85 lines
1.9 KiB
C
85 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2016 MediaTek Inc.
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*/
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#ifndef __KEY_BLOCK_H__
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#define __KEY_BLOCK_H__
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum DRMKeyID {
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WIDEVINE_ID = 0,
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MARLIN_ID,
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HDCP_1X_TX_ID,
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HDCP_2X_V1_TX_ID,
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HDCP_2X_V1_RX_ID,
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HDCP_2X_V2_TX_ID,
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HDCP_2X_V2_RX_ID,
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PLAYREADY_BGROUPCERT_ID,
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PLAYREADY_ZGPRIV_ID,
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PLAYREADY_KEYFILE_ID,
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DRM_KEY_MAX,
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DRM_SP_EKKB = 0xFFFF
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};
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#define SZ_DRMKEY_ID 4
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#define SZ_DRMKEY_TYPE 4
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#define SZ_DRMKEY_SIZE 4
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#define SZ_DRMKEY_ENC_SIZE 4
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#define SZ_DRMKEY_CLEAR_IV 16
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#define SZ_DRMKEY_RESERVED 64
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#define SZ_DRMKEY_HEADER_SIZE \
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(SZ_DRMKEY_ID+SZ_DRMKEY_TYPE+SZ_DRMKEY_SIZE+SZ_DRMKEY_ENC_SIZE+\
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SZ_DRMKEY_CLEAR_IV+SZ_DRMKEY_RESERVED)
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#define SZ_DRMKEY_SIG 16
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/* begin of uree using */
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/*
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*[in] keyID Enum DRMKeyID
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*[out] oneDrmkeyBlock encrypt DRMBlock
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*[out] blockLeng encrypt DRMBlockLength
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*
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*return 0: OK, others: FAIL
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*/
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int get_encrypt_drmkey(unsigned int keyID,
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unsigned char **oneDrmkeyBlock,
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unsigned int *blockLeng);
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int get_clearDrmkey_size(unsigned int keyID, unsigned int *leng);
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int free_encrypt_drmkey(unsigned char *oneEncDrmkeyBlock);
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int write_kbo_drmkey(enum DRMKeyID id, unsigned char *enckey,
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unsigned int length);
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int delete_kbo_drmkey(enum DRMKeyID id);
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int install_KB_OTA_API(unsigned char *buff, unsigned int len);
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int query_drmkey(unsigned int *count, unsigned int *keytype);
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/* end of uree using */
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/* begin for tee using */
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int encrypt_drmkey(enum DRMKeyID id, unsigned char *clearKey,
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unsigned int inLength, unsigned char **encKey,
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unsigned int *outLength);
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int decrypt_drmkey(unsigned char *encDrmKeyBlock, unsigned int inLength,
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unsigned char **DrmKey, unsigned int *outLength);
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int free_drmkey(unsigned char *drmkey);
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int free_drmkey_safe(unsigned char *drmkey, int size);
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/* end for tee using */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __KEY_BLOCK_H__ */
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