How to unzip a encrypted zip file in unix

Hi Experts,
when i am trying to unzip a zip file in unix. error showing given below
$ unzip -o -P yareea 46 20120119_134107~20120118_000101.CUST_RFRSH_RESP.DNB.20111130.TXT.zip
Archive: 20120119_134107~20120118_000101.CUST_RFRSH_RESP.DNB.20111130.TXT.zip
End-of-central-directory signature not found. Either this file is not
a zipfile, or it constitutes one disk of a multi-part archive. In the
latter case the central directory and zipfile comment will be found on
the last disk(s) of this archive.
note: 20120119_134107~20120118_000101.CUST_RFRSH_RESP.DNB.20111130.TXT.zip may be a plain executable, not an archive
unzip: cannot find zipfile directory in one of 20120119_134107~20120118_000101.CUST_RFRSH_RESP.DNB.20111130.TXT.zip or
20120119_134107~20120118_000101.CUST_RFRSH_RESP.DNB.20111130.TXT.zip.zip, and cannot find 20120119_134107~20120118_000101.CUST_RFRSH_RESP.DNB.20111130.TXT.zip.ZIP, period.
plese do needful.. its urget...
Regards,
Sri.

hi,
I tried with renaming of file
$ mv 20120119_134107~20120118_000101.CUST_RFRSH_RESP.DNB.20111130.TXT.zip file.zip
$ unzip -P Marketintelligence2 file.zip
Archive: file.zip
End-of-central-directory signature not found. Either this file is not
a zipfile, or it constitutes one disk of a multi-part archive. In the
latter case the central directory and zipfile comment will be found on
the last disk(s) of this archive.
note: file.zip may be a plain executable, not an archive
unzip: cannot find zipfile directory in one of file.zip or
file.zip.zip, and cannot find file.zip.ZIP, period.
eventhough its giving same result.

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How to unzip a encrypted zip file in unix

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