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add rng command

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This commit is contained in:
Conor Patrick
2018-12-05 19:35:22 -05:00
parent beedc24839
commit 1a07b4a73a
3 changed files with 30 additions and 2 deletions
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18
fido2/ctaphid.c
View File

@@ -716,7 +716,23 @@ uint8_t ctaphid_handle_packet(uint8_t * pkt_raw)
boot_st_bootloader();
break;
#endif
#if !defined(IS_BOOTLOADER)
case CTAPHID_GETRNG:
printf1(TAG_HID,"CTAPHID_GETRNG\n");
ctap_response_init(&ctap_resp);
ctaphid_write_buffer_init(&wb);
wb.cid = cid;
wb.cmd = CTAPHID_GETRNG;
wb.bcnt = ctap_buffer[0];
if (!wb.bcnt)
wb.bcnt = 57;
memset(ctap_buffer,0,wb.bcnt);
ctap_generate_rng(ctap_buffer, wb.bcnt);
ctaphid_write(&wb, &ctap_buffer, wb.bcnt);
ctaphid_write(&wb, NULL, 0);
is_busy = 0;
break;
#endif
default:
printf2(TAG_ERR,"error, unimplemented HID cmd: %02x\r\n", buffer_cmd());
ctaphid_send_error(cid, CTAP1_ERR_INVALID_COMMAND);

1
fido2/ctaphid.h
View File

@@ -42,6 +42,7 @@
#define CTAPHID_BOOT (TYPE_INIT | 0x50)
#define CTAPHID_ENTERBOOT (TYPE_INIT | 0x51)
#define CTAPHID_ENTERSTBOOT (TYPE_INIT | 0x52)
#define CTAPHID_GETRNG (TYPE_INIT | 0x60)
#define ERR_INVALID_CMD 0x01
#define ERR_INVALID_PAR 0x02