Thread: VB.NET to C++ (Linux) code conversion

im having small problem. writing program registration system vb.net app. works great need generate same codes on web aswell. 2 of functions im using bit confusing me. me out on porting these 2 functions php or linux executable call php script.

here 2 functions.

code:

private function tripledesencode(byval value string, byval key string) string         dim des new security.cryptography.tripledescryptoserviceprovider         des.iv = new byte(7) {}         dim tiv() byte = new byte(-1) {}         dim pdb new security.cryptography.passwordderivebytes(key, tiv)         des.key = pdb.cryptderivekey("rc2", "md5", 128, new byte(7) {})         dim ms new io.memorystream((value.length * 2) - 1)         dim encstream new security.cryptography.cryptostream(ms, des.createencryptor(), security.cryptography.cryptostreammode.write)         dim plainbytes byte() = encoding.utf8.getbytes(value)         encstream.write(plainbytes, 0, plainbytes.length)         encstream.flushfinalblock()         dim encryptedbytes(cint(ms.length - 1)) byte         ms.position = 0         ms.read(encryptedbytes, 0, cint(ms.length))         encstream.close()         des = nothing         pdb = nothing         ms = nothing         encstream = nothing         plainbytes = nothing         return convert.tobase64string(encryptedbytes)         encryptedbytes = nothing     end function     private function tripledesdecode(byval value string, byval key string) string         dim des new security.cryptography.tripledescryptoserviceprovider         des.iv = new byte(7) {}         dim pdb new security.cryptography.passwordderivebytes(key, new byte(-1) {})         des.key = pdb.cryptderivekey("rc2", "md5", 128, new byte(7) {})         dim encryptedbytes byte() = convert.frombase64string(value)         dim ms new io.memorystream(value.length)         dim decstream new security.cryptography.cryptostream(ms, des.createdecryptor(), security.cryptography.cryptostreammode.write)         decstream.write(encryptedbytes, 0, encryptedbytes.length)         decstream.flushfinalblock()         dim plainbytes(cint(ms.length - 1)) byte         ms.position = 0         ms.read(plainbytes, 0, cint(ms.length))         decstream.close()         des = nothing         pdb = nothing         ms = nothing         decstream = nothing         return encoding.utf8.getstring(plainbytes)         plainbytes = nothing     end function

you should able run vb.net code in linux, myself on webserver. need install mono (linux version of .net framework).http://www.mono-project.com/main_page

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