On Mon, Aug 15, 2016, Norm Green wrote: > Ok, thanks. > > What I don't understand is what key transport has to do with > EV_SealInit() ? Why is key transport important here ? > Because EVP_SealInit() generates a random symmetric key and encrypts it using one or more public keys. For this to work the public key algorithm has to support encryption of the symmetric key using a public key aka key transport. Of the public key algorithms OpenSSL currently implements only RSA has that operation. Steve. -- Dr Stephen N. Henson. OpenSSL project core developer. Commercial tech support now available see: http://www.openssl.org
