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java Programming Glossary: hexConvert a string representation of a hex dump to a byte array using Java? http://stackoverflow.com/questions/140131/convert-a-string-representation-of-a-hex-dump-to-a-byte-array-using-java a string representation of a hex dump to a byte array using Java I am looking for a way to convert.. a way to convert a long string from a dump that represents hex values into a byte array. I couldn't have phrased it better.. and ended up using BigInteger and watching out for leading hex zeros. But I think it is ugly and I am sure I am missing something..
Fastest way to determine if an integer's square root is an integer http://stackoverflow.com/questions/295579/fastest-way-to-determine-if-an-integers-square-root-is-an-integer was made by John D. Cook . You can observe that the last hex digit i.e. the last 4 bits of a perfect square must be 0 1 4..
In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? http://stackoverflow.com/questions/332079/in-java-how-do-i-convert-a-byte-array-to-a-string-of-hex-digits-while-keeping-l Java how do I convert a byte array to a string of hex digits while keeping leading zeros I'm working with some example.. One part converts the results from bytes to a string of hex digits byte messageDigest algorithm.digest StringBuffer hexString.. digits byte messageDigest algorithm.digest StringBuffer hexString new StringBuffer for int i 0 i messageDigest.length i..
Howto unescape a Java string literal in Java http://stackoverflow.com/questions/3537706/howto-unescape-a-java-string-literal-in-java is 37777777777 Control chars cX Means ord X ^ ord '@' Old hex escapes xXX unbraced must be 2 xdigits Perl hex escapes x XXX.. '@' Old hex escapes xXX unbraced must be 2 xdigits Perl hex escapes x XXX braced may be 1 8 xdigits NB proper Unicode never.. int ch oldstr.charAt i j if ch 127 die illegal non ASCII hex digit in x escape if saw_brace ch ' ' break for if ch '0'..
http://stackoverflow.com/questions/1314568/java-file-to-hex File to Hex I have a file in Java FileInputStream in null try in new FileInputStream.. import java.io.IOException public class BinToHex private final static String hexSymbols 0 1 2 3 4 5 6 7 8 9 a.. static int BITS_PER_HEX_DIGIT 4 public static String toHexFromByte final byte b byte leftSymbol byte b BITS_PER_HEX_DIGIT..
Is it possible to extend Java Enums? http://stackoverflow.com/questions/2642281/is-it-possible-to-extend-java-enums Digits public enum Digit 0 1 2 3 4 5 6 7 8 9 public class HexDigits extends Digits public enum Digit A B C D E F so that HexDigits.Digit.. extends Digits public enum Digit A B C D E F so that HexDigits.Digit contains all Hex Digits. Is that possible java.. Digit A B C D E F so that HexDigits.Digit contains all Hex Digits. Is that possible java enums share improve this question..
Java: resume Download in URLConnection http://stackoverflow.com/questions/3414438/java-resume-download-in-urlconnection 72720 Then Tried to resume it. Then I opened file with a Hex editor At offset 72720 the first Bytes are repeated Bytes 0..
http://stackoverflow.com/questions/3451670/java-aes-and-using-my-own-key secrectID .getBytes System.out.println encrypted string asHex encrypted cipher.init Cipher.DECRYPT_MODE secretKeySpec byte.. Original string originalString nOriginal string Hex asHex original Right now I get an exception Invalid AES key.. Original string originalString nOriginal string Hex asHex original Right now I get an exception Invalid AES key length..
Literal Syntax For byte[] arrays using Hex notation..? http://stackoverflow.com/questions/3516021/literal-syntax-for-byte-arrays-using-hex-notation Syntax For byte arrays using Hex notation.. The compiler seems to be ok with this single digit..
Android - how to encrypt a string? http://stackoverflow.com/questions/3934331/android-how-to-encrypt-a-string s.getBytes byte messageDigest digest.digest Create Hex String StringBuffer hexString new StringBuffer for int i 0 i.. i 0 i messageDigest.length i hexString.append Integer.toHexString 0xFF messageDigest i return hexString.toString catch NoSuchAlgorithmException..
URLEncoder not able to translate space character http://stackoverflow.com/questions/4737841/urlencoder-not-able-to-translate-space-character Hello World UTF 8 to output Hello 20World 20 is ASCII Hex code for space However what I get is Hello World Am I using..
http://stackoverflow.com/questions/4895523/java-string-to-sha1 share improve this question Convert your Byte Array to Hex String. Real's How To tells you how . return byteArrayToHexString.. String. Real's How To tells you how . return byteArrayToHexString md.digest convertme and copied from Real's How To public.. copied from Real's How To public static String byteArrayToHexString byte b String result for int i 0 i b.length i result Integer.toString..
AES Encryption in Java and Decryption in C# http://stackoverflow.com/questions/5295110/aes-encryption-in-java-and-decryption-in-c-sharp in Java and Decryption in C# Hello I've Encrypted Hex string and Key that has been encrypted using standard AES Algorithm... return new String org.apache.commons.codec.binary.Hex.encodeHex encryptedValue Now I try to decrypt it using C# Code.. new String org.apache.commons.codec.binary.Hex.encodeHex encryptedValue Now I try to decrypt it using C# Code RijndaelManaged..
Translating a String containing a binary value to Hex http://stackoverflow.com/questions/5759999/translating-a-string-containing-a-binary-value-to-hex a String containing a binary value to Hex I am trying to translate a String that contains a binary value.. that contains a binary value e.g. 000010001010011 to it's Hex value. 453 I've been trying several options but mostly I get.. I currently have something like this String bin Integer.toHexString Integer.parseInt binOutput But this does not work at all...
Hexadecimal to Integer in Java http://stackoverflow.com/questions/5886619/hexadecimal-to-integer-in-java to Integer in Java I am trying to convert a String.. yours you could use Integer.parseInt hex 16 to convert a Hex String into an integer. String hex ff int value Integer.parseInt..
HMAC-SHA1: How to do it properly in Java? http://stackoverflow.com/questions/6312544/hmac-sha1-how-to-do-it-properly-in-java rawHmac mac.doFinal value.getBytes Convert raw bytes to Hex byte hexBytes new Hex .encode rawHmac Covert array of Hex bytes.. value.getBytes Convert raw bytes to Hex byte hexBytes new Hex .encode rawHmac Covert array of Hex bytes to a String return.. Hex byte hexBytes new Hex .encode rawHmac Covert array of Hex bytes to a String return new String hexBytes UTF 8 catch Exception..
GlassFish JDBC Realm Group Membership http://stackoverflow.com/questions/6809081/glassfish-jdbc-realm-group-membership value jdbcRealm property property name encoding value Hex property property description null name password column value..
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