data=f.readframes(numframes)
frames2=[ord(c) for c in data]
framecount=44;
length=0
key= raw_input("Enter the key:")
base=math.ceil(math.log((((numframes*4)-44)/8) , 2))
#getting the length of message encoded
for j in range(0,int(base)):
length=length + (2**j) *(frames2[framecount] & 1 )
framecount = framecount + 1
count=0
K=rc4.keyarray(length*8, key) #rc4 random key generation using the input key
#getting the message upto message length
for i in range(0,length):
number=0
for j in range(0,8):
number=number + (2**j) *(bit.getbit(frames2[framecount],K[count]) )
framecount = framecount + 1
count=count+1
print (chr(number) , end="")
print ("\n")
frames=[ord(c) for c in data]
msg= raw_input("Enter the message:")
key= raw_input("Enter the key:")
integerrep=[ord(c) for c in msg]
framecount=44;
length=len(msg)
base=math.ceil(math.log((((numframes*4)-44)/8) , 2))
#encoding message length to frames
for j in range(0,int(base)):
frames[framecount]=bit.changeLSB(frames[framecount],bit.getbit(length,j))
framecount=framecount+1
K=rc4.keyarray(length*8, key) #rc4 random key generation using the input key
#encoding message upto message length
count=0
for i in range(0,length):
for j in range(0,8):
frames[framecount]=bit.changeBIT(frames[framecount],K[count],bit.getbit(integerrep[i],j))
framecount=framecount+1
count=count+1
output=[chr(c) for c in frames]