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Base64 1.9

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General Info

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Publisher: Canadian Mind Products

OS Support: Java, Linux, Mac OS X, Unix, Win2000, Win7 x32, Win7 x64, WinServer, WinXP, Win Vista

License: Freeware

Date added: 15 Aug 2010

Last Update: 19 May 2007

Downloads: Total: 76

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Publisher's description

Java classes to encode/decode Base64 and Base64u

Base64 is a freeware way of encoding 8-bit characters usingonly ASCII printable characters similar to UUENCODE.UUENCODE embeds a filename where BASE64 does not. You willsee BASE64 used in encoding digital certificates, inencoding user:password string in an Authorization: headerfor HTTP. The spec is described in RFC 2045.Don't confuse Base64 with x-www-form-urlencoded whichis handled by java.net.URLEncoder.encode/decode orBase64u.Base64 armouring uses only the characters A-Z a-z 0-9 +/=.This makes it suitable for encoding binary data as SQLstrings, that will work no matter what the encoding.Unfortunately + / and = all have special meaning in URLs.Base64u gets around this problem. It is a variant on Base64that uses - _ and * in preference to + / and =, so that itcan be used in URLEncoded contexts with or withoutURLEncoding.Use base64 like Base64 armouringimport com.mindprod.base64.Base64;...// sample byte array to encodebyte[] toSend = { (byte)0xfc, (byte)0x0f, (byte)0xc0};// create encoder objectBase64 base64 = new Base64();base64.setLineLength( 72 ); // default// encoding a byte[]String send = base64.encoder( toSend );// decoding a byte[]byte[] reconstituted = base64.decoder( sent );use Base64u the same Base64u armouringimport com.mindprod.base64.Base64u;...// sample byte array to encodebyte[] toSend = { (byte)0xfc, (byte)0x0f, (byte)0xc0};// create encoder objectBase64u base64u = new Base64u();base64u.setLineLength( 72 ); // default// encoding a byte[]String send = base64u.encoder( toSend );// decoding a byte[]byte[] reconstituted = base64u.decoder( sent );For an example that starts and ends with a String, seeExample.javato run:java.exe com.mindprod.base64.Example

Version History

Version 1.9 added on: 19 May 2007

Related Tags:

Base64 Base64u encode decode armouring printable 6-bit 8-bit UUENCODE UUDECODE

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56K: 1m 13s
64K: 1m 4s
128K: 32s
768K: 4s
1.44M: 3s