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arm64: zynqmp: Add support for SHA3 command

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This patch adds support for SHA3 command. It takes data blob
as input and generates 48 bytes sha3 hash value.

Signed-off-by: T Karthik Reddy <t.karthik.reddy@xilinx.com>
Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
This commit is contained in:
T Karthik Reddy 2019-01-07 17:05:11 +05:30 committed by Michal Simek
parent 650d02ae77
commit 0af9de9a90
2 changed files with 68 additions and 0 deletions
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5
arch/arm/mach-zynqmp/include/mach/sys_proto.h
View file

@ -15,6 +15,11 @@
#define PRIV_EXPO_LEN 512
#define PUB_EXPO_LEN 4
#define ZYNQMP_SHA3_INIT 1
#define ZYNQMP_SHA3_UPDATE 2
#define ZYNQMP_SHA3_FINAL 4
#define ZYNQMP_SHA3_SIZE 48
#define ZYNQMP_FPGA_BIT_AUTH_DDR 1
#define ZYNQMP_FPGA_BIT_AUTH_OCM 2
#define ZYNQMP_FPGA_BIT_ENC_USR_KEY 3

63
board/xilinx/zynqmp/cmds.c
View file

@ -282,6 +282,64 @@ static int do_zynqmp_rsa(struct cmd_tbl *cmdtp, int flag, int argc,
return CMD_RET_SUCCESS;
}
static int do_zynqmp_sha3(struct cmd_tbl *cmdtp, int flag,
int argc, char * const argv[])
{
u64 srcaddr;
u32 srclen, ret_payload[PAYLOAD_ARG_CNT];
int ret;
if (argc != cmdtp->maxargs)
return CMD_RET_USAGE;
if (zynqmp_firmware_version() <= PMUFW_V1_0) {
puts("ERR: PMUFW v1.0 or less is detected\n");
puts("ERR: Encrypt/Decrypt feature is not supported\n");
puts("ERR: Please upgrade PMUFW\n");
return CMD_RET_FAILURE;
}
srcaddr = simple_strtoul(argv[2], NULL, 16);
srclen = simple_strtoul(argv[3], NULL, 16);
/* Check srcaddr or srclen != 0 */
if (!srcaddr || !srclen) {
puts("ERR: srcaddr & srclen should not be 0\n");
return CMD_RET_USAGE;
}
flush_dcache_range(srcaddr,
srcaddr + roundup(srclen, ARCH_DMA_MINALIGN));
ret = xilinx_pm_request(PM_SECURE_SHA, 0, 0, 0,
ZYNQMP_SHA3_INIT, ret_payload);
if (ret || ret_payload[1]) {
printf("Failed: SHA INIT status:0x%x, errcode:0x%x\n",
ret, ret_payload[1]);
return CMD_RET_FAILURE;
}
ret = xilinx_pm_request(PM_SECURE_SHA, upper_32_bits((ulong)srcaddr),
lower_32_bits((ulong)srcaddr),
srclen, ZYNQMP_SHA3_UPDATE, ret_payload);
if (ret || ret_payload[1]) {
printf("Failed: SHA UPDATE status:0x%x, errcode:0x%x\n",
ret, ret_payload[1]);
return CMD_RET_FAILURE;
}
ret = xilinx_pm_request(PM_SECURE_SHA, upper_32_bits((ulong)srcaddr),
lower_32_bits((ulong)srcaddr), ZYNQMP_SHA3_SIZE,
ZYNQMP_SHA3_FINAL, ret_payload);
if (ret || ret_payload[1]) {
printf("Failed: SHA FINAL status:0x%x, errcode:0x%x\n",
ret, ret_payload[1]);
return CMD_RET_FAILURE;
}
return CMD_RET_SUCCESS;
}
static struct cmd_tbl cmd_zynqmp_sub[] = {
U_BOOT_CMD_MKENT(secure, 5, 0, do_zynqmp_verify_secure, "", ""),
U_BOOT_CMD_MKENT(pmufw, 4, 0, do_zynqmp_pmufw, "", ""),
@ -289,6 +347,7 @@ static struct cmd_tbl cmd_zynqmp_sub[] = {
U_BOOT_CMD_MKENT(mmio_write, 5, 0, do_zynqmp_mmio_write, "", ""),
U_BOOT_CMD_MKENT(aes, 9, 0, do_zynqmp_aes, "", ""),
U_BOOT_CMD_MKENT(rsa, 7, 0, do_zynqmp_rsa, "", ""),
U_BOOT_CMD_MKENT(sha3, 4, 0, do_zynqmp_sha3, "", ""),
#ifdef CONFIG_DEFINE_TCM_OCM_MMAP
U_BOOT_CMD_MKENT(tcminit, 3, 0, do_zynqmp_tcm_init, "", ""),
#endif
@ -356,6 +415,10 @@ static char zynqmp_help_text[] =
" exp : private key exponent for RSA decryption(4096 bits)\n"
" public key exponent for RSA encryption(32 bits)\n"
" rsaop : 0 for RSA Decryption, 1 for RSA Encryption\n"
"zynqmp sha3 srcaddr srclen -\n"
" Generates sha3 hash value for data blob at srcaddr and puts\n"
" 48 bytes hash value into srcaddr\n"
" Note: srcaddr/srclen should not be 0\n"
;
#endif