# ChangeLog
## [Unreleased][unreleased]
### Added/Changed/Fixed
### Thanks
## 0.16.0
### Added/Changed/Fixed
Global:
- Updated `*ring*` to 0.17.7 (#148)
- Updated `time` to 0.3.20 (#148)
- Updated asn1-rs to 0.6, der-parser and oid-registry
- Set MSRV to 1.63 (due to `time`/`ring`) (#148)
Code:
- Added support for parsing CRL `IssuingDistributionPoint` extensions (#146)
- Fixed lifetime signature on `TbsCertificate::subject_alt_names` function (#151)
- Fixed parsing of certificate `UniqueIdentifier` fields to use implicit tagging
instead of explicit (#145)
- Fixed `clippy::manual_try_fold` findings (#147)
### Thanks
- aggstam, Biagio Festa, Daniel McCarney
## 0.15.1
### Added/Changed/Fixed
- Attribute: fix parsing of BmpString string type to use UTF-16 (Closes #143)
- `revocation_list`: use correct OID for CRL number.
- Fix receiver lifetimes in `AttributeTypeAndValue`
### Thanks
- Sergio Benitez, Daniel McCarney, Lily Ballard
## 0.15.0
### Added/Changed/Fixed
Global:
- Use SPDX license format (#137)
- Set MSRV to 1.57 (due to `ring`/`once_cell`)
- Switch base64 decoding to `data-encoding` crate (#136)
Code:
- Add `verify` feature to verify a certificate revocation list by a public key
- Fixed CriAttributes parser (#131)
- Refactor code for parsing X509Version
- Add verify signature method to revocation list (#130)
- Add support for parsing challenge password attribute in CSR's (#129)
- Add support for multi-word PEM labels (C#135)
Docs:
- Fix broken FromDer trait link in README
### Thanks
- Bernd Krietenstein, Florian Zipperle, Jean-Baptiste Trystram, Daniel McCarney,
Jeff Hiner, Campbell He, Sebastian Dröge
## 0.14.0
### Added/Changed
- Add support for parsing signature parameters and value (closes #94)
- Change `ASN1Time::to_rfc2822()` to return a Result
- ASN1Time: modify `from_timestamp` to return a Result
- ASN1Time: implement Display
- Upgrade versions of asn1-rs, oid-registry and der-parser
- AlgorithmIdentifier: add const methods to create object/access fields
- Globally: start using `asn1-rs` types, simplify parsers:
- AlgorithmIdentifier: automatically derive struct, use type ANY
- Merge old FromDer trait into `asn1_rs::FromDer` (using X509Error)
- Replace BitStringObject with BitString
- AttributeTypeAndValue: use Any instead of DerObject
- Extensions: replace UnparsedObject with Any
- X509Error: add methods to simplify conversions
- CRI Attributes: rewrite and simplify parsers
- Simplify parsers for multiple types and extensions
### Fixed
- Fix ECDSA signature verification when CA and certificate use different curves
### Thanks
## 0.13.2
### Fixed
- Fix panic in ASN1Time::to_rfc2822() when year is less than 1900
## 0.13.1
### Fixed
- Fix regression with certificate verification for ECDSA signatures using the P-256 curve and SHA-384 (#118)
- Set minimum version of `time` to 0.3.7 (#119)
- Allow empty SEQUENCE when OPTIONAL, for ex in CRL extensions (#120)
### Thanks
- @SergioBenitez, @flavio, @acarlson0000
## 0.13.0
### Added/Changed/Fixed
Crate:
- Update to der-parser 7.0 and asn1-rs
- Remove chrono (#111)
- Set MSRV to 1.53
Validators:
- Add `Deref<Target=TbsCertificate>` trait to `X509Certificate`
- Add `Validator` trait and deprecate `Validate`
* The previous validation is implemented in `X509StructureValidator`
* Split some checks (not on structure) to `X509CertificateValidator`
Extensions:
- add support for nsComment
- add support for IssuerAltName
- start adding support for CT Signed Certificate Timestamp (rfc6962)
- raise error if a SAN entry cannot be parsed
- deprecate `TbsCertificate::find_extension()` and add preferred method `TbsCertificate::get_extension_unique()`:
the latter checks for duplicate extensions (#113)
Signatures:
- Fix signature verification for EC curves (#116)
Public Keys:
- Add base functions for parsing public keys (RSA, DSA, GOST)
### Thanks
- @lilyball, @g2p
## 0.12.0
### Added/Changed/Fixed
- Upgrade to nom 7
## 0.11.0
### Added
- Add SubjectPublicKeyInfo::raw field
### Changed/Fixed
- Fix der-parser dependency (#102)
- Update oid-registry dependency (#77)
- Set MSRV to 1.46 (indirect dependency on lexical-core and bitvec)
- Extend the lifetimes exposed on TbsCertificate (#104)
- Add missing test assets (#103)
### Thanks
- @jgalenson, @g2p, @kpp
## 0.10.0
### Added
- Add the `Validate` trait to run post-parsing validations of X.509 structure
- Add the `FromDer` trait to unify parsing methods and visibility (#85)
- Add method to format X509Name using a given registry
- Add `X509Certificate::public_key()` method
- Add ED25519 as a signature algorithm (#95)
- Add support for extensions (#86):
- CRL Distribution Points
- Add `X509CertificateParser` builder to allow specifying parsing options
### Changed/Fixed
- Extensions are now stored in order of appearance in the certificate/CRL (#80)
- `.extensions` field is not public anymore, but methods `.extensions()` and `.extensions_map()`
have been added
- Store CRI attributes in order
- Fix parsing of CertificatePolicies, and use named types (closes #82)
- Allow specifying registry in oid2sn and similar functions (closes #88)
- Mark X509Extension::new as const fn + inline
- Allow leading zeroes in serial number
- Derive `Clone` for all types (when possible) (#89)
- Fix certificate validity period check to be inclusive (#90)
- Do not fail GeneralName parsing for x400Address and ediPartyName, read it as unparsed objects (#87)
- Change visibility of fields in `X509Name` (replaced by accessors)
### Thanks
- @lilyball for numerous issues, ideas and comments
- @SergioBenitez for lifetimes fixes (#93) and validity period check fixes (#90)
- @rappet for Ed25519 signature verification support (#95)
- @xonatius for the work on CRLDistributionPoints (#96, #98)
## 0.9.3
### Added/Changed/Fixed
- Add functions oid2description() and oid_registry() (closes #79)
- Fix typo 'ocsp_signing' (closes #84)
- Extension: use specific variant if unsupported or failed to parse (closes #83)
- Relax constrains on parsing to accept certificates that do not strictly respect
DER encoding, but are widely accepted by other X.509 libraries:
- SubjectAltName: accept non-ia5string characters
- Extensions: accept boolean values not enoded as `00` or `ff`
- Serial: build BigUint from raw bytes (do not check sign)
## 0.9.2
### Added/Changed/Fixed
- Remove der-oid-macro from dependencies, not used directly
- Use der_parser::num_bigint, remove it from direct dependencies
- Add methods to iterate all blocks from a PEM file (#75)
- Update MSRV to 1.45.0
## 0.9.1
### Added/Changed/Fixed
- Fix: X509Name::iter_state_or_province OID value
- Re-export oid-registry, and add doc to show how to access OID
### Thanks
- @0xazure for fixing X509Name::iter_state_or_province
## 0.9.0
### Added/Changed/Fixed
- Upgrade to `nom` 6.0
- Upgrade to `der-parser` 5.0
- Upgrade MSRV to 1.44.0
- Re-export crates so crate users do not have to import them
- Add function parse_x509_pem and deprecate pem_to_der (#53)
- Add helper methods to X509Name and simplify accessing values
- Add support for ReasonCode extension
- Add support for InvalidityDate extension
- Add support for CRL Number extension
- Add support for Certificate Signing Request (#58)
- Change type of X509Version (now directly using the u32 value)
- X509Name: relax check, allow some non-rfc compliant strings (#50)
- Relax some constraints for invalid dates
- CRL: extract raw serial, and add methods to access it
- CRL: add method to iterate revoked certificates
- RevokedCertificate: convert extensions list to hashmap
- Refactor crate modules and visibility
- Rename top-level functions to `parse_x509_certificate` and parse_x509_crl`
- Refactor error handling, return meaningful errors when possible
- Make many more functions public (parse_tbs_certificate, etc.)
### Thanks
- Dirkjan Ochtman (@djc): support for Certificate Signing Request (CSR), code refactoring, etc.
## 0.8.0
### Added/Changed
- Upgrade to `der-parser` 4.0
- Move from `time` to `chrono`
- `time 0.1 is very old, and time 0.2 broke compatibility and cannot parse timezones
- Add public type `ASN1Time` object to abstract implementation
- *this breaks API for direct access to `not_before`, `not_after` etc.*
- Fix clippy warnings
- `nid2obj` argument is now passed by copy, not reference
- Add method to get a formatted string of the certificate serial number
- Add method to get decoded version
- Add convenience methods to access the most common fields (subject, issuer, etc.)
- Expose the raw DER of an X509Name
- Make `parse_x509_name` public, for parsing distinguished names
- Make OID objects public
- Implement parsing for some extensions
- Support for extensions is not complete, support for more types will be added later
- Add example to decode and print certificates
- Add `verify` feature to verify cryptographic signature by a public key
### Fixed
- Fix parsing of types not representable by string in X509Name (#36)
- Fix parsing of certificates with empty subject (#37)
### Thanks
- @jannschu, @g2p for the extensions parsing
- @wayofthepie for the tests and contributions
- @nicholasbishop for contributions
## 0.7.0
- Expose raw bytes of the certificate serial number
- Set edition to 2018
## 0.6.4
- Fix infinite loop when certificate has no END mark
## 0.6.3
- Fix infinite loop when reading non-pem data (#28)
## 0.6.2
- Remove debug code left in `Pem::read`
## 0.6.1
- Add CRL parser
- Expose CRL tbs bytes
- PEM: ignore lines before BEGIN label (#21)
- Fix parsing default values for TbsCertificate version field (#24)
- Use BerResult from der-parser for simpler function signatures
- Expose tbsCertificate bytes
- Upgrade dependencies (base64)
## 0.6.0
- Update to der-parser 3.0 and nom 5
- Breaks API, cleaner error types
## 0.5.1
- Add `time_to_expiration` to `Validity` object
- Add method to read a `Pem` object from `BufRead + Seek`
- Add method to `Pem` to decode and extract certificate
## 0.5.0
- Update to der-parser 2.0
## 0.4.3
- Make `parse_subject_public_key_info` public
- Add function `sn2oid` (get an OID by short name)
## 0.4.2
- Support GeneralizedTime conversion
## 0.4.1
- Fix case where certificate has no extensions
## 0.4.0
- Upgrade to der-parser 1.1, and Use num-bigint over num
- Rename x509_parser to parse_x509_der
- Do not export subparsers
- Improve documentation
## 0.3.0
- Upgrade to nom 4
## 0.2.0
- Rewrite X.509 structures and parsing code to work in one pass
**Warning: this is a breaking change**
- Add support for PEM-encoded certificates
- Add some documentation