zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/lib/libssl/openssl-1.1.1o/crypto/dh/dh_meth.c b/ap/lib/libssl/openssl-1.1.1o/crypto/dh/dh_meth.c
new file mode 100644
index 0000000..8a54a81
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/crypto/dh/dh_meth.c
@@ -0,0 +1,173 @@
+/*
+ * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (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
+ */
+
+#include "dh_local.h"
+#include <string.h>
+#include <openssl/err.h>
+
+DH_METHOD *DH_meth_new(const char *name, int flags)
+{
+    DH_METHOD *dhm = OPENSSL_zalloc(sizeof(*dhm));
+
+    if (dhm != NULL) {
+        dhm->flags = flags;
+
+        dhm->name = OPENSSL_strdup(name);
+        if (dhm->name != NULL)
+            return dhm;
+
+        OPENSSL_free(dhm);
+    }
+
+    DHerr(DH_F_DH_METH_NEW, ERR_R_MALLOC_FAILURE);
+    return NULL;
+}
+
+void DH_meth_free(DH_METHOD *dhm)
+{
+    if (dhm != NULL) {
+        OPENSSL_free(dhm->name);
+        OPENSSL_free(dhm);
+    }
+}
+
+DH_METHOD *DH_meth_dup(const DH_METHOD *dhm)
+{
+    DH_METHOD *ret = OPENSSL_malloc(sizeof(*ret));
+
+    if (ret != NULL) {
+        memcpy(ret, dhm, sizeof(*dhm));
+
+        ret->name = OPENSSL_strdup(dhm->name);
+        if (ret->name != NULL)
+            return ret;
+
+        OPENSSL_free(ret);
+    }
+
+    DHerr(DH_F_DH_METH_DUP, ERR_R_MALLOC_FAILURE);
+    return NULL;
+}
+
+const char *DH_meth_get0_name(const DH_METHOD *dhm)
+{
+    return dhm->name;
+}
+
+int DH_meth_set1_name(DH_METHOD *dhm, const char *name)
+{
+    char *tmpname = OPENSSL_strdup(name);
+
+    if (tmpname == NULL) {
+        DHerr(DH_F_DH_METH_SET1_NAME, ERR_R_MALLOC_FAILURE);
+        return 0;
+    }
+
+    OPENSSL_free(dhm->name);
+    dhm->name = tmpname;
+
+    return 1;
+}
+
+int DH_meth_get_flags(const DH_METHOD *dhm)
+{
+    return dhm->flags;
+}
+
+int DH_meth_set_flags(DH_METHOD *dhm, int flags)
+{
+    dhm->flags = flags;
+    return 1;
+}
+
+void *DH_meth_get0_app_data(const DH_METHOD *dhm)
+{
+    return dhm->app_data;
+}
+
+int DH_meth_set0_app_data(DH_METHOD *dhm, void *app_data)
+{
+    dhm->app_data = app_data;
+    return 1;
+}
+
+int (*DH_meth_get_generate_key(const DH_METHOD *dhm)) (DH *)
+{
+    return dhm->generate_key;
+}
+
+int DH_meth_set_generate_key(DH_METHOD *dhm, int (*generate_key) (DH *))
+{
+    dhm->generate_key = generate_key;
+    return 1;
+}
+
+int (*DH_meth_get_compute_key(const DH_METHOD *dhm))
+        (unsigned char *key, const BIGNUM *pub_key, DH *dh)
+{
+    return dhm->compute_key;
+}
+
+int DH_meth_set_compute_key(DH_METHOD *dhm,
+        int (*compute_key) (unsigned char *key, const BIGNUM *pub_key, DH *dh))
+{
+    dhm->compute_key = compute_key;
+    return 1;
+}
+
+
+int (*DH_meth_get_bn_mod_exp(const DH_METHOD *dhm))
+    (const DH *, BIGNUM *, const BIGNUM *, const BIGNUM *, const BIGNUM *,
+     BN_CTX *, BN_MONT_CTX *)
+{
+    return dhm->bn_mod_exp;
+}
+
+int DH_meth_set_bn_mod_exp(DH_METHOD *dhm,
+    int (*bn_mod_exp) (const DH *, BIGNUM *, const BIGNUM *, const BIGNUM *,
+                       const BIGNUM *, BN_CTX *, BN_MONT_CTX *))
+{
+    dhm->bn_mod_exp = bn_mod_exp;
+    return 1;
+}
+
+int (*DH_meth_get_init(const DH_METHOD *dhm))(DH *)
+{
+    return dhm->init;
+}
+
+int DH_meth_set_init(DH_METHOD *dhm, int (*init)(DH *))
+{
+    dhm->init = init;
+    return 1;
+}
+
+int (*DH_meth_get_finish(const DH_METHOD *dhm)) (DH *)
+{
+    return dhm->finish;
+}
+
+int DH_meth_set_finish(DH_METHOD *dhm, int (*finish) (DH *))
+{
+    dhm->finish = finish;
+    return 1;
+}
+
+int (*DH_meth_get_generate_params(const DH_METHOD *dhm))
+        (DH *, int, int, BN_GENCB *)
+{
+    return dhm->generate_params;
+}
+
+int DH_meth_set_generate_params(DH_METHOD *dhm,
+        int (*generate_params) (DH *, int, int, BN_GENCB *))
+{
+    dhm->generate_params = generate_params;
+    return 1;
+}