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Diffstat (limited to 'scripts/rpki/x509.py')
| -rw-r--r-- | scripts/rpki/x509.py | 700 |
1 files changed, 0 insertions, 700 deletions
diff --git a/scripts/rpki/x509.py b/scripts/rpki/x509.py deleted file mode 100644 index c029e5f3..00000000 --- a/scripts/rpki/x509.py +++ /dev/null @@ -1,700 +0,0 @@ -# $Id$ - -# Copyright (C) 2007--2008 American Registry for Internet Numbers ("ARIN") -# -# Permission to use, copy, modify, and distribute this software for any -# purpose with or without fee is hereby granted, provided that the above -# copyright notice and this permission notice appear in all copies. -# -# THE SOFTWARE IS PROVIDED "AS IS" AND ARIN DISCLAIMS ALL WARRANTIES WITH -# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY -# AND FITNESS. IN NO EVENT SHALL ARIN BE LIABLE FOR ANY SPECIAL, DIRECT, -# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM -# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE -# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR -# PERFORMANCE OF THIS SOFTWARE. - -"""One X.509 implementation to rule them all... - -...and in the darkness hide the twisty maze of partially overlapping -X.509 support packages in Python. - -There are several existing packages, none of which do quite what I -need, due to age, lack of documentation, specialization, or lack of -foresight on somebody's part (perhaps mine). This module attempts to -bring together the functionality I need in a way that hides at least -some of the nasty details. This involves a lot of format conversion. -""" - -import POW, tlslite.api, POW.pkix, base64, time -import rpki.exceptions, rpki.resource_set, rpki.manifest, rpki.cms, rpki.oids, rpki.sundial - -def calculate_SKI(public_key_der): - """Calculate the SKI value given the DER representation of a public - key, which requires first peeling the ASN.1 wrapper off the key. - """ - k = POW.pkix.SubjectPublicKeyInfo() - k.fromString(public_key_der) - d = POW.Digest(POW.SHA1_DIGEST) - d.update(k.subjectPublicKey.get()) - return d.digest() - -class PEM_converter(object): - """Convert between DER and PEM encodings for various kinds of ASN.1 data.""" - - def __init__(self, kind): # "CERTIFICATE", "RSA PRIVATE KEY", ... - """Initialize PEM_converter.""" - self.b = "-----BEGIN %s-----" % kind - self.e = "-----END %s-----" % kind - - def looks_like_PEM(self, text): - """Guess whether text looks like a PEM encoding.""" - b = text.find(self.b) - return b >= 0 and text.find(self.e) > b + len(self.b) - - def to_DER(self, pem): - """Convert from PEM to DER.""" - lines = [line.strip() for line in pem.splitlines(0)] - while lines and lines.pop(0) != self.b: - pass - while lines and lines.pop(-1) != self.e: - pass - assert lines - return base64.b64decode("".join(lines)) - - def to_PEM(self, der): - """Convert from DER to PEM.""" - b64 = base64.b64encode(der) - pem = self.b + "\n" - while len(b64) > 64: - pem += b64[0:64] + "\n" - b64 = b64[64:] - return pem + b64 + "\n" + self.e + "\n" - -class DER_object(object): - """Virtual class to hold a generic DER object.""" - - ## Formats supported in this object - formats = ("DER",) - - ## PEM converter for this object - pem_converter = None - - ## Other attributes that self.clear() should whack - other_clear = () - - ## @var DER - ## DER value of this object - - def empty(self): - """Test whether this object is empty.""" - for a in self.formats: - if getattr(self, a, None) is not None: - return False - return True - - def clear(self): - """Make this object empty.""" - for a in self.formats + self.other_clear: - setattr(self, a, None) - - def __init__(self, **kw): - """Initialize a DER_object.""" - self.clear() - if len(kw): - self.set(**kw) - - def set(self, **kw): - """Set this object by setting one of its known formats. - - This method only allows one to set one format at a time. - Subsequent calls will clear the object first. The point of all - this is to let the object's internal converters handle mustering - the object into whatever format you need at the moment. - """ - if len(kw) == 1: - name = kw.keys()[0] - if name in self.formats: - self.clear() - setattr(self, name, kw[name]) - return - if name == "PEM": - self.clear() - self.DER = self.pem_converter.to_DER(kw[name]) - return - if name == "Base64": - self.clear() - self.DER = base64.b64decode(kw[name]) - return - if name in ("PEM_file", "DER_file", "Auto_file"): - f = open(kw[name], "rb") - value = f.read() - f.close() - if name == "PEM_file" or (name == "Auto_file" and self.pem_converter.looks_like_PEM(value)): - value = self.pem_converter.to_DER(value) - self.clear() - self.DER = value - return - raise rpki.exceptions.DERObjectConversionError, "Can't honor conversion request %s" % repr(kw) - - def get_DER(self): - """Get the DER value of this object. - - Subclasses will almost certainly override this method. - """ - assert not self.empty() - if self.DER: - return self.DER - raise rpki.exceptions.DERObjectConversionError, "No conversion path to DER available" - - def get_Base64(self): - """Get the Base64 encoding of the DER value of this object.""" - return base64.b64encode(self.get_DER()) - - def get_PEM(self): - """Get the PEM representation of this object.""" - return self.pem_converter.to_PEM(self.get_DER()) - - def __cmp__(self, other): - """Compare two DER-encoded objects.""" - return cmp(self.get_DER(), other.get_DER()) - - def hSKI(self): - """Return hexadecimal string representation of SKI for this - object. Only work for subclasses that implement get_SKI(). - """ - return ":".join(("%02X" % ord(i) for i in self.get_SKI())) - - def gSKI(self): - """Calculate g(SKI) for this object. Only work for subclasses - that implement get_SKI(). - """ - return base64.urlsafe_b64encode(self.get_SKI()).rstrip("=") - - def get_AKI(self): - """Get the AKI extension from this object. Only works for subclasses that support getExtension().""" - return (self.get_POWpkix().getExtension(rpki.oids.name2oid["authorityKeyIdentifier"]) or ((), 0, None))[2] - - def get_SKI(self): - """Get the SKI extension from this object. Only works for subclasses that support getExtension().""" - return (self.get_POWpkix().getExtension(rpki.oids.name2oid["subjectKeyIdentifier"]) or ((), 0, None))[2] - - def get_SIA(self): - """Get the SIA extension from this object. Only works for subclasses that support getExtension().""" - return (self.get_POWpkix().getExtension(rpki.oids.name2oid["subjectInfoAccess"]) or ((), 0, None))[2] - - def get_AIA(self): - """Get the SIA extension from this object. Only works for subclasses that support getExtension().""" - return (self.get_POWpkix().getExtension(rpki.oids.name2oid["subjectInfoAccess"]) or ((), 0, None))[2] - - def get_3779resources(self): - """Get RFC 3779 resources as rpki.resource_set objects. - Only works for subclasses that support getExtensions(). - """ - resources = rpki.resource_set.resource_bag.from_asn1_tuples(self.get_POWpkix().getExtensions()) - try: - resources.valid_until = self.getNotAfter() - except AttributeError: - pass - return resources - - @classmethod - def from_sql(cls, x): - """Convert from SQL storage format.""" - return cls(DER = x) - - def to_sql(self): - """Convert to SQL storage format.""" - return self.get_DER() - -class X509(DER_object): - """X.509 certificates. - - This class is designed to hold all the different representations of - X.509 certs we're using and convert between them. X.509 support in - Python a nasty maze of half-cooked stuff (except perhaps for - cryptlib, which is just different). Users of this module should not - have to care about this implementation nightmare. - """ - - formats = ("DER", "POW", "POWpkix", "tlslite") - pem_converter = PEM_converter("CERTIFICATE") - - def get_DER(self): - """Get the DER value of this certificate.""" - assert not self.empty() - if self.DER: - return self.DER - if self.POW: - self.DER = self.POW.derWrite() - return self.get_DER() - if self.POWpkix: - self.DER = self.POWpkix.toString() - return self.get_DER() - raise rpki.exceptions.DERObjectConversionError, "No conversion path to DER available" - - def get_POW(self): - """Get the POW value of this certificate.""" - assert not self.empty() - if not self.POW: - self.POW = POW.derRead(POW.X509_CERTIFICATE, self.get_DER()) - return self.POW - - def get_POWpkix(self): - """Get the POW.pkix value of this certificate.""" - assert not self.empty() - if not self.POWpkix: - cert = POW.pkix.Certificate() - cert.fromString(self.get_DER()) - self.POWpkix = cert - return self.POWpkix - - def get_tlslite(self): - """Get the tlslite value of this certificate.""" - assert not self.empty() - if not self.tlslite: - cert = tlslite.api.X509() - cert.parseBinary(self.get_DER()) - self.tlslite = cert - return self.tlslite - - def getIssuer(self): - """Get the issuer of this certificate.""" - return self.get_POW().getIssuer() - - def getSubject(self): - """Get the subject of this certificate.""" - return self.get_POW().getSubject() - - def getNotBefore(self): - """Get the inception time of this certificate.""" - return rpki.sundial.datetime.fromASN1tuple(self.get_POWpkix().tbs.validity.notBefore.get()) - - def getNotAfter(self): - """Get the expiration time of this certificate.""" - return rpki.sundial.datetime.fromASN1tuple(self.get_POWpkix().tbs.validity.notAfter.get()) - - def getSerial(self): - """Get the serial number of this certificate.""" - return self.get_POW().getSerial() - - def getPublicKey(self): - """Extract the public key from this certificate.""" - return RSApublic(DER = self.get_POWpkix().tbs.subjectPublicKeyInfo.toString()) - - def issue(self, keypair, subject_key, serial, sia, aia, crldp, notAfter, - cn = None, resources = None, is_ca = True): - """Issue a certificate.""" - - now = rpki.sundial.datetime.utcnow() - aki = self.get_SKI() - ski = subject_key.get_SKI() - - if cn is None: - cn = "".join(("%02X" % ord(i) for i in ski)) - - # if notAfter is None: notAfter = now + rpki.sundial.timedelta(days = 30) - - cert = POW.pkix.Certificate() - cert.setVersion(2) - cert.setSerial(serial) - cert.setIssuer(self.get_POWpkix().getSubject()) - cert.setSubject((((rpki.oids.name2oid["commonName"], ("printableString", cn)),),)) - cert.setNotBefore(now.toASN1tuple()) - cert.setNotAfter(notAfter.toASN1tuple()) - cert.tbs.subjectPublicKeyInfo.fromString(subject_key.get_DER()) - - exts = [ ["subjectKeyIdentifier", False, ski], - ["authorityKeyIdentifier", False, (aki, (), None)], - ["cRLDistributionPoints", False, ((("fullName", (("uri", crldp),)), None, ()),)], - ["authorityInfoAccess", False, ((rpki.oids.name2oid["id-ad-caIssuers"], ("uri", aia)),)], - ["certificatePolicies", True, ((rpki.oids.name2oid["id-cp-ipAddr-asNumber"], ()),)] ] - - if is_ca: - exts.append(["basicConstraints", True, (1, None)]) - exts.append(["keyUsage", True, (0, 0, 0, 0, 0, 1, 1)]) - else: - exts.append(["keyUsage", True, (1,)]) - - if sia is not None: - exts.append(["subjectInfoAccess", False, sia]) - else: - assert not is_ca - - if resources is not None and resources.as: - exts.append(["sbgp-autonomousSysNum", True, (resources.as.to_tuple(), None)]) - - if resources is not None and (resources.v4 or resources.v6): - exts.append(["sbgp-ipAddrBlock", True, [x for x in (resources.v4.to_tuple(), resources.v6.to_tuple()) if x is not None]]) - - for x in exts: - x[0] = rpki.oids.name2oid[x[0]] - cert.setExtensions(exts) - - cert.sign(keypair.get_POW(), POW.SHA256_DIGEST) - - return X509(POWpkix = cert) - -class X509_chain(list): - """Collections of certs. - - This class provides sorting and conversion functions for various - packages. - """ - - def __init__(self, *args, **kw): - """Initialize an X509_chain.""" - if args: - self[:] = args - elif "PEM_files" in kw: - self.load_from_PEM(kw["PEM_files"]) - elif "DER_files" in kw: - self.load_from_DER(kw["DER_files"]) - elif "Auto_files" in kw: - self.load_from_Auto(kw["Auto_files"]) - elif kw: - raise TypeError - - def chainsort(self): - """Sort a bag of certs into a chain, leaf first. - - Various other routines want their certs presented in this order. - """ - if len(self) > 1: - bag = self[:] - issuer_names = [x.getIssuer() for x in bag] - subject_map = dict([(x.getSubject(), x) for x in bag]) - chain = [] - for subject in subject_map: - if subject not in issuer_names: - cert = subject_map[subject] - chain.append(cert) - bag.remove(cert) - if len(chain) != 1: - raise rpki.exceptions.NotACertificateChain, "Certificates in bag don't form a proper chain" - while bag: - cert = subject_map[chain[-1].getIssuer()] - chain.append(cert) - bag.remove(cert) - self[:] = chain - - def tlslite_certChain(self): - """Return a certChain in the format tlslite likes.""" - self.chainsort() - return tlslite.api.X509CertChain([x.get_tlslite() for x in self]) - - def tlslite_trustList(self): - """Return a trustList in the format tlslite likes.""" - return [x.get_tlslite() for x in self] - - def clear(self): - """Drop all certs from this bag onto the floor.""" - self[:] = [] - - def load_from_PEM(self, files): - """Load a set of certs from a list of PEM files.""" - self.extend([X509(PEM_file=f) for f in files]) - - def load_from_DER(self, files): - """Load a set of certs from a list of DER files.""" - self.extend([X509(DER_file=f) for f in files]) - - def load_from_Auto(self, files): - """Load a set of certs from a list of DER or PEM files (guessing).""" - self.extend([X509(Auto_file=f) for f in files]) - -class PKCS10(DER_object): - """Class to hold a PKCS #10 request.""" - - formats = ("DER", "POWpkix") - pem_converter = PEM_converter("CERTIFICATE REQUEST") - - def get_DER(self): - """Get the DER value of this certification request.""" - assert not self.empty() - if self.DER: - return self.DER - if self.POWpkix: - self.DER = self.POWpkix.toString() - return self.get_DER() - raise rpki.exceptions.DERObjectConversionError, "No conversion path to DER available" - - def get_POWpkix(self): - """Get the POW.pkix value of this certification request.""" - assert not self.empty() - if not self.POWpkix: - req = POW.pkix.CertificationRequest() - req.fromString(self.get_DER()) - self.POWpkix = req - return self.POWpkix - - def getPublicKey(self): - """Extract the public key from this certification request.""" - return RSApublic(DER = self.get_POWpkix().certificationRequestInfo.subjectPublicKeyInfo.toString()) - - def check_valid_rpki(self): - """Check this certification request to see whether it's a valid - request for an RPKI certificate. This is broken out of the - up-down protocol code because it's somewhat involved and the - up-down code doesn't need to know the details. - - Throws an exception if the request isn't valid, so if this method - returns at all, the request is ok. - """ - - if not self.get_POWpkix().verify(): - raise rpki.exceptions.BadPKCS10, "Signature check failed" - - if self.get_POWpkix().certificationRequestInfo.version.get() != 0: - raise rpki.exceptions.BadPKCS10, \ - "Bad version number %s" % self.get_POWpkix().certificationRequestInfo.version - - if rpki.oids.oid2name.get(self.get_POWpkix().signatureAlgorithm.algorithm.get()) \ - not in ("sha256WithRSAEncryption", "sha384WithRSAEncryption", "sha512WithRSAEncryption"): - raise rpki.exceptions.BadPKCS10, "Bad signature algorithm %s" % self.get_POWpkix().signatureAlgorithm - - exts = self.get_POWpkix().getExtensions() - for oid, critical, value in exts: - if rpki.oids.oid2name.get(oid) not in ("basicConstraints", "keyUsage", "subjectInfoAccess"): - raise rpki.exceptions.BadExtension, "Forbidden extension %s" % oid - req_exts = dict((rpki.oids.oid2name[oid], value) for (oid, critical, value) in exts) - - if "basicConstraints" not in req_exts or not req_exts["basicConstraints"][0]: - raise rpki.exceptions.BadPKCS10, "request for EE cert not allowed here" - - if req_exts["basicConstraints"][1] is not None: - raise rpki.exceptions.BadPKCS10, "basicConstraints must not specify Path Length" - - if "keyUsage" in req_exts and (not req_exts["keyUsage"][5] or not req_exts["keyUsage"][6]): - raise rpki.exceptions.BadPKCS10, "keyUsage doesn't match basicConstraints" - - for method, location in req_exts.get("subjectInfoAccess", ()): - if rpki.oids.oid2name.get(method) == "id-ad-caRepository" and \ - (location[0] != "uri" or (location[1].startswith("rsync://") and not location[1].endswith("/"))): - raise rpki.exceptions.BadPKCS10, "Certificate request includes bad SIA component: %s" % repr(location) - - # This one is an implementation restriction. I don't yet - # understand what the spec is telling me to do in this case. - assert "subjectInfoAccess" in req_exts, "Can't (yet) handle PKCS #10 without an SIA extension" - - @classmethod - def create_ca(cls, keypair, sia = None): - """Create a new request for a given keypair, including given SIA value.""" - exts = [["basicConstraints", True, (1, None)], - ["keyUsage", True, (0, 0, 0, 0, 0, 1, 1)]] - if sia is not None: - exts.append(["subjectInfoAccess", False, sia]) - for x in exts: - x[0] = rpki.oids.name2oid[x[0]] - return cls.create(keypair, exts) - - @classmethod - def create(cls, keypair, exts = None): - """Create a new request for a given keypair, including given extensions.""" - cn = "".join(("%02X" % ord(i) for i in keypair.get_SKI())) - req = POW.pkix.CertificationRequest() - req.certificationRequestInfo.version.set(0) - req.certificationRequestInfo.subject.set((((rpki.oids.name2oid["commonName"], - ("printableString", cn)),),)) - if exts is not None: - req.setExtensions(exts) - req.sign(keypair.get_POW(), POW.SHA256_DIGEST) - return cls(POWpkix = req) - -class RSA(DER_object): - """Class to hold an RSA key pair.""" - - formats = ("DER", "POW", "tlslite") - pem_converter = PEM_converter("RSA PRIVATE KEY") - - def get_DER(self): - """Get the DER value of this keypair.""" - assert not self.empty() - if self.DER: - return self.DER - if self.POW: - self.DER = self.POW.derWrite(POW.RSA_PRIVATE_KEY) - return self.get_DER() - raise rpki.exceptions.DERObjectConversionError, "No conversion path to DER available" - - def get_POW(self): - """Get the POW value of this keypair.""" - assert not self.empty() - if not self.POW: - self.POW = POW.derRead(POW.RSA_PRIVATE_KEY, self.get_DER()) - return self.POW - - def get_tlslite(self): - """Get the tlslite value of this keypair.""" - assert not self.empty() - if not self.tlslite: - self.tlslite = tlslite.api.parsePEMKey(self.get_PEM(), private=True) - return self.tlslite - - def generate(self, keylength = 2048): - """Generate a new keypair.""" - self.clear() - self.set(POW=POW.Asymmetric(POW.RSA_CIPHER, keylength)) - - def get_public_DER(self): - """Get the DER encoding of the public key from this keypair.""" - return self.get_POW().derWrite(POW.RSA_PUBLIC_KEY) - - def get_SKI(self): - """Calculate the SKI of this keypair.""" - return calculate_SKI(self.get_public_DER()) - - def get_RSApublic(self): - """Convert the public key of this keypair into a RSApublic object.""" - return RSApublic(DER = self.get_public_DER()) - -class RSApublic(DER_object): - """Class to hold an RSA public key.""" - - formats = ("DER", "POW") - pem_converter = PEM_converter("RSA PUBLIC KEY") - - def get_DER(self): - """Get the DER value of this public key.""" - assert not self.empty() - if self.DER: - return self.DER - if self.POW: - self.DER = self.POW.derWrite(POW.RSA_PUBLIC_KEY) - return self.get_DER() - raise rpki.exceptions.DERObjectConversionError, "No conversion path to DER available" - - def get_POW(self): - """Get the POW value of this public key.""" - assert not self.empty() - if not self.POW: - self.POW = POW.derRead(POW.RSA_PUBLIC_KEY, self.get_DER()) - return self.POW - - def get_SKI(self): - """Calculate the SKI of this public key.""" - return calculate_SKI(self.get_DER()) - -class SignedManifest(DER_object): - """Class to hold a signed manifest. - - Signed manifests are a little different from the other DER_object - types because the signed object is CMS wrapping inner content that's - also ASN.1, and due to our current minimal support for CMS we can't - just handle this as a pretty composite object. So, for now anyway, - this SignedManifest object refers to the outer CMS wrapped manifest - so that the usual DER and PEM operations do the obvious things, and - the inner content is handle via separate methods using rpki.manifest. - """ - - formats = ("DER",) - other_clear = ("content",) - pem_converter = PEM_converter("RPKI MANIFEST") - - def get_DER(self): - """Get the DER value of this manifest.""" - assert not self.empty() - if self.DER: - return self.DER - raise rpki.exceptions.DERObjectConversionError, "No conversion path to DER available" - - def get_content(self): - """Get the inner content of this manifest.""" - assert self.content is not None - return self.content - - def set_content(self, content): - """Set the (inner) content of this manifest, clearing the wrapper.""" - self.clear() - self.content = content - - def getThisUpdate(self): - """Get thisUpdate value from this manifest.""" - return rpki.sundial.datetime.fromGeneralizedTime(self.get_content().thisUpdate.get()) - - def getNextUpdate(self): - """Get nextUpdate value from this manifest.""" - return rpki.sundial.datetime.fromGeneralizedTime(self.get_content().nextUpdate.get()) - - def verify(self, ta): - """Verify this manifest.""" - m = rpki.manifest.Manifest() - s = rpki.cms.verify(self.get_DER(), ta) - m.fromString(s) - self.content = m - - def build(self, serial, thisUpdate, nextUpdate, names_and_objs, keypair, certs, version = 0): - """Build the inner content of this manifest and sign it with CMS.""" - filelist = [] - for name, obj in names_and_objs: - d = POW.Digest(POW.SHA256_DIGEST) - d.update(obj.get_DER()) - filelist.append((name.rpartition("/")[2], d.digest())) - filelist.sort(key = lambda x: x[0]) - m = rpki.manifest.Manifest() - m.version.set(version) - m.manifestNumber.set(serial) - m.thisUpdate.set(thisUpdate.toGeneralizedTime()) - m.nextUpdate.set(nextUpdate.toGeneralizedTime()) - m.fileHashAlg.set((2, 16, 840, 1, 101, 3, 4, 2, 1)) # id-sha256 - m.fileList.set(filelist) - self.set_content(m) - self.DER = rpki.cms.sign(m.toString(), keypair, certs) - -class CRL(DER_object): - """Class to hold a Certificate Revocation List.""" - - formats = ("DER", "POW", "POWpkix") - pem_converter = PEM_converter("X509 CRL") - - def get_DER(self): - """Get the DER value of this CRL.""" - assert not self.empty() - if self.DER: - return self.DER - if self.POW: - self.DER = self.POW.derWrite() - return self.get_DER() - if self.POWpkix: - self.DER = self.POWpkix.toString() - return self.get_DER() - raise rpki.exceptions.DERObjectConversionError, "No conversion path to DER available" - - def get_POW(self): - """Get the POW value of this CRL.""" - assert not self.empty() - if not self.POW: - self.POW = POW.derRead(POW.X509_CRL, self.get_DER()) - return self.POW - - def get_POWpkix(self): - """Get the POW.pkix value of this CRL.""" - assert not self.empty() - if not self.POWpkix: - crl = POW.pkix.CertificateList() - crl.fromString(self.get_DER()) - self.POWpkix = crl - return self.POWpkix - - def getThisUpdate(self): - """Get thisUpdate value from this CRL.""" - return rpki.sundial.datetime.fromASN1tuple(self.get_POWpkix().getThisUpdate()) - - def getNextUpdate(self): - """Get nextUpdate value from this CRL.""" - return rpki.sundial.datetime.fromASN1tuple(self.get_POWpkix().getNextUpdate()) - - @classmethod - def generate(cls, keypair, issuer, serial, thisUpdate, nextUpdate, revokedCertificates, version = 1, digestType = "sha256WithRSAEncryption"): - crl = POW.pkix.CertificateList() - crl.setVersion(version) - crl.setIssuer(issuer.get_POWpkix().getSubject()) - crl.setThisUpdate(thisUpdate.toASN1tuple()) - crl.setNextUpdate(nextUpdate.toASN1tuple()) - if revokedCertificates: - crl.setRevokedCertificates(revokedCertificates) - crl.setExtensions( - ((rpki.oids.name2oid["authorityKeyIdentifier"], False, (issuer.get_SKI(), (), None)), - (rpki.oids.name2oid["cRLNumber"], False, serial))) - crl.sign(keypair.get_POW(), digestType) - return cls(POWpkix = crl) |