基于密文属性加密cpabe

/*
 * Decrypt the specified ciphertext using the given private key.
 */
public void dec（String pubfile String prvfile String encfile String decfile） 

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

    .......       532  2014-07-24 04:26  cpabe-masterAUTHORS.md

    .......     15127  2014-07-24 04:26  cpabe-masterCOPYING

    .......      2923  2014-07-24 04:26  cpabe-masterdocabstract.tex

    .......       523  2014-07-24 04:26  cpabe-masterdocappendix.tex

    .......   1158708  2014-07-24 04:26  cpabe-masterdocBachelor-Thesis.pdf

    .......      5119  2014-07-24 04:26  cpabe-masterdocackground.tex

    .......      9485  2014-07-24 04:26  cpabe-masterdocconstruction.tex

    .......       153  2014-07-24 04:26  cpabe-masterdocDec.java

    .......      1832  2014-07-24 04:26  cpabe-masterdocDemoForCpabe.java

    .......       521  2014-07-24 04:26  cpabe-masterdocEnc.java

    .......      2918  2014-07-24 04:26  cpabe-masterdocgraduation_design.bib

    .......      4203  2014-07-24 04:26  cpabe-masterdocgraduation_design.tex

    .......        78  2014-07-24 04:26  cpabe-masterdocHelloWorld.java

    .......      5722  2014-07-24 04:26  cpabe-masterdocimplementation.tex

    .......      7831  2014-07-24 04:26  cpabe-masterdocintroduction.tex

    .......       151  2014-07-24 04:26  cpabe-masterdocKeygen.java

    .......       492  2014-07-24 04:26  cpabe-masterdocMakefile

    .......      1256  2014-07-24 04:26  cpabe-masterdoc
elated_work.tex

    .......      5536  2014-07-24 04:26  cpabe-masterdocsdu_pic.jpg

    .......       119  2014-07-24 04:26  cpabe-masterdocSetup.java

    .......       947  2014-07-24 04:26  cpabe-masterdoc itlepage.tex

    .......       269  2014-07-24 04:26  cpabe-masterINSTALL

    .......       495  2014-07-24 04:26  cpabe-masterREADME

    .......     15788  2014-07-24 04:26  cpabe-mastersrcswabeBswabe.java

    .......       426  2014-07-24 04:26  cpabe-mastersrcswabeBswabeCph.java

    .......       211  2014-07-24 04:26  cpabe-mastersrcswabeBswabeCphKey.java

    .......       225  2014-07-24 04:26  cpabe-mastersrcswabeBswabeElementBoolean.java

    .......       184  2014-07-24 04:26  cpabe-mastersrcswabeBswabeMsk.java

    .......       606  2014-07-24 04:26  cpabe-mastersrcswabeBswabePolicy.java

    .......       193  2014-07-24 04:26  cpabe-mastersrcswabeBswabePolynomial.java

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