Sha256: ebfbbaf4e0dfefd8d0ac95534cbc3be9843e64dc574e3bc0c50e6754a3db0e7f
Contents?: true
Size: 526 Bytes
Versions: 9
Compression:
Stored size: 526 Bytes
Contents
class String
# Binary XOR of two strings.
#
# puts "\000\000\001\001" ^ "\000\001\000\001"
# puts "\003\003\003" ^ "\000\001\002"
#
# _produces_
#
# "\000\001\001\000"
# "\003\002\001"
#
def ^(aString)
a = self.unpack('C'*(self.length))
b = aString.unpack('C'*(aString.length))
if (b.length < a.length)
(a.length - b.length).times { b << 0 }
end
xor = ""
0.upto(a.length-1) { |pos|
x = a[pos] ^ b[pos]
xor << x.chr()
}
return(xor)
end
end
Version data entries
9 entries across 9 versions & 1 rubygems