OSSL_CMP_CTX_get0_newPkey
EVP_PKEY *new_key = OSSL_CMP_CTX_get0_newPkey(cmp_ctx, 1 /* priv */);
pkey = OSSL_CMP_CTX_get0_newPkey(ctx, 1);
EVP_PKEY *privkey = OSSL_CMP_CTX_get0_newPkey(ctx, 1);
EVP_PKEY *OSSL_CMP_CTX_get0_newPkey(const OSSL_CMP_CTX *ctx, int priv);