+/* Macros to test if a pkey or ctx is for a PSS key */
+#define pkey_is_pss(pkey) (pkey->ameth->pkey_id == EVP_PKEY_RSA_PSS)
+#define pkey_ctx_is_pss(ctx) (ctx->pmeth->pkey_id == EVP_PKEY_RSA_PSS)
+
+RSA_PSS_PARAMS *rsa_pss_params_create(const EVP_MD *sigmd,
+ const EVP_MD *mgf1md, int saltlen);
+int rsa_pss_get_param(const RSA_PSS_PARAMS *pss, const EVP_MD **pmd,
+ const EVP_MD **pmgf1md, int *psaltlen);
+/* internal function to clear and free multi-prime parameters */
+void rsa_multip_info_free_ex(RSA_PRIME_INFO *pinfo);
+void rsa_multip_info_free(RSA_PRIME_INFO *pinfo);
+RSA_PRIME_INFO *rsa_multip_info_new(void);
+int rsa_multip_calc_product(RSA *rsa);
+int rsa_multip_cap(int bits);