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add basic rk support for pc

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This commit is contained in:
Conor Patrick 2019-03-01 22:28:25 -05:00
parent 11ca6bd517
commit 495e10f3a1
1 changed files with 65 additions and 8 deletions
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73
pc/device.c
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@ -22,6 +22,11 @@
#include "log.h"
#include "ctaphid.h"
#define RK_NUM 50
struct ResidentKeyStore {
CTAP_residentKey rks[RK_NUM];
} RK_STORE;
void authenticator_initialize();
@ -251,6 +256,7 @@ int ctap_generate_rng(uint8_t * dst, size_t num)
const char * state_file = "authenticator_state.bin";
const char * backup_file = "authenticator_state2.bin";
const char * rk_file = "resident_keys.bin";
void authenticator_read_state(AuthenticatorState * state)
{
@ -370,6 +376,24 @@ int authenticator_is_backup_initialized()
/*}*/
static void sync_rk()
{
FILE * f = fopen(rk_file, "wb+");
if (f== NULL)
{
perror("fopen");
exit(1);
}
int ret = fwrite(&RK_STORE, 1, sizeof(RK_STORE), f);
fclose(f);
if (ret != sizeof(RK_STORE))
{
perror("fwrite");
exit(1);
}
}
void authenticator_initialize()
{
uint8_t header[16];
@ -393,6 +417,22 @@ void authenticator_initialize()
perror("fwrite");
exit(1);
}
// resident_keys
f = fopen(rk_file, "rb");
if (f== NULL)
{
perror("fopen");
exit(1);
}
ret = fread(&RK_STORE, 1, sizeof(RK_STORE), f);
fclose(f);
if(ret != sizeof(RK_STORE))
{
perror("fwrite");
exit(1);
}
}
else
{
@ -431,6 +471,12 @@ void authenticator_initialize()
exit(1);
}
// resident_keys
memset(&RK_STORE,0xff,sizeof(RK_STORE));
sync_rk();
}
}
@ -439,26 +485,37 @@ void device_manage()
}
void ctap_reset_rk()
{
memset(&RK_STORE,0xff,sizeof(RK_STORE));
sync_rk();
}
uint32_t ctap_rk_size()
{
printf("Warning: rk not implemented\n");
return 0;
return RK_NUM;
}
void ctap_store_rk(int index,CTAP_residentKey * rk)
void ctap_store_rk(int index, CTAP_residentKey * rk)
{
printf("Warning: rk not implemented\n");
memmove(RK_STORE.rks + index, rk, sizeof(CTAP_residentKey));
sync_rk();
}
void ctap_load_rk(int index,CTAP_residentKey * rk)
void ctap_load_rk(int index, CTAP_residentKey * rk)
{
printf("Warning: rk not implemented\n");
memmove(rk, RK_STORE.rks + index, sizeof(CTAP_residentKey));
}
void ctap_overwrite_rk(int index,CTAP_residentKey * rk)
void ctap_overwrite_rk(int index, CTAP_residentKey * rk)
{
printf("Warning: rk not implemented\n");
memmove(RK_STORE.rks + index, rk, sizeof(CTAP_residentKey));
sync_rk();
}
void device_wink()