+/* RFC 5114 parameters */
+DH *DH_get_1024_160(void);
+DH *DH_get_2048_224(void);
+DH *DH_get_2048_256(void);
+
+/* RFC2631 KDF */
+int DH_KDF_X9_42(unsigned char *out, size_t outlen,
+ const unsigned char *Z, size_t Zlen,
+ ASN1_OBJECT *key_oid,
+ const unsigned char *ukm, size_t ukmlen,
+ const EVP_MD *md);
+
+#define EVP_PKEY_CTX_set_dh_paramgen_prime_len(ctx, len) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_PARAMGEN, \
+ EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN, len, NULL)
+
+#define EVP_PKEY_CTX_set_dh_paramgen_subprime_len(ctx, len) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_PARAMGEN, \
+ EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN, len, NULL)
+
+#define EVP_PKEY_CTX_set_dh_paramgen_type(ctx, typ) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_PARAMGEN, \
+ EVP_PKEY_CTRL_DH_PARAMGEN_TYPE, typ, NULL)
+
+#define EVP_PKEY_CTX_set_dh_paramgen_generator(ctx, gen) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DH, EVP_PKEY_OP_PARAMGEN, \
+ EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR, gen, NULL)
+
+#define EVP_PKEY_CTX_set_dh_rfc5114(ctx, gen) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, EVP_PKEY_OP_PARAMGEN, \
+ EVP_PKEY_CTRL_DH_RFC5114, gen, NULL)
+
+#define EVP_PKEY_CTX_set_dhx_rfc5114(ctx, gen) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, EVP_PKEY_OP_PARAMGEN, \
+ EVP_PKEY_CTRL_DH_RFC5114, gen, NULL)
+
+#define EVP_PKEY_CTX_set_dh_kdf_type(ctx, kdf) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, \
+ EVP_PKEY_OP_DERIVE, \
+ EVP_PKEY_CTRL_DH_KDF_TYPE, kdf, NULL)
+
+#define EVP_PKEY_CTX_get_dh_kdf_type(ctx) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, \
+ EVP_PKEY_OP_DERIVE, \
+ EVP_PKEY_CTRL_DH_KDF_TYPE, -2, NULL)
+
+#define EVP_PKEY_CTX_set0_dh_kdf_oid(ctx, oid) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, \
+ EVP_PKEY_OP_DERIVE, \
+ EVP_PKEY_CTRL_DH_KDF_OID, 0, (void *)oid)
+
+#define EVP_PKEY_CTX_get0_dh_kdf_oid(ctx, poid) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, \
+ EVP_PKEY_OP_DERIVE, \
+ EVP_PKEY_CTRL_GET_DH_KDF_OID, 0, (void *)poid)
+
+#define EVP_PKEY_CTX_set_dh_kdf_md(ctx, md) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, \
+ EVP_PKEY_OP_DERIVE, \
+ EVP_PKEY_CTRL_DH_KDF_MD, 0, (void *)md)
+
+#define EVP_PKEY_CTX_get_dh_kdf_md(ctx, pmd) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, \
+ EVP_PKEY_OP_DERIVE, \
+ EVP_PKEY_CTRL_GET_DH_KDF_MD, 0, (void *)pmd)
+
+#define EVP_PKEY_CTX_set_dh_kdf_outlen(ctx, len) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, \
+ EVP_PKEY_OP_DERIVE, \
+ EVP_PKEY_CTRL_DH_KDF_OUTLEN, len, NULL)
+
+#define EVP_PKEY_CTX_get_dh_kdf_outlen(ctx, plen) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, \
+ EVP_PKEY_OP_DERIVE, \
+ EVP_PKEY_CTRL_GET_DH_KDF_OUTLEN, 0, (void *)plen)
+
+#define EVP_PKEY_CTX_set0_dh_kdf_ukm(ctx, p, plen) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, \
+ EVP_PKEY_OP_DERIVE, \
+ EVP_PKEY_CTRL_DH_KDF_UKM, plen, (void *)p)
+
+#define EVP_PKEY_CTX_get0_dh_kdf_ukm(ctx, p) \
+ EVP_PKEY_CTX_ctrl(ctx, EVP_PKEY_DHX, \
+ EVP_PKEY_OP_DERIVE, \
+ EVP_PKEY_CTRL_GET_DH_KDF_UKM, 0, (void *)p)
+
+#define EVP_PKEY_CTRL_DH_PARAMGEN_PRIME_LEN (EVP_PKEY_ALG_CTRL + 1)
+#define EVP_PKEY_CTRL_DH_PARAMGEN_GENERATOR (EVP_PKEY_ALG_CTRL + 2)
+#define EVP_PKEY_CTRL_DH_RFC5114 (EVP_PKEY_ALG_CTRL + 3)
+#define EVP_PKEY_CTRL_DH_PARAMGEN_SUBPRIME_LEN (EVP_PKEY_ALG_CTRL + 4)
+#define EVP_PKEY_CTRL_DH_PARAMGEN_TYPE (EVP_PKEY_ALG_CTRL + 5)
+#define EVP_PKEY_CTRL_DH_KDF_TYPE (EVP_PKEY_ALG_CTRL + 6)
+#define EVP_PKEY_CTRL_DH_KDF_MD (EVP_PKEY_ALG_CTRL + 7)
+#define EVP_PKEY_CTRL_GET_DH_KDF_MD (EVP_PKEY_ALG_CTRL + 8)
+#define EVP_PKEY_CTRL_DH_KDF_OUTLEN (EVP_PKEY_ALG_CTRL + 9)
+#define EVP_PKEY_CTRL_GET_DH_KDF_OUTLEN (EVP_PKEY_ALG_CTRL + 10)
+#define EVP_PKEY_CTRL_DH_KDF_UKM (EVP_PKEY_ALG_CTRL + 11)
+#define EVP_PKEY_CTRL_GET_DH_KDF_UKM (EVP_PKEY_ALG_CTRL + 12)
+#define EVP_PKEY_CTRL_DH_KDF_OID (EVP_PKEY_ALG_CTRL + 13)
+#define EVP_PKEY_CTRL_GET_DH_KDF_OID (EVP_PKEY_ALG_CTRL + 14)
+
+/* KDF types */
+#define EVP_PKEY_DH_KDF_NONE 1
+#define EVP_PKEY_DH_KDF_X9_42 2
+