| //! Certificate tests |
| |
| use der::{ |
| asn1::{BitStringRef, ContextSpecific, ObjectIdentifier, UIntRef}, |
| Decode, DecodeValue, Encode, FixedTag, Header, Reader, Tag, Tagged, |
| }; |
| use hex_literal::hex; |
| use spki::AlgorithmIdentifier; |
| use x509_cert::Certificate; |
| use x509_cert::*; |
| |
| // TODO - parse and compare extension values |
| const EXTENSIONS: &[(&str, bool)] = &[ |
| ("2.5.29.15", true), |
| ("2.5.29.19", true), |
| ("2.5.29.33", false), |
| ("2.5.29.32", false), |
| ("2.5.29.14", false), |
| ("2.5.29.31", false), |
| ("1.3.6.1.5.5.7.1.11", false), |
| ("1.3.6.1.5.5.7.1.1", false), |
| ("2.5.29.54", false), |
| ("2.5.29.35", false), |
| ]; |
| |
| ///Structure supporting deferred decoding of fields in the Certificate SEQUENCE |
| pub struct DeferDecodeCertificate<'a> { |
| /// tbsCertificate TBSCertificate, |
| pub tbs_certificate: &'a [u8], |
| /// signatureAlgorithm AlgorithmIdentifier, |
| pub signature_algorithm: &'a [u8], |
| /// signature BIT STRING |
| pub signature: &'a [u8], |
| } |
| |
| impl<'a> DecodeValue<'a> for DeferDecodeCertificate<'a> { |
| fn decode_value<R: Reader<'a>>( |
| reader: &mut R, |
| header: Header, |
| ) -> der::Result<DeferDecodeCertificate<'a>> { |
| reader.read_nested(header.length, |reader| { |
| Ok(Self { |
| tbs_certificate: reader.tlv_bytes()?, |
| signature_algorithm: reader.tlv_bytes()?, |
| signature: reader.tlv_bytes()?, |
| }) |
| }) |
| } |
| } |
| |
| impl FixedTag for DeferDecodeCertificate<'_> { |
| const TAG: Tag = Tag::Sequence; |
| } |
| |
| ///Structure supporting deferred decoding of fields in the TBSCertificate SEQUENCE |
| pub struct DeferDecodeTbsCertificate<'a> { |
| /// Decoded field |
| pub version: u8, |
| /// Defer decoded field |
| pub serial_number: &'a [u8], |
| /// Defer decoded field |
| pub signature: &'a [u8], |
| /// Defer decoded field |
| pub issuer: &'a [u8], |
| /// Defer decoded field |
| pub validity: &'a [u8], |
| /// Defer decoded field |
| pub subject: &'a [u8], |
| /// Defer decoded field |
| pub subject_public_key_info: &'a [u8], |
| /// Decoded field (never present) |
| pub issuer_unique_id: Option<BitStringRef<'a>>, |
| /// Decoded field (never present) |
| pub subject_unique_id: Option<BitStringRef<'a>>, |
| /// Defer decoded field |
| pub extensions: &'a [u8], |
| } |
| |
| impl<'a> DecodeValue<'a> for DeferDecodeTbsCertificate<'a> { |
| fn decode_value<R: Reader<'a>>( |
| reader: &mut R, |
| header: Header, |
| ) -> der::Result<DeferDecodeTbsCertificate<'a>> { |
| reader.read_nested(header.length, |reader| { |
| let version = ContextSpecific::decode_explicit(reader, ::der::TagNumber::N0)? |
| .map(|cs| cs.value) |
| .unwrap_or_else(Default::default); |
| |
| Ok(Self { |
| version, |
| serial_number: reader.tlv_bytes()?, |
| signature: reader.tlv_bytes()?, |
| issuer: reader.tlv_bytes()?, |
| validity: reader.tlv_bytes()?, |
| subject: reader.tlv_bytes()?, |
| subject_public_key_info: reader.tlv_bytes()?, |
| issuer_unique_id: reader.decode()?, |
| subject_unique_id: reader.decode()?, |
| extensions: reader.tlv_bytes()?, |
| }) |
| }) |
| } |
| } |
| |
| impl FixedTag for DeferDecodeTbsCertificate<'_> { |
| const TAG: Tag = Tag::Sequence; |
| } |
| |
| #[test] |
| fn reencode_cert() { |
| let der_encoded_cert = |
| include_bytes!("examples/026EDA6FA1EDFA8C253936C75B5EEBD954BFF452.fake.der"); |
| let defer_cert = DeferDecodeCertificate::from_der(der_encoded_cert).unwrap(); |
| |
| let parsed_tbs = TbsCertificate::from_der(defer_cert.tbs_certificate).unwrap(); |
| let reencoded_tbs = parsed_tbs.to_vec().unwrap(); |
| assert_eq!(defer_cert.tbs_certificate, reencoded_tbs); |
| |
| let parsed_sigalg = AlgorithmIdentifier::from_der(defer_cert.signature_algorithm).unwrap(); |
| let reencoded_sigalg = parsed_sigalg.to_vec().unwrap(); |
| assert_eq!(defer_cert.signature_algorithm, reencoded_sigalg); |
| |
| let parsed_sig = BitStringRef::from_der(defer_cert.signature).unwrap(); |
| let reencoded_sig = parsed_sig.to_vec().unwrap(); |
| assert_eq!(defer_cert.signature, reencoded_sig); |
| |
| let parsed_coverage_tbs = |
| DeferDecodeTbsCertificate::from_der(defer_cert.tbs_certificate).unwrap(); |
| |
| // TODO - defer decode then re-encode version field |
| |
| let encoded_serial = parsed_tbs.serial_number.to_vec().unwrap(); |
| assert_eq!(parsed_coverage_tbs.serial_number, encoded_serial); |
| |
| let encoded_signature = parsed_tbs.signature.to_vec().unwrap(); |
| assert_eq!(parsed_coverage_tbs.signature, encoded_signature); |
| |
| let encoded_issuer = parsed_tbs.issuer.to_vec().unwrap(); |
| assert_eq!(parsed_coverage_tbs.issuer, encoded_issuer); |
| |
| let encoded_validity = parsed_tbs.validity.to_vec().unwrap(); |
| assert_eq!(parsed_coverage_tbs.validity, encoded_validity); |
| |
| let encoded_subject = parsed_tbs.subject.to_vec().unwrap(); |
| assert_eq!(parsed_coverage_tbs.subject, encoded_subject); |
| |
| let encoded_subject_public_key_info = parsed_tbs.subject_public_key_info.to_vec().unwrap(); |
| assert_eq!( |
| parsed_coverage_tbs.subject_public_key_info, |
| encoded_subject_public_key_info |
| ); |
| |
| // TODO - either encode as context specific or decode to sequence. for know lop off context |
| // specific tag and length |
| let encoded_extensions = parsed_tbs.extensions.to_vec().unwrap(); |
| assert_eq!(&parsed_coverage_tbs.extensions[4..], encoded_extensions); |
| } |
| |
| #[test] |
| fn decode_oversized_oids() { |
| let o1parse = ObjectIdentifier::from_der(&hex!( |
| "06252B060104018237150885C8B86B87AFF00383A99F3C96C34081ADE6494D82B0E91D85B2873D" |
| )) |
| .unwrap(); |
| let o1str = o1parse.to_string(); |
| assert_eq!( |
| o1str, |
| "1.3.6.1.4.1.311.21.8.11672683.15464451.6967228.369088.2847561.77.4994205.11305917" |
| ); |
| let o1 = ObjectIdentifier::new_unwrap( |
| "1.3.6.1.4.1.311.21.8.11672683.15464451.6967228.369088.2847561.77.4994205.11305917", |
| ); |
| assert_eq!( |
| o1.to_string(), |
| "1.3.6.1.4.1.311.21.8.11672683.15464451.6967228.369088.2847561.77.4994205.11305917" |
| ); |
| let enc_oid = o1.to_vec().unwrap(); |
| assert_eq!( |
| &hex!("06252B060104018237150885C8B86B87AFF00383A99F3C96C34081ADE6494D82B0E91D85B2873D"), |
| enc_oid.as_slice() |
| ); |
| } |
| |
| #[test] |
| fn decode_cert() { |
| // cloned cert with variety of interesting bits, including subject DN encoded backwards, large |
| // policy mapping set, large policy set (including one with qualifiers), fairly typical set of |
| // extensions otherwise |
| let der_encoded_cert = |
| include_bytes!("examples/026EDA6FA1EDFA8C253936C75B5EEBD954BFF452.fake.der"); |
| let result = Certificate::from_der(der_encoded_cert); |
| let cert: Certificate = result.unwrap(); |
| println!("{:?}", cert); |
| let exts = cert.tbs_certificate.extensions.unwrap(); |
| for (ext, (oid, crit)) in exts.iter().zip(EXTENSIONS) { |
| assert_eq!(ext.extn_id.to_string(), *oid); |
| assert_eq!(ext.critical, *crit); |
| } |
| |
| let result = Certificate::from_der(der_encoded_cert); |
| let cert: Certificate = result.unwrap(); |
| |
| assert_eq!(cert.tbs_certificate.version, Version::V3); |
| let target_serial: [u8; 16] = [ |
| 0x7F, 0x00, 0x00, 0x01, 0x00, 0x00, 0x01, 0x49, 0xCF, 0x70, 0x66, 0x4D, 0x00, 0x00, 0x00, |
| 0x02, |
| ]; |
| assert_eq!( |
| cert.tbs_certificate.serial_number, |
| UIntRef::new(&target_serial).unwrap() |
| ); |
| assert_eq!( |
| cert.tbs_certificate.signature.oid.to_string(), |
| "1.2.840.113549.1.1.11" |
| ); |
| assert_eq!( |
| cert.tbs_certificate.signature.parameters.unwrap().tag(), |
| Tag::Null |
| ); |
| assert_eq!( |
| cert.tbs_certificate.signature.parameters.unwrap().is_null(), |
| true |
| ); |
| |
| let mut counter = 0; |
| let i = cert.tbs_certificate.issuer.0.iter(); |
| for rdn in i { |
| let i1 = rdn.0.iter(); |
| for atav in i1 { |
| if 0 == counter { |
| assert_eq!(atav.oid.to_string(), "2.5.4.6"); |
| assert_eq!(atav.value.printable_string().unwrap().to_string(), "US"); |
| } else if 1 == counter { |
| assert_eq!(atav.oid.to_string(), "2.5.4.10"); |
| assert_eq!(atav.value.printable_string().unwrap().to_string(), "Mock"); |
| } else if 2 == counter { |
| assert_eq!(atav.oid.to_string(), "2.5.4.10"); |
| assert_eq!( |
| atav.value.utf8_string().unwrap().to_string(), |
| "IdenTrust Services LLC" |
| ); |
| } else if 3 == counter { |
| assert_eq!(atav.oid.to_string(), "2.5.4.3"); |
| assert_eq!( |
| atav.value.utf8_string().unwrap().to_string(), |
| "PTE IdenTrust Global Common Root CA 1" |
| ); |
| } |
| counter += 1; |
| } |
| } |
| |
| assert_eq!( |
| cert.tbs_certificate |
| .validity |
| .not_before |
| .to_unix_duration() |
| .as_secs(), |
| 1416524490 |
| ); |
| assert_eq!( |
| cert.tbs_certificate |
| .validity |
| .not_after |
| .to_unix_duration() |
| .as_secs(), |
| 1516628593 |
| ); |
| |
| counter = 0; |
| let i = cert.tbs_certificate.subject.0.iter(); |
| for rdn in i { |
| let i1 = rdn.0.iter(); |
| for atav in i1 { |
| // Yes, this cert features RDNs encoded in reverse order |
| if 0 == counter { |
| assert_eq!(atav.oid.to_string(), "2.5.4.3"); |
| assert_eq!( |
| atav.value.printable_string().unwrap().to_string(), |
| "Test Federal Bridge CA" |
| ); |
| } else if 1 == counter { |
| assert_eq!(atav.oid.to_string(), "2.5.4.11"); |
| assert_eq!( |
| atav.value.printable_string().unwrap().to_string(), |
| "TestFPKI" |
| ); |
| } else if 2 == counter { |
| assert_eq!(atav.oid.to_string(), "2.5.4.10"); |
| assert_eq!( |
| atav.value.printable_string().unwrap().to_string(), |
| "U.S. Government" |
| ); |
| } else if 3 == counter { |
| assert_eq!(atav.oid.to_string(), "2.5.4.6"); |
| assert_eq!(atav.value.printable_string().unwrap().to_string(), "US"); |
| } |
| counter += 1; |
| } |
| } |
| |
| assert_eq!( |
| cert.tbs_certificate |
| .subject_public_key_info |
| .algorithm |
| .oid |
| .to_string(), |
| "1.2.840.113549.1.1.1" |
| ); |
| assert_eq!( |
| cert.tbs_certificate |
| .subject_public_key_info |
| .algorithm |
| .parameters |
| .unwrap() |
| .tag(), |
| Tag::Null |
| ); |
| assert_eq!( |
| cert.tbs_certificate |
| .subject_public_key_info |
| .algorithm |
| .parameters |
| .unwrap() |
| .is_null(), |
| true |
| ); |
| |
| // TODO - parse and compare public key |
| |
| let exts = cert.tbs_certificate.extensions.unwrap(); |
| for (ext, (oid, crit)) in exts.iter().zip(EXTENSIONS) { |
| assert_eq!(ext.extn_id.to_string(), *oid); |
| assert_eq!(ext.critical, *crit); |
| } |
| |
| assert_eq!( |
| cert.signature_algorithm.oid.to_string(), |
| "1.2.840.113549.1.1.11" |
| ); |
| assert_eq!( |
| cert.signature_algorithm.parameters.unwrap().tag(), |
| Tag::Null |
| ); |
| assert_eq!(cert.signature_algorithm.parameters.unwrap().is_null(), true); |
| |
| assert_eq!( |
| &hex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|
| cert.signature.raw_bytes() |
| ); |
| } |
