arm-trusted-firmware/plat/intel/soc/common/include/socfpga_vab.h
Jit Loon Lim cab83c3487 feat(intel): add in SHA384 authentication
Add VAB SHA384 authentication implementation.

Change-Id: Ic22ab7416ffd0c514328d2815b136aa71ba96a84
Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>
Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
2024-07-20 00:53:18 +08:00

161 lines
5.9 KiB
C

/*
* Copyright (c) 2020-2023, Intel Corporation. All rights reserved.
* Copyright (c) 2024, Altera Corporation. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef SOCFPGA_VAB_H
#define SOCFPGA_VAB_H
#include <stdlib.h>
#include "socfpga_fcs.h"
/* Macros */
#define IS_BYTE_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0)
#define BYTE_ALIGN(x, a) __ALIGN_MASK((x), (typeof(x))(a)-1)
#define __ALIGN_MASK(x, mask) (((x)+(mask))&~(mask))
#define VAB_CERT_HEADER_SIZE sizeof(struct fcs_hps_vab_certificate_header)
#define VAB_CERT_MAGIC_OFFSET offsetof(struct fcs_hps_vab_certificate_header, d)
#define VAB_CERT_FIT_SHA384_OFFSET offsetof(struct fcs_hps_vab_certificate_data, fcs_sha384[0])
#define SDM_CERT_MAGIC_NUM 0x25D04E7F
#define CHUNKSZ_PER_WD_RESET (256 * 1024)
#define SHA384_SUM_LEN 48
#define SHA384_DER_LEN 19
#define SHA512_SUM_LEN 64
#define SHA512_DER_LEN 19
#define SHA512_BLOCK_SIZE 128
#define e0(x) (ror64(x, 28) ^ ror64(x, 34) ^ ror64(x, 39))
#define e1(x) (ror64(x, 14) ^ ror64(x, 18) ^ ror64(x, 41))
#define s0(x) (ror64(x, 1) ^ ror64(x, 8) ^ (x >> 7))
#define s1(x) (ror64(x, 19) ^ ror64(x, 61) ^ (x >> 6))
#define __cpu_to_le64(x) ((__force __le64)(__u64)(x))
#define PUT_UINT64_BE(n, b, i) { \
(b)[(i)] = (unsigned char) ((n) >> 56); \
(b)[(i) + 1] = (unsigned char) ((n) >> 48); \
(b)[(i) + 2] = (unsigned char) ((n) >> 40); \
(b)[(i) + 3] = (unsigned char) ((n) >> 32); \
(b)[(i) + 4] = (unsigned char) ((n) >> 24); \
(b)[(i) + 5] = (unsigned char) ((n) >> 16); \
(b)[(i) + 6] = (unsigned char) ((n) >> 8); \
(b)[(i) + 7] = (unsigned char) ((n)); \
}
/* SHA related return Macro */
#define ENOVABCERT 1 /* VAB certificate not available */
#define EIMGERR 2 /* Image format/size not valid */
#define ETIMEOUT 3 /* Execution timeout */
#define EPROCESS 4 /* Process error */
#define EKEYREJECTED 5/* Key was rejected by service */
/* SHA384 certificate ID */
#define SHA384_H0 0xcbbb9d5dc1059ed8ULL
#define SHA384_H1 0x629a292a367cd507ULL
#define SHA384_H2 0x9159015a3070dd17ULL
#define SHA384_H3 0x152fecd8f70e5939ULL
#define SHA384_H4 0x67332667ffc00b31ULL
#define SHA384_H5 0x8eb44a8768581511ULL
#define SHA384_H6 0xdb0c2e0d64f98fa7ULL
#define SHA384_H7 0x47b5481dbefa4fa4ULL
#define GET_UINT64_BE(n, b, i) { \
(n) = ((unsigned long long) (b)[(i)] << 56) \
| ((unsigned long long) (b)[(i) + 1] << 48) \
| ((unsigned long long) (b)[(i) + 2] << 40) \
| ((unsigned long long) (b)[(i) + 3] << 32) \
| ((unsigned long long) (b)[(i) + 4] << 24) \
| ((unsigned long long) (b)[(i) + 5] << 16) \
| ((unsigned long long) (b)[(i) + 6] << 8) \
| ((unsigned long long) (b)[(i) + 7]); \
}
static const uint64_t sha512_K[80] = {
0x428a2f98d728ae22ULL, 0x7137449123ef65cdULL, 0xb5c0fbcfec4d3b2fULL,
0xe9b5dba58189dbbcULL, 0x3956c25bf348b538ULL, 0x59f111f1b605d019ULL,
0x923f82a4af194f9bULL, 0xab1c5ed5da6d8118ULL, 0xd807aa98a3030242ULL,
0x12835b0145706fbeULL, 0x243185be4ee4b28cULL, 0x550c7dc3d5ffb4e2ULL,
0x72be5d74f27b896fULL, 0x80deb1fe3b1696b1ULL, 0x9bdc06a725c71235ULL,
0xc19bf174cf692694ULL, 0xe49b69c19ef14ad2ULL, 0xefbe4786384f25e3ULL,
0x0fc19dc68b8cd5b5ULL, 0x240ca1cc77ac9c65ULL, 0x2de92c6f592b0275ULL,
0x4a7484aa6ea6e483ULL, 0x5cb0a9dcbd41fbd4ULL, 0x76f988da831153b5ULL,
0x983e5152ee66dfabULL, 0xa831c66d2db43210ULL, 0xb00327c898fb213fULL,
0xbf597fc7beef0ee4ULL, 0xc6e00bf33da88fc2ULL, 0xd5a79147930aa725ULL,
0x06ca6351e003826fULL, 0x142929670a0e6e70ULL, 0x27b70a8546d22ffcULL,
0x2e1b21385c26c926ULL, 0x4d2c6dfc5ac42aedULL, 0x53380d139d95b3dfULL,
0x650a73548baf63deULL, 0x766a0abb3c77b2a8ULL, 0x81c2c92e47edaee6ULL,
0x92722c851482353bULL, 0xa2bfe8a14cf10364ULL, 0xa81a664bbc423001ULL,
0xc24b8b70d0f89791ULL, 0xc76c51a30654be30ULL, 0xd192e819d6ef5218ULL,
0xd69906245565a910ULL, 0xf40e35855771202aULL, 0x106aa07032bbd1b8ULL,
0x19a4c116b8d2d0c8ULL, 0x1e376c085141ab53ULL, 0x2748774cdf8eeb99ULL,
0x34b0bcb5e19b48a8ULL, 0x391c0cb3c5c95a63ULL, 0x4ed8aa4ae3418acbULL,
0x5b9cca4f7763e373ULL, 0x682e6ff3d6b2b8a3ULL, 0x748f82ee5defb2fcULL,
0x78a5636f43172f60ULL, 0x84c87814a1f0ab72ULL, 0x8cc702081a6439ecULL,
0x90befffa23631e28ULL, 0xa4506cebde82bde9ULL, 0xbef9a3f7b2c67915ULL,
0xc67178f2e372532bULL, 0xca273eceea26619cULL, 0xd186b8c721c0c207ULL,
0xeada7dd6cde0eb1eULL, 0xf57d4f7fee6ed178ULL, 0x06f067aa72176fbaULL,
0x0a637dc5a2c898a6ULL, 0x113f9804bef90daeULL, 0x1b710b35131c471bULL,
0x28db77f523047d84ULL, 0x32caab7b40c72493ULL, 0x3c9ebe0a15c9bebcULL,
0x431d67c49c100d4cULL, 0x4cc5d4becb3e42b6ULL, 0x597f299cfc657e2aULL,
0x5fcb6fab3ad6faecULL, 0x6c44198c4a475817ULL,
};
static inline uint64_t ror64(uint64_t word, unsigned int shift)
{
return (word >> (shift & 63)) | (word << ((-shift) & 63));
}
struct fcs_hps_vab_certificate_data {
uint32_t vab_cert_magic_num; /* offset 0x10 */
uint32_t flags;
uint8_t rsvd0_1[8];
uint8_t fcs_sha384[FCS_SHA384_WORD_SIZE]; /* offset 0x20 */
};
struct fcs_hps_vab_certificate_header {
uint32_t cert_magic_num; /* offset 0 */
uint32_t cert_data_sz;
uint32_t cert_ver;
uint32_t cert_type;
struct fcs_hps_vab_certificate_data d; /* offset 0x10 */
/* keychain starts at offset 0x50 */
};
typedef struct {
uint64_t state[SHA512_SUM_LEN / 8];
uint64_t count[2];
uint8_t buf[SHA512_BLOCK_SIZE];
} sha512_context;
static inline uint64_t Ch(uint64_t x, uint64_t y, uint64_t z)
{
return z ^ (x & (y ^ z));
}
static inline uint64_t Maj(uint64_t x, uint64_t y, uint64_t z)
{
return (x & y) | (z & (x | y));
}
static inline void LOAD_OP(int I, uint64_t *W, const uint8_t *input)
{
GET_UINT64_BE(W[I], input, I*8);
}
static inline void BLEND_OP(int I, uint64_t *W)
{
W[I & 15] += s1(W[(I-2) & 15]) + W[(I-7) & 15] + s0(W[(I-15) & 15]);
}
/* Function Definitions */
static size_t get_img_size(uint8_t *img_buf, size_t img_buf_sz);
int socfpga_vendor_authentication(void **p_image, size_t *p_size);
static uint32_t get_unaligned_le32(const void *p);
void sha384_csum_wd(const unsigned char *input, unsigned int ilen,
unsigned char *output, unsigned int chunk_sz);
#endif