diff options
Diffstat (limited to 'src/interfaces/jdbc/postgresql/util')
-rw-r--r-- | src/interfaces/jdbc/postgresql/util/PGmoney.java | 105 | ||||
-rw-r--r-- | src/interfaces/jdbc/postgresql/util/PGobject.java | 102 | ||||
-rw-r--r-- | src/interfaces/jdbc/postgresql/util/PGtokenizer.java | 197 | ||||
-rw-r--r-- | src/interfaces/jdbc/postgresql/util/PSQLException.java | 111 | ||||
-rw-r--r-- | src/interfaces/jdbc/postgresql/util/Serialize.java | 342 | ||||
-rw-r--r-- | src/interfaces/jdbc/postgresql/util/UnixCrypt.java | 675 |
6 files changed, 0 insertions, 1532 deletions
diff --git a/src/interfaces/jdbc/postgresql/util/PGmoney.java b/src/interfaces/jdbc/postgresql/util/PGmoney.java deleted file mode 100644 index 0d094dbf108..00000000000 --- a/src/interfaces/jdbc/postgresql/util/PGmoney.java +++ /dev/null @@ -1,105 +0,0 @@ -package postgresql.util; - -import java.io.*; -import java.sql.*; - -/** - * This implements a class that handles the PostgreSQL money and cash types - */ -public class PGmoney extends PGobject implements Serializable,Cloneable -{ - /** - * The value of the field - */ - public double val; - - /** - * @param value of field - */ - public PGmoney(double value) { - this(); - val = value; - } - - /** - * This is called mainly from the other geometric types, when a - * point is imbeded within their definition. - * - * @param value Definition of this point in PostgreSQL's syntax - */ - public PGmoney(String value) throws SQLException - { - this(); - setValue(value); - } - - /** - * Required by the driver - */ - public PGmoney() - { - setType("money"); - } - - /** - * @param s Definition of this point in PostgreSQL's syntax - * @exception SQLException on conversion failure - */ - public void setValue(String s) throws SQLException - { - try { - String s1; - boolean negative; - - negative = (s.charAt(0) == '-') ; - - s1 = s.substring(negative ? 2 : 1); - - int pos = s1.indexOf(','); - while (pos != -1) { - s1 = s1.substring(0,pos) + s1.substring(pos +1); - pos = s1.indexOf(','); - } - - val = Double.valueOf(s1).doubleValue(); - val = negative ? -val : val; - - } catch(NumberFormatException e) { - throw new PSQLException("postgresql.money",e); - } - } - - /** - * @param obj Object to compare with - * @return true if the two boxes are identical - */ - public boolean equals(Object obj) - { - if(obj instanceof PGmoney) { - PGmoney p = (PGmoney)obj; - return val == p.val; - } - return false; - } - - /** - * This must be overidden to allow the object to be cloned - */ - public Object clone() - { - return new PGmoney(val); - } - - /** - * @return the PGpoint in the syntax expected by postgresql - */ - public String getValue() - { - if (val < 0) { - return "-$" + (-val); - } - else { - return "$"+val; - } - } -} diff --git a/src/interfaces/jdbc/postgresql/util/PGobject.java b/src/interfaces/jdbc/postgresql/util/PGobject.java deleted file mode 100644 index 40e4daf4354..00000000000 --- a/src/interfaces/jdbc/postgresql/util/PGobject.java +++ /dev/null @@ -1,102 +0,0 @@ -package postgresql.util; - -import java.io.*; -import java.lang.*; -import java.sql.*; -import java.util.*; - -/** - * postgresql.PG_Object is a class used to describe unknown types - * An unknown type is any type that is unknown by JDBC Standards - * - * <p>As of PostgreSQL 6.3, this allows user code to add their own - * handlers via a call to postgresql.Connection. These handlers - * must extend this class. - */ -public class PGobject implements Serializable,Cloneable -{ - protected String type; - protected String value; - - /** - * This is called by postgresql.Connection.getObject() to create the - * object. - */ - public PGobject() - { - } - - /** - * This method sets the type of this object. - * - * <p>It should not be extended by subclasses, hence its final - * - * @param type a string describing the type of the object - */ - public final void setType(String type) - { - this.type = type; - } - - /** - * This method sets the value of this object. It must be overidden. - * - * @param value a string representation of the value of the object - * @exception SQLException thrown if value is invalid for this type - */ - public void setValue(String value) throws SQLException - { - this.value = value; - } - - /** - * As this cannot change during the life of the object, it's final. - * @return the type name of this object - */ - public final String getType() - { - return type; - } - - /** - * This must be overidden, to return the value of the object, in the - * form required by postgresql. - * @return the value of this object - */ - public String getValue() - { - return value; - } - - /** - * This must be overidden to allow comparisons of objects - * @param obj Object to compare with - * @return true if the two boxes are identical - */ - public boolean equals(Object obj) - { - if(obj instanceof PGobject) - return ((PGobject)obj).getValue().equals(getValue()); - return false; - } - - /** - * This must be overidden to allow the object to be cloned - */ - public Object clone() - { - PGobject obj = new PGobject(); - obj.type=type; - obj.value=value; - return obj; - } - - /** - * This is defined here, so user code need not overide it. - * @return the value of this object, in the syntax expected by postgresql - */ - public String toString() - { - return getValue(); - } -} diff --git a/src/interfaces/jdbc/postgresql/util/PGtokenizer.java b/src/interfaces/jdbc/postgresql/util/PGtokenizer.java deleted file mode 100644 index 0d075968916..00000000000 --- a/src/interfaces/jdbc/postgresql/util/PGtokenizer.java +++ /dev/null @@ -1,197 +0,0 @@ -package postgresql.util; - -import java.sql.*; -import java.util.*; - -/** - * This class is used to tokenize the text output of postgres. - * - * <p>It's mainly used by the geometric classes, but is useful in parsing any - * output from custom data types output from postgresql. - * - * @see postgresql.geometric.PGbox - * @see postgresql.geometric.PGcircle - * @see postgresql.geometric.PGlseg - * @see postgresql.geometric.PGpath - * @see postgresql.geometric.PGpoint - * @see postgresql.geometric.PGpolygon - */ -public class PGtokenizer -{ - // Our tokens - protected Vector tokens; - - /** - * Create a tokeniser. - * - * <p>We could have used StringTokenizer to do this, however, we needed to - * handle nesting of '(' ')' '[' ']' '<' and '>' as these are used - * by the geometric data types. - * - * @param string containing tokens - * @param delim single character to split the tokens - */ - public PGtokenizer(String string,char delim) - { - tokenize(string,delim); - } - - /** - * This resets this tokenizer with a new string and/or delimiter. - * - * @param string containing tokens - * @param delim single character to split the tokens - */ - public int tokenize(String string,char delim) - { - tokens = new Vector(); - - // nest holds how many levels we are in the current token. - // if this is > 0 then we don't split a token when delim is matched. - // - // The Geometric datatypes use this, because often a type may have others - // (usualls PGpoint) imbedded within a token. - // - // Peter 1998 Jan 6 - Added < and > to the nesting rules - int nest=0,p,s; - - for(p=0,s=0;p<string.length();p++) { - char c = string.charAt(p); - - // increase nesting if an open character is found - if(c == '(' || c == '[' || c == '<') - nest++; - - // decrease nesting if a close character is found - if(c == ')' || c == ']' || c == '>') - nest--; - - if(nest==0 && c==delim) { - tokens.addElement(string.substring(s,p)); - s=p+1; // +1 to skip the delimiter - } - - } - - // Don't forget the last token ;-) - if(s<string.length()) - tokens.addElement(string.substring(s)); - - return tokens.size(); - } - - /** - * @return the number of tokens available - */ - public int getSize() - { - return tokens.size(); - } - - /** - * @param n Token number ( 0 ... getSize()-1 ) - * @return The token value - */ - public String getToken(int n) - { - return (String)tokens.elementAt(n); - } - - /** - * This returns a new tokenizer based on one of our tokens. - * - * The geometric datatypes use this to process nested tokens (usually - * PGpoint). - * - * @param n Token number ( 0 ... getSize()-1 ) - * @param delim The delimiter to use - * @return A new instance of PGtokenizer based on the token - */ - public PGtokenizer tokenizeToken(int n,char delim) - { - return new PGtokenizer(getToken(n),delim); - } - - /** - * This removes the lead/trailing strings from a string - * @param s Source string - * @param l Leading string to remove - * @param t Trailing string to remove - * @return String without the lead/trailing strings - */ - public static String remove(String s,String l,String t) - { - if(s.startsWith(l)) s = s.substring(l.length()); - if(s.endsWith(t)) s = s.substring(0,s.length()-t.length()); - return s; - } - - /** - * This removes the lead/trailing strings from all tokens - * @param l Leading string to remove - * @param t Trailing string to remove - */ - public void remove(String l,String t) - { - for(int i=0;i<tokens.size();i++) { - tokens.setElementAt(remove((String)tokens.elementAt(i),l,t),i); - } - } - - /** - * Removes ( and ) from the beginning and end of a string - * @param s String to remove from - * @return String without the ( or ) - */ - public static String removePara(String s) - { - return remove(s,"(",")"); - } - - /** - * Removes ( and ) from the beginning and end of all tokens - * @return String without the ( or ) - */ - public void removePara() - { - remove("(",")"); - } - - /** - * Removes [ and ] from the beginning and end of a string - * @param s String to remove from - * @return String without the [ or ] - */ - public static String removeBox(String s) - { - return remove(s,"[","]"); - } - - /** - * Removes [ and ] from the beginning and end of all tokens - * @return String without the [ or ] - */ - public void removeBox() - { - remove("[","]"); - } - - /** - * Removes < and > from the beginning and end of a string - * @param s String to remove from - * @return String without the < or > - */ - public static String removeAngle(String s) - { - return remove(s,"<",">"); - } - - /** - * Removes < and > from the beginning and end of all tokens - * @return String without the < or > - */ - public void removeAngle() - { - remove("<",">"); - } -} diff --git a/src/interfaces/jdbc/postgresql/util/PSQLException.java b/src/interfaces/jdbc/postgresql/util/PSQLException.java deleted file mode 100644 index 317176a341b..00000000000 --- a/src/interfaces/jdbc/postgresql/util/PSQLException.java +++ /dev/null @@ -1,111 +0,0 @@ -package postgresql.util; - -import java.sql.*; -import java.text.*; -import java.util.*; - -/** - * This class extends SQLException, and provides our internationalisation handling - */ -public class PSQLException extends SQLException -{ - private String message; - - // Cache for future errors - static ResourceBundle bundle; - - /** - * This provides the same functionality to SQLException - * @param error Error string - */ - public PSQLException(String error) { - super(); - translate(error,null); - } - - /** - * A more generic entry point. - * @param error Error string or standard message id - * @param args Array of arguments - */ - public PSQLException(String error,Object[] args) - { - super(); - translate(error,args); - } - - /** - * Helper version for 1 arg - */ - public PSQLException(String error,Object arg) - { - super(); - Object[] argv = new Object[1]; - argv[0] = arg; - translate(error,argv); - } - - /** - * Helper version for 2 args - */ - public PSQLException(String error,Object arg1,Object arg2) - { - super(); - Object[] argv = new Object[2]; - argv[0] = arg1; - argv[1] = arg2; - translate(error,argv); - } - - /** - * This does the actual translation - */ - private void translate(String id,Object[] args) - { - if(bundle == null) { - try { - bundle = ResourceBundle.getBundle("postgresql.errors"); - } catch(MissingResourceException e) { - } - } - - // Now look up a localized message. If one is not found, then use - // the supplied message instead. - message = null; - try { - message = bundle.getString(id); - } catch(MissingResourceException e) { - message = id; - } - - // Expand any arguments - if(args!=null) - message = MessageFormat.format(message,args); - - } - - /** - * Overides Throwable - */ - public String getLocalizedMessage() - { - return message; - } - - /** - * Overides Throwable - */ - public String getMessage() - { - return message; - } - - /** - * Overides Object - */ - public String toString() - { - return message; - } - -} diff --git a/src/interfaces/jdbc/postgresql/util/Serialize.java b/src/interfaces/jdbc/postgresql/util/Serialize.java deleted file mode 100644 index 3209f58105e..00000000000 --- a/src/interfaces/jdbc/postgresql/util/Serialize.java +++ /dev/null @@ -1,342 +0,0 @@ -package postgresql.util; - -import java.io.*; -import java.lang.*; -import java.lang.reflect.*; -import java.net.*; -import java.util.*; -import java.sql.*; - -/** - * This class uses PostgreSQL's object oriented features to store Java Objects. - * - * It does this by mapping a Java Class name to a table in the database. Each - * entry in this new table then represents a Serialized instance of this - * class. As each entry has an OID (Object IDentifier), this OID can be - * included in another table. - * - * This is too complex to show here, and will be documented in the main - * documents in more detail. - * - */ -public class Serialize -{ - // This is the connection that the instance refers to - protected postgresql.Connection conn; - - // This is the table name - protected String tableName; - - // This is the class name - protected String className; - - // This is the Class for this serialzed object - protected Class ourClass; - - /** - * This creates an instance that can be used to serialize or deserialize - * a Java object from a PostgreSQL table. - */ - public Serialize(postgresql.Connection c,String type) throws SQLException - { - try { - conn = c; - tableName = type.toLowerCase(); - className = toClassName(type); - ourClass = Class.forName(className); - } catch(ClassNotFoundException cnfe) { - throw new PSQLException("postgresql.serial.noclass",type); - } - - // Second check, the type must be a table - boolean status = false; - ResultSet rs = conn.ExecSQL("select typname from pg_type,pg_class where typname=relname and typname='"+type+"'"); - if(rs!=null) { - if(rs.next()) - status=true; - rs.close(); - } - // This should never occur, as postgresql has it's own internal checks - if(!status) - throw new PSQLException("postgresql.serial.table",type); - - // Finally cache the fields within the table - } - - /** - * This fetches an object from a table, given it's OID - * @param oid The oid of the object - * @return Object relating to oid - * @exception SQLException on error - */ - public Object fetch(int oid) throws SQLException - { - try { - Object obj = ourClass.newInstance(); - - // NB: we use java.lang.reflect here to prevent confusion with - // the postgresql.Field - java.lang.reflect.Field f[] = ourClass.getDeclaredFields(); - boolean hasOID=false; - int oidFIELD=-1; - StringBuffer sb = new StringBuffer("select"); - char sep=' '; - for(int i=0;i<f.length;i++) { - String n = f[i].getName(); - if(n.equals("oid")) { - hasOID=true; - oidFIELD=i; - } - sb.append(sep); - sb.append(n); - sep=','; - } - sb.append(" from "); - sb.append(tableName); - sb.append(" where oid="); - sb.append(oid); - - DriverManager.println("store: "+sb.toString()); - ResultSet rs = conn.ExecSQL(sb.toString()); - if(rs!=null) { - if(rs.next()) { - for(int i=0;i<f.length;i++) { - f[i].set(obj,rs.getObject(i+1)); - } - } - rs.close(); - } else - throw new PSQLException("postgresql.unexpected"); - return obj; - } catch(IllegalAccessException iae) { - throw new SQLException(iae.toString()); - } catch(InstantiationException ie) { - throw new SQLException(ie.toString()); - } - } - - /** - * This stores an object into a table, returning it's OID.<p> - * - * If the object has an int called OID, and it is > 0, then - * that value is used for the OID, and the table will be updated. - * If the value of OID is 0, then a new row will be created, and the - * value of OID will be set in the object. This enables an object's - * value in the database to be updateable. - * - * If the object has no int called OID, then the object is stored. However - * if the object is later retrieved, amended and stored again, it's new - * state will be appended to the table, and will not overwrite the old - * entries. - * - * @param o Object to store (must implement Serializable) - * @return oid of stored object - * @exception SQLException on error - */ - public int store(Object o) throws SQLException - { - try { - // NB: we use java.lang.reflect here to prevent confusion with - // the postgresql.Field - java.lang.reflect.Field f[] = ourClass.getDeclaredFields(); - boolean hasOID=false; - int oidFIELD=-1; - boolean update=false; - - // Find out if we have an oid value - for(int i=0;i<f.length;i++) { - String n = f[i].getName(); - if(n.equals("oid")) { - hasOID=true; - oidFIELD=i; - - // We are an update if oid != 0 - update = f[i].getInt(o)>0; - } - } - - StringBuffer sb = new StringBuffer(update?"update "+tableName+" set":"insert into "+tableName+" values "); - char sep=update?' ':'('; - for(int i=0;i<f.length;i++) { - String n = f[i].getName(); - sb.append(sep); - sb.append(n); - sep=','; - if(update) { - sb.append('='); - if(f[i].getType().getName().equals("java.lang.String")) { - sb.append('\''); - sb.append(f[i].get(o).toString()); - sb.append('\''); - } else - sb.append(f[i].get(o).toString()); - } - } - - if(!update) { - sb.append(") values "); - sep='('; - for(int i=0;i<f.length;i++) { - String n = f[i].getName(); - if(f[i].getType().getName().equals("java.lang.String")) { - sb.append('\''); - sb.append(f[i].get(o).toString()); - sb.append('\''); - } else - sb.append(f[i].get(o).toString()); - } - sb.append(')'); - } - - DriverManager.println("store: "+sb.toString()); - ResultSet rs = conn.ExecSQL(sb.toString()); - if(rs!=null) { - rs.close(); - } - - // fetch the OID for returning - int oid=0; - if(hasOID) { - // set the oid in the object - f[oidFIELD].setInt(o,oid); - } - return oid; - - } catch(IllegalAccessException iae) { - throw new SQLException(iae.toString()); - } - } - - /** - * This method is not used by the driver, but it creates a table, given - * a Serializable Java Object. It should be used before serializing any - * objects. - * @param c Connection to database - * @param o Object to base table on - * @exception SQLException on error - */ - public static void create(postgresql.Connection con,Object o) throws SQLException - { - create(con,o.getClass()); - } - - /** - * This method is not used by the driver, but it creates a table, given - * a Serializable Java Object. It should be used before serializing any - * objects. - * @param c Connection to database - * @param o Class to base table on - * @exception SQLException on error - */ - public static void create(postgresql.Connection con,Class c) throws SQLException - { - if(c.isInterface()) - throw new PSQLException("postgresql.serial.interface"); - - // See if the table exists - String tableName = toPostgreSQL(c.getName()); - - ResultSet rs = con.ExecSQL("select relname from pg_class where relname = '"+tableName+"'"); - if(!rs.next()) { - DriverManager.println("found "+rs.getString(1)); - // No entries returned, so the table doesn't exist - - StringBuffer sb = new StringBuffer("create table "); - sb.append(tableName); - char sep='('; - - java.lang.reflect.Field[] fields = c.getDeclaredFields(); - for(int i=0;i<fields.length;i++) { - Class type = fields[i].getType(); - - // oid is a special field - if(!fields[i].getName().equals("oid")) { - sb.append(sep); - sb.append(fields[i].getName()); - sb.append(' '); - sep=','; - - if(type.isArray()) { - // array handling - } else { - // convert the java type to postgresql, recursing if a class - // is found - String n = fields[i].getType().getName(); - int j=0; - for(;j<tp.length && !tp[j][0].equals(n);j++); - if(j<tp.length) - sb.append(tp[j][1]); - else { - create(con,fields[i].getType()); - sb.append(toPostgreSQL(n)); - } - } - } - } - sb.append(")"); - - // Now create the table - DriverManager.println("Serialize.create:"+sb); - con.ExecSQL(sb.toString()); - rs.close(); - } else { - DriverManager.println("Serialize.create: table "+tableName+" exists, skipping"); - } - } - - // This is used to translate between Java primitives and PostgreSQL types. - private static final String tp[][] = { - {"boolean", "int1"}, - {"double", "float8"}, - {"float", "float4"}, - {"int", "int4"}, - {"long", "int4"}, - {"short", "int2"}, - {"java.lang.String", "text"}, - {"java.lang.Integer", "int4"}, - {"java.lang.Float", "float4"}, - {"java.lang.Double", "float8"}, - {"java.lang.Short", "int2"} - }; - - /** - * This converts a Java Class name to a postgresql table, by replacing . with - * _<p> - * - * Because of this, a Class name may not have _ in the name.<p> - * Another limitation, is that the entire class name (including packages) - * cannot be longer than 32 characters (a limit forced by PostgreSQL). - * - * @param name Class name - * @return PostgreSQL table name - * @exception SQLException on error - */ - public static String toPostgreSQL(String name) throws SQLException - { - name = name.toLowerCase(); - - if(name.indexOf("_")>-1) - throw new PSQLException("postgresql.serial.underscore"); - - if(name.length()>32) - throw new PSQLException("postgresql.serial.namelength",name,new Integer(name.length())); - - return name.replace('.','_'); - } - - - /** - * This converts a postgresql table to a Java Class name, by replacing _ with - * .<p> - * - * @param name PostgreSQL table name - * @return Class name - * @exception SQLException on error - */ - public static String toClassName(String name) throws SQLException - { - name = name.toLowerCase(); - return name.replace('_','.'); - } - -} diff --git a/src/interfaces/jdbc/postgresql/util/UnixCrypt.java b/src/interfaces/jdbc/postgresql/util/UnixCrypt.java deleted file mode 100644 index f87e62104a8..00000000000 --- a/src/interfaces/jdbc/postgresql/util/UnixCrypt.java +++ /dev/null @@ -1,675 +0,0 @@ -package postgresql.util; - -/** - * This class provides us with the ability to encrypt passwords when sent - * over the network stream - * - * <P>Contains static methods to encrypt and compare - * passwords with Unix encrypted passwords.</P> - * - * <P>See <A HREF="http://www.zeh.com/local/jfd/crypt.html"> - * John Dumas's Java Crypt page</A> for the original source.</P> - * - * @author jdumas@zgs.com (John Dumas) - */ -public class UnixCrypt extends Object -{ - // - // Null constructor - can't instantiate class - private UnixCrypt() - { - } - - private static final char[] saltChars = - ("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789./".toCharArray()); - - private static final int ITERATIONS = 16; - - private static final int con_salt[] = - { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, - 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, - 0x0A, 0x0B, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, - 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, - 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, - 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x20, 0x21, 0x22, - 0x23, 0x24, 0x25, 0x20, 0x21, 0x22, 0x23, 0x24, - 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, - 0x2D, 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, - 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x3B, 0x3C, - 0x3D, 0x3E, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, - }; - - private static final boolean shifts2[] = - { - false, false, true, true, true, true, true, true, - false, true, true, true, true, true, true, false - }; - - private static final int skb[][] = - { - { - /* for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ - 0x00000000, 0x00000010, 0x20000000, 0x20000010, - 0x00010000, 0x00010010, 0x20010000, 0x20010010, - 0x00000800, 0x00000810, 0x20000800, 0x20000810, - 0x00010800, 0x00010810, 0x20010800, 0x20010810, - 0x00000020, 0x00000030, 0x20000020, 0x20000030, - 0x00010020, 0x00010030, 0x20010020, 0x20010030, - 0x00000820, 0x00000830, 0x20000820, 0x20000830, - 0x00010820, 0x00010830, 0x20010820, 0x20010830, - 0x00080000, 0x00080010, 0x20080000, 0x20080010, - 0x00090000, 0x00090010, 0x20090000, 0x20090010, - 0x00080800, 0x00080810, 0x20080800, 0x20080810, - 0x00090800, 0x00090810, 0x20090800, 0x20090810, - 0x00080020, 0x00080030, 0x20080020, 0x20080030, - 0x00090020, 0x00090030, 0x20090020, 0x20090030, - 0x00080820, 0x00080830, 0x20080820, 0x20080830, - 0x00090820, 0x00090830, 0x20090820, 0x20090830, - }, - { - /* for C bits (numbered as per FIPS 46) 7 8 10 11 12 13 */ - 0x00000000, 0x02000000, 0x00002000, 0x02002000, - 0x00200000, 0x02200000, 0x00202000, 0x02202000, - 0x00000004, 0x02000004, 0x00002004, 0x02002004, - 0x00200004, 0x02200004, 0x00202004, 0x02202004, - 0x00000400, 0x02000400, 0x00002400, 0x02002400, - 0x00200400, 0x02200400, 0x00202400, 0x02202400, - 0x00000404, 0x02000404, 0x00002404, 0x02002404, - 0x00200404, 0x02200404, 0x00202404, 0x02202404, - 0x10000000, 0x12000000, 0x10002000, 0x12002000, - 0x10200000, 0x12200000, 0x10202000, 0x12202000, - 0x10000004, 0x12000004, 0x10002004, 0x12002004, - 0x10200004, 0x12200004, 0x10202004, 0x12202004, - 0x10000400, 0x12000400, 0x10002400, 0x12002400, - 0x10200400, 0x12200400, 0x10202400, 0x12202400, - 0x10000404, 0x12000404, 0x10002404, 0x12002404, - 0x10200404, 0x12200404, 0x10202404, 0x12202404, - }, - { - /* for C bits (numbered as per FIPS 46) 14 15 16 17 19 20 */ - 0x00000000, 0x00000001, 0x00040000, 0x00040001, - 0x01000000, 0x01000001, 0x01040000, 0x01040001, - 0x00000002, 0x00000003, 0x00040002, 0x00040003, - 0x01000002, 0x01000003, 0x01040002, 0x01040003, - 0x00000200, 0x00000201, 0x00040200, 0x00040201, - 0x01000200, 0x01000201, 0x01040200, 0x01040201, - 0x00000202, 0x00000203, 0x00040202, 0x00040203, - 0x01000202, 0x01000203, 0x01040202, 0x01040203, - 0x08000000, 0x08000001, 0x08040000, 0x08040001, - 0x09000000, 0x09000001, 0x09040000, 0x09040001, - 0x08000002, 0x08000003, 0x08040002, 0x08040003, - 0x09000002, 0x09000003, 0x09040002, 0x09040003, - 0x08000200, 0x08000201, 0x08040200, 0x08040201, - 0x09000200, 0x09000201, 0x09040200, 0x09040201, - 0x08000202, 0x08000203, 0x08040202, 0x08040203, - 0x09000202, 0x09000203, 0x09040202, 0x09040203, - }, - { - /* for C bits (numbered as per FIPS 46) 21 23 24 26 27 28 */ - 0x00000000, 0x00100000, 0x00000100, 0x00100100, - 0x00000008, 0x00100008, 0x00000108, 0x00100108, - 0x00001000, 0x00101000, 0x00001100, 0x00101100, - 0x00001008, 0x00101008, 0x00001108, 0x00101108, - 0x04000000, 0x04100000, 0x04000100, 0x04100100, - 0x04000008, 0x04100008, 0x04000108, 0x04100108, - 0x04001000, 0x04101000, 0x04001100, 0x04101100, - 0x04001008, 0x04101008, 0x04001108, 0x04101108, - 0x00020000, 0x00120000, 0x00020100, 0x00120100, - 0x00020008, 0x00120008, 0x00020108, 0x00120108, - 0x00021000, 0x00121000, 0x00021100, 0x00121100, - 0x00021008, 0x00121008, 0x00021108, 0x00121108, - 0x04020000, 0x04120000, 0x04020100, 0x04120100, - 0x04020008, 0x04120008, 0x04020108, 0x04120108, - 0x04021000, 0x04121000, 0x04021100, 0x04121100, - 0x04021008, 0x04121008, 0x04021108, 0x04121108, - }, - { - /* for D bits (numbered as per FIPS 46) 1 2 3 4 5 6 */ - 0x00000000, 0x10000000, 0x00010000, 0x10010000, - 0x00000004, 0x10000004, 0x00010004, 0x10010004, - 0x20000000, 0x30000000, 0x20010000, 0x30010000, - 0x20000004, 0x30000004, 0x20010004, 0x30010004, - 0x00100000, 0x10100000, 0x00110000, 0x10110000, - 0x00100004, 0x10100004, 0x00110004, 0x10110004, - 0x20100000, 0x30100000, 0x20110000, 0x30110000, - 0x20100004, 0x30100004, 0x20110004, 0x30110004, - 0x00001000, 0x10001000, 0x00011000, 0x10011000, - 0x00001004, 0x10001004, 0x00011004, 0x10011004, - 0x20001000, 0x30001000, 0x20011000, 0x30011000, - 0x20001004, 0x30001004, 0x20011004, 0x30011004, - 0x00101000, 0x10101000, 0x00111000, 0x10111000, - 0x00101004, 0x10101004, 0x00111004, 0x10111004, - 0x20101000, 0x30101000, 0x20111000, 0x30111000, - 0x20101004, 0x30101004, 0x20111004, 0x30111004, - }, - { - /* for D bits (numbered as per FIPS 46) 8 9 11 12 13 14 */ - 0x00000000, 0x08000000, 0x00000008, 0x08000008, - 0x00000400, 0x08000400, 0x00000408, 0x08000408, - 0x00020000, 0x08020000, 0x00020008, 0x08020008, - 0x00020400, 0x08020400, 0x00020408, 0x08020408, - 0x00000001, 0x08000001, 0x00000009, 0x08000009, - 0x00000401, 0x08000401, 0x00000409, 0x08000409, - 0x00020001, 0x08020001, 0x00020009, 0x08020009, - 0x00020401, 0x08020401, 0x00020409, 0x08020409, - 0x02000000, 0x0A000000, 0x02000008, 0x0A000008, - 0x02000400, 0x0A000400, 0x02000408, 0x0A000408, - 0x02020000, 0x0A020000, 0x02020008, 0x0A020008, - 0x02020400, 0x0A020400, 0x02020408, 0x0A020408, - 0x02000001, 0x0A000001, 0x02000009, 0x0A000009, - 0x02000401, 0x0A000401, 0x02000409, 0x0A000409, - 0x02020001, 0x0A020001, 0x02020009, 0x0A020009, - 0x02020401, 0x0A020401, 0x02020409, 0x0A020409, - }, - { - /* for D bits (numbered as per FIPS 46) 16 17 18 19 20 21 */ - 0x00000000, 0x00000100, 0x00080000, 0x00080100, - 0x01000000, 0x01000100, 0x01080000, 0x01080100, - 0x00000010, 0x00000110, 0x00080010, 0x00080110, - 0x01000010, 0x01000110, 0x01080010, 0x01080110, - 0x00200000, 0x00200100, 0x00280000, 0x00280100, - 0x01200000, 0x01200100, 0x01280000, 0x01280100, - 0x00200010, 0x00200110, 0x00280010, 0x00280110, - 0x01200010, 0x01200110, 0x01280010, 0x01280110, - 0x00000200, 0x00000300, 0x00080200, 0x00080300, - 0x01000200, 0x01000300, 0x01080200, 0x01080300, - 0x00000210, 0x00000310, 0x00080210, 0x00080310, - 0x01000210, 0x01000310, 0x01080210, 0x01080310, - 0x00200200, 0x00200300, 0x00280200, 0x00280300, - 0x01200200, 0x01200300, 0x01280200, 0x01280300, - 0x00200210, 0x00200310, 0x00280210, 0x00280310, - 0x01200210, 0x01200310, 0x01280210, 0x01280310, - }, - { - /* for D bits (numbered as per FIPS 46) 22 23 24 25 27 28 */ - 0x00000000, 0x04000000, 0x00040000, 0x04040000, - 0x00000002, 0x04000002, 0x00040002, 0x04040002, - 0x00002000, 0x04002000, 0x00042000, 0x04042000, - 0x00002002, 0x04002002, 0x00042002, 0x04042002, - 0x00000020, 0x04000020, 0x00040020, 0x04040020, - 0x00000022, 0x04000022, 0x00040022, 0x04040022, - 0x00002020, 0x04002020, 0x00042020, 0x04042020, - 0x00002022, 0x04002022, 0x00042022, 0x04042022, - 0x00000800, 0x04000800, 0x00040800, 0x04040800, - 0x00000802, 0x04000802, 0x00040802, 0x04040802, - 0x00002800, 0x04002800, 0x00042800, 0x04042800, - 0x00002802, 0x04002802, 0x00042802, 0x04042802, - 0x00000820, 0x04000820, 0x00040820, 0x04040820, - 0x00000822, 0x04000822, 0x00040822, 0x04040822, - 0x00002820, 0x04002820, 0x00042820, 0x04042820, - 0x00002822, 0x04002822, 0x00042822, 0x04042822, - }, - }; - - private static final int SPtrans[][] = - { - { - /* nibble 0 */ - 0x00820200, 0x00020000, 0x80800000, 0x80820200, - 0x00800000, 0x80020200, 0x80020000, 0x80800000, - 0x80020200, 0x00820200, 0x00820000, 0x80000200, - 0x80800200, 0x00800000, 0x00000000, 0x80020000, - 0x00020000, 0x80000000, 0x00800200, 0x00020200, - 0x80820200, 0x00820000, 0x80000200, 0x00800200, - 0x80000000, 0x00000200, 0x00020200, 0x80820000, - 0x00000200, 0x80800200, 0x80820000, 0x00000000, - 0x00000000, 0x80820200, 0x00800200, 0x80020000, - 0x00820200, 0x00020000, 0x80000200, 0x00800200, - 0x80820000, 0x00000200, 0x00020200, 0x80800000, - 0x80020200, 0x80000000, 0x80800000, 0x00820000, - 0x80820200, 0x00020200, 0x00820000, 0x80800200, - 0x00800000, 0x80000200, 0x80020000, 0x00000000, - 0x00020000, 0x00800000, 0x80800200, 0x00820200, - 0x80000000, 0x80820000, 0x00000200, 0x80020200, - }, - { - /* nibble 1 */ - 0x10042004, 0x00000000, 0x00042000, 0x10040000, - 0x10000004, 0x00002004, 0x10002000, 0x00042000, - 0x00002000, 0x10040004, 0x00000004, 0x10002000, - 0x00040004, 0x10042000, 0x10040000, 0x00000004, - 0x00040000, 0x10002004, 0x10040004, 0x00002000, - 0x00042004, 0x10000000, 0x00000000, 0x00040004, - 0x10002004, 0x00042004, 0x10042000, 0x10000004, - 0x10000000, 0x00040000, 0x00002004, 0x10042004, - 0x00040004, 0x10042000, 0x10002000, 0x00042004, - 0x10042004, 0x00040004, 0x10000004, 0x00000000, - 0x10000000, 0x00002004, 0x00040000, 0x10040004, - 0x00002000, 0x10000000, 0x00042004, 0x10002004, - 0x10042000, 0x00002000, 0x00000000, 0x10000004, - 0x00000004, 0x10042004, 0x00042000, 0x10040000, - 0x10040004, 0x00040000, 0x00002004, 0x10002000, - 0x10002004, 0x00000004, 0x10040000, 0x00042000, - }, - { - /* nibble 2 */ - 0x41000000, 0x01010040, 0x00000040, 0x41000040, - 0x40010000, 0x01000000, 0x41000040, 0x00010040, - 0x01000040, 0x00010000, 0x01010000, 0x40000000, - 0x41010040, 0x40000040, 0x40000000, 0x41010000, - 0x00000000, 0x40010000, 0x01010040, 0x00000040, - 0x40000040, 0x41010040, 0x00010000, 0x41000000, - 0x41010000, 0x01000040, 0x40010040, 0x01010000, - 0x00010040, 0x00000000, 0x01000000, 0x40010040, - 0x01010040, 0x00000040, 0x40000000, 0x00010000, - 0x40000040, 0x40010000, 0x01010000, 0x41000040, - 0x00000000, 0x01010040, 0x00010040, 0x41010000, - 0x40010000, 0x01000000, 0x41010040, 0x40000000, - 0x40010040, 0x41000000, 0x01000000, 0x41010040, - 0x00010000, 0x01000040, 0x41000040, 0x00010040, - 0x01000040, 0x00000000, 0x41010000, 0x40000040, - 0x41000000, 0x40010040, 0x00000040, 0x01010000, - }, - { - /* nibble 3 */ - 0x00100402, 0x04000400, 0x00000002, 0x04100402, - 0x00000000, 0x04100000, 0x04000402, 0x00100002, - 0x04100400, 0x04000002, 0x04000000, 0x00000402, - 0x04000002, 0x00100402, 0x00100000, 0x04000000, - 0x04100002, 0x00100400, 0x00000400, 0x00000002, - 0x00100400, 0x04000402, 0x04100000, 0x00000400, - 0x00000402, 0x00000000, 0x00100002, 0x04100400, - 0x04000400, 0x04100002, 0x04100402, 0x00100000, - 0x04100002, 0x00000402, 0x00100000, 0x04000002, - 0x00100400, 0x04000400, 0x00000002, 0x04100000, - 0x04000402, 0x00000000, 0x00000400, 0x00100002, - 0x00000000, 0x04100002, 0x04100400, 0x00000400, - 0x04000000, 0x04100402, 0x00100402, 0x00100000, - 0x04100402, 0x00000002, 0x04000400, 0x00100402, - 0x00100002, 0x00100400, 0x04100000, 0x04000402, - 0x00000402, 0x04000000, 0x04000002, 0x04100400, - }, - { - /* nibble 4 */ - 0x02000000, 0x00004000, 0x00000100, 0x02004108, - 0x02004008, 0x02000100, 0x00004108, 0x02004000, - 0x00004000, 0x00000008, 0x02000008, 0x00004100, - 0x02000108, 0x02004008, 0x02004100, 0x00000000, - 0x00004100, 0x02000000, 0x00004008, 0x00000108, - 0x02000100, 0x00004108, 0x00000000, 0x02000008, - 0x00000008, 0x02000108, 0x02004108, 0x00004008, - 0x02004000, 0x00000100, 0x00000108, 0x02004100, - 0x02004100, 0x02000108, 0x00004008, 0x02004000, - 0x00004000, 0x00000008, 0x02000008, 0x02000100, - 0x02000000, 0x00004100, 0x02004108, 0x00000000, - 0x00004108, 0x02000000, 0x00000100, 0x00004008, - 0x02000108, 0x00000100, 0x00000000, 0x02004108, - 0x02004008, 0x02004100, 0x00000108, 0x00004000, - 0x00004100, 0x02004008, 0x02000100, 0x00000108, - 0x00000008, 0x00004108, 0x02004000, 0x02000008, - }, - { - /* nibble 5 */ - 0x20000010, 0x00080010, 0x00000000, 0x20080800, - 0x00080010, 0x00000800, 0x20000810, 0x00080000, - 0x00000810, 0x20080810, 0x00080800, 0x20000000, - 0x20000800, 0x20000010, 0x20080000, 0x00080810, - 0x00080000, 0x20000810, 0x20080010, 0x00000000, - 0x00000800, 0x00000010, 0x20080800, 0x20080010, - 0x20080810, 0x20080000, 0x20000000, 0x00000810, - 0x00000010, 0x00080800, 0x00080810, 0x20000800, - 0x00000810, 0x20000000, 0x20000800, 0x00080810, - 0x20080800, 0x00080010, 0x00000000, 0x20000800, - 0x20000000, 0x00000800, 0x20080010, 0x00080000, - 0x00080010, 0x20080810, 0x00080800, 0x00000010, - 0x20080810, 0x00080800, 0x00080000, 0x20000810, - 0x20000010, 0x20080000, 0x00080810, 0x00000000, - 0x00000800, 0x20000010, 0x20000810, 0x20080800, - 0x20080000, 0x00000810, 0x00000010, 0x20080010, - }, - { - /* nibble 6 */ - 0x00001000, 0x00000080, 0x00400080, 0x00400001, - 0x00401081, 0x00001001, 0x00001080, 0x00000000, - 0x00400000, 0x00400081, 0x00000081, 0x00401000, - 0x00000001, 0x00401080, 0x00401000, 0x00000081, - 0x00400081, 0x00001000, 0x00001001, 0x00401081, - 0x00000000, 0x00400080, 0x00400001, 0x00001080, - 0x00401001, 0x00001081, 0x00401080, 0x00000001, - 0x00001081, 0x00401001, 0x00000080, 0x00400000, - 0x00001081, 0x00401000, 0x00401001, 0x00000081, - 0x00001000, 0x00000080, 0x00400000, 0x00401001, - 0x00400081, 0x00001081, 0x00001080, 0x00000000, - 0x00000080, 0x00400001, 0x00000001, 0x00400080, - 0x00000000, 0x00400081, 0x00400080, 0x00001080, - 0x00000081, 0x00001000, 0x00401081, 0x00400000, - 0x00401080, 0x00000001, 0x00001001, 0x00401081, - 0x00400001, 0x00401080, 0x00401000, 0x00001001, - }, - { - /* nibble 7 */ - 0x08200020, 0x08208000, 0x00008020, 0x00000000, - 0x08008000, 0x00200020, 0x08200000, 0x08208020, - 0x00000020, 0x08000000, 0x00208000, 0x00008020, - 0x00208020, 0x08008020, 0x08000020, 0x08200000, - 0x00008000, 0x00208020, 0x00200020, 0x08008000, - 0x08208020, 0x08000020, 0x00000000, 0x00208000, - 0x08000000, 0x00200000, 0x08008020, 0x08200020, - 0x00200000, 0x00008000, 0x08208000, 0x00000020, - 0x00200000, 0x00008000, 0x08000020, 0x08208020, - 0x00008020, 0x08000000, 0x00000000, 0x00208000, - 0x08200020, 0x08008020, 0x08008000, 0x00200020, - 0x08208000, 0x00000020, 0x00200020, 0x08008000, - 0x08208020, 0x00200000, 0x08200000, 0x08000020, - 0x00208000, 0x00008020, 0x08008020, 0x08200000, - 0x00000020, 0x08208000, 0x00208020, 0x00000000, - 0x08000000, 0x08200020, 0x00008000, 0x00208020 - } - }; - - private static final int cov_2char[] = - { - 0x2E, 0x2F, 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, - 0x36, 0x37, 0x38, 0x39, 0x41, 0x42, 0x43, 0x44, - 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x4B, 0x4C, - 0x4D, 0x4E, 0x4F, 0x50, 0x51, 0x52, 0x53, 0x54, - 0x55, 0x56, 0x57, 0x58, 0x59, 0x5A, 0x61, 0x62, - 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, - 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70, 0x71, 0x72, - 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A - }; - - private static final int byteToUnsigned(byte b) - { - int value = (int)b; - - return(value >= 0 ? value : value + 256); - } - - private static int fourBytesToInt(byte b[], int offset) - { - int value; - - value = byteToUnsigned(b[offset++]); - value |= (byteToUnsigned(b[offset++]) << 8); - value |= (byteToUnsigned(b[offset++]) << 16); - value |= (byteToUnsigned(b[offset++]) << 24); - - return(value); - } - - private static final void intToFourBytes(int iValue, byte b[], int offset) - { - b[offset++] = (byte)((iValue) & 0xff); - b[offset++] = (byte)((iValue >>> 8 ) & 0xff); - b[offset++] = (byte)((iValue >>> 16) & 0xff); - b[offset++] = (byte)((iValue >>> 24) & 0xff); - } - - private static final void PERM_OP(int a, int b, int n, int m, int results[]) - { - int t; - - t = ((a >>> n) ^ b) & m; - a ^= t << n; - b ^= t; - - results[0] = a; - results[1] = b; - } - - private static final int HPERM_OP(int a, int n, int m) - { - int t; - - t = ((a << (16 - n)) ^ a) & m; - a = a ^ t ^ (t >>> (16 - n)); - - return(a); - } - - private static int [] des_set_key(byte key[]) - { - int schedule[] = new int[ITERATIONS * 2]; - - int c = fourBytesToInt(key, 0); - int d = fourBytesToInt(key, 4); - - int results[] = new int[2]; - - PERM_OP(d, c, 4, 0x0f0f0f0f, results); - d = results[0]; c = results[1]; - - c = HPERM_OP(c, -2, 0xcccc0000); - d = HPERM_OP(d, -2, 0xcccc0000); - - PERM_OP(d, c, 1, 0x55555555, results); - d = results[0]; c = results[1]; - - PERM_OP(c, d, 8, 0x00ff00ff, results); - c = results[0]; d = results[1]; - - PERM_OP(d, c, 1, 0x55555555, results); - d = results[0]; c = results[1]; - - d = (((d & 0x000000ff) << 16) | (d & 0x0000ff00) | - ((d & 0x00ff0000) >>> 16) | ((c & 0xf0000000) >>> 4)); - c &= 0x0fffffff; - - int s, t; - int j = 0; - - for(int i = 0; i < ITERATIONS; i ++) - { - if(shifts2[i]) - { - c = (c >>> 2) | (c << 26); - d = (d >>> 2) | (d << 26); - } - else - { - c = (c >>> 1) | (c << 27); - d = (d >>> 1) | (d << 27); - } - - c &= 0x0fffffff; - d &= 0x0fffffff; - - s = skb[0][ (c ) & 0x3f ]| - skb[1][((c >>> 6) & 0x03) | ((c >>> 7) & 0x3c)]| - skb[2][((c >>> 13) & 0x0f) | ((c >>> 14) & 0x30)]| - skb[3][((c >>> 20) & 0x01) | ((c >>> 21) & 0x06) | - ((c >>> 22) & 0x38)]; - - t = skb[4][ (d ) & 0x3f ]| - skb[5][((d >>> 7) & 0x03) | ((d >>> 8) & 0x3c)]| - skb[6][ (d >>>15) & 0x3f ]| - skb[7][((d >>>21) & 0x0f) | ((d >>> 22) & 0x30)]; - - schedule[j++] = ((t << 16) | (s & 0x0000ffff)) & 0xffffffff; - s = ((s >>> 16) | (t & 0xffff0000)); - - s = (s << 4) | (s >>> 28); - schedule[j++] = s & 0xffffffff; - } - return(schedule); - } - - private static final int D_ENCRYPT - ( - int L, int R, int S, int E0, int E1, int s[] - ) - { - int t, u, v; - - v = R ^ (R >>> 16); - u = v & E0; - v = v & E1; - u = (u ^ (u << 16)) ^ R ^ s[S]; - t = (v ^ (v << 16)) ^ R ^ s[S + 1]; - t = (t >>> 4) | (t << 28); - - L ^= SPtrans[1][(t ) & 0x3f] | - SPtrans[3][(t >>> 8) & 0x3f] | - SPtrans[5][(t >>> 16) & 0x3f] | - SPtrans[7][(t >>> 24) & 0x3f] | - SPtrans[0][(u ) & 0x3f] | - SPtrans[2][(u >>> 8) & 0x3f] | - SPtrans[4][(u >>> 16) & 0x3f] | - SPtrans[6][(u >>> 24) & 0x3f]; - - return(L); - } - - private static final int [] body(int schedule[], int Eswap0, int Eswap1) - { - int left = 0; - int right = 0; - int t = 0; - - for(int j = 0; j < 25; j ++) - { - for(int i = 0; i < ITERATIONS * 2; i += 4) - { - left = D_ENCRYPT(left, right, i, Eswap0, Eswap1, schedule); - right = D_ENCRYPT(right, left, i + 2, Eswap0, Eswap1, schedule); - } - t = left; - left = right; - right = t; - } - - t = right; - - right = (left >>> 1) | (left << 31); - left = (t >>> 1) | (t << 31); - - left &= 0xffffffff; - right &= 0xffffffff; - - int results[] = new int[2]; - - PERM_OP(right, left, 1, 0x55555555, results); - right = results[0]; left = results[1]; - - PERM_OP(left, right, 8, 0x00ff00ff, results); - left = results[0]; right = results[1]; - - PERM_OP(right, left, 2, 0x33333333, results); - right = results[0]; left = results[1]; - - PERM_OP(left, right, 16, 0x0000ffff, results); - left = results[0]; right = results[1]; - - PERM_OP(right, left, 4, 0x0f0f0f0f, results); - right = results[0]; left = results[1]; - - int out[] = new int[2]; - - out[0] = left; out[1] = right; - - return(out); - } - - /** - * <P>Encrypt a password given the cleartext password and a "salt".</P> - * @param salt A two-character string representing the salt used to - * iterate the encryption engine in lots of different ways. If you - * are generating a new encryption then this value should be - * randomised. - * @param original The password to be encrypted. - * @return A string consisting of the 2-character salt followed by the - * encrypted password. - */ - public static final String crypt(String salt, String original) - { - while(salt.length() < 2) - salt += "A"; - - StringBuffer buffer = new StringBuffer(" "); - - char charZero = salt.charAt(0); - char charOne = salt.charAt(1); - - buffer.setCharAt(0, charZero); - buffer.setCharAt(1, charOne); - - int Eswap0 = con_salt[(int)charZero]; - int Eswap1 = con_salt[(int)charOne] << 4; - - byte key[] = new byte[8]; - - for(int i = 0; i < key.length; i ++) - key[i] = (byte)0; - - for(int i = 0; i < key.length && i < original.length(); i ++) - { - int iChar = (int)original.charAt(i); - - key[i] = (byte)(iChar << 1); - } - - int schedule[] = des_set_key(key); - int out[] = body(schedule, Eswap0, Eswap1); - - byte b[] = new byte[9]; - - intToFourBytes(out[0], b, 0); - intToFourBytes(out[1], b, 4); - b[8] = 0; - - for(int i = 2, y = 0, u = 0x80; i < 13; i ++) - { - for(int j = 0, c = 0; j < 6; j ++) - { - c <<= 1; - - if(((int)b[y] & u) != 0) - c |= 1; - - u >>>= 1; - - if(u == 0) - { - y++; - u = 0x80; - } - buffer.setCharAt(i, (char)cov_2char[c]); - } - } - return(buffer.toString()); - } - - /** - * <P>Encrypt a password given the cleartext password. This method - * generates a random salt using the 'java.util.Random' class.</P> - * @param original The password to be encrypted. - * @return A string consisting of the 2-character salt followed by the - * encrypted password. - */ - public static final String crypt(String original) - { - java.util.Random randomGenerator = new java.util.Random(); - int numSaltChars = saltChars.length; - String salt; - - salt = (new StringBuffer()).append(saltChars[Math.abs(randomGenerator.nextInt()) % numSaltChars]).append(saltChars[Math.abs(randomGenerator.nextInt()) % numSaltChars]).toString(); - - return crypt(salt, original); - } - - /** - * <P>Check that <I>enteredPassword</I> encrypts to - * <I>encryptedPassword</I>.</P> - * @param encryptedPassword The <I>encryptedPassword</I>. The first - * two characters are assumed to be the salt. This string would - * be the same as one found in a Unix <U>/etc/passwd</U> file. - * @param enteredPassword The password as entered by the user (or - * otherwise aquired). - * @return <B>true</B> if the password should be considered correct. - */ - public final static boolean matches(String encryptedPassword, String enteredPassword) - { - String salt = encryptedPassword.substring(0, 3); - String newCrypt = crypt(salt, enteredPassword); - - return newCrypt.equals(encryptedPassword); - } -} - |