PKCS7_SIGNER_INFO_set
LCRYPTO_USED(PKCS7_SIGNER_INFO_set);
LCRYPTO_ALIAS(PKCS7_SIGNER_INFO_set);
if (!PKCS7_SIGNER_INFO_set(si, x509, pkey, dgst))
int PKCS7_SIGNER_INFO_set(PKCS7_SIGNER_INFO *p7i, X509 *x509, EVP_PKEY *pkey,