Tadeusz Struk <tadeusz.struk@xxxxxxxxx> wrote: > > (2) rsa-pkcs1pad needs to indicate what the maximum content size is, given > > the minimum possible padding for the specified hash type (ie. a > > particular OID). > > The user needs to use crypto_akcipher_maxsize(tfm) to get the required buffer > size for a given key. > We do check if the buffer if big enough to accommodate padding and hash info. > This is needed in sign and encrypt operations, and in both cases we check it, > sign: > https://git.kernel.org/cgit/linux/kernel/git/herbert/cryptodev-2.6.git/tree/crypto/rsa-pkcs1pad.c#n434 > and encrypt: > https://git.kernel.org/cgit/linux/kernel/git/herbert/cryptodev-2.6.git/tree/crypto/rsa-pkcs1pad.c#n252 Can you supply a way to find out the reduced size from the padding? David -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
