Hello, > > > > RSA_public_encrypt(size, inText, sigBuffer, rsaPubKey, > > > > RSA_PKCS1_OAEP_PADDING); > > > > Ooops, you just threw away the return value from > > > RSA_public_encrypt. So how > > > are you going to know how big the signature is? > > > RSA_size() > > I thought RSA_size gave the modulus size, which is also the maximum size for > what you can sign or encrypt or the resulting signature or encrypted output. Yes and no - you may be not able to encrypt some data even it is not bigger than this number but bigger then modulus (as number).
> Is it always guaranteed that an RSA signature will always be exactly this > size? In OpenSSL - yes. > Is there some reason it can't be, say, a byte shorter? In other implementation - I do not know. Best regards, -- Marek Marcola <[EMAIL PROTECTED]> ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List [email protected] Automated List Manager [EMAIL PROTECTED]
