Simone Giannecchini ha scritto: > Ciao mj, > well if the question is if it possible to decrypt a geotiff on the fly > using the actual GeoTiffReader (2.3.x and above) the answer is yeah > (ok, I have to check but I am pretty positive :-) ). You would have to > create your own ImageInputStream outside the reader using a > CypherInputStream. > > However the point here is not the GeoTiffReader but how ImageIO > manages stream. It has its own stack of streams implementing the > ImageInputStream interface, hence the best thing to do would be > writing a dedicate ImageInputStream that uses the decorator > pattern (much like FilterInputStream) to decrypt the image on the fly > with highest performances. Once we are there we could even do the > converse that is writing an ImageOutputStream that does the opposite. > If you are interested we can find a way to implement this pretty > quickly. > > > Regards, > Simone. > > > > > On 11/13/06, mj <[EMAIL PROTECTED]> wrote: >> Hello, >> I encrypted a Image with javax.crypto, is possible pass to the >> GeoTiffReader a Cipher class to decrypt the image. >> >> Thanks >> >> Mario >> >> >> ------------------------------------------------------------------------- >> >> Using Tomcat but need to do more? Need to support web services, >> security? >> Get stuff done quickly with pre-integrated technology to make your >> job easier >> Download IBM WebSphere Application Server v.1.0.1 based on Apache >> Geronimo >> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 >> _______________________________________________ >> Geotools-gt2-users mailing list >> [email protected] >> https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users >> > > Ciao, yes I am interessed in an ImageInputStream /ImageOutputStream for teh encryption/decryption of images. How I can contribute to help you?.
Regards Mario ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Geotools-gt2-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geotools-gt2-users
