| /* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */ |
| /* |
| * Copyright (c) 2019 Amlogic, Inc. All rights reserved. |
| */ |
| |
| #ifndef __CHECKSHA_H__ |
| #define __CHECKSHA_H__ |
| |
| #define FALSE 0 |
| #define TRUE 1 |
| |
| #define HDCP_NULL 0 |
| #define HDCP_KSVLIST_VALID 1 |
| #define HDCP_KSVLIST_INVALID 2 |
| |
| #define KSV_SIZE 5 |
| #define HDCP_HEAD 10 |
| #define SHA_MAX_SIZE 20 |
| #define KSV_MASK 0x7F |
| #define MAX_VAL_MASK 0xFFFFFFFF |
| |
| #define SHA_CONST_VAL0 0x67452301 |
| #define SHA_CONST_VAL1 0xEFCDAB89 |
| #define SHA_CONST_VAL2 0x98BADCFE |
| #define SHA_CONST_VAL3 0x10325476 |
| #define SHA_CONST_VAL4 0xC3D2E1F0 |
| |
| #define SHA_CONST_K0 0x5A827999 |
| #define SHA_CONST_K1 0x6ED9EBA1 |
| #define SHA_CONST_K2 0x8F1BBCDC |
| #define SHA_CONST_K3 0xCA62C1D6 |
| |
| struct shamsg_t { |
| unsigned char shamsg_len[8]; |
| unsigned char shamsg_blk[64]; |
| int shamsg_idx; |
| int shamsg_cmp; |
| int shamsg_crp; |
| unsigned int shamsg_dgt[5]; |
| }; |
| |
| int calc_hdcp_ksv_valid(const unsigned char *dat, int size); |
| |
| #endif /* __CHECKSHA_H__ */ |
