1 files changed, 61 insertions, 0 deletions
diff --git a/include/crypto/dh.h b/include/crypto/dh.h
new file mode 100644
index 00000000..f6be4ae0
--- /dev/null
+++ b/include/crypto/dh.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License 2.0 (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#ifndef OSSL_CRYPTO_DH_H
+# define OSSL_CRYPTO_DH_H
+# pragma once
+
+# include <openssl/core.h>
+# include <openssl/params.h>
+# include <openssl/dh.h>
+# include "internal/ffc.h"
+
+DH *ossl_dh_new_by_nid_ex(OSSL_LIB_CTX *libctx, int nid);
+DH *ossl_dh_new_ex(OSSL_LIB_CTX *libctx);
+void ossl_dh_set0_libctx(DH *d, OSSL_LIB_CTX *libctx);
+int ossl_dh_generate_ffc_parameters(DH *dh, int type, int pbits, int qbits,
+                                    BN_GENCB *cb);
+int ossl_dh_generate_public_key(BN_CTX *ctx, const DH *dh,
+                                const BIGNUM *priv_key, BIGNUM *pub_key);
+int ossl_dh_get_named_group_uid_from_size(int pbits);
+const char *ossl_dh_gen_type_id2name(int id);
+int ossl_dh_gen_type_name2id(const char *name, int type);
+void ossl_dh_cache_named_group(DH *dh);
+int ossl_dh_is_named_safe_prime_group(const DH *dh);
+
+FFC_PARAMS *ossl_dh_get0_params(DH *dh);
+int ossl_dh_get0_nid(const DH *dh);
+int ossl_dh_params_fromdata(DH *dh, const OSSL_PARAM params[]);
+int ossl_dh_key_fromdata(DH *dh, const OSSL_PARAM params[]);
+int ossl_dh_params_todata(DH *dh, OSSL_PARAM_BLD *bld, OSSL_PARAM params[]);
+int ossl_dh_key_todata(DH *dh, OSSL_PARAM_BLD *bld, OSSL_PARAM params[]);
+DH *ossl_dh_key_from_pkcs8(const PKCS8_PRIV_KEY_INFO *p8inf,
+                           OSSL_LIB_CTX *libctx, const char *propq);
+int ossl_dh_compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh);
+
+int ossl_dh_check_pub_key_partial(const DH *dh, const BIGNUM *pub_key, int *ret);
+int ossl_dh_check_priv_key(const DH *dh, const BIGNUM *priv_key, int *ret);
+int ossl_dh_check_pairwise(const DH *dh);
+
+const DH_METHOD *ossl_dh_get_method(const DH *dh);
+
+int ossl_dh_buf2key(DH *key, const unsigned char *buf, size_t len);
+size_t ossl_dh_key2buf(const DH *dh, unsigned char **pbuf, size_t size,
+                       int alloc);
+
+int ossl_dh_kdf_X9_42_asn1(unsigned char *out, size_t outlen,
+                           const unsigned char *Z, size_t Zlen,
+                           const char *cek_alg,
+                           const unsigned char *ukm, size_t ukmlen,
+                           const EVP_MD *md,
+                           OSSL_LIB_CTX *libctx, const char *propq);
+int ossl_dh_is_foreign(const DH *dh);
+DH *ossl_dh_dup(const DH *dh, int selection);
+
+#endif  /* OSSL_CRYPTO_DH_H */