Certificate/pkey generation & PEM export

Required quite a lot of refactoring

1 files changed, 517 insertions, 0 deletions

diff --git a/src/x509/mod.rs b/src/x509/mod.rs
new file mode 100755
index 00000000..06ae4b27
--- /dev/null
+++ b/src/x509/mod.rs
@@ -0,0 +1,517 @@
+use libc::{c_int, c_long, c_uint};
+use std::mem;
+use std::ptr;
+
+use asn1;
+use bio::{MemBio};
+use crypto::hash::{HashType, evpmd, SHA1};
+use crypto::pkey::{PKey};
+use crypto::rand::rand_bytes;
+use ssl::error::{SslError, StreamError};
+
+
+#[repr(i32)]
+pub enum X509FileType {
+    PEM = ffi::X509_FILETYPE_PEM,
+    ASN1 = ffi::X509_FILETYPE_ASN1,
+    Default = ffi::X509_FILETYPE_DEFAULT
+}
+pub struct X509StoreContext {
+    ctx: *mut ffi::X509_STORE_CTX
+}
+
+impl X509StoreContext {
+    pub fn new(ctx: *mut ffi::X509_STORE_CTX) -> X509StoreContext {
+        X509StoreContext {
+            ctx: ctx
+        }
+    }
+
+    pub fn get_error(&self) -> Option<X509ValidationError> {
+        let err = unsafe { ffi::X509_STORE_CTX_get_error(self.ctx) };
+        X509ValidationError::from_raw(err)
+    }
+
+    pub fn get_current_cert<'a>(&'a self) -> Option<X509<'a>> {
+        let ptr = unsafe { ffi::X509_STORE_CTX_get_current_cert(self.ctx) };
+
+        if ptr.is_null() {
+            None
+        } else {
+            Some(X509 { ctx: Some(self), x509: ptr })
+        }
+    }
+}
+
+trait AsStr<'a> {
+    fn as_str(&self) -> &'a str;
+}
+
+#[deriving(Clone)]
+pub enum KeyUsage {
+    DigitalSignature,
+    NonRepudiation,
+    KeyEncipherment,
+    DataEncipherment,
+    KeyAgreement,
+    KeyCertSign,
+    CRLSign,
+    EncipherOnly,
+    DecipherOnly
+}
+
+impl AsStr<'static> for KeyUsage {
+    fn as_str(&self) -> &'static str {
+        match self {
+            &DigitalSignature => "digitalSignature",
+            &NonRepudiation => "nonRepudiation",
+            &KeyEncipherment => "keyEncipherment",
+            &DataEncipherment => "dataEncipherment",
+            &KeyAgreement => "keyAgreement",
+            &KeyCertSign => "keyCertSign",
+            &CRLSign => "cRLSign",
+            &EncipherOnly => "encipherOnly",
+            &DecipherOnly => "decipherOnly"
+        }
+    }
+}
+
+
+#[deriving(Clone)]
+pub enum ExtKeyUsage {
+    ServerAuth,
+    ClientAuth,
+    CodeSigning,
+    EmailProtection,
+    TimeStamping,
+    MsCodeInd,
+    MsCodeCom,
+    MsCtlSign,
+    MsSgc,
+    MsEfs,
+    NsSgc
+}
+
+impl AsStr<'static> for ExtKeyUsage {
+    fn as_str(&self) -> &'static str {
+        match self {
+            &ServerAuth => "serverAuth",
+            &ClientAuth => "clientAuth",
+            &CodeSigning => "codeSigning",
+            &EmailProtection => "emailProtection",
+            &TimeStamping => "timeStamping",
+            &MsCodeInd => "msCodeInd",
+            &MsCodeCom => "msCodeCom",
+            &MsCtlSign => "msCTLSign",
+            &MsSgc => "msSGC",
+            &MsEfs => "msEFS",
+            &NsSgc =>"nsSGC"
+        }
+    }
+}
+
+
+// FIXME: a dirty hack as there is no way to
+// implement ToString for Vec as both are defined
+// in another crate
+trait ToStr {
+    fn to_str(&self) -> String;
+}
+
+impl<'a, T: AsStr<'a>> ToStr for Vec<T> {
+    fn to_str(&self) -> String {
+        self.iter().enumerate().fold(String::new(), |mut acc, (idx, v)| {
+            if idx > 0 { acc.push_char(',') };
+            acc.push_str(v.as_str());
+            acc
+        })
+    }
+}
+
+#[allow(non_snake_case)]
+pub struct X509Generator {
+    bits: uint,
+    days: uint,
+    CN: String,
+    key_usage: Vec<KeyUsage>,
+    ext_key_usage: Vec<ExtKeyUsage>,
+    hash_type: HashType,
+}
+
+impl X509Generator {
+    pub fn new() -> X509Generator {
+        X509Generator {
+            bits: 1024,
+            days: 365,
+            CN: "rust-openssl".to_string(),
+            key_usage: Vec::new(),
+            ext_key_usage: Vec::new(),
+            hash_type: SHA1
+        }
+    }
+
+    pub fn set_bitlength(mut self, bits: uint) -> X509Generator {
+        self.bits = bits;
+        self
+    }
+
+    pub fn set_valid_period(mut self, days: uint) -> X509Generator {
+        self.days = days;
+        self
+    }
+
+    #[allow(non_snake_case)]
+    pub fn set_CN(mut self, CN: &str) -> X509Generator {
+        self.CN = CN.to_string();
+        self
+    }
+
+    pub fn set_usage(mut self, purposes: &[KeyUsage]) -> X509Generator {
+        self.key_usage = purposes.to_vec();
+        self
+    }
+
+    pub fn set_ext_usage(mut self, purposes: &[ExtKeyUsage]) -> X509Generator {
+        self.ext_key_usage = purposes.to_vec();
+        self
+    }
+
+    pub fn set_sign_hash(mut self, hash_type: HashType) -> X509Generator {
+        self.hash_type = hash_type;
+        self
+    }
+
+    fn add_extension(x509: *mut ffi::X509, extension: c_int, value: &str) -> Result<(), SslError> {
+        unsafe {
+            // FIXME: RAII
+            let ctx: ffi::X509V3_CTX = mem::zeroed();
+            ffi::X509V3_set_ctx(mem::transmute(&ctx), x509, x509,
+                                ptr::null_mut(), ptr::null_mut(), 0);
+            let ext = value.with_c_str(|value|
+                                       ffi::X509V3_EXT_conf_nid(ptr::null_mut(), mem::transmute(&ctx), extension, mem::transmute(value)));
+            try_ssl_null!(ext);
+            try_ssl!(ffi::X509_add_ext(x509, ext, -1));
+            ffi::X509_EXTENSION_free(ext);
+            Ok(())
+        }
+    }
+
+    fn add_name(name: *mut ffi::X509_NAME, key: &str, value: &str) -> Result<(), SslError> {
+        let value_len = value.len() as c_int;
+        lift_ssl!(key.with_c_str(|key| {
+            value.with_c_str(|value| unsafe {
+                    ffi::X509_NAME_add_entry_by_txt(name, key, asn1::ffi::MBSTRING_UTF8,
+                                                    value, value_len, -1, 0)
+            })
+        }))
+    }
+
+    fn random_serial() -> c_long {
+        let len = mem::size_of::<c_long>();
+        let bytes = rand_bytes(len);
+        let mut res = 0;
+        for b in bytes.iter() {
+            res = res << 8;
+            res |= (*b as c_long) & 0xff;
+        }
+        res
+    }
+
+    pub fn generate<'a>(&self) -> Result<(X509<'a>, PKey), SslError> {
+        let mut p_key = PKey::new();
+        p_key.gen(self.bits);
+
+        // FIXME: all allocated resources should be correctly
+        // dropped in case of failure
+        unsafe {
+            let x509 = ffi::X509_new();
+            try_ssl_null!(x509);
+            try_ssl!(ffi::X509_set_version(x509, 2));
+            try_ssl!(asn1::ffi::ASN1_INTEGER_set(ffi::X509_get_serialNumber(x509), X509Generator::random_serial()));
+
+            let not_before = ffi::X509_gmtime_adj(ptr::null_mut(), 0);
+            try_ssl_null!(not_before);
+
+            let not_after = ffi::X509_gmtime_adj(ptr::null_mut(), 60*60*24*self.days as i64);
+            try_ssl_null!(not_after);
+
+            try_ssl!(ffi::X509_set_notBefore(x509, mem::transmute(not_before)));
+            try_ssl!(ffi::X509_set_notAfter(x509, mem::transmute(not_after)));
+
+            try_ssl!(ffi::X509_set_pubkey(x509, p_key.get_handle()));
+
+            let name = ffi::X509_get_subject_name(x509);
+            try_ssl_null!(name);
+
+            try!(X509Generator::add_name(name, "CN", self.CN.as_slice()));
+            ffi::X509_set_issuer_name(x509, name);
+
+            if self.key_usage.len() > 0 {
+                try!(X509Generator::add_extension(x509, ffi::NID_key_usage,
+                                                  self.key_usage.to_str().as_slice()));
+            }
+
+            if self.ext_key_usage.len() > 0 {
+                try!(X509Generator::add_extension(x509, ffi::NID_ext_key_usage,
+                                                  self.ext_key_usage.to_str().as_slice()));
+            }
+
+            let (hash_fn, _) = evpmd(self.hash_type);
+            try_ssl!(ffi::X509_sign(x509, p_key.get_handle(), hash_fn));
+            Ok((X509 { x509: x509, ctx: None }, p_key))
+        }
+    }
+}
+
+#[allow(dead_code)]
+/// A public key certificate
+pub struct X509<'ctx> {
+    ctx: Option<&'ctx X509StoreContext>,
+    x509: *mut ffi::X509
+}
+
+impl<'ctx> X509<'ctx> {
+    pub fn subject_name<'a>(&'a self) -> X509Name<'a> {
+        let name = unsafe { ffi::X509_get_subject_name(self.x509) };
+        X509Name { x509: self, name: name }
+    }
+
+    /// Returns certificate fingerprint calculated using provided hash
+    pub fn fingerprint(&self, hash_type: HashType) -> Option<Vec<u8>> {
+        let (evp, len) = evpmd(hash_type);
+        let v: Vec<u8> = Vec::from_elem(len, 0);
+        let act_len: c_uint = 0;
+        let res = unsafe {
+            ffi::X509_digest(self.x509, evp, mem::transmute(v.as_ptr()),
+                             mem::transmute(&act_len))
+        };
+
+        match res {
+            0 => None,
+            _ => {
+                let act_len = act_len as uint;
+                match len.cmp(&act_len) {
+                    Greater => None,
+                    Equal => Some(v),
+                    Less => fail!("Fingerprint buffer was corrupted!")
+                }
+            }
+        }
+    }
+
+    /// Writes certificate as PEM
+    pub fn write_pem(&self, writer: &mut Writer) -> Result<(), SslError> {
+        let mut mem_bio = try!(MemBio::new());
+        unsafe {
+            try_ssl!(ffi::PEM_write_bio_X509(mem_bio.get_handle(),
+                                         self.x509));
+        }
+        let buf = try!(mem_bio.read_to_end().map_err(StreamError));
+        writer.write(buf.as_slice()).map_err(StreamError)
+    }
+}
+
+#[allow(dead_code)]
+pub struct X509Name<'x> {
+    x509: &'x X509<'x>,
+    name: *mut ffi::X509_NAME
+}
+
+
+pub mod ffi {
+    #![allow(non_camel_case_types)]
+    use libc::{c_void, c_int, c_char, c_ulong, c_long, c_uint};
+
+    use asn1::ffi::{ASN1_INTEGER, ASN1_TIME};
+    use bio::ffi::{BIO};
+    use crypto::hash::{EVP_MD};
+    use crypto::pkey::{EVP_PKEY};
+
+    pub type X509_STORE_CTX = c_void;
+    pub type X509 = c_void;
+    pub type X509_NAME = c_void;
+    pub type X509_CRL = c_void;
+    pub type X509_REQ = c_void;
+    pub type X509_EXTENSION = c_void;
+
+    #[repr(C)]
+    pub struct X509V3_CTX {
+        flags: c_int,
+        issuer_cert: *mut c_void,
+        subject_cert: *mut c_void,
+        subject_req: *mut c_void,
+        crl: *mut c_void,
+        db_meth: *mut c_void,
+        db: *mut c_void,
+        // I like the last comment line, it is copied from OpenSSL sources:
+        // Maybe more here
+    }
+
+    pub static X509_V_OK: c_int = 0;
+    pub static X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT: c_int = 2;
+    pub static X509_V_ERR_UNABLE_TO_GET_CRL: c_int = 3;
+    pub static X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE: c_int = 4;
+    pub static X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE: c_int = 5;
+    pub static X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY: c_int = 6;
+    pub static X509_V_ERR_CERT_SIGNATURE_FAILURE: c_int = 7;
+    pub static X509_V_ERR_CRL_SIGNATURE_FAILURE: c_int = 8;
+    pub static X509_V_ERR_CERT_NOT_YET_VALID: c_int = 9;
+    pub static X509_V_ERR_CERT_HAS_EXPIRED: c_int = 10;
+    pub static X509_V_ERR_CRL_NOT_YET_VALID: c_int = 11;
+    pub static X509_V_ERR_CRL_HAS_EXPIRED: c_int = 12;
+    pub static X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD: c_int = 13;
+    pub static X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD: c_int = 14;
+    pub static X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD: c_int = 15;
+    pub static X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD: c_int = 16;
+    pub static X509_V_ERR_OUT_OF_MEM: c_int = 17;
+    pub static X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT: c_int = 18;
+    pub static X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN: c_int = 19;
+    pub static X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY: c_int = 20;
+    pub static X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE: c_int = 21;
+    pub static X509_V_ERR_CERT_CHAIN_TOO_LONG: c_int = 22;
+    pub static X509_V_ERR_CERT_REVOKED: c_int = 23;
+    pub static X509_V_ERR_INVALID_CA: c_int = 24;
+    pub static X509_V_ERR_PATH_LENGTH_EXCEEDED: c_int = 25;
+    pub static X509_V_ERR_INVALID_PURPOSE: c_int = 26;
+    pub static X509_V_ERR_CERT_UNTRUSTED: c_int = 27;
+    pub static X509_V_ERR_CERT_REJECTED: c_int = 28;
+    pub static X509_V_ERR_SUBJECT_ISSUER_MISMATCH: c_int = 29;
+    pub static X509_V_ERR_AKID_SKID_MISMATCH: c_int = 30;
+    pub static X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH: c_int = 31;
+    pub static X509_V_ERR_KEYUSAGE_NO_CERTSIGN: c_int = 32;
+    pub static X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER: c_int = 33;
+    pub static X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION: c_int = 34;
+    pub static X509_V_ERR_KEYUSAGE_NO_CRL_SIGN: c_int = 35;
+    pub static X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION: c_int = 36;
+    pub static X509_V_ERR_INVALID_NON_CA: c_int = 37;
+    pub static X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED: c_int = 38;
+    pub static X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE: c_int = 39;
+    pub static X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED: c_int = 40;
+    pub static X509_V_ERR_INVALID_EXTENSION: c_int = 41;
+    pub static X509_V_ERR_INVALID_POLICY_EXTENSION: c_int = 42;
+    pub static X509_V_ERR_NO_EXPLICIT_POLICY: c_int = 43;
+    pub static X509_V_ERR_DIFFERENT_CRL_SCOPE: c_int = 44;
+    pub static X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE: c_int = 45;
+    pub static X509_V_ERR_UNNESTED_RESOURCE: c_int = 46;
+    pub static X509_V_ERR_PERMITTED_VIOLATION: c_int = 47;
+    pub static X509_V_ERR_EXCLUDED_VIOLATION: c_int = 48;
+    pub static X509_V_ERR_SUBTREE_MINMAX: c_int = 49;
+    pub static X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE: c_int = 51;
+    pub static X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX: c_int = 52;
+    pub static X509_V_ERR_UNSUPPORTED_NAME_SYNTAX: c_int = 53;
+    pub static X509_V_ERR_CRL_PATH_VALIDATION_ERROR: c_int = 54;
+    pub static X509_V_ERR_APPLICATION_VERIFICATION: c_int = 50;
+
+    pub static X509_FILETYPE_PEM: c_int = 1;
+    pub static X509_FILETYPE_ASN1: c_int = 2;
+    pub static X509_FILETYPE_DEFAULT: c_int = 3;
+
+    pub static NID_key_usage:     c_int = 83;
+    pub static NID_ext_key_usage: c_int = 126;
+
+
+
+    extern "C" {
+        pub fn X509_STORE_CTX_get_ex_data(ctx: *mut X509_STORE_CTX, idx: c_int) -> *mut c_void;
+        pub fn X509_STORE_CTX_get_current_cert(ct: *mut X509_STORE_CTX) -> *mut X509;
+        pub fn X509_STORE_CTX_get_error(ctx: *mut X509_STORE_CTX) -> c_int;
+
+        pub fn X509_add_ext(x: *mut X509, ext: *mut X509_EXTENSION, loc: c_int) -> c_int;
+        pub fn X509_digest(x: *mut X509, digest: *const EVP_MD, buf: *mut c_char, len: *mut c_uint) -> c_int;
+        pub fn X509_get_serialNumber(x: *mut X509) -> *mut ASN1_INTEGER;
+        pub fn X509_get_subject_name(x: *mut X509) -> *mut X509_NAME;
+        pub fn X509_gmtime_adj(time: *mut ASN1_TIME, adj: c_long) -> *mut ASN1_TIME;
+        pub fn X509_new() -> *mut X509;
+        pub fn X509_set_issuer_name(x: *mut X509, name: *mut X509_NAME) -> c_int;
+        pub fn X509_set_notAfter(x: *mut X509, tm: *const ASN1_TIME) -> c_int;
+        pub fn X509_set_notBefore(x: *mut X509, tm: *const ASN1_TIME) -> c_int;
+        pub fn X509_set_version(x: *mut X509, version: c_ulong) -> c_int;
+        pub fn X509_set_pubkey(x: *mut X509, pkey: *mut EVP_PKEY) -> c_int;
+        pub fn X509_sign(x: *mut X509, pkey: *mut EVP_PKEY, md: *const EVP_MD) -> c_int;
+
+        pub fn X509_NAME_add_entry_by_txt(x: *mut X509, field: *const c_char, ty: c_int, bytes: *const c_char, len: c_int, loc: c_int, set: c_int) -> c_int;
+
+        pub fn X509V3_EXT_conf_nid(conf: *mut c_void, ctx: *mut X509V3_CTX, ext_nid: c_int, value: *mut c_char) -> *mut X509_EXTENSION;
+        pub fn X509V3_set_ctx(ctx: *mut X509V3_CTX, issuer: *mut X509, subject: *mut X509, req: *mut X509_REQ, crl: *mut X509_CRL, flags: c_int);
+
+        pub fn X509_EXTENSION_free(ext: *mut X509_EXTENSION);
+
+        pub fn PEM_write_bio_X509(bio: *mut BIO, x509: *mut X509) -> c_int;
+    }
+}
+
+macro_rules! make_validation_error(
+    ($ok_val:ident, $($name:ident = $val:ident,)+) => (
+        pub enum X509ValidationError {
+            $($name,)+
+            X509UnknownError(c_int)
+        }
+
+        impl X509ValidationError {
+            #[doc(hidden)]
+            pub fn from_raw(err: c_int) -> Option<X509ValidationError> {
+                match err {
+                    self::ffi::$ok_val => None,
+                    $(self::ffi::$val => Some($name),)+
+                    err => Some(X509UnknownError(err))
+                }
+            }
+        }
+    )
+)
+
+make_validation_error!(X509_V_OK,
+    X509UnableToGetIssuerCert = X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT,
+    X509UnableToGetCrl = X509_V_ERR_UNABLE_TO_GET_CRL,
+    X509UnableToDecryptCertSignature = X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE,
+    X509UnableToDecryptCrlSignature = X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE,
+    X509UnableToDecodeIssuerPublicKey = X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY,
+    X509CertSignatureFailure = X509_V_ERR_CERT_SIGNATURE_FAILURE,
+    X509CrlSignatureFailure = X509_V_ERR_CRL_SIGNATURE_FAILURE,
+    X509CertNotYetValid = X509_V_ERR_CERT_NOT_YET_VALID,
+    X509CertHasExpired = X509_V_ERR_CERT_HAS_EXPIRED,
+    X509CrlNotYetValid = X509_V_ERR_CRL_NOT_YET_VALID,
+    X509CrlHasExpired = X509_V_ERR_CRL_HAS_EXPIRED,
+    X509ErrorInCertNotBeforeField = X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD,
+    X509ErrorInCertNotAfterField = X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD,
+    X509ErrorInCrlLastUpdateField = X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD,
+    X509ErrorInCrlNextUpdateField = X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD,
+    X509OutOfMem = X509_V_ERR_OUT_OF_MEM,
+    X509DepthZeroSelfSignedCert = X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT,
+    X509SelfSignedCertInChain = X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN,
+    X509UnableToGetIssuerCertLocally = X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY,
+    X509UnableToVerifyLeafSignature = X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE,
+    X509CertChainTooLong = X509_V_ERR_CERT_CHAIN_TOO_LONG,
+    X509CertRevoked = X509_V_ERR_CERT_REVOKED,
+    X509InvalidCA = X509_V_ERR_INVALID_CA,
+    X509PathLengthExceeded = X509_V_ERR_PATH_LENGTH_EXCEEDED,
+    X509InvalidPurpose = X509_V_ERR_INVALID_PURPOSE,
+    X509CertUntrusted = X509_V_ERR_CERT_UNTRUSTED,
+    X509CertRejected = X509_V_ERR_CERT_REJECTED,
+    X509SubjectIssuerMismatch = X509_V_ERR_SUBJECT_ISSUER_MISMATCH,
+    X509AkidSkidMismatch = X509_V_ERR_AKID_SKID_MISMATCH,
+    X509AkidIssuerSerialMismatch = X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH,
+    X509KeyusageNoCertsign = X509_V_ERR_KEYUSAGE_NO_CERTSIGN,
+    X509UnableToGetCrlIssuer = X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER,
+    X509UnhandledCriticalExtension = X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION,
+    X509KeyusageNoCrlSign = X509_V_ERR_KEYUSAGE_NO_CRL_SIGN,
+    X509UnhandledCriticalCrlExtension = X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION,
+    X509InvalidNonCA = X509_V_ERR_INVALID_NON_CA,
+    X509ProxyPathLengthExceeded = X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED,
+    X509KeyusageNoDigitalSignature = X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE,
+    X509ProxyCertificatesNotAllowed = X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED,
+    X509InvalidExtension = X509_V_ERR_INVALID_EXTENSION,
+    X509InavlidPolicyExtension = X509_V_ERR_INVALID_POLICY_EXTENSION,
+    X509NoExplicitPolicy = X509_V_ERR_NO_EXPLICIT_POLICY,
+    X509DifferentCrlScope = X509_V_ERR_DIFFERENT_CRL_SCOPE,
+    X509UnsupportedExtensionFeature = X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE,
+    X509UnnestedResource = X509_V_ERR_UNNESTED_RESOURCE,
+    X509PermittedVolation = X509_V_ERR_PERMITTED_VIOLATION,
+    X509ExcludedViolation = X509_V_ERR_EXCLUDED_VIOLATION,
+    X509SubtreeMinmax = X509_V_ERR_SUBTREE_MINMAX,
+    X509UnsupportedConstraintType = X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE,
+    X509UnsupportedConstraintSyntax = X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX,
+    X509UnsupportedNameSyntax = X509_V_ERR_UNSUPPORTED_NAME_SYNTAX,
+    X509CrlPathValidationError= X509_V_ERR_CRL_PATH_VALIDATION_ERROR,
+    X509ApplicationVerification = X509_V_ERR_APPLICATION_VERIFICATION,
+)