diff options
Diffstat (limited to 'chromium/third_party/tlslite/tlslite/utils/ASN1Parser.py')
-rw-r--r-- | chromium/third_party/tlslite/tlslite/utils/ASN1Parser.py | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/chromium/third_party/tlslite/tlslite/utils/ASN1Parser.py b/chromium/third_party/tlslite/tlslite/utils/ASN1Parser.py deleted file mode 100644 index c85c1381065..00000000000 --- a/chromium/third_party/tlslite/tlslite/utils/ASN1Parser.py +++ /dev/null @@ -1,37 +0,0 @@ -"""Class for parsing ASN.1""" -from compat import * -from codec import * - -#Takes a byte array which has a DER TLV field at its head -class ASN1Parser: - def __init__(self, bytes): - p = Parser(bytes) - p.get(1) #skip Type - - #Get Length - self.length = self._getASN1Length(p) - - #Get Value - self.value = p.getFixBytes(self.length) - - #Assuming this is a sequence... - def getChild(self, which): - return ASN1Parser(self.getChildBytes(which)) - - def getChildBytes(self, which): - p = Parser(self.value) - for x in range(which+1): - markIndex = p.index - p.get(1) #skip Type - length = self._getASN1Length(p) - p.getFixBytes(length) - return p.bytes[markIndex : p.index] - - #Decode the ASN.1 DER length field - def _getASN1Length(self, p): - firstLength = p.get(1) - if firstLength<=127: - return firstLength - else: - lengthLength = firstLength & 0x7F - return p.get(lengthLength) |