cleartext signing (multipart/signed type) is effectively streaming
and the signed data does not need to be all held in memory.
- This is done with a new flag PKCS7_PARTSIGN. When this flag is set
+ This is done with a new flag PKCS7_STREAM. When this flag is set
PKCS7_sign() only initializes the PKCS7 structure and the actual signing
is done after the data is output (and digests calculated) in
SMIME_write_PKCS7().