1.modification of float precision loss problem。

2.change \r\n to \r

Author: weiyanhua

EncryptionTool.py

@@ -1,100 +1,111 @@
-#GGearing
-#Simple encryption script for text
-#This was one my first versions of this script
-#09/07/2017
-import math
-
-text=input("Enter text: ")
-values= []
-reverse= []
-def encryptChar(target):
-    #encrytion algorithm
-    target=(((target+42)*math.pi)-449)
-    return target
-
-def decryptChar(target):
-    target=(((target+449)/math.pi)-42)
-    return target
-
-def encrypt(input_text):
-    col_values= []
-    for i in range (len(input_text)):
-        current=ord(input_text[i])
-        current=encryptChar(current)
-        col_values.append(current)
-    return col_values
-
-def decrypt(enc_text):
-    col_values = []
-    for i in range (len(enc_text)):
-        current=int(decryptChar(enc_text[i]))
-        current=chr(current)
-        col_values.append(current)
-    return col_values
-
-def readAndDecrypt(filename):
-    file=open(filename,"r")
-    data=file.read()
-    datalistint= []
-    actualdata= []
-    datalist=data.split(" ")
-    datalist.remove('')
-    for i in range(len(datalist)):
-        datalistint.append(float(datalist[i]))
-    for i in range(len(datalist)):
-        current1=int(decryptChar(datalistint[i]))
-        current1=chr(current1)
-        actualdata.append(current1)
-    file.close()
-    return actualdata
-
-def readAndEncrypt(filename):
-    file=open(filename,"r")
-    data=file.read()
-    datalist=list(data)
-    encrypted_list=list()
-    encrypted_list_str=list()
-    for i in range(len(datalist)):
-        current=ord(datalist[i])
-        current=encryptChar(current)
-        encrypted_list.append(current)
-    file.close()
-    return encrypted_list
-
-def readAndEncryptAndSave(inp_file,out_file):
-    enc_list=readAndEncrypt(inp_file)
-    output=open(out_file,"w")
-    for i in range(len(enc_list)):
-        output.write(str(enc_list[i])+" ")
-    output.close()
-
-def readAndDecryptAndSave(inp_file,out_file):
-    dec_list=readAndDecrypt(inp_file)
-    output=open(out_file,"w")
-    for i in range(len(dec_list)):
-        output.write(str(dec_list[i]))
-    output.close()
-
-#encryption
-for i in range (len(text)):
-    current=ord(text[i])
-    current=encryptChar(current)
-    values.append(current)
-
-#decryption
-for i in range (len(text)):
-    current=int(decryptChar(values[i]))
-    current=chr(current)
-    reverse.append(current)
-print(reverse)
-
-#saves encrypted in txt file
-output=open("encrypted.txt","w")
-for i in range(len(values)):
-    output.write(str(values[i])+" ")
-output.close()
-
-#read and decrypts
-print(readAndDecrypt("encrypted.txt"))
-
-    
+#GGearing
+#Simple encryption script for text
+#This was one my first versions of this script
+#09/07/2017
+from __future__ import print_function
+import math
+import sys
+
+input_fun = None
+key = int(math.pi * 1e14)
+
+if sys.version_info.major >= 3:
+    input_fun = input
+
+else:
+    input_fun = raw_input
+
+text=input_fun("Enter text: ")
+values= []
+reverse= []
+def encryptChar(target):
+    #encrytion algorithm
+    target=(((target+42) * key) -449)
+    return target
+
+def decryptChar(target):
+    target=(((target+449) / key) -42)
+    return target
+
+def encrypt(input_text):
+    col_values= []
+    for i in range (len(input_text)):
+        current=ord(input_text[i])
+        current=encryptChar(current)
+        col_values.append(current)
+    return col_values
+
+def decrypt(enc_text):
+    col_values = []
+    for i in range (len(enc_text)):
+        current=int(decryptChar(enc_text[i]))
+        current=chr(current)
+        col_values.append(current)
+    return col_values
+
+def readAndDecrypt(filename):
+    file=open(filename,"r")
+    data=file.read()
+    datalistint= []
+    actualdata= []
+    datalist=data.split(" ")
+    datalist.remove('')
+    for i in range(len(datalist)):
+        datalistint.append(float(datalist[i]))
+    for i in range(len(datalist)):
+        current1=int(decryptChar(datalistint[i]))
+        current1=chr(current1)
+        actualdata.append(current1)
+    file.close()
+    return actualdata
+
+def readAndEncrypt(filename):
+    file=open(filename,"r")
+    data=file.read()
+    datalist=list(data)
+    encrypted_list=list()
+    encrypted_list_str=list()
+    for i in range(len(datalist)):
+        current=ord(datalist[i])
+        current=encryptChar(current)
+        encrypted_list.append(current)
+    file.close()
+    return encrypted_list
+
+def readAndEncryptAndSave(inp_file,out_file):
+    enc_list=readAndEncrypt(inp_file)
+    output=open(out_file,"w")
+    for i in range(len(enc_list)):
+        output.write(str(enc_list[i])+" ")
+    output.close()
+
+def readAndDecryptAndSave(inp_file,out_file):
+    dec_list=readAndDecrypt(inp_file)
+    output=open(out_file,"w")
+    for i in range(len(dec_list)):
+        output.write(str(dec_list[i]))
+    output.close()
+
+#encryption
+for i in range (len(text)):
+    current=ord(text[i])
+    current=encryptChar(current)
+    values.append(current)
+
+#decryption
+for i in range (len(text)):
+    current=int(decryptChar(values[i]))
+    current=chr(current)
+    reverse.append(current)
+print(reverse)
+
+#saves encrypted in txt file
+output=open("encrypted.txt","w")
+for i in range(len(values)):
+    output.write(str(values[i])+" ")
+output.close()
+
+#read and decrypts
+print(readAndDecrypt("encrypted.txt"))
+
+