def getChild(self, which):
p = TlsStructure(self.value)
for x in range(which + 1):
if p.index == len(p.bytes):
return None
markIndex = p.index
p.getInt(1) #skip Type
length = self._getASN1Length(p)
p.getBytes(length)
return ASN1Parser(p.bytes[markIndex:p.index],
self.offset + self.headerLength + markIndex)
def getChild(self, which):
p = TlsStructure(self.value)
for x in range(which+1):
if p.index == len(p.bytes):
return None
markIndex = p.index
p.getInt(1) #skip Type
length = self._getASN1Length(p)
p.getBytes(length)
return ASN1Parser(p.bytes[markIndex : p.index],
self.offset + self.headerLength + markIndex)
def __init__(self, bytes, offset=0):
p = TlsStructure(bytes)
self.type = p.getInt(1) #skip Type
#Get Length
self.length = self._getASN1Length(p)
# Header length is however many bytes read so far
self.headerLength = p.index
#Get Value
self.value = p.getBytes(self.length)
# This value tracks the offset of this TLV field
# in some enclosing structure (ie an X.509 cert)
self.offset = offset
def __init__(self, bytes, offset = 0):
p = TlsStructure(bytes)
self.type = p.getInt(1) #skip Type
#Get Length
self.length = self._getASN1Length(p)
# Header length is however many bytes read so far
self.headerLength = p.index
#Get Value
self.value = p.getBytes(self.length)
# This value tracks the offset of this TLV field
# in some enclosing structure (ie an X.509 cert)
self.offset = offset