On 19 March 2013 12:22, azhar jodatti <azhar...@gmail.com> wrote:
> PEM_write_bio_DHparams(out, temp);//this prints public key in base64
> (this is what i think :) )
This is NOT a base64 representation of the public key. This is
printing out the parameters only (which does not include the public
key)
> X509EncodedKeySpec x509KeySpec = new
> X509EncodedKeySpec(clientPubKeyEnc);
> PublicKey alicePubKey = bobKeyFac.generatePublic(x509KeySpec); //
> this throws invalidKeySpecException : invalid key specification
>
Instead of above, try something like this:
BigInteger y = new
BigInteger("4373485839237796166699589228729451887524557806298817546317652313209684941935291316056752499275686842785989445002203537603465313281932431907074220666705812428468899520395399424699433568818334649395647035588736697462362131440308900155995886437558059484184376957451229991382889256903754886307405909744230582829");
BigInteger p = new
BigInteger("106824077746282794452228647025839229808074839339760371103063155402464842614962676228255294325459053774613506891207056818441720848774298482866918174271328357364028843638451324415691330056638482781344307395975948664971732094293996189467599104442989563027727348339786810653279203313302815966250977426622843204103");
BigInteger g = new BigInteger("5");
DHPublicKeySpec dhKeySpec = new DHPublicKeySpec(y, p, g);
PublicKey alicPubKey = bobKeyFac.generatePublic(dhKeySpec);
Matt
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