OSSL_CMP_CTX_get0_trusted
X509_STORE *ts = OSSL_CMP_CTX_get0_trusted(ctx);
X509_STORE *ts = OSSL_CMP_CTX_get0_trusted(fixture->cmp_ctx);
return X509_STORE_add_cert(OSSL_CMP_CTX_get0_trusted(ctx), cert);
ts = OSSL_CMP_CTX_get0_trusted(fixture->cmp_ctx);
X509_STORE *ts = OSSL_CMP_CTX_get0_trusted((*fixture)->cmp_ctx);