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tlv_tool: Make provision to dump ASN1 representation of certificates

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This commit is contained in:
Kedar Sovani 2023-01-21 19:50:29 +05:30
parent e6709aab18
commit cf72862d20
1 changed files with 11 additions and 1 deletions
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12
tools/tlv_tool/src/main.rs
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@ -47,7 +47,12 @@ fn main() {
.arg( .arg(
Arg::with_name("cert") Arg::with_name("cert")
.long("cert") .long("cert")
.help("The input is a Matter-encoded Certificate"), .help("Decode a Matter-encoded Certificate"),
)
.arg(
Arg::with_name("as-asn1")
.long("as-asn1")
.help("Decode a Matter-encoded Certificate and encode as ASN1"),
) )
.arg(Arg::with_name("tlvs").help("List of TLVs").required(true)) .arg(Arg::with_name("tlvs").help("List of TLVs").required(true))
.get_matches(); .get_matches();
@ -88,6 +93,11 @@ fn main() {
if m.is_present("cert") { if m.is_present("cert") {
let cert = cert::Cert::new(&tlv_list[..index]).unwrap(); let cert = cert::Cert::new(&tlv_list[..index]).unwrap();
println!("{}", cert); println!("{}", cert);
} else if m.is_present("as-asn1") {
let mut asn1_cert = [0_u8; 1024];
let cert = cert::Cert::new(&tlv_list[..index]).unwrap();
let len = cert.as_asn1(&mut asn1_cert).unwrap();
println!("{:02x?}", &asn1_cert[..len]);
} else { } else {
tlv::print_tlv_list(&tlv_list[..index]); tlv::print_tlv_list(&tlv_list[..index]);
} }