problem in conversion rsa private key in descriper in symbian

i want to store RSA public key and private key in database

iRSAKeyPair = CRSAKeyPair::NewL(aModulusBits, EStandardCRT) ;

const CRSAPublicKey &iRSAPublicKey =iRSAKeyPair->PublicKey() ;

const CRSAPrivateKey &iRSAPrivateKey =iRSAKeyPair->PrivateKey();

but there is no datamember in开发者_开发技巧 CRSAPrivateKey for conv in descripter

is there any way for conversion of pointer or refenece in descripter

thanks in advance

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See regarding-conversion-from-reference-to-string