diff options
Diffstat (limited to 'vid/src/main/java/org/openecomp/vid/encryption/EncryptConvertor.java')
-rw-r--r-- | vid/src/main/java/org/openecomp/vid/encryption/EncryptConvertor.java | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/vid/src/main/java/org/openecomp/vid/encryption/EncryptConvertor.java b/vid/src/main/java/org/openecomp/vid/encryption/EncryptConvertor.java deleted file mode 100644 index 51a5ee2e3..000000000 --- a/vid/src/main/java/org/openecomp/vid/encryption/EncryptConvertor.java +++ /dev/null @@ -1,261 +0,0 @@ -/*- - * ============LICENSE_START======================================================= - * VID - * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. - * ================================================================================ - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * ============LICENSE_END========================================================= - */ - -package org.openecomp.vid.encryption; - -import java.lang.Character; - -/** - * The Class EncryptConvertor. - */ -public class EncryptConvertor { - - /** The Constant HEX_CHARS. */ - private static final char[] HEX_CHARS = "0123456789abcdef".toCharArray(); - - /** - * toHexString(String) - convert a string into its hex equivalent. - * - * @param buf the buf - * @return the string - */ - public final static String toHexString(String buf) { - if (buf == null) return ""; - return toHexString(buf.getBytes()); - } - - /** - * toHexString(byte[]) - convert a byte-string into its hex equivalent. - * - * @param buf the buf - * @return the string - */ - public final static String toHexString(byte[] buf) { - - if (buf == null) return ""; - char[] chars = new char[2 * buf.length]; - for (int i = 0; i < buf.length; ++i) { - chars[2 * i] = HEX_CHARS[(buf[i] & 0xF0) >>> 4]; - chars[2 * i + 1] = HEX_CHARS[buf[i] & 0x0F]; - } - return new String(chars); - } - - // alternate implementation that's slightly slower -// protected static final byte[] Hexhars = { -// '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' -// }; -// public static String encode(byte[] b) { -// StringBuilder s = new StringBuilder(2 * b.length); -// for (int i = 0; i < b.length; i++) { -// int v = b[i] & 0xff; -// s.append((char)Hexhars[v >> 4]); -// s.append((char)Hexhars[v & 0xf]); -// } -// return s.toString(); -// } - - /** - * Convert a hex string to its equivalent value. - * - * @param hexString the hex string - * @return the string - * @throws Exception the exception - */ - public final static String stringFromHex(String hexString) throws Exception - { - if (hexString == null) return ""; - return stringFromHex(hexString.toCharArray()); - } - - /** - * String from hex. - * - * @param hexCharArray the hex char array - * @return the string - * @throws Exception the exception - */ - public final static String stringFromHex(char[] hexCharArray) - throws Exception { - if (hexCharArray == null) return ""; - return new String(bytesFromHex(hexCharArray)); - } - - /** - * Bytes from hex. - * - * @param hexString the hex string - * @return the byte[] - * @throws Exception the exception - */ - public final static byte[] bytesFromHex(String hexString) throws Exception - { - if (hexString == null) return new byte[0]; - return bytesFromHex(hexString.toCharArray()); - } - - /** - * Bytes from hex. - * - * @param hexCharArray the hex char array - * @return the byte[] - * @throws Exception the exception - */ - public final static byte[] bytesFromHex(char[] hexCharArray) - throws Exception { - if (hexCharArray == null) return new byte[0]; - int len = hexCharArray.length; - if ((len % 2) != 0) throw new Exception("Odd number of characters: '" + String.valueOf(hexCharArray) + "'"); - byte [] txtInByte = new byte [len / 2]; - int j = 0; - for (int i = 0; i < len; i += 2) { - txtInByte[j++] = (byte)(((fromHexDigit(hexCharArray[i], i) << 4) | fromHexDigit(hexCharArray[i+1], i)) & 0xFF); - } - return txtInByte; - } - - /** - * From hex digit. - * - * @param ch the ch - * @param index the index - * @return the int - * @throws Exception the exception - */ - protected final static int fromHexDigit(char ch, int index) throws Exception - { - int digit = Character.digit(ch, 16); - if (digit == -1) throw new Exception("Illegal hex character '" + ch + "' at index " + index); - return digit; - } - - // UNIT TESTS (same junit, but we want to run from command line - - /** - * Check to hex string B. - * - * @param arg the arg - * @param expected the expected - * @return true, if successful - */ - public static boolean checkToHexStringB(String arg, String expected) { - String ret = toHexString(arg != null ? arg.getBytes() : null); - System.out.println("toHexString(" + arg + ")=> " + ret); - if (!ret.equals(expected)) System.out.println("\tWRONG, expected: " + expected); - return ret.equals(expected); - } - - /** - * Check to hex string. - * - * @param arg the arg - * @param expected the expected - * @return true, if successful - */ - public static boolean checkToHexString(String arg, String expected) { - String ret = toHexString(arg); - System.out.println("toHexString(" + arg + ")=> " + ret); - if (!ret.equals(expected)) System.out.println("\tWRONG, expected: " + expected); - return ret.equals(expected); - } - - /** - * Check from hex string. - * - * @param arg the arg - * @param expected the expected - * @return true, if successful - */ - public static boolean checkFromHexString(String arg, String expected) { - try { - String ret = stringFromHex(arg); - System.out.println("fromHexString(" + arg + ")=> " + ret); - if (!ret.equals(expected)) System.out.println("\tWRONG, expected: " + expected); - return ret.equals(expected); - } catch (Exception e) { - System.out.println("Caught exception: " + e.toString()); - return false; - } - } - - /** - * Check from hex string B. - * - * @param arg the arg - * @param expected the expected - * @return true, if successful - */ - public static boolean checkFromHexStringB(String arg, String expected) { - try { - byte[] ret = bytesFromHex(arg); - String sret = new String(ret); - System.out.println("fromHexString(" + arg + ")=> " + sret); - if (!sret.equals(expected)) System.out.println("\tWRONG, expected: " + expected); - return sret.equals(expected); - } catch (Exception e) { - System.out.println("Caught exception: " + e.toString()); - return false; - } - } - - - /** - * The main method. - * - * @param args the arguments - */ - public static void main(String[] args) { - // TODO Auto-generated method stub - int pass = 0, fail = 0; - if (checkToHexString("", "")) pass++; else fail++; - if (checkToHexString(null, "")) pass++; else fail++; - if (checkToHexString("0", "30")) pass++; else fail++; - if (checkToHexString("abc", "616263")) pass++; else fail++; - if (checkToHexString("!@#$%^&*()", "21402324255e262a2829")) pass++; else fail++; - if (checkToHexStringB("", "")) pass++; else fail++; - if (checkToHexStringB(null, "")) pass++; else fail++; - if (checkToHexStringB("0", "30")) pass++; else fail++; - if (checkToHexStringB("abc", "616263")) pass++; else fail++; - if (checkToHexStringB("!@#$%^&*()", "21402324255e262a2829")) pass++; else fail++; - if (checkFromHexString("", "")) pass++; else fail++; - if (checkFromHexString(null, "")) pass++; else fail++; - if (checkFromHexString("30", "0")) pass++; else fail++; - if (checkFromHexString("616263", "abc")) pass++; else fail++; - if (checkFromHexString("21402324255e262a2829", "!@#$%^&*()")) pass++; else fail++; - if (checkFromHexStringB("", "")) pass++; else fail++; - if (checkFromHexStringB(null, "")) pass++; else fail++; - if (checkFromHexStringB("30", "0")) pass++; else fail++; - if (checkFromHexStringB("616263", "abc")) pass++; else fail++; - if (checkFromHexStringB("21402324255e262a2829", "!@#$%^&*()")) pass++; else fail++; - System.out.println("Tests passed: " + Integer.toString(pass)); - System.out.println("Tests failed: " + Integer.toString(fail)); - System.out.println("======="); - System.out.println("abc toHex = " + toHexString("abc")); - System.out.println("123 toHex = " + toHexString("123")); - try { - System.out.println("616263 FromHex = " + stringFromHex("616263")); - System.out.println("313233 FromHex = " + stringFromHex("313233")); - //System.out.println("current key FromHex = " + stringFromHex("57ajqe{kJjjarj}G#(3)ea7")); - } catch (Exception e) { - System.out.println("exception: " + e.toString()); - } - } - -} |