def ensureEncProperties(self, id=None):
ep = self.find(enc("EncryptionProperties"))
if ep is None:
ep = mkse(self, enc("EncryptionProperties"),
attrib=id and dict(Id=id) or None,
)
return ep
def addKeyReference(self, uri=None):
rl = self.find(enc("ReferenceList"))
if rl is None:
rl = mke(enc("ReferenceList"))
self.insert(0, rl)
return mkse(rl,
enc("KeyReference"),
attrib=uri and dict(URI=uri) or None)
def addKeyReference(self, uri=None):
rl = self.find(enc("ReferenceList"))
if rl is None:
rl = mke(self, enc("ReferenceList"))
self.insert(0, rl)
return mkse(rl, enc("KeyReference"),
attrib=uri and dict(URI=uri) or None
)
def ensureCipherReference(self, uri=None):
cd = self.find(enc("CipherData"))
cr = cd.find(enc("CipherReference"))
if cr is None:
if len(cd):
raise ValueError("`CipherData` can only contain a single element")
cr = mkse(cd, enc("CipherReference"), attrib=uri and dict(URI=uri) or None)
return cr
def ensureCipherValue(self):
cd = self.find(enc("CipherData"))
cv = cd.find(enc("CipherValue"))
if cv is None:
if len(cd):
raise ValueError("`CipherData` can only contain a single element")
cv = mkse(cd, enc("CipherValue"))
return cv
def ensureCipherValue(self):
cd = self.find(enc("CipherData"))
cv = cd.find(enc("CipherValue"))
if cv is None:
if len(cd):
raise ValueError(
"`CipherData` can only contain a single element")
cv = mkse(cd, enc("CipherValue"))
return cv
def ensureEncProperties(self, id=None):
ep = self.find(enc("EncryptionProperties"))
if ep is None:
ep = mkse(
self,
enc("EncryptionProperties"),
attrib=id and dict(Id=id) or None,
)
return ep
def ensureCipherReference(self, uri=None):
cd = self.find(enc("CipherData"))
cr = cd.find(enc("CipherReference"))
if cr is None:
if len(cd):
raise ValueError(
"`CipherData` can only contain a single element")
cr = mkse(cd,
enc("CipherReference"),
attrib=uri and dict(URI=uri) or None)
return cr
def _EncType_(tag, encMethod=None, id=None, type=None, mimeType=None, encoding=None, recipient=None, nsPrefix=None):
attrib = {}
if id: attrib["Id"] = id
if type: attrib["Type"] = type
if mimeType: attrib["MimeType"] = mimeTpye
if encoding: attrib["Encoding"] = encoding
if recipient: attrib["Recipient"] = recipient
nsmap = nsPrefix and dict(nsPrefix=EncNs) or EncNsMap
et = mke(enc(tag), attrib=attrib, nsmap=nsmap)
if encMethod:
mkse(et, enc("EncryptionMethod"), Algorithm=encMethod.href)
mkse(et, enc("CipherData"))
return et
def addEncProperty(self, id=None, target=None):
attrib = {}
if id: attrib["Id"] = id
if target: attrib["Target"] = target
return mkse(self.ensureEncProperties(),
enc("EncryptionProperty"),
attrib=attrib)
def addEncProperty(self, id=None, target=None):
attrib = {}
if id:
attrib["Id"] = id
if target:
attrib["Target"] = target
return mkse(self.ensureEncProperties(), enc("EncryptionProperty"), attrib=attrib)
def ensureKeyInfo(self, id=None):
ki = self.find(dsig("KeyInfo"))
if ki is None:
ki = mke(dsig("KeyInfo"), attrib=id and dict(Id=id) or None)
kii = self.find(enc("EncryptionMethod")) is not None and 1 or 0
self.insert(kii, ki)
return ki
def ensureKeyInfo(self, id=None):
ki = self.find(dsig("KeyInfo"))
if ki is None:
ki = mke(
dsig("KeyInfo"),
attrib=id and dict(Id=id) or None,
)
kii = self.find(enc("EncryptionMethod")) is not None and 1 or 0
self.insert(kii, ki)
return ki
def _EncType_(tag,
encMethod=None,
id=None,
type=None,
mimeType=None,
encoding=None,
recipient=None,
nsPrefix=None):
attrib = {}
if id: attrib["Id"] = id
if type: attrib["Type"] = type
if mimeType: attrib["MimeType"] = mimeTpye
if encoding: attrib["Encoding"] = encoding
if recipient: attrib["Recipient"] = recipient
nsmap = nsPrefix and {nsPrefix: EncNs} or EncNsMap
et = mke(enc(tag), attrib=attrib, nsmap=nsmap)
if encMethod:
mkse(et, enc("EncryptionMethod"), Algorithm=encMethod.href)
mkse(et, enc("CipherData"))
return et
def addTransform(self, transform):
ts = self.find(enc("Transforms"))
if ts is None:
ts = mkse(self, enc("Transforms"))
t = mkse(ts, dsig("Transform"), Algorithm=transform.href)
return t
def addOAEPparams(self, params):
# may need to control position
return mkse(self, enc("OAEPParams"), params.encode("base64"))
def addTransform(self, transform):
ts = self.find(enc("Transforms"))
if ts is None: ts = mkse(self, enc("Transforms"))
t = mkse(ts, dsig("Transform"), Algorithm=transform.href)
return t
def addOAEPparams(self, params):
# may need to control position
return mkse(self, enc("OAEPParams"), params.encode("base64"))
