxAksv, sizeof(uint8_t), BHDM_HDCP_KSV_LENGTH, fp) ;
        
        /* remember Bksv is padded with three 0x00 to round out to 8 bytes */
        /* skip over these bytes */
        fread(pad, sizeof(uint8_t), 3, fp) ;
        
        fread(pHdcpKeys, sizeof(BHDM_EncryptedHdcpKeyStruct), BHDM_HDCP_NUM_KEYS, fp) ;
        
        /* Verify bytes read into TxAksv and pHdcpKeys using SHA-1 algorithm */
        
#else   
        BKNI_Memcpy(pTxAksv, HdcpTxAksv, BHDM_HDCP_KSV_LENGTH) ; 
        
        BKNI_Memcpy(pHdcpKeys, EncryptedHdcpTxKeys, 
                sizeof(BHDM_EncryptedHdcpKeyStruct) * BHDM_HDCP_NUM_KEYS) ;
#endif          

        return BERR_SUCCESS ;
}