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This commit is contained in:
Philippe Teuwen 2019-03-10 00:00:59 +01:00
commit 0373696662
483 changed files with 56514 additions and 52451 deletions
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52
client/fido/cose.c
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@ -38,14 +38,16 @@ COSEValueNameDesc_t COSEKeyTypeValueDesc[] = {
{4, "Symmetric", "Symmetric Key"},
};
COSEValueNameDesc_t *GetCOSEktyElm(int id) {
COSEValueNameDesc_t *GetCOSEktyElm(int id)
{
for (int i = 0; i < ARRAYLEN(COSEKeyTypeValueDesc); i++)
if (COSEKeyTypeValueDesc[i].Value == id)
return &COSEKeyTypeValueDesc[i];
return NULL;
}
const char *GetCOSEktyDescription(int id) {
const char *GetCOSEktyDescription(int id)
{
COSEValueNameDesc_t *elm = GetCOSEktyElm(id);
if (elm)
return elm->Description;
@ -63,14 +65,16 @@ COSEValueTypeNameDesc_t COSECurvesDesc[] = {
{7, "OKP", "Ed448", "Ed448 for use w/ EdDSA only"},
};
COSEValueTypeNameDesc_t *GetCOSECurveElm(int id) {
COSEValueTypeNameDesc_t *GetCOSECurveElm(int id)
{
for (int i = 0; i < ARRAYLEN(COSECurvesDesc); i++)
if (COSECurvesDesc[i].Value == id)
return &COSECurvesDesc[i];
return NULL;
}
const char *GetCOSECurveDescription(int id) {
const char *GetCOSECurveDescription(int id)
{
COSEValueTypeNameDesc_t *elm = GetCOSECurveElm(id);
if (elm)
return elm->Description;
@ -135,41 +139,45 @@ COSEValueNameDesc_t COSEAlg[] = {
{33, "AES-CCM-64-128-256", "AES-CCM mode 256-bit key, 128-bit tag, 7-byte nonce"}
};
COSEValueNameDesc_t *GetCOSEAlgElm(int id) {
COSEValueNameDesc_t *GetCOSEAlgElm(int id)
{
for (int i = 0; i < ARRAYLEN(COSEAlg); i++)
if (COSEAlg[i].Value == id)
return &COSEAlg[i];
return NULL;
}
const char *GetCOSEAlgName(int id) {
const char *GetCOSEAlgName(int id)
{
COSEValueNameDesc_t *elm = GetCOSEAlgElm(id);
if (elm)
return elm->Name;
return COSEEmptyStr;
}
const char *GetCOSEAlgDescription(int id) {
const char *GetCOSEAlgDescription(int id)
{
COSEValueNameDesc_t *elm = GetCOSEAlgElm(id);
if (elm)
return elm->Description;
return COSEEmptyStr;
}
int COSEGetECDSAKey(uint8_t *data, size_t datalen, bool verbose, uint8_t *public_key) {
int COSEGetECDSAKey(uint8_t *data, size_t datalen, bool verbose, uint8_t *public_key)
{
CborParser parser;
CborValue map;
int64_t i64;
size_t len;
if(verbose)
if (verbose)
PrintAndLog("----------- CBOR decode ----------------");
// kty
int res = CborMapGetKeyById(&parser, &map, data, datalen, 1);
if(!res) {
if (!res) {
cbor_value_get_int64(&map, &i64);
if(verbose)
if (verbose)
PrintAndLog("kty [%lld] %s", (long long)i64, GetCOSEktyDescription(i64));
if (i64 != 2)
PrintAndLog("ERROR: kty must be 2.");
@ -177,9 +185,9 @@ int COSEGetECDSAKey(uint8_t *data, size_t datalen, bool verbose, uint8_t *public
// algorithm
res = CborMapGetKeyById(&parser, &map, data, datalen, 3);
if(!res) {
if (!res) {
cbor_value_get_int64(&map, &i64);
if(verbose)
if (verbose)
PrintAndLog("algorithm [%lld] %s", (long long)i64, GetCOSEAlgDescription(i64));
if (i64 != -7)
PrintAndLog("ERROR: algorithm must be -7.");
@ -187,9 +195,9 @@ int COSEGetECDSAKey(uint8_t *data, size_t datalen, bool verbose, uint8_t *public
// curve
res = CborMapGetKeyById(&parser, &map, data, datalen, -1);
if(!res) {
if (!res) {
cbor_value_get_int64(&map, &i64);
if(verbose)
if (verbose)
PrintAndLog("curve [%lld] %s", (long long)i64, GetCOSECurveDescription(i64));
if (i64 != 1)
PrintAndLog("ERROR: curve must be 1.");
@ -200,10 +208,10 @@ int COSEGetECDSAKey(uint8_t *data, size_t datalen, bool verbose, uint8_t *public
// x - coordinate
res = CborMapGetKeyById(&parser, &map, data, datalen, -2);
if(!res) {
if (!res) {
res = CborGetBinStringValue(&map, &public_key[1], 32, &len);
cbor_check(res);
if(verbose)
if (verbose)
PrintAndLog("x - coordinate [%d]: %s", len, sprint_hex(&public_key[1], 32));
if (len != 32)
PrintAndLog("ERROR: x - coordinate length must be 32.");
@ -211,10 +219,10 @@ int COSEGetECDSAKey(uint8_t *data, size_t datalen, bool verbose, uint8_t *public
// y - coordinate
res = CborMapGetKeyById(&parser, &map, data, datalen, -3);
if(!res) {
if (!res) {
res = CborGetBinStringValue(&map, &public_key[33], 32, &len);
cbor_check(res);
if(verbose)
if (verbose)
PrintAndLog("y - coordinate [%d]: %s", len, sprint_hex(&public_key[33], 32));
if (len != 32)
PrintAndLog("ERROR: y - coordinate length must be 32.");
@ -223,14 +231,14 @@ int COSEGetECDSAKey(uint8_t *data, size_t datalen, bool verbose, uint8_t *public
// d - private key
uint8_t private_key[128] = {0};
res = CborMapGetKeyById(&parser, &map, data, datalen, -4);
if(!res) {
if (!res) {
res = CborGetBinStringValue(&map, private_key, sizeof(private_key), &len);
cbor_check(res);
if(verbose)
if (verbose)
PrintAndLog("d - private key [%d]: %s", len, sprint_hex(private_key, len));
}
if(verbose)
if (verbose)
PrintAndLog("----------- CBOR decode ----------------");
return 0;