diff --git a/ap/lib/libssl/openssl-1.1.1o/test/dtlstest.c b/ap/lib/libssl/openssl-1.1.1o/test/dtlstest.c
new file mode 100644
index 0000000..1d7b105
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/test/dtlstest.c
@@ -0,0 +1,349 @@
+/*
+ * Copyright 2016-2020 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 <string.h>
+#include <openssl/bio.h>
+#include <openssl/crypto.h>
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+
+#include "ssltestlib.h"
+#include "testutil.h"
+
+static char *cert = NULL;
+static char *privkey = NULL;
+static unsigned int timer_cb_count;
+
+#define NUM_TESTS   2
+
+
+#define DUMMY_CERT_STATUS_LEN  12
+
+static unsigned char certstatus[] = {
+    SSL3_RT_HANDSHAKE, /* Content type */
+    0xfe, 0xfd, /* Record version */
+    0, 1, /* Epoch */
+    0, 0, 0, 0, 0, 0x0f, /* Record sequence number */
+    0, DTLS1_HM_HEADER_LENGTH + DUMMY_CERT_STATUS_LEN - 2,
+    SSL3_MT_CERTIFICATE_STATUS, /* Cert Status handshake message type */
+    0, 0, DUMMY_CERT_STATUS_LEN, /* Message len */
+    0, 5, /* Message sequence */
+    0, 0, 0, /* Fragment offset */
+    0, 0, DUMMY_CERT_STATUS_LEN - 2, /* Fragment len */
+    0x80, 0x80, 0x80, 0x80, 0x80,
+    0x80, 0x80, 0x80, 0x80, 0x80 /* Dummy data */
+};
+
+#define RECORD_SEQUENCE 10
+
+static unsigned int timer_cb(SSL *s, unsigned int timer_us)
+{
+    ++timer_cb_count;
+
+    if (timer_us == 0)
+        return 50000;
+    else
+        return 2 * timer_us;
+}
+
+static int test_dtls_unprocessed(int testidx)
+{
+    SSL_CTX *sctx = NULL, *cctx = NULL;
+    SSL *serverssl1 = NULL, *clientssl1 = NULL;
+    BIO *c_to_s_fbio, *c_to_s_mempacket;
+    int testresult = 0;
+
+    timer_cb_count = 0;
+
+    if (!TEST_true(create_ssl_ctx_pair(DTLS_server_method(),
+                                       DTLS_client_method(),
+                                       DTLS1_VERSION, DTLS_MAX_VERSION,
+                                       &sctx, &cctx, cert, privkey)))
+        return 0;
+
+    if (!TEST_true(SSL_CTX_set_cipher_list(cctx, "AES128-SHA")))
+        goto end;
+
+    c_to_s_fbio = BIO_new(bio_f_tls_dump_filter());
+    if (!TEST_ptr(c_to_s_fbio))
+        goto end;
+
+    /* BIO is freed by create_ssl_connection on error */
+    if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl1, &clientssl1,
+                                      NULL, c_to_s_fbio)))
+        goto end;
+
+    DTLS_set_timer_cb(clientssl1, timer_cb);
+
+    if (testidx == 1)
+        certstatus[RECORD_SEQUENCE] = 0xff;
+
+    /*
+     * Inject a dummy record from the next epoch. In test 0, this should never
+     * get used because the message sequence number is too big. In test 1 we set
+     * the record sequence number to be way off in the future.
+     */
+    c_to_s_mempacket = SSL_get_wbio(clientssl1);
+    c_to_s_mempacket = BIO_next(c_to_s_mempacket);
+    mempacket_test_inject(c_to_s_mempacket, (char *)certstatus,
+                          sizeof(certstatus), 1, INJECT_PACKET_IGNORE_REC_SEQ);
+
+    /*
+     * Create the connection. We use "create_bare_ssl_connection" here so that
+     * we can force the connection to not do "SSL_read" once partly connected.
+     * We don't want to accidentally read the dummy records we injected because
+     * they will fail to decrypt.
+     */
+    if (!TEST_true(create_bare_ssl_connection(serverssl1, clientssl1,
+                                              SSL_ERROR_NONE, 0)))
+        goto end;
+
+    if (timer_cb_count == 0) {
+        printf("timer_callback was not called.\n");
+        goto end;
+    }
+
+    testresult = 1;
+ end:
+    SSL_free(serverssl1);
+    SSL_free(clientssl1);
+    SSL_CTX_free(sctx);
+    SSL_CTX_free(cctx);
+
+    return testresult;
+}
+
+#define CLI_TO_SRV_EPOCH_0_RECS 3
+#define CLI_TO_SRV_EPOCH_1_RECS 1
+#if !defined(OPENSSL_NO_EC) || !defined(OPENSSL_NO_DH)
+# define SRV_TO_CLI_EPOCH_0_RECS 10
+#else
+/*
+ * In this case we have no ServerKeyExchange message, because we don't have
+ * ECDHE or DHE. When it is present it gets fragmented into 3 records in this
+ * test.
+ */
+# define SRV_TO_CLI_EPOCH_0_RECS 9
+#endif
+#define SRV_TO_CLI_EPOCH_1_RECS 1
+#define TOTAL_FULL_HAND_RECORDS \
+            (CLI_TO_SRV_EPOCH_0_RECS + CLI_TO_SRV_EPOCH_1_RECS + \
+             SRV_TO_CLI_EPOCH_0_RECS + SRV_TO_CLI_EPOCH_1_RECS)
+
+#define CLI_TO_SRV_RESUME_EPOCH_0_RECS 3
+#define CLI_TO_SRV_RESUME_EPOCH_1_RECS 1
+#define SRV_TO_CLI_RESUME_EPOCH_0_RECS 2
+#define SRV_TO_CLI_RESUME_EPOCH_1_RECS 1
+#define TOTAL_RESUME_HAND_RECORDS \
+            (CLI_TO_SRV_RESUME_EPOCH_0_RECS + CLI_TO_SRV_RESUME_EPOCH_1_RECS + \
+             SRV_TO_CLI_RESUME_EPOCH_0_RECS + SRV_TO_CLI_RESUME_EPOCH_1_RECS)
+
+#define TOTAL_RECORDS (TOTAL_FULL_HAND_RECORDS + TOTAL_RESUME_HAND_RECORDS)
+
+static int test_dtls_drop_records(int idx)
+{
+    SSL_CTX *sctx = NULL, *cctx = NULL;
+    SSL *serverssl = NULL, *clientssl = NULL;
+    BIO *c_to_s_fbio, *mempackbio;
+    int testresult = 0;
+    int epoch = 0;
+    SSL_SESSION *sess = NULL;
+    int cli_to_srv_epoch0, cli_to_srv_epoch1, srv_to_cli_epoch0;
+
+    if (!TEST_true(create_ssl_ctx_pair(DTLS_server_method(),
+                                       DTLS_client_method(),
+                                       DTLS1_VERSION, DTLS_MAX_VERSION,
+                                       &sctx, &cctx, cert, privkey)))
+        return 0;
+
+    if (idx >= TOTAL_FULL_HAND_RECORDS) {
+        /* We're going to do a resumption handshake. Get a session first. */
+        if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
+                                          NULL, NULL))
+                || !TEST_true(create_ssl_connection(serverssl, clientssl,
+                              SSL_ERROR_NONE))
+                || !TEST_ptr(sess = SSL_get1_session(clientssl)))
+            goto end;
+
+        SSL_shutdown(clientssl);
+        SSL_shutdown(serverssl);
+        SSL_free(serverssl);
+        SSL_free(clientssl);
+        serverssl = clientssl = NULL;
+
+        cli_to_srv_epoch0 = CLI_TO_SRV_RESUME_EPOCH_0_RECS;
+        cli_to_srv_epoch1 = CLI_TO_SRV_RESUME_EPOCH_1_RECS;
+        srv_to_cli_epoch0 = SRV_TO_CLI_RESUME_EPOCH_0_RECS;
+        idx -= TOTAL_FULL_HAND_RECORDS;
+    } else {
+        cli_to_srv_epoch0 = CLI_TO_SRV_EPOCH_0_RECS;
+        cli_to_srv_epoch1 = CLI_TO_SRV_EPOCH_1_RECS;
+        srv_to_cli_epoch0 = SRV_TO_CLI_EPOCH_0_RECS;
+    }
+
+    c_to_s_fbio = BIO_new(bio_f_tls_dump_filter());
+    if (!TEST_ptr(c_to_s_fbio))
+        goto end;
+
+    /* BIO is freed by create_ssl_connection on error */
+    if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
+                                      NULL, c_to_s_fbio)))
+        goto end;
+
+    if (sess != NULL) {
+        if (!TEST_true(SSL_set_session(clientssl, sess)))
+            goto end;
+    }
+
+    DTLS_set_timer_cb(clientssl, timer_cb);
+    DTLS_set_timer_cb(serverssl, timer_cb);
+
+    /* Work out which record to drop based on the test number */
+    if (idx >= cli_to_srv_epoch0 + cli_to_srv_epoch1) {
+        mempackbio = SSL_get_wbio(serverssl);
+        idx -= cli_to_srv_epoch0 + cli_to_srv_epoch1;
+        if (idx >= srv_to_cli_epoch0) {
+            epoch = 1;
+            idx -= srv_to_cli_epoch0;
+        }
+    } else {
+        mempackbio = SSL_get_wbio(clientssl);
+        if (idx >= cli_to_srv_epoch0) {
+            epoch = 1;
+            idx -= cli_to_srv_epoch0;
+        }
+         mempackbio = BIO_next(mempackbio);
+    }
+    BIO_ctrl(mempackbio, MEMPACKET_CTRL_SET_DROP_EPOCH, epoch, NULL);
+    BIO_ctrl(mempackbio, MEMPACKET_CTRL_SET_DROP_REC, idx, NULL);
+
+    if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)))
+        goto end;
+
+    if (sess != NULL && !TEST_true(SSL_session_reused(clientssl)))
+        goto end;
+
+    /* If the test did what we planned then it should have dropped a record */
+    if (!TEST_int_eq((int)BIO_ctrl(mempackbio, MEMPACKET_CTRL_GET_DROP_REC, 0,
+                                   NULL), -1))
+        goto end;
+
+    testresult = 1;
+ end:
+    SSL_SESSION_free(sess);
+    SSL_free(serverssl);
+    SSL_free(clientssl);
+    SSL_CTX_free(sctx);
+    SSL_CTX_free(cctx);
+
+    return testresult;
+}
+
+static const char dummy_cookie[] = "0123456";
+
+static int generate_cookie_cb(SSL *ssl, unsigned char *cookie,
+                              unsigned int *cookie_len)
+{
+    memcpy(cookie, dummy_cookie, sizeof(dummy_cookie));
+    *cookie_len = sizeof(dummy_cookie);
+    return 1;
+}
+
+static int verify_cookie_cb(SSL *ssl, const unsigned char *cookie,
+                            unsigned int cookie_len)
+{
+    return TEST_mem_eq(cookie, cookie_len, dummy_cookie, sizeof(dummy_cookie));
+}
+
+static int test_cookie(void)
+{
+    SSL_CTX *sctx = NULL, *cctx = NULL;
+    SSL *serverssl = NULL, *clientssl = NULL;
+    int testresult = 0;
+
+    if (!TEST_true(create_ssl_ctx_pair(DTLS_server_method(),
+                                       DTLS_client_method(),
+                                       DTLS1_VERSION, DTLS_MAX_VERSION,
+                                       &sctx, &cctx, cert, privkey)))
+        return 0;
+
+    SSL_CTX_set_options(sctx, SSL_OP_COOKIE_EXCHANGE);
+    SSL_CTX_set_cookie_generate_cb(sctx, generate_cookie_cb);
+    SSL_CTX_set_cookie_verify_cb(sctx, verify_cookie_cb);
+
+    if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
+                                      NULL, NULL))
+            || !TEST_true(create_ssl_connection(serverssl, clientssl,
+                                                SSL_ERROR_NONE)))
+        goto end;
+
+    testresult = 1;
+ end:
+    SSL_free(serverssl);
+    SSL_free(clientssl);
+    SSL_CTX_free(sctx);
+    SSL_CTX_free(cctx);
+
+    return testresult;
+}
+
+static int test_dtls_duplicate_records(void)
+{
+    SSL_CTX *sctx = NULL, *cctx = NULL;
+    SSL *serverssl = NULL, *clientssl = NULL;
+    int testresult = 0;
+
+    if (!TEST_true(create_ssl_ctx_pair(DTLS_server_method(),
+                                       DTLS_client_method(),
+                                       DTLS1_VERSION, DTLS_MAX_VERSION,
+                                       &sctx, &cctx, cert, privkey)))
+        return 0;
+
+    if (!TEST_true(create_ssl_objects(sctx, cctx, &serverssl, &clientssl,
+                                      NULL, NULL)))
+        goto end;
+
+    DTLS_set_timer_cb(clientssl, timer_cb);
+    DTLS_set_timer_cb(serverssl, timer_cb);
+
+    BIO_ctrl(SSL_get_wbio(clientssl), MEMPACKET_CTRL_SET_DUPLICATE_REC, 1, NULL);
+    BIO_ctrl(SSL_get_wbio(serverssl), MEMPACKET_CTRL_SET_DUPLICATE_REC, 1, NULL);
+
+    if (!TEST_true(create_ssl_connection(serverssl, clientssl, SSL_ERROR_NONE)))
+        goto end;
+
+    testresult = 1;
+ end:
+    SSL_free(serverssl);
+    SSL_free(clientssl);
+    SSL_CTX_free(sctx);
+    SSL_CTX_free(cctx);
+
+    return testresult;
+}
+
+int setup_tests(void)
+{
+    if (!TEST_ptr(cert = test_get_argument(0))
+            || !TEST_ptr(privkey = test_get_argument(1)))
+        return 0;
+
+    ADD_ALL_TESTS(test_dtls_unprocessed, NUM_TESTS);
+    ADD_ALL_TESTS(test_dtls_drop_records, TOTAL_RECORDS);
+    ADD_TEST(test_cookie);
+    ADD_TEST(test_dtls_duplicate_records);
+
+    return 1;
+}
+
+void cleanup_tests(void)
+{
+    bio_f_tls_dump_filter_free();
+    bio_s_mempacket_test_free();
+}