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added ASN.1 decoder

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This commit is contained in:
merlokk 2018-11-14 20:44:32 +02:00
commit 5eb3181263
2 changed files with 193 additions and 3 deletions
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6
client/cmdhffido.c
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@ -328,7 +328,7 @@ int CmdHFFidoRegister(const char *cmd) {
int derLen = (buf[derp + 2] << 8) + buf[derp + 3] + 4;
if (verbose2) {
PrintAndLog("DER certificate[%d]:\n------------------DER-------------------", derLen);
dump_buffer_simple((const unsigned char *)&buf[67 + keyHandleLen], derLen, NULL);
dump_buffer_simple((const unsigned char *)&buf[derp], derLen, NULL);
PrintAndLog("\n----------------DER---------------------");
} else {
if (verbose)
@ -341,7 +341,7 @@ int CmdHFFidoRegister(const char *cmd) {
// TODO: print DER certificate in DER view
PrintAndLog("----------------DER TLV-----------------");
asn1_print(&buf[67 + keyHandleLen], derLen, " ");
asn1_print(&buf[derp], derLen, " ");
PrintAndLog("----------------DER TLV-----------------");
// load CA's
@ -357,7 +357,7 @@ int CmdHFFidoRegister(const char *cmd) {
// load DER certificate from authenticator's data
mbedtls_x509_crt cert;
mbedtls_x509_crt_init(&cert);
res = mbedtls_x509_crt_parse_der(&cert, &buf[67 + keyHandleLen], derLen);
res = mbedtls_x509_crt_parse_der(&cert, &buf[derp], derLen);
if (res) {
PrintAndLog("ERROR: DER parse returned 0x%x - %s", (res<0)?-res:res, ecdsa_get_error(res));
}