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Contents
module Net
module SSH
module Transport
# A cipher that does nothing but pass the data through, unchanged. This
# keeps things in the code nice and clean when a cipher has not yet been
# determined (i.e., during key exchange).
class IdentityCipher
class << self
# A default block size of 8 is required by the SSH2 protocol.
def block_size
8
end
# Returns an arbitrary integer.
def iv_len
4
end
# Does nothing. Returns self.
def encrypt
self
end
# Does nothing. Returns self.
def decrypt
self
end
# Passes its single argument through unchanged.
def update(text)
text
end
# Returns the empty string.
def final
""
end
# The name of this cipher, which is "identity".
def name
"identity"
end
# Does nothing. Returns nil.
def iv=(v)
nil
end
# Does nothing. Returns self.
def reset
self
end
end
end
end
end
end
Version data entries
8 entries across 8 versions & 3 rubygems