| 1 | /*************************************************************************** |
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| 2 | * Copyright (c) 2002-2012, Broadcom Corporation |
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| 3 | * All Rights Reserved |
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| 4 | * Confidential Property of Broadcom Corporation |
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| 5 | * |
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| 6 | * THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE |
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| 7 | * AGREEMENT BETWEEN THE USER AND BROADCOM. YOU HAVE NO RIGHT TO USE OR |
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| 8 | * EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT. |
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| 9 | * |
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| 10 | * $brcm_Workfile: bhdcplib_keyloader.c $ |
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| 11 | * $brcm_Revision: Hydra_Software_Devel/6 $ |
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| 12 | * $brcm_Date: 1/14/12 10:04p $ |
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| 13 | * |
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| 14 | * Module Description: |
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| 15 | * |
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| 16 | * Revision History: |
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| 17 | * |
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| 18 | * $brcm_Log: /magnum/syslib/hdcplib/7422/bhdcplib_keyloader.c $ |
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| 19 | * |
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| 20 | * Hydra_Software_Devel/6 1/14/12 10:04p rgreen |
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| 21 | * SWSECURITY-71: Move keyloading setup to HSM; Use |
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| 22 | * BHSM_FastLoadEncryptedHdcpKey to load keys |
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| 23 | * |
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| 24 | * Mot_MTN1.xx_7425Bx_Int/ericz_Mot_MTN1.xx_7425Bx_3/1 12/14/11 12:35p ericz |
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| 25 | * CsP465507: Build errors with "export NEXUS_HDCP_SUPPORT=y" set for |
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| 26 | * DCX3600_7425 target |
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| 27 | * |
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| 28 | * Hydra_Software_Devel/5 10/23/11 12:30p rgreen |
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| 29 | * SW7425-1583: Add BERR_TRACE when HSM reports a HDCP key load error |
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| 30 | * |
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| 31 | * Hydra_Software_Devel/4 10/17/11 5:38p vle |
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| 32 | * SW7425-1351: update hdcplib keyloader for 40nm B0 parts |
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| 33 | * |
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| 34 | * Hydra_Software_Devel/3 1/31/11 7:33p vle |
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| 35 | * SW7422-129: Fix build warnings. |
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| 36 | * |
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| 37 | * Hydra_Software_Devel/2 1/7/11 5:26p vle |
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| 38 | * SW7422-129: Add HDCP keyloader support for 7422 and other 40nm |
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| 39 | * platforms. |
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| 40 | * |
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| 41 | * Hydra_Software_Devel/1 12/15/10 6:18p rgreen |
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| 42 | * SW7422-129: Initial checkin |
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| 43 | * |
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| 44 | ***************************************************************************/ |
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| 45 | |
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| 46 | #include "bstd.h" |
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| 47 | #include "bkni.h" |
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| 48 | #include "bhdcplib_keyloader.h" |
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| 49 | |
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| 50 | #include "bhsm.h" |
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| 51 | #include "bhsm_keyladder.h" |
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| 52 | |
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| 53 | |
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| 54 | #define BHDCPLib_KEY_OFFSET 0x80 |
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| 55 | |
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| 56 | BDBG_MODULE(BHDCPLIB_KEYLOADER) ; |
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| 57 | |
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| 58 | |
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| 59 | |
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| 60 | BERR_Code BHDCPlib_FastLoadEncryptedHdcpKeys( |
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| 61 | BHDCPlib_Handle hHDCPlib) |
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| 62 | { |
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| 63 | BERR_Code errCode = BERR_SUCCESS; |
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| 64 | uint8_t i; |
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| 65 | BHSM_EncryptedHdcpKeyStruct * EncryptedHdcpKeys ; |
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| 66 | |
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| 67 | BDBG_ASSERT(hHDCPlib) ; |
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| 68 | |
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| 69 | BDBG_WRN(("$brcm_Revision: Hydra_Software_Devel/6 $")) ; |
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| 70 | |
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| 71 | /* Get HDCP Encrypted Keys */ |
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| 72 | EncryptedHdcpKeys = (BHSM_EncryptedHdcpKeyStruct *) |
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| 73 | &hHDCPlib->stHdcpConfiguration.TxKeySet.TxKeyStructure ; |
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| 74 | |
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| 75 | for (i =0; i< BAVC_HDMI_HDCP_N_PRIVATE_KEYS; i++) |
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| 76 | { |
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| 77 | /* skip keys that are not specified to be used by the RxBksv */ |
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| 78 | if (!(hHDCPlib->stHdcpConfiguration.RxInfo.RxBksv[i / 8] & (1 << (i % 8)))) |
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| 79 | continue ; |
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| 80 | |
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| 81 | errCode = BHSM_FastLoadEncryptedHdcpKey( |
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| 82 | hHDCPlib->stDependencies.hHsm, i + BHDCPLib_KEY_OFFSET, &(EncryptedHdcpKeys[i]) ) ; |
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| 83 | |
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| 84 | if (errCode != BERR_SUCCESS) |
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| 85 | { |
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| 86 | BDBG_ERR(("BHSM_FastLoadEncryptedHdcpKey errCode: %x", errCode )) ; |
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| 87 | BERR_TRACE(errCode) ; |
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| 88 | break ; |
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| 89 | } |
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| 90 | } |
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| 91 | |
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| 92 | return( errCode ); |
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| 93 | } |
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| 94 | |
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