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fw: Update comments

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Michael Cardell Widerkrantz 2023-03-16 13:30:56 +01:00
parent 00d806df10
commit 226bcbaed1
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GPG Key ID: D3DB3DDF57E704E5
1 changed files with 3 additions and 3 deletions
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6
hw/application_fpga/fw/tk1/main.c
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@ -125,7 +125,8 @@ static void compute_cdi(const uint8_t digest[32], const uint8_t use_uss,
// Write hashed result to Compound Device Identity (CDI)
blake2s_final(&secure_ctx, local_cdi);
// Clear secure_ctx of any residue
// Clear secure_ctx of any residue of UDS. Don't want to keep
// that for long even though fw_ram is cleared later.
memset(&secure_ctx, 0, sizeof(secure_ctx));
// CDI only word writable
@ -379,7 +380,7 @@ static void scramble_ram()
int main()
{
struct context ctx = {0};
struct frame_header hdr; // Used in both directions
struct frame_header hdr;
uint8_t cmd[CMDLEN_MAXBYTES];
enum state state = FW_STATE_INITIAL;
@ -414,7 +415,6 @@ int main()
break;
case FW_STATE_RUN:
htif_puts("state_run\n");
run(&ctx);
break; // This is never reached!