PKCS7_SIGN_ENVELOPE_new
LCRYPTO_USED(PKCS7_SIGN_ENVELOPE_new);
LCRYPTO_ALIAS(PKCS7_SIGN_ENVELOPE_new);
PKCS7_SIGN_ENVELOPE_new()) == NULL)
PKCS7_SIGN_ENVELOPE *PKCS7_SIGN_ENVELOPE_new(void);