rs-matter/matter/src/cert/mod.rs
2023-05-14 09:08:51 +00:00

1116 lines
49 KiB
Rust

/*
*
* Copyright (c) 2020-2022 Project CHIP Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
use core::fmt::{self, Write};
use crate::{
crypto::KeyPair,
error::{Error, ErrorCode},
tlv::{self, FromTLV, OctetStr, TLVArray, TLVElement, TLVWriter, TagType, ToTLV},
utils::writebuf::WriteBuf,
};
use log::error;
use num_derive::FromPrimitive;
pub use self::asn1_writer::ASN1Writer;
use self::printer::CertPrinter;
pub const MAX_CERT_TLV_LEN: usize = 1024; // TODO
// As per https://datatracker.ietf.org/doc/html/rfc5280
const OID_PUB_KEY_ECPUBKEY: [u8; 7] = [0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x02, 0x01];
const OID_EC_TYPE_PRIME256V1: [u8; 8] = [0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x03, 0x01, 0x07];
const OID_ECDSA_WITH_SHA256: [u8; 8] = [0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x04, 0x03, 0x02];
#[derive(FromPrimitive)]
pub enum CertTags {
SerialNum = 1,
SignAlgo = 2,
Issuer = 3,
NotBefore = 4,
NotAfter = 5,
Subject = 6,
PubKeyAlgo = 7,
EcCurveId = 8,
EcPubKey = 9,
Extensions = 10,
Signature = 11,
}
#[derive(FromPrimitive, Debug)]
pub enum EcCurveIdValue {
Prime256V1 = 1,
}
pub fn get_ec_curve_id(algo: u8) -> Option<EcCurveIdValue> {
num::FromPrimitive::from_u8(algo)
}
#[derive(FromPrimitive, Debug)]
pub enum PubKeyAlgoValue {
EcPubKey = 1,
}
pub fn get_pubkey_algo(algo: u8) -> Option<PubKeyAlgoValue> {
num::FromPrimitive::from_u8(algo)
}
#[derive(FromPrimitive, Debug)]
pub enum SignAlgoValue {
ECDSAWithSHA256 = 1,
}
pub fn get_sign_algo(algo: u8) -> Option<SignAlgoValue> {
num::FromPrimitive::from_u8(algo)
}
const KEY_USAGE_DIGITAL_SIGN: u16 = 0x0001;
const KEY_USAGE_NON_REPUDIATION: u16 = 0x0002;
const KEY_USAGE_KEY_ENCIPHERMENT: u16 = 0x0004;
const KEY_USAGE_DATA_ENCIPHERMENT: u16 = 0x0008;
const KEY_USAGE_KEY_AGREEMENT: u16 = 0x0010;
const KEY_USAGE_KEY_CERT_SIGN: u16 = 0x0020;
const KEY_USAGE_CRL_SIGN: u16 = 0x0040;
const KEY_USAGE_ENCIPHER_ONLY: u16 = 0x0080;
const KEY_USAGE_DECIPHER_ONLY: u16 = 0x0100;
fn reverse_byte(byte: u8) -> u8 {
const LOOKUP: [u8; 16] = [
0x00, 0x08, 0x04, 0x0c, 0x02, 0x0a, 0x06, 0x0e, 0x01, 0x09, 0x05, 0x0d, 0x03, 0x0b, 0x07,
0x0f,
];
(LOOKUP[(byte & 0x0f) as usize] << 4) | LOOKUP[(byte >> 4) as usize]
}
fn int_to_bitstring(mut a: u16, buf: &mut [u8]) {
if buf.len() >= 2 {
buf[0] = reverse_byte((a & 0xff) as u8);
a >>= 8;
buf[1] = reverse_byte((a & 0xff) as u8);
}
}
macro_rules! add_if {
($key:ident, $bit:ident,$str:literal) => {
if ($key & $bit) != 0 {
$str
} else {
""
}
};
}
fn get_print_str(key_usage: u16) -> heapless::String<256> {
let mut string = heapless::String::new();
write!(
&mut string,
"{}{}{}{}{}{}{}{}{}",
add_if!(key_usage, KEY_USAGE_DIGITAL_SIGN, "digitalSignature "),
add_if!(key_usage, KEY_USAGE_NON_REPUDIATION, "nonRepudiation "),
add_if!(key_usage, KEY_USAGE_KEY_ENCIPHERMENT, "keyEncipherment "),
add_if!(key_usage, KEY_USAGE_DATA_ENCIPHERMENT, "dataEncipherment "),
add_if!(key_usage, KEY_USAGE_KEY_AGREEMENT, "keyAgreement "),
add_if!(key_usage, KEY_USAGE_KEY_CERT_SIGN, "keyCertSign "),
add_if!(key_usage, KEY_USAGE_CRL_SIGN, "CRLSign "),
add_if!(key_usage, KEY_USAGE_ENCIPHER_ONLY, "encipherOnly "),
add_if!(key_usage, KEY_USAGE_DECIPHER_ONLY, "decipherOnly "),
)
.unwrap();
string
}
#[allow(unused_assignments)]
fn encode_key_usage(key_usage: u16, w: &mut dyn CertConsumer) -> Result<(), Error> {
let mut key_usage_str = [0u8; 2];
int_to_bitstring(key_usage, &mut key_usage_str);
w.bitstr(&get_print_str(key_usage), true, &key_usage_str)?;
Ok(())
}
fn encode_extended_key_usage(
list: impl Iterator<Item = u8>,
w: &mut dyn CertConsumer,
) -> Result<(), Error> {
const OID_SERVER_AUTH: [u8; 8] = [0x2B, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x01];
const OID_CLIENT_AUTH: [u8; 8] = [0x2B, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x02];
const OID_CODE_SIGN: [u8; 8] = [0x2B, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x03];
const OID_EMAIL_PROT: [u8; 8] = [0x2B, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x04];
const OID_TIMESTAMP: [u8; 8] = [0x2B, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x08];
const OID_OCSP_SIGN: [u8; 8] = [0x2B, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x09];
let encoding = [
("", &[0; 8]),
("ServerAuth", &OID_SERVER_AUTH),
("ClientAuth", &OID_CLIENT_AUTH),
("CodeSign", &OID_CODE_SIGN),
("EmailProtection", &OID_EMAIL_PROT),
("Timestamp", &OID_TIMESTAMP),
("OCSPSign", &OID_OCSP_SIGN),
];
w.start_seq("")?;
for t in list {
let t = t as usize;
if t > 0 && t <= encoding.len() {
w.oid(encoding[t].0, encoding[t].1)?;
} else {
error!("Skipping encoding key usage out of bounds");
}
}
w.end_seq()
}
#[derive(FromTLV, ToTLV, Default, Debug)]
#[tlvargs(start = 1)]
struct BasicConstraints {
is_ca: bool,
path: Option<u8>,
}
impl BasicConstraints {
pub fn encode(&self, w: &mut dyn CertConsumer) -> Result<(), Error> {
w.start_seq("")?;
if self.is_ca {
// Encode CA only if true
w.bool("CA:", true)?;
}
if let Some(len) = self.path {
w.integer("Path Len Constraint", &[len])?;
}
w.end_seq()
}
}
fn encode_extension_start(
tag: &str,
critical: bool,
oid: &[u8],
w: &mut dyn CertConsumer,
) -> Result<(), Error> {
w.start_seq(tag)?;
w.oid("", oid)?;
if critical {
w.bool("critical:", true)?;
}
w.start_compound_ostr("value:")
}
fn encode_extension_end(w: &mut dyn CertConsumer) -> Result<(), Error> {
w.end_compound_ostr()?;
w.end_seq()
}
#[derive(FromTLV, ToTLV, Default, Debug)]
#[tlvargs(lifetime = "'a", start = 1, datatype = "list")]
struct Extensions<'a> {
basic_const: Option<BasicConstraints>,
key_usage: Option<u16>,
ext_key_usage: Option<TLVArray<'a, u8>>,
subj_key_id: Option<OctetStr<'a>>,
auth_key_id: Option<OctetStr<'a>>,
future_extensions: Option<OctetStr<'a>>,
}
impl<'a> Extensions<'a> {
fn encode(&self, w: &mut dyn CertConsumer) -> Result<(), Error> {
const OID_BASIC_CONSTRAINTS: [u8; 3] = [0x55, 0x1D, 0x13];
const OID_KEY_USAGE: [u8; 3] = [0x55, 0x1D, 0x0F];
const OID_EXT_KEY_USAGE: [u8; 3] = [0x55, 0x1D, 0x25];
const OID_SUBJ_KEY_IDENTIFIER: [u8; 3] = [0x55, 0x1D, 0x0E];
const OID_AUTH_KEY_ID: [u8; 3] = [0x55, 0x1D, 0x23];
w.start_ctx("X509v3 extensions:", 3)?;
w.start_seq("")?;
if let Some(t) = &self.basic_const {
encode_extension_start("X509v3 Basic Constraints", true, &OID_BASIC_CONSTRAINTS, w)?;
t.encode(w)?;
encode_extension_end(w)?;
}
if let Some(t) = self.key_usage {
encode_extension_start("X509v3 Key Usage", true, &OID_KEY_USAGE, w)?;
encode_key_usage(t, w)?;
encode_extension_end(w)?;
}
if let Some(t) = &self.ext_key_usage {
encode_extension_start("X509v3 Extended Key Usage", true, &OID_EXT_KEY_USAGE, w)?;
encode_extended_key_usage(t.iter(), w)?;
encode_extension_end(w)?;
}
if let Some(t) = &self.subj_key_id {
encode_extension_start("Subject Key ID", false, &OID_SUBJ_KEY_IDENTIFIER, w)?;
w.ostr("", t.0)?;
encode_extension_end(w)?;
}
if let Some(t) = &self.auth_key_id {
encode_extension_start("Auth Key ID", false, &OID_AUTH_KEY_ID, w)?;
w.start_seq("")?;
w.ctx("", 0, t.0)?;
w.end_seq()?;
encode_extension_end(w)?;
}
if let Some(t) = &self.future_extensions {
error!("Future Extensions Not Yet Supported: {:x?}", t.0);
}
w.end_seq()?;
w.end_ctx()?;
Ok(())
}
}
#[derive(FromPrimitive, Copy, Clone)]
enum DnTags {
CommonName = 1,
Surname = 2,
SerialNum = 3,
CountryName = 4,
LocalityName = 5,
StateName = 6,
OrgName = 7,
OrgUnitName = 8,
Title = 9,
Name = 10,
GivenName = 11,
Intials = 12,
GenQalifier = 13,
DnQualifier = 14,
Pseudonym = 15,
DomainComponent = 16,
NodeId = 17,
FirmwareSignId = 18,
IcaId = 19,
RootCaId = 20,
FabricId = 21,
NocCat = 22,
}
#[derive(Debug)]
enum DistNameValue<'a> {
Uint(u64),
Utf8Str(&'a [u8]),
PrintableStr(&'a [u8]),
}
const MAX_DN_ENTRIES: usize = 5;
#[derive(Default, Debug)]
struct DistNames<'a> {
// The order in which the DNs arrive is important, as the signing
// requires that the ASN1 notation retains the same order
dn: heapless::Vec<(u8, DistNameValue<'a>), MAX_DN_ENTRIES>,
}
impl<'a> DistNames<'a> {
fn u64(&self, match_id: DnTags) -> Option<u64> {
self.dn
.iter()
.find(|(id, _)| *id == match_id as u8)
.and_then(|(_, value)| {
if let DistNameValue::Uint(u) = *value {
Some(u)
} else {
None
}
})
}
fn u32_arr(&self, match_id: DnTags, output: &mut [u32]) {
let mut out_index = 0;
for (_, val) in self.dn.iter().filter(|(id, _)| *id == match_id as u8) {
if let DistNameValue::Uint(a) = val {
if out_index < output.len() {
// CatIds are actually just 32-bit
output[out_index] = *a as u32;
out_index += 1;
}
}
}
}
}
const PRINTABLE_STR_THRESHOLD: u8 = 0x80;
impl<'a> FromTLV<'a> for DistNames<'a> {
fn from_tlv(t: &TLVElement<'a>) -> Result<Self, Error> {
let mut d = Self {
dn: heapless::Vec::new(),
};
let iter = t.confirm_list()?.enter().ok_or(ErrorCode::Invalid)?;
for t in iter {
if let TagType::Context(tag) = t.get_tag() {
if let Ok(value) = t.u64() {
d.dn.push((tag, DistNameValue::Uint(value)))
.map_err(|_| ErrorCode::BufferTooSmall)?;
} else if let Ok(value) = t.slice() {
if tag > PRINTABLE_STR_THRESHOLD {
d.dn.push((
tag - PRINTABLE_STR_THRESHOLD,
DistNameValue::PrintableStr(value),
))
.map_err(|_| ErrorCode::BufferTooSmall)?;
} else {
d.dn.push((tag, DistNameValue::Utf8Str(value)))
.map_err(|_| ErrorCode::BufferTooSmall)?;
}
}
}
}
Ok(d)
}
}
impl<'a> ToTLV for DistNames<'a> {
fn to_tlv(&self, tw: &mut TLVWriter, tag: TagType) -> Result<(), Error> {
tw.start_list(tag)?;
for (name, value) in &self.dn {
match value {
DistNameValue::Uint(v) => tw.u64(TagType::Context(*name), *v)?,
DistNameValue::Utf8Str(v) => tw.utf8(TagType::Context(*name), v)?,
DistNameValue::PrintableStr(v) => {
tw.utf8(TagType::Context(*name + PRINTABLE_STR_THRESHOLD), v)?
}
}
}
tw.end_container()
}
}
impl<'a> DistNames<'a> {
fn encode(&self, tag: &str, w: &mut dyn CertConsumer) -> Result<(), Error> {
const OID_COMMON_NAME: [u8; 3] = [0x55_u8, 0x04, 0x03];
const OID_SURNAME: [u8; 3] = [0x55_u8, 0x04, 0x04];
const OID_SERIAL_NUMBER: [u8; 3] = [0x55_u8, 0x04, 0x05];
const OID_COUNTRY_NAME: [u8; 3] = [0x55_u8, 0x04, 0x06];
const OID_LOCALITY_NAME: [u8; 3] = [0x55_u8, 0x04, 0x07];
const OID_STATE_NAME: [u8; 3] = [0x55_u8, 0x04, 0x08];
const OID_ORGANIZATION_NAME: [u8; 3] = [0x55_u8, 0x04, 0x0A];
const OID_ORGANIZATIONAL_UNIT_NAME: [u8; 3] = [0x55_u8, 0x04, 0x0B];
const OID_TITLE: [u8; 3] = [0x55_u8, 0x04, 0x0C];
const OID_NAME: [u8; 3] = [0x55_u8, 0x04, 0x29];
const OID_GIVEN_NAME: [u8; 3] = [0x55_u8, 0x04, 0x2A];
const OID_INITIALS: [u8; 3] = [0x55_u8, 0x04, 0x2B];
const OID_GENERATION_QUALIFIER: [u8; 3] = [0x55_u8, 0x04, 0x2C];
const OID_DN_QUALIFIER: [u8; 3] = [0x55_u8, 0x04, 0x2E];
const OID_PSEUDONYM: [u8; 3] = [0x55_u8, 0x04, 0x41];
const OID_DOMAIN_COMPONENT: [u8; 10] = [
0x09_u8, 0x92, 0x26, 0x89, 0x93, 0xF2, 0x2C, 0x64, 0x01, 0x19,
];
const OID_MATTER_NODE_ID: [u8; 10] = [
0x2B_u8, 0x06, 0x01, 0x04, 0x01, 0x82, 0xA2, 0x7C, 0x01, 0x01,
];
const OID_MATTER_FW_SIGNING_ID: [u8; 10] = [
0x2B_u8, 0x06, 0x01, 0x04, 0x01, 0x82, 0xA2, 0x7C, 0x01, 0x02,
];
const OID_MATTER_ICAC_ID: [u8; 10] = [
0x2B_u8, 0x06, 0x01, 0x04, 0x01, 0x82, 0xA2, 0x7C, 0x01, 0x03,
];
const OID_MATTER_RCAC_ID: [u8; 10] = [
0x2B_u8, 0x06, 0x01, 0x04, 0x01, 0x82, 0xA2, 0x7C, 0x01, 0x04,
];
const OID_MATTER_FABRIC_ID: [u8; 10] = [
0x2B_u8, 0x06, 0x01, 0x04, 0x01, 0x82, 0xA2, 0x7C, 0x01, 0x05,
];
const OID_MATTER_CASE_AUTH_TAG: [u8; 10] = [
0x2B_u8, 0x06, 0x01, 0x04, 0x01, 0x82, 0xA2, 0x7C, 0x01, 0x06,
];
const DN_ENCODING: [(&str, &[u8], Option<IntToStringLen>); 22] = [
("Common Name:", &OID_COMMON_NAME, None),
("Surname:", &OID_SURNAME, None),
("Serial Number", &OID_SERIAL_NUMBER, None),
("Country Name", &OID_COUNTRY_NAME, None),
("Locality name", &OID_LOCALITY_NAME, None),
("State Name", &OID_STATE_NAME, None),
("Org Name", &OID_ORGANIZATION_NAME, None),
("OU Name", &OID_ORGANIZATIONAL_UNIT_NAME, None),
("Title", &OID_TITLE, None),
("Name", &OID_NAME, None),
("Given Name", &OID_GIVEN_NAME, None),
("Initials", &OID_INITIALS, None),
("Gen Qualifier", &OID_GENERATION_QUALIFIER, None),
("DN Qualifier", &OID_DN_QUALIFIER, None),
("Pseudonym", &OID_PSEUDONYM, None),
("Domain Component", &OID_DOMAIN_COMPONENT, None),
(
"Chip Node Id:",
&OID_MATTER_NODE_ID,
Some(IntToStringLen::Len16),
),
(
"Chip Firmware Signing Id:",
&OID_MATTER_FW_SIGNING_ID,
Some(IntToStringLen::Len16),
),
(
"Chip ICA Id:",
&OID_MATTER_ICAC_ID,
Some(IntToStringLen::Len16),
),
(
"Chip Root CA Id:",
&OID_MATTER_RCAC_ID,
Some(IntToStringLen::Len16),
),
(
"Chip Fabric Id:",
&OID_MATTER_FABRIC_ID,
Some(IntToStringLen::Len16),
),
(
"Chip NOC CAT Id:",
&OID_MATTER_CASE_AUTH_TAG,
Some(IntToStringLen::Len8),
),
];
w.start_seq(tag)?;
for (id, value) in &self.dn {
let tag: Option<DnTags> = num::FromPrimitive::from_u8(*id);
if tag.is_some() {
let index = (id - 1) as usize;
if index <= DN_ENCODING.len() {
let this = &DN_ENCODING[index];
encode_dn_value(value, this.0, this.1, w, this.2)?;
} else {
// Non Matter DNs are encoded as
error!("Invalid DN, too high {}", id);
}
} else {
// Non Matter DNs are encoded as
error!("Non Matter DNs are not yet supported {}", id);
}
}
w.end_seq()?;
Ok(())
}
}
#[derive(Copy, Clone)]
/// Describes the expected string length while encoding an integer as a string
enum IntToStringLen {
Len16,
Len8,
}
fn encode_dn_value(
value: &DistNameValue,
name: &str,
oid: &[u8],
w: &mut dyn CertConsumer,
// Only applicable for integer values
expected_len: Option<IntToStringLen>,
) -> Result<(), Error> {
w.start_set("")?;
w.start_seq("")?;
w.oid(name, oid)?;
match value {
DistNameValue::Uint(v) => match expected_len {
Some(IntToStringLen::Len16) => {
let mut string = heapless::String::<32>::new();
write!(&mut string, "{:016X}", v).unwrap();
w.utf8str("", &string)?
}
Some(IntToStringLen::Len8) => {
let mut string = heapless::String::<32>::new();
write!(&mut string, "{:08X}", v).unwrap();
w.utf8str("", &string)?
}
_ => {
error!("Invalid encoding");
Err(ErrorCode::Invalid)?
}
},
DistNameValue::Utf8Str(v) => {
w.utf8str("", core::str::from_utf8(v)?)?;
}
DistNameValue::PrintableStr(v) => {
w.printstr("", core::str::from_utf8(v)?)?;
}
}
w.end_seq()?;
w.end_set()
}
#[derive(FromTLV, ToTLV, Default, Debug)]
#[tlvargs(lifetime = "'a", start = 1)]
pub struct Cert<'a> {
serial_no: OctetStr<'a>,
sign_algo: u8,
issuer: DistNames<'a>,
not_before: u32,
not_after: u32,
subject: DistNames<'a>,
pubkey_algo: u8,
ec_curve_id: u8,
pubkey: OctetStr<'a>,
extensions: Extensions<'a>,
signature: OctetStr<'a>,
}
// TODO: Instead of parsing the TLVs everytime, we should just cache this, but the encoding
// rules in terms of sequence may get complicated. Need to look into this
impl<'a> Cert<'a> {
pub fn new(cert_bin: &'a [u8]) -> Result<Self, Error> {
let root = tlv::get_root_node(cert_bin)?;
Cert::from_tlv(&root)
}
pub fn get_node_id(&self) -> Result<u64, Error> {
self.subject
.u64(DnTags::NodeId)
.ok_or_else(|| Error::from(ErrorCode::NoNodeId))
}
pub fn get_cat_ids(&self, output: &mut [u32]) {
self.subject.u32_arr(DnTags::NocCat, output)
}
pub fn get_fabric_id(&self) -> Result<u64, Error> {
self.subject
.u64(DnTags::FabricId)
.ok_or_else(|| Error::from(ErrorCode::NoFabricId))
}
pub fn get_pubkey(&self) -> &[u8] {
self.pubkey.0
}
pub fn get_subject_key_id(&self) -> Result<&[u8], Error> {
if let Some(id) = self.extensions.subj_key_id.as_ref() {
Ok(id.0)
} else {
Err(ErrorCode::Invalid.into())
}
}
pub fn is_authority(&self, their: &Cert) -> Result<bool, Error> {
if let Some(our_auth_key) = &self.extensions.auth_key_id {
let their_subject = their.get_subject_key_id()?;
if our_auth_key.0 == their_subject {
Ok(true)
} else {
Ok(false)
}
} else {
Ok(false)
}
}
pub fn get_signature(&self) -> &[u8] {
self.signature.0
}
pub fn as_tlv(&self, buf: &mut [u8]) -> Result<usize, Error> {
let mut wb = WriteBuf::new(buf);
let mut tw = TLVWriter::new(&mut wb);
self.to_tlv(&mut tw, TagType::Anonymous)?;
Ok(wb.as_slice().len())
}
pub fn as_asn1(&self, buf: &mut [u8]) -> Result<usize, Error> {
let mut w = ASN1Writer::new(buf);
self.encode(&mut w)?;
Ok(w.as_slice().len())
}
pub fn verify_chain_start(&self) -> CertVerifier {
CertVerifier::new(self)
}
fn encode(&self, w: &mut dyn CertConsumer) -> Result<(), Error> {
w.start_seq("")?;
w.start_ctx("Version:", 0)?;
w.integer("", &[2])?;
w.end_ctx()?;
w.integer("Serial Num:", self.serial_no.0)?;
w.start_seq("Signature Algorithm:")?;
let (str, oid) = match get_sign_algo(self.sign_algo).ok_or(ErrorCode::Invalid)? {
SignAlgoValue::ECDSAWithSHA256 => ("ECDSA with SHA256", OID_ECDSA_WITH_SHA256),
};
w.oid(str, &oid)?;
w.end_seq()?;
self.issuer.encode("Issuer:", w)?;
w.start_seq("Validity:")?;
w.utctime("Not Before:", self.not_before)?;
w.utctime("Not After:", self.not_after)?;
w.end_seq()?;
self.subject.encode("Subject:", w)?;
w.start_seq("")?;
w.start_seq("Public Key Algorithm")?;
let (str, pub_key) = match get_pubkey_algo(self.pubkey_algo).ok_or(ErrorCode::Invalid)? {
PubKeyAlgoValue::EcPubKey => ("ECPubKey", OID_PUB_KEY_ECPUBKEY),
};
w.oid(str, &pub_key)?;
let (str, curve_id) = match get_ec_curve_id(self.ec_curve_id).ok_or(ErrorCode::Invalid)? {
EcCurveIdValue::Prime256V1 => ("Prime256v1", OID_EC_TYPE_PRIME256V1),
};
w.oid(str, &curve_id)?;
w.end_seq()?;
w.bitstr("Public-Key:", false, self.pubkey.0)?;
w.end_seq()?;
self.extensions.encode(w)?;
// We do not encode the Signature in the DER certificate
w.end_seq()
}
}
impl<'a> fmt::Display for Cert<'a> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let mut printer = CertPrinter::new(f);
let _ = self
.encode(&mut printer)
.map_err(|e| error!("Error decoding certificate: {}", e));
// Signature is not encoded by the Cert Decoder
writeln!(f, "Signature: {:x?}", self.get_signature())
}
}
pub struct CertVerifier<'a> {
cert: &'a Cert<'a>,
}
impl<'a> CertVerifier<'a> {
pub fn new(cert: &'a Cert) -> Self {
Self { cert }
}
pub fn add_cert(self, parent: &'a Cert) -> Result<CertVerifier<'a>, Error> {
if !self.cert.is_authority(parent)? {
Err(ErrorCode::InvalidAuthKey)?;
}
let mut asn1 = [0u8; MAX_ASN1_CERT_SIZE];
let len = self.cert.as_asn1(&mut asn1)?;
let asn1 = &asn1[..len];
let k = KeyPair::new_from_public(parent.get_pubkey())?;
k.verify_msg(asn1, self.cert.get_signature()).map_err(|e| {
error!(
"Error in signature verification of certificate: {:x?}",
self.cert.get_subject_key_id()
);
e
})?;
// TODO: other validation checks
Ok(CertVerifier::new(parent))
}
pub fn finalise(self) -> Result<(), Error> {
let cert = self.cert;
self.add_cert(cert)?;
Ok(())
}
}
pub trait CertConsumer {
fn start_seq(&mut self, tag: &str) -> Result<(), Error>;
fn end_seq(&mut self) -> Result<(), Error>;
fn integer(&mut self, tag: &str, i: &[u8]) -> Result<(), Error>;
fn printstr(&mut self, tag: &str, s: &str) -> Result<(), Error>;
fn utf8str(&mut self, tag: &str, s: &str) -> Result<(), Error>;
fn bitstr(&mut self, tag: &str, truncate: bool, s: &[u8]) -> Result<(), Error>;
fn ostr(&mut self, tag: &str, s: &[u8]) -> Result<(), Error>;
fn start_compound_ostr(&mut self, tag: &str) -> Result<(), Error>;
fn end_compound_ostr(&mut self) -> Result<(), Error>;
fn bool(&mut self, tag: &str, b: bool) -> Result<(), Error>;
fn start_set(&mut self, tag: &str) -> Result<(), Error>;
fn end_set(&mut self) -> Result<(), Error>;
fn ctx(&mut self, tag: &str, id: u8, val: &[u8]) -> Result<(), Error>;
fn start_ctx(&mut self, tag: &str, id: u8) -> Result<(), Error>;
fn end_ctx(&mut self) -> Result<(), Error>;
fn oid(&mut self, tag: &str, oid: &[u8]) -> Result<(), Error>;
fn utctime(&mut self, tag: &str, epoch: u32) -> Result<(), Error>;
}
const MAX_DEPTH: usize = 10;
const MAX_ASN1_CERT_SIZE: usize = 1000;
mod asn1_writer;
mod printer;
#[cfg(test)]
mod tests {
use log::info;
use crate::cert::Cert;
use crate::tlv::{self, FromTLV, TLVWriter, TagType, ToTLV};
use crate::utils::writebuf::WriteBuf;
#[test]
fn test_asn1_encode_success() {
{
let mut asn1_buf = [0u8; 1000];
let c = Cert::new(&test_vectors::CHIP_CERT_INPUT1).unwrap();
let len = c.as_asn1(&mut asn1_buf).unwrap();
assert_eq!(&test_vectors::ASN1_OUTPUT1, &asn1_buf[..len]);
}
{
let mut asn1_buf = [0u8; 1000];
let c = Cert::new(&test_vectors::CHIP_CERT_INPUT2).unwrap();
let len = c.as_asn1(&mut asn1_buf).unwrap();
assert_eq!(&test_vectors::ASN1_OUTPUT2, &asn1_buf[..len]);
}
{
let mut asn1_buf = [0u8; 1000];
let c = Cert::new(&test_vectors::CHIP_CERT_TXT_IN_DN).unwrap();
let len = c.as_asn1(&mut asn1_buf).unwrap();
assert_eq!(&test_vectors::ASN1_OUTPUT_TXT_IN_DN, &asn1_buf[..len]);
}
}
#[test]
fn test_verify_chain_success() {
let noc = Cert::new(&test_vectors::NOC1_SUCCESS).unwrap();
let icac = Cert::new(&test_vectors::ICAC1_SUCCESS).unwrap();
let rca = Cert::new(&test_vectors::RCA1_SUCCESS).unwrap();
let a = noc.verify_chain_start();
a.add_cert(&icac)
.unwrap()
.add_cert(&rca)
.unwrap()
.finalise()
.unwrap();
}
#[test]
fn test_verify_chain_incomplete() {
// The chain doesn't lead up to a self-signed certificate
use crate::error::ErrorCode;
let noc = Cert::new(&test_vectors::NOC1_SUCCESS).unwrap();
let icac = Cert::new(&test_vectors::ICAC1_SUCCESS).unwrap();
let a = noc.verify_chain_start();
assert_eq!(
Err(ErrorCode::InvalidAuthKey),
a.add_cert(&icac).unwrap().finalise().map_err(|e| e.code())
);
}
#[test]
fn test_auth_key_chain_incorrect() {
use crate::error::ErrorCode;
let noc = Cert::new(&test_vectors::NOC1_AUTH_KEY_FAIL).unwrap();
let icac = Cert::new(&test_vectors::ICAC1_SUCCESS).unwrap();
let a = noc.verify_chain_start();
assert_eq!(
Err(ErrorCode::InvalidAuthKey),
a.add_cert(&icac).map(|_| ()).map_err(|e| e.code())
);
}
#[test]
fn test_cert_corrupted() {
use crate::error::ErrorCode;
let noc = Cert::new(&test_vectors::NOC1_CORRUPT_CERT).unwrap();
let icac = Cert::new(&test_vectors::ICAC1_SUCCESS).unwrap();
let a = noc.verify_chain_start();
assert_eq!(
Err(ErrorCode::InvalidSignature),
a.add_cert(&icac).map(|_| ()).map_err(|e| e.code())
);
}
#[test]
fn test_tlv_conversions() {
let test_input: [&[u8]; 3] = [
&test_vectors::NOC1_SUCCESS,
&test_vectors::ICAC1_SUCCESS,
&test_vectors::RCA1_SUCCESS,
];
for input in test_input.iter() {
info!("Testing next input...");
let root = tlv::get_root_node(input).unwrap();
let cert = Cert::from_tlv(&root).unwrap();
let mut buf = [0u8; 1024];
let mut wb = WriteBuf::new(&mut buf);
let mut tw = TLVWriter::new(&mut wb);
cert.to_tlv(&mut tw, TagType::Anonymous).unwrap();
assert_eq!(*input, wb.as_slice());
}
}
mod test_vectors {
// Group 1
pub const NOC1_SUCCESS: [u8; 247] = [
0x15, 0x30, 0x1, 0x1, 0x1, 0x24, 0x2, 0x1, 0x37, 0x3, 0x24, 0x13, 0x1, 0x24, 0x15, 0x1,
0x18, 0x26, 0x4, 0x80, 0x22, 0x81, 0x27, 0x26, 0x5, 0x80, 0x25, 0x4d, 0x3a, 0x37, 0x6,
0x26, 0x11, 0x2, 0x5c, 0xbc, 0x0, 0x24, 0x15, 0x1, 0x18, 0x24, 0x7, 0x1, 0x24, 0x8,
0x1, 0x30, 0x9, 0x41, 0x4, 0xba, 0x22, 0x56, 0x43, 0x4f, 0x59, 0x98, 0x32, 0x8d, 0xb8,
0xcb, 0x3f, 0x24, 0x90, 0x9a, 0x96, 0x94, 0x43, 0x46, 0x67, 0xc2, 0x11, 0xe3, 0x80,
0x26, 0x65, 0xfc, 0x65, 0x37, 0x77, 0x3, 0x25, 0x18, 0xd8, 0xdc, 0x85, 0xfa, 0xe6,
0x42, 0xe7, 0x55, 0xc9, 0x37, 0xcc, 0xb, 0x78, 0x84, 0x3d, 0x2f, 0xac, 0x81, 0x88,
0x2e, 0x69, 0x0, 0xa5, 0xfc, 0xcd, 0xe0, 0xad, 0xb2, 0x69, 0xca, 0x73, 0x37, 0xa, 0x35,
0x1, 0x28, 0x1, 0x18, 0x24, 0x2, 0x1, 0x36, 0x3, 0x4, 0x2, 0x4, 0x1, 0x18, 0x30, 0x4,
0x14, 0x39, 0x68, 0x16, 0x1e, 0xb5, 0x56, 0x6d, 0xd3, 0xf8, 0x61, 0xf2, 0x95, 0xf3,
0x55, 0xa0, 0xfb, 0xd2, 0x82, 0xc2, 0x29, 0x30, 0x5, 0x14, 0xce, 0x60, 0xb4, 0x28,
0x96, 0x72, 0x27, 0x64, 0x81, 0xbc, 0x4f, 0x0, 0x78, 0xa3, 0x30, 0x48, 0xfe, 0x6e,
0x65, 0x86, 0x18, 0x30, 0xb, 0x40, 0x2, 0x88, 0x42, 0x0, 0x6f, 0xcc, 0xe0, 0xf0, 0x6c,
0xd9, 0xf9, 0x5e, 0xe4, 0xc2, 0xaa, 0x1f, 0x57, 0x71, 0x62, 0xdb, 0x6b, 0x4e, 0xe7,
0x55, 0x3f, 0xc6, 0xc7, 0x9f, 0xf8, 0x30, 0xeb, 0x16, 0x6e, 0x6d, 0xc6, 0x9c, 0xb,
0xb7, 0xe2, 0xb8, 0xe3, 0xe7, 0x57, 0x88, 0x7b, 0xda, 0xe5, 0x79, 0x39, 0x6d, 0x2c,
0x37, 0xb2, 0x7f, 0xc3, 0x63, 0x2f, 0x7e, 0x70, 0xab, 0x5a, 0x2c, 0xf7, 0x5b, 0x18,
];
pub const ICAC1_SUCCESS: [u8; 237] = [
21, 48, 1, 1, 0, 36, 2, 1, 55, 3, 36, 20, 0, 36, 21, 1, 24, 38, 4, 128, 34, 129, 39,
38, 5, 128, 37, 77, 58, 55, 6, 36, 19, 1, 36, 21, 1, 24, 36, 7, 1, 36, 8, 1, 48, 9, 65,
4, 86, 25, 119, 24, 63, 212, 255, 43, 88, 61, 233, 121, 52, 102, 223, 233, 0, 251, 109,
161, 239, 224, 204, 220, 119, 48, 192, 111, 182, 45, 255, 190, 84, 160, 149, 117, 11,
139, 7, 188, 85, 219, 156, 182, 85, 19, 8, 184, 223, 2, 227, 64, 107, 174, 52, 245, 12,
186, 201, 242, 191, 241, 231, 80, 55, 10, 53, 1, 41, 1, 24, 36, 2, 96, 48, 4, 20, 206,
96, 180, 40, 150, 114, 39, 100, 129, 188, 79, 0, 120, 163, 48, 72, 254, 110, 101, 134,
48, 5, 20, 212, 86, 147, 190, 112, 121, 244, 156, 112, 107, 7, 111, 17, 28, 109, 229,
100, 164, 68, 116, 24, 48, 11, 64, 243, 8, 190, 128, 155, 254, 245, 21, 205, 241, 217,
246, 204, 182, 247, 41, 81, 91, 33, 155, 230, 223, 212, 116, 33, 162, 208, 148, 100,
89, 175, 253, 78, 212, 7, 69, 207, 140, 45, 129, 249, 64, 104, 70, 68, 43, 164, 19,
126, 114, 138, 79, 104, 238, 20, 226, 88, 118, 105, 56, 12, 92, 31, 171, 24,
];
// A single byte in the auth key id is changed in this
pub const NOC1_AUTH_KEY_FAIL: [u8; 247] = [
0x15, 0x30, 0x1, 0x1, 0x1, 0x24, 0x2, 0x1, 0x37, 0x3, 0x24, 0x13, 0x1, 0x24, 0x15, 0x1,
0x18, 0x26, 0x4, 0x80, 0x22, 0x81, 0x27, 0x26, 0x5, 0x80, 0x25, 0x4d, 0x3a, 0x37, 0x6,
0x26, 0x11, 0x2, 0x5c, 0xbc, 0x0, 0x24, 0x15, 0x1, 0x18, 0x24, 0x7, 0x1, 0x24, 0x8,
0x1, 0x30, 0x9, 0x41, 0x4, 0xba, 0x22, 0x56, 0x43, 0x4f, 0x59, 0x98, 0x32, 0x8d, 0xb8,
0xcb, 0x3f, 0x24, 0x90, 0x9a, 0x96, 0x94, 0x43, 0x46, 0x67, 0xc2, 0x11, 0xe3, 0x80,
0x26, 0x65, 0xfc, 0x65, 0x37, 0x77, 0x3, 0x25, 0x18, 0xd8, 0xdc, 0x85, 0xfa, 0xe6,
0x42, 0xe7, 0x55, 0xc9, 0x37, 0xcc, 0xb, 0x78, 0x84, 0x3d, 0x2f, 0xac, 0x81, 0x88,
0x2e, 0x69, 0x0, 0xa5, 0xfc, 0xcd, 0xe0, 0xad, 0xb2, 0x69, 0xca, 0x73, 0x37, 0xa, 0x35,
0x1, 0x28, 0x1, 0x18, 0x24, 0x2, 0x1, 0x36, 0x3, 0x4, 0x2, 0x4, 0x1, 0x18, 0x30, 0x4,
0x14, 0x39, 0x68, 0x16, 0x1e, 0xb5, 0x56, 0x6d, 0xd3, 0xf8, 0x61, 0xf2, 0x95, 0xf3,
0x55, 0xa0, 0xfb, 0xd2, 0x82, 0xc2, 0x29, 0x30, 0x5, 0x14, 0xce, 0x61, 0xb4, 0x28,
0x96, 0x72, 0x27, 0x64, 0x81, 0xbc, 0x4f, 0x0, 0x78, 0xa3, 0x30, 0x48, 0xfe, 0x6e,
0x65, 0x86, 0x18, 0x30, 0xb, 0x40, 0x2, 0x88, 0x42, 0x0, 0x6f, 0xcc, 0xe0, 0xf0, 0x6c,
0xd9, 0xf9, 0x5e, 0xe4, 0xc2, 0xaa, 0x1f, 0x57, 0x71, 0x62, 0xdb, 0x6b, 0x4e, 0xe7,
0x55, 0x3f, 0xc6, 0xc7, 0x9f, 0xf8, 0x30, 0xeb, 0x16, 0x6e, 0x6d, 0xc6, 0x9c, 0xb,
0xb7, 0xe2, 0xb8, 0xe3, 0xe7, 0x57, 0x88, 0x7b, 0xda, 0xe5, 0x79, 0x39, 0x6d, 0x2c,
0x37, 0xb2, 0x7f, 0xc3, 0x63, 0x2f, 0x7e, 0x70, 0xab, 0x5a, 0x2c, 0xf7, 0x5b, 0x18,
];
// A single byte in the Certificate contents is changed in this
pub const NOC1_CORRUPT_CERT: [u8; 247] = [
0x15, 0x30, 0x1, 0x1, 0x1, 0x24, 0x2, 0x1, 0x37, 0x3, 0x24, 0x13, 0x1, 0x24, 0x15, 0x1,
0x18, 0x26, 0x4, 0x80, 0x22, 0x81, 0x27, 0x26, 0x5, 0x80, 0x25, 0x4d, 0x3a, 0x37, 0x6,
0x26, 0x11, 0x2, 0x5c, 0xbc, 0x0, 0x24, 0x15, 0x1, 0x18, 0x24, 0x7, 0x1, 0x24, 0x8,
0x1, 0x30, 0x9, 0x41, 0x4, 0xba, 0x23, 0x56, 0x43, 0x4f, 0x59, 0x98, 0x32, 0x8d, 0xb8,
0xcb, 0x3f, 0x24, 0x90, 0x9a, 0x96, 0x94, 0x43, 0x46, 0x67, 0xc2, 0x11, 0xe3, 0x80,
0x26, 0x65, 0xfc, 0x65, 0x37, 0x77, 0x3, 0x25, 0x18, 0xd8, 0xdc, 0x85, 0xfa, 0xe6,
0x42, 0xe7, 0x55, 0xc9, 0x37, 0xcc, 0xb, 0x78, 0x84, 0x3d, 0x2f, 0xac, 0x81, 0x88,
0x2e, 0x69, 0x0, 0xa5, 0xfc, 0xcd, 0xe0, 0xad, 0xb2, 0x69, 0xca, 0x73, 0x37, 0xa, 0x35,
0x1, 0x28, 0x1, 0x18, 0x24, 0x2, 0x1, 0x36, 0x3, 0x4, 0x2, 0x4, 0x1, 0x18, 0x30, 0x4,
0x14, 0x39, 0x68, 0x16, 0x1e, 0xb5, 0x56, 0x6d, 0xd3, 0xf8, 0x61, 0xf2, 0x95, 0xf3,
0x55, 0xa0, 0xfb, 0xd2, 0x82, 0xc2, 0x29, 0x30, 0x5, 0x14, 0xce, 0x60, 0xb4, 0x28,
0x96, 0x72, 0x27, 0x64, 0x81, 0xbc, 0x4f, 0x0, 0x78, 0xa3, 0x30, 0x48, 0xfe, 0x6e,
0x65, 0x86, 0x18, 0x30, 0xb, 0x40, 0x2, 0x88, 0x42, 0x0, 0x6f, 0xcc, 0xe0, 0xf0, 0x6c,
0xd9, 0xf9, 0x5e, 0xe4, 0xc2, 0xaa, 0x1f, 0x57, 0x71, 0x62, 0xdb, 0x6b, 0x4e, 0xe7,
0x55, 0x3f, 0xc6, 0xc7, 0x9f, 0xf8, 0x30, 0xeb, 0x16, 0x6e, 0x6d, 0xc6, 0x9c, 0xb,
0xb7, 0xe2, 0xb8, 0xe3, 0xe7, 0x57, 0x88, 0x7b, 0xda, 0xe5, 0x79, 0x39, 0x6d, 0x2c,
0x37, 0xb2, 0x7f, 0xc3, 0x63, 0x2f, 0x7e, 0x70, 0xab, 0x5a, 0x2c, 0xf7, 0x5b, 0x18,
];
pub const RCA1_SUCCESS: [u8; 237] = [
0x15, 0x30, 0x1, 0x1, 0x0, 0x24, 0x2, 0x1, 0x37, 0x3, 0x24, 0x14, 0x0, 0x24, 0x15, 0x1,
0x18, 0x26, 0x4, 0x80, 0x22, 0x81, 0x27, 0x26, 0x5, 0x80, 0x25, 0x4d, 0x3a, 0x37, 0x6,
0x24, 0x14, 0x0, 0x24, 0x15, 0x1, 0x18, 0x24, 0x7, 0x1, 0x24, 0x8, 0x1, 0x30, 0x9,
0x41, 0x4, 0x6d, 0x70, 0x7e, 0x4b, 0x98, 0xf6, 0x2b, 0xab, 0x44, 0xd6, 0xfe, 0xa3,
0x2e, 0x39, 0xd8, 0xc3, 0x0, 0xa0, 0xe, 0xa8, 0x6c, 0x83, 0xff, 0x69, 0xd, 0xe8, 0x42,
0x1, 0xeb, 0xd, 0xaa, 0x68, 0x5d, 0xcb, 0x97, 0x2, 0x80, 0x1d, 0xa8, 0x50, 0x2, 0x2e,
0x5a, 0xa2, 0x5a, 0x2e, 0x51, 0x26, 0x4, 0xd2, 0x39, 0x62, 0xcd, 0x82, 0x38, 0x63,
0x28, 0xbf, 0x15, 0x1c, 0xa6, 0x27, 0xe0, 0xd7, 0x37, 0xa, 0x35, 0x1, 0x29, 0x1, 0x18,
0x24, 0x2, 0x60, 0x30, 0x4, 0x14, 0xd4, 0x56, 0x93, 0xbe, 0x70, 0x79, 0xf4, 0x9c, 0x70,
0x6b, 0x7, 0x6f, 0x11, 0x1c, 0x6d, 0xe5, 0x64, 0xa4, 0x44, 0x74, 0x30, 0x5, 0x14, 0xd4,
0x56, 0x93, 0xbe, 0x70, 0x79, 0xf4, 0x9c, 0x70, 0x6b, 0x7, 0x6f, 0x11, 0x1c, 0x6d,
0xe5, 0x64, 0xa4, 0x44, 0x74, 0x18, 0x30, 0xb, 0x40, 0x3, 0xd, 0x77, 0xe1, 0x9e, 0xea,
0x9c, 0x5, 0x5c, 0xcc, 0x47, 0xe8, 0xb3, 0x18, 0x1a, 0xd1, 0x74, 0xee, 0xc6, 0x2e,
0xa1, 0x20, 0x16, 0xbd, 0x20, 0xb4, 0x3d, 0xac, 0x24, 0xbe, 0x17, 0xf9, 0xe, 0xb7,
0x9a, 0x98, 0xc8, 0xbc, 0x6a, 0xce, 0x99, 0x2a, 0x2e, 0x63, 0x4c, 0x76, 0x6, 0x45,
0x93, 0xd3, 0x7c, 0x4, 0x0, 0xe4, 0xc7, 0x78, 0xe9, 0x83, 0x5b, 0xc, 0x33, 0x61, 0x5c,
0x2e, 0x18,
];
pub const CHIP_CERT_INPUT1: [u8; 237] = [
0x15, 0x30, 0x01, 0x01, 0x00, 0x24, 0x02, 0x01, 0x37, 0x03, 0x24, 0x14, 0x00, 0x24,
0x15, 0x03, 0x18, 0x26, 0x04, 0x80, 0x22, 0x81, 0x27, 0x26, 0x05, 0x80, 0x25, 0x4d,
0x3a, 0x37, 0x06, 0x24, 0x13, 0x01, 0x24, 0x15, 0x03, 0x18, 0x24, 0x07, 0x01, 0x24,
0x08, 0x01, 0x30, 0x09, 0x41, 0x04, 0x69, 0xda, 0xe9, 0x42, 0x88, 0xcf, 0x64, 0x94,
0x2d, 0xd5, 0x0a, 0x74, 0x2d, 0x50, 0xe8, 0x5e, 0xbe, 0x15, 0x53, 0x24, 0xe5, 0xc5,
0x6b, 0xe5, 0x7f, 0xc1, 0x41, 0x11, 0x21, 0xdd, 0x46, 0xa3, 0x0d, 0x63, 0xc3, 0xe3,
0x90, 0x7a, 0x69, 0x64, 0xdd, 0x66, 0x78, 0x10, 0xa6, 0xc8, 0x0f, 0xfd, 0xb6, 0xf2,
0x9b, 0x88, 0x50, 0x93, 0x77, 0x9e, 0xf7, 0xb4, 0xda, 0x94, 0x11, 0x33, 0x1e, 0xfe,
0x37, 0x0a, 0x35, 0x01, 0x29, 0x01, 0x18, 0x24, 0x02, 0x60, 0x30, 0x04, 0x14, 0xdf,
0xfb, 0x79, 0xf1, 0x2b, 0xbf, 0x68, 0x18, 0x59, 0x7f, 0xf7, 0xe8, 0xaf, 0x88, 0x91,
0x1c, 0x72, 0x32, 0xf7, 0x52, 0x30, 0x05, 0x14, 0xed, 0x31, 0x5e, 0x1a, 0xb7, 0xb9,
0x7a, 0xca, 0x04, 0x79, 0x5d, 0x82, 0x57, 0x7a, 0xd7, 0x0a, 0x75, 0xd0, 0xdb, 0x7a,
0x18, 0x30, 0x0b, 0x40, 0xe5, 0xd4, 0xe6, 0x0e, 0x98, 0x62, 0x2f, 0xaa, 0x59, 0xe0,
0x28, 0x59, 0xc2, 0xd4, 0xcd, 0x34, 0x85, 0x7f, 0x93, 0xbe, 0x14, 0x35, 0xa3, 0x76,
0x8a, 0xc9, 0x2f, 0x59, 0x39, 0xa0, 0xb0, 0x75, 0xe8, 0x8e, 0x11, 0xa9, 0xc1, 0x9e,
0xaa, 0xab, 0xa0, 0xdb, 0xb4, 0x79, 0x63, 0xfc, 0x02, 0x03, 0x27, 0x25, 0xac, 0x21,
0x6f, 0xef, 0x27, 0xab, 0x0f, 0x90, 0x09, 0x99, 0x05, 0xa8, 0x60, 0xd8, 0x18,
];
pub const CHIP_CERT_INPUT2: [u8; 247] = [
0x15, 0x30, 0x01, 0x01, 0x01, 0x24, 0x02, 0x01, 0x37, 0x03, 0x24, 0x13, 0x01, 0x24,
0x15, 0x03, 0x18, 0x26, 0x04, 0x80, 0x22, 0x81, 0x27, 0x26, 0x05, 0x80, 0x25, 0x4d,
0x3a, 0x37, 0x06, 0x26, 0x11, 0x69, 0xb6, 0x01, 0x00, 0x24, 0x15, 0x03, 0x18, 0x24,
0x07, 0x01, 0x24, 0x08, 0x01, 0x30, 0x09, 0x41, 0x04, 0x93, 0x04, 0xc6, 0xc4, 0xe1,
0xbc, 0x9a, 0xc8, 0xf5, 0xb3, 0x7f, 0x83, 0xd6, 0x7f, 0x79, 0xc5, 0x35, 0xdc, 0x7f,
0xac, 0x87, 0xca, 0xcd, 0x08, 0x80, 0x4a, 0x55, 0x60, 0x80, 0x09, 0xd3, 0x9b, 0x4a,
0xc8, 0xe7, 0x7b, 0x4d, 0x5c, 0x82, 0x88, 0x24, 0xdf, 0x1c, 0xfd, 0xef, 0xb4, 0xbc,
0xb7, 0x2f, 0x36, 0xf7, 0x2b, 0xb2, 0xcc, 0x14, 0x69, 0x63, 0xcc, 0x89, 0xd2, 0x74,
0x3f, 0xd1, 0x98, 0x37, 0x0a, 0x35, 0x01, 0x28, 0x01, 0x18, 0x24, 0x02, 0x01, 0x36,
0x03, 0x04, 0x02, 0x04, 0x01, 0x18, 0x30, 0x04, 0x14, 0x9c, 0xe7, 0xd9, 0xa8, 0x6b,
0xf8, 0x71, 0xfa, 0x08, 0x10, 0xa3, 0xf2, 0x3a, 0x95, 0x30, 0xb1, 0x9e, 0xae, 0xc4,
0x2c, 0x30, 0x05, 0x14, 0xdf, 0xfb, 0x79, 0xf1, 0x2b, 0xbf, 0x68, 0x18, 0x59, 0x7f,
0xf7, 0xe8, 0xaf, 0x88, 0x91, 0x1c, 0x72, 0x32, 0xf7, 0x52, 0x18, 0x30, 0x0b, 0x40,
0xcf, 0x01, 0x37, 0x65, 0xd6, 0x8a, 0xca, 0xd8, 0x33, 0x9f, 0x0f, 0x4f, 0xd5, 0xed,
0x48, 0x42, 0x91, 0xca, 0xab, 0xf7, 0xae, 0xe1, 0x3b, 0x2b, 0xef, 0x9f, 0x43, 0x5a,
0x96, 0xe0, 0xa5, 0x38, 0x8e, 0x39, 0xd0, 0x20, 0x8a, 0x0c, 0x92, 0x2b, 0x21, 0x7d,
0xf5, 0x6c, 0x1d, 0x65, 0x6c, 0x0f, 0xd1, 0xe8, 0x55, 0x14, 0x5e, 0x27, 0xfd, 0xa4,
0xac, 0xf9, 0x93, 0xdb, 0x29, 0x49, 0xaa, 0x71, 0x18,
];
pub const CHIP_CERT_TXT_IN_DN: [u8; 304] = [
0x15, 0x30, 0x1, 0x1, 0x1, 0x24, 0x2, 0x1, 0x37, 0x3, 0x2c, 0x84, 0x2, 0x55, 0x53,
0x2c, 0x7, 0x6, 0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2c, 0x1, 0xb, 0x4d, 0x61, 0x74,
0x74, 0x65, 0x72, 0x20, 0x52, 0x6f, 0x6f, 0x74, 0x27, 0x14, 0x1, 0x0, 0x0, 0x0, 0xfe,
0xff, 0xff, 0xff, 0x18, 0x26, 0x4, 0x7f, 0xd2, 0x43, 0x29, 0x26, 0x5, 0x7f, 0x94, 0x5b,
0xe5, 0x37, 0x6, 0x2c, 0x84, 0x2, 0x55, 0x53, 0x2c, 0x7, 0x6, 0x47, 0x6f, 0x6f, 0x67,
0x6c, 0x65, 0x2c, 0x1, 0xb, 0x4d, 0x61, 0x74, 0x74, 0x65, 0x72, 0x20, 0x52, 0x6f, 0x6f,
0x74, 0x27, 0x14, 0x1, 0x0, 0x0, 0x0, 0xfe, 0xff, 0xff, 0xff, 0x18, 0x24, 0x7, 0x1,
0x24, 0x8, 0x1, 0x30, 0x9, 0x41, 0x4, 0x5b, 0x37, 0xdf, 0x65, 0x49, 0xc2, 0xd, 0xc8,
0xd7, 0x22, 0xa6, 0xb8, 0xac, 0xb6, 0x60, 0xa8, 0xa7, 0x64, 0xce, 0x7b, 0xaf, 0x6c,
0x6c, 0x22, 0x4f, 0x7e, 0xe8, 0x43, 0x49, 0x68, 0x4a, 0xd7, 0xd8, 0x9, 0xff, 0x65, 0x0,
0x33, 0xd1, 0x52, 0x7d, 0xcf, 0x1f, 0xba, 0xac, 0x6a, 0x9c, 0x3a, 0xd8, 0xb4, 0x1e,
0xda, 0xc9, 0x9, 0xf7, 0xb5, 0xc7, 0x60, 0xfd, 0x54, 0x2c, 0x89, 0x23, 0x75, 0x37, 0xa,
0x35, 0x1, 0x29, 0x1, 0x24, 0x2, 0x1, 0x18, 0x24, 0x2, 0x60, 0x30, 0x4, 0x14, 0x72,
0xc2, 0x1, 0xf7, 0x57, 0x19, 0x13, 0xb3, 0x48, 0xca, 0x0, 0xca, 0x7b, 0x45, 0xf4, 0x77,
0x46, 0x68, 0xc9, 0x7e, 0x30, 0x5, 0x14, 0x72, 0xc2, 0x1, 0xf7, 0x57, 0x19, 0x13, 0xb3,
0x48, 0xca, 0x0, 0xca, 0x7b, 0x45, 0xf4, 0x77, 0x46, 0x68, 0xc9, 0x7e, 0x18, 0x30, 0xb,
0x40, 0x65, 0x16, 0x4b, 0x16, 0x6a, 0xdf, 0xf1, 0x8c, 0x15, 0x61, 0xa, 0x8c, 0xe9,
0x1b, 0xd7, 0x3, 0xe9, 0xc1, 0xf6, 0x77, 0xb7, 0x11, 0xce, 0x13, 0x35, 0x5, 0x15, 0x2d,
0xf0, 0xda, 0x15, 0x11, 0x16, 0x75, 0xac, 0x55, 0x91, 0xce, 0xe7, 0x86, 0x85, 0x1c,
0xdd, 0x9e, 0xfd, 0xad, 0x29, 0x66, 0x74, 0xbe, 0xbc, 0xb2, 0xa3, 0xa3, 0x20, 0x9b,
0xcd, 0xe7, 0xb3, 0x9, 0xdb, 0x55, 0x2c, 0x6f, 0x18,
];
pub const ASN1_OUTPUT1: [u8; 388] = [
0x30, 0x82, 0x01, 0x80, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x01, 0x00, 0x30, 0x0a,
0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x30, 0x44, 0x31, 0x20,
0x30, 0x1e, 0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0xa2, 0x7c, 0x01, 0x04,
0x0c, 0x10, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
0x30, 0x30, 0x30, 0x30, 0x31, 0x20, 0x30, 0x1e, 0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04,
0x01, 0x82, 0xa2, 0x7c, 0x01, 0x05, 0x0c, 0x10, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x33, 0x30, 0x1e, 0x17, 0x0d,
0x32, 0x31, 0x30, 0x31, 0x30, 0x31, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x5a, 0x17,
0x0d, 0x33, 0x30, 0x31, 0x32, 0x33, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x5a,
0x30, 0x44, 0x31, 0x20, 0x30, 0x1e, 0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82,
0xa2, 0x7c, 0x01, 0x03, 0x0c, 0x10, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x31, 0x31, 0x20, 0x30, 0x1e, 0x06, 0x0a,
0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0xa2, 0x7c, 0x01, 0x05, 0x0c, 0x10, 0x30, 0x30,
0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x33,
0x30, 0x59, 0x30, 0x13, 0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02, 0x01, 0x06,
0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04, 0x69,
0xda, 0xe9, 0x42, 0x88, 0xcf, 0x64, 0x94, 0x2d, 0xd5, 0x0a, 0x74, 0x2d, 0x50, 0xe8,
0x5e, 0xbe, 0x15, 0x53, 0x24, 0xe5, 0xc5, 0x6b, 0xe5, 0x7f, 0xc1, 0x41, 0x11, 0x21,
0xdd, 0x46, 0xa3, 0x0d, 0x63, 0xc3, 0xe3, 0x90, 0x7a, 0x69, 0x64, 0xdd, 0x66, 0x78,
0x10, 0xa6, 0xc8, 0x0f, 0xfd, 0xb6, 0xf2, 0x9b, 0x88, 0x50, 0x93, 0x77, 0x9e, 0xf7,
0xb4, 0xda, 0x94, 0x11, 0x33, 0x1e, 0xfe, 0xa3, 0x63, 0x30, 0x61, 0x30, 0x0f, 0x06,
0x03, 0x55, 0x1d, 0x13, 0x01, 0x01, 0xff, 0x04, 0x05, 0x30, 0x03, 0x01, 0x01, 0xff,
0x30, 0x0e, 0x06, 0x03, 0x55, 0x1d, 0x0f, 0x01, 0x01, 0xff, 0x04, 0x04, 0x03, 0x02,
0x01, 0x06, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0xdf,
0xfb, 0x79, 0xf1, 0x2b, 0xbf, 0x68, 0x18, 0x59, 0x7f, 0xf7, 0xe8, 0xaf, 0x88, 0x91,
0x1c, 0x72, 0x32, 0xf7, 0x52, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x18,
0x30, 0x16, 0x80, 0x14, 0xed, 0x31, 0x5e, 0x1a, 0xb7, 0xb9, 0x7a, 0xca, 0x04, 0x79,
0x5d, 0x82, 0x57, 0x7a, 0xd7, 0x0a, 0x75, 0xd0, 0xdb, 0x7a,
];
pub const ASN1_OUTPUT2: [u8; 421] = [
0x30, 0x82, 0x01, 0xa1, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x01, 0x01, 0x30, 0x0a,
0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x30, 0x44, 0x31, 0x20,
0x30, 0x1e, 0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0xa2, 0x7c, 0x01, 0x03,
0x0c, 0x10, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
0x30, 0x30, 0x30, 0x31, 0x31, 0x20, 0x30, 0x1e, 0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04,
0x01, 0x82, 0xa2, 0x7c, 0x01, 0x05, 0x0c, 0x10, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x33, 0x30, 0x1e, 0x17, 0x0d,
0x32, 0x31, 0x30, 0x31, 0x30, 0x31, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x5a, 0x17,
0x0d, 0x33, 0x30, 0x31, 0x32, 0x33, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x5a,
0x30, 0x44, 0x31, 0x20, 0x30, 0x1e, 0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01, 0x82,
0xa2, 0x7c, 0x01, 0x01, 0x0c, 0x10, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30,
0x30, 0x30, 0x30, 0x31, 0x42, 0x36, 0x36, 0x39, 0x31, 0x20, 0x30, 0x1e, 0x06, 0x0a,
0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0xa2, 0x7c, 0x01, 0x05, 0x0c, 0x10, 0x30, 0x30,
0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x33,
0x30, 0x59, 0x30, 0x13, 0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02, 0x01, 0x06,
0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04, 0x93,
0x04, 0xc6, 0xc4, 0xe1, 0xbc, 0x9a, 0xc8, 0xf5, 0xb3, 0x7f, 0x83, 0xd6, 0x7f, 0x79,
0xc5, 0x35, 0xdc, 0x7f, 0xac, 0x87, 0xca, 0xcd, 0x08, 0x80, 0x4a, 0x55, 0x60, 0x80,
0x09, 0xd3, 0x9b, 0x4a, 0xc8, 0xe7, 0x7b, 0x4d, 0x5c, 0x82, 0x88, 0x24, 0xdf, 0x1c,
0xfd, 0xef, 0xb4, 0xbc, 0xb7, 0x2f, 0x36, 0xf7, 0x2b, 0xb2, 0xcc, 0x14, 0x69, 0x63,
0xcc, 0x89, 0xd2, 0x74, 0x3f, 0xd1, 0x98, 0xa3, 0x81, 0x83, 0x30, 0x81, 0x80, 0x30,
0x0c, 0x06, 0x03, 0x55, 0x1d, 0x13, 0x01, 0x01, 0xff, 0x04, 0x02, 0x30, 0x00, 0x30,
0x0e, 0x06, 0x03, 0x55, 0x1d, 0x0f, 0x01, 0x01, 0xff, 0x04, 0x04, 0x03, 0x02, 0x07,
0x80, 0x30, 0x20, 0x06, 0x03, 0x55, 0x1d, 0x25, 0x01, 0x01, 0xff, 0x04, 0x16, 0x30,
0x14, 0x06, 0x08, 0x2b, 0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x02, 0x06, 0x08, 0x2b,
0x06, 0x01, 0x05, 0x05, 0x07, 0x03, 0x01, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e,
0x04, 0x16, 0x04, 0x14, 0x9c, 0xe7, 0xd9, 0xa8, 0x6b, 0xf8, 0x71, 0xfa, 0x08, 0x10,
0xa3, 0xf2, 0x3a, 0x95, 0x30, 0xb1, 0x9e, 0xae, 0xc4, 0x2c, 0x30, 0x1f, 0x06, 0x03,
0x55, 0x1d, 0x23, 0x04, 0x18, 0x30, 0x16, 0x80, 0x14, 0xdf, 0xfb, 0x79, 0xf1, 0x2b,
0xbf, 0x68, 0x18, 0x59, 0x7f, 0xf7, 0xe8, 0xaf, 0x88, 0x91, 0x1c, 0x72, 0x32, 0xf7,
0x52,
];
pub const ASN1_OUTPUT_TXT_IN_DN: [u8; 429] = [
0x30, 0x82, 0x01, 0xa9, 0xa0, 0x03, 0x02, 0x01, 0x02, 0x02, 0x01, 0x01, 0x30, 0x0a,
0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x04, 0x03, 0x02, 0x30, 0x56, 0x31, 0x0b,
0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x0f, 0x30,
0x0d, 0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x06, 0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65,
0x31, 0x14, 0x30, 0x12, 0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x0b, 0x4d, 0x61, 0x74,
0x74, 0x65, 0x72, 0x20, 0x52, 0x6f, 0x6f, 0x74, 0x31, 0x20, 0x30, 0x1e, 0x06, 0x0a,
0x2b, 0x06, 0x01, 0x04, 0x01, 0x82, 0xa2, 0x7c, 0x01, 0x04, 0x0c, 0x10, 0x46, 0x46,
0x46, 0x46, 0x46, 0x46, 0x46, 0x45, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x31,
0x30, 0x20, 0x17, 0x0d, 0x32, 0x31, 0x31, 0x32, 0x30, 0x38, 0x32, 0x30, 0x33, 0x30,
0x35, 0x35, 0x5a, 0x18, 0x0f, 0x32, 0x31, 0x32, 0x31, 0x31, 0x32, 0x30, 0x38, 0x32,
0x30, 0x33, 0x30, 0x35, 0x35, 0x5a, 0x30, 0x56, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03,
0x55, 0x04, 0x06, 0x13, 0x02, 0x55, 0x53, 0x31, 0x0f, 0x30, 0x0d, 0x06, 0x03, 0x55,
0x04, 0x0a, 0x0c, 0x06, 0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x31, 0x14, 0x30, 0x12,
0x06, 0x03, 0x55, 0x04, 0x03, 0x0c, 0x0b, 0x4d, 0x61, 0x74, 0x74, 0x65, 0x72, 0x20,
0x52, 0x6f, 0x6f, 0x74, 0x31, 0x20, 0x30, 0x1e, 0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04,
0x01, 0x82, 0xa2, 0x7c, 0x01, 0x04, 0x0c, 0x10, 0x46, 0x46, 0x46, 0x46, 0x46, 0x46,
0x46, 0x45, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x30, 0x31, 0x30, 0x59, 0x30, 0x13,
0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02, 0x01, 0x06, 0x08, 0x2a, 0x86, 0x48,
0xce, 0x3d, 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04, 0x5b, 0x37, 0xdf, 0x65, 0x49,
0xc2, 0x0d, 0xc8, 0xd7, 0x22, 0xa6, 0xb8, 0xac, 0xb6, 0x60, 0xa8, 0xa7, 0x64, 0xce,
0x7b, 0xaf, 0x6c, 0x6c, 0x22, 0x4f, 0x7e, 0xe8, 0x43, 0x49, 0x68, 0x4a, 0xd7, 0xd8,
0x09, 0xff, 0x65, 0x00, 0x33, 0xd1, 0x52, 0x7d, 0xcf, 0x1f, 0xba, 0xac, 0x6a, 0x9c,
0x3a, 0xd8, 0xb4, 0x1e, 0xda, 0xc9, 0x09, 0xf7, 0xb5, 0xc7, 0x60, 0xfd, 0x54, 0x2c,
0x89, 0x23, 0x75, 0xa3, 0x66, 0x30, 0x64, 0x30, 0x12, 0x06, 0x03, 0x55, 0x1d, 0x13,
0x01, 0x01, 0xff, 0x04, 0x08, 0x30, 0x06, 0x01, 0x01, 0xff, 0x02, 0x01, 0x01, 0x30,
0x0e, 0x06, 0x03, 0x55, 0x1d, 0x0f, 0x01, 0x01, 0xff, 0x04, 0x04, 0x03, 0x02, 0x01,
0x06, 0x30, 0x1d, 0x06, 0x03, 0x55, 0x1d, 0x0e, 0x04, 0x16, 0x04, 0x14, 0x72, 0xc2,
0x01, 0xf7, 0x57, 0x19, 0x13, 0xb3, 0x48, 0xca, 0x00, 0xca, 0x7b, 0x45, 0xf4, 0x77,
0x46, 0x68, 0xc9, 0x7e, 0x30, 0x1f, 0x06, 0x03, 0x55, 0x1d, 0x23, 0x04, 0x18, 0x30,
0x16, 0x80, 0x14, 0x72, 0xc2, 0x01, 0xf7, 0x57, 0x19, 0x13, 0xb3, 0x48, 0xca, 0x00,
0xca, 0x7b, 0x45, 0xf4, 0x77, 0x46, 0x68, 0xc9, 0x7e,
];
}
}