PKCS7_SIGNER_INFO_new
LCRYPTO_USED(PKCS7_SIGNER_INFO_new);
LCRYPTO_ALIAS(PKCS7_SIGNER_INFO_new);
if ((si = PKCS7_SIGNER_INFO_new()) == NULL)
PKCS7_SIGNER_INFO *PKCS7_SIGNER_INFO_new(void);