Switched everything to use cryptography

1 files changed, 0 insertions, 31 deletions

diff --git a/paramiko/util.py b/paramiko/util.py
index d029f52e..f966099d 100644
--- a/paramiko/util.py
+++ b/paramiko/util.py
@@ -281,37 +281,6 @@ def retry_on_signal(function):
                 raise
 
 
-class Counter (object):
-    """Stateful counter for CTR mode crypto"""
-    def __init__(self, nbits, initial_value=long(1), overflow=long(0)):
-        self.blocksize = nbits / 8
-        self.overflow = overflow
-        # start with value - 1 so we don't have to store intermediate values when counting
-        # could the iv be 0?
-        if initial_value == 0:
-            self.value = array.array('c', max_byte * self.blocksize)
-        else:
-            x = deflate_long(initial_value - 1, add_sign_padding=False)
-            self.value = array.array('c', zero_byte * (self.blocksize - len(x)) + x)
-
-    def __call__(self):
-        """Increament the counter and return the new value"""
-        i = self.blocksize - 1
-        while i > -1:
-            c = self.value[i] = byte_chr((byte_ord(self.value[i]) + 1) % 256)
-            if c != zero_byte:
-                return self.value.tostring()
-            i -= 1
-        # counter reset
-        x = deflate_long(self.overflow, add_sign_padding=False)
-        self.value = array.array('c', zero_byte * (self.blocksize - len(x)) + x)
-        return self.value.tostring()
-
-    def new(cls, nbits, initial_value=long(1), overflow=long(0)):
-        return cls(nbits, initial_value=initial_value, overflow=overflow)
-    new = classmethod(new)
-
-
 def constant_time_bytes_eq(a, b):
     if len(a) != len(b):
         return False