diff --git a/ap/lib/libssl/openssl-1.1.1o/test/asynciotest.c b/ap/lib/libssl/openssl-1.1.1o/test/asynciotest.c
new file mode 100644
index 0000000..5a12d01
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/test/asynciotest.c
@@ -0,0 +1,409 @@
+/*
+ * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL licenses, (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * https://www.openssl.org/source/license.html
+ * or in the file LICENSE in the source distribution.
+ */
+
+#include <string.h>
+#include <openssl/ssl.h>
+#include <openssl/bio.h>
+#include <openssl/err.h>
+
+#include "../ssl/packet_local.h"
+
+#include "ssltestlib.h"
+#include "testutil.h"
+
+/* Should we fragment records or not? 0 = no, !0 = yes*/
+static int fragment = 0;
+
+static char *cert = NULL;
+static char *privkey = NULL;
+
+static int async_new(BIO *bi);
+static int async_free(BIO *a);
+static int async_read(BIO *b, char *out, int outl);
+static int async_write(BIO *b, const char *in, int inl);
+static long async_ctrl(BIO *b, int cmd, long num, void *ptr);
+static int async_gets(BIO *bp, char *buf, int size);
+static int async_puts(BIO *bp, const char *str);
+
+/* Choose a sufficiently large type likely to be unused for this custom BIO */
+# define BIO_TYPE_ASYNC_FILTER  (0x80 | BIO_TYPE_FILTER)
+
+static BIO_METHOD *methods_async = NULL;
+
+struct async_ctrs {
+    unsigned int rctr;
+    unsigned int wctr;
+};
+
+static const BIO_METHOD *bio_f_async_filter(void)
+{
+    if (methods_async == NULL) {
+        methods_async = BIO_meth_new(BIO_TYPE_ASYNC_FILTER, "Async filter");
+        if (   methods_async == NULL
+            || !BIO_meth_set_write(methods_async, async_write)
+            || !BIO_meth_set_read(methods_async, async_read)
+            || !BIO_meth_set_puts(methods_async, async_puts)
+            || !BIO_meth_set_gets(methods_async, async_gets)
+            || !BIO_meth_set_ctrl(methods_async, async_ctrl)
+            || !BIO_meth_set_create(methods_async, async_new)
+            || !BIO_meth_set_destroy(methods_async, async_free))
+            return NULL;
+    }
+    return methods_async;
+}
+
+static int async_new(BIO *bio)
+{
+    struct async_ctrs *ctrs;
+
+    ctrs = OPENSSL_zalloc(sizeof(struct async_ctrs));
+    if (ctrs == NULL)
+        return 0;
+
+    BIO_set_data(bio, ctrs);
+    BIO_set_init(bio, 1);
+    return 1;
+}
+
+static int async_free(BIO *bio)
+{
+    struct async_ctrs *ctrs;
+
+    if (bio == NULL)
+        return 0;
+    ctrs = BIO_get_data(bio);
+    OPENSSL_free(ctrs);
+    BIO_set_data(bio, NULL);
+    BIO_set_init(bio, 0);
+
+    return 1;
+}
+
+static int async_read(BIO *bio, char *out, int outl)
+{
+    struct async_ctrs *ctrs;
+    int ret = 0;
+    BIO *next = BIO_next(bio);
+
+    if (outl <= 0)
+        return 0;
+    if (next == NULL)
+        return 0;
+
+    ctrs = BIO_get_data(bio);
+
+    BIO_clear_retry_flags(bio);
+
+    if (ctrs->rctr > 0) {
+        ret = BIO_read(next, out, 1);
+        if (ret <= 0 && BIO_should_read(next))
+            BIO_set_retry_read(bio);
+        ctrs->rctr = 0;
+    } else {
+        ctrs->rctr++;
+        BIO_set_retry_read(bio);
+    }
+
+    return ret;
+}
+
+#define MIN_RECORD_LEN  6
+
+#define CONTENTTYPEPOS  0
+#define VERSIONHIPOS    1
+#define VERSIONLOPOS    2
+#define DATAPOS         5
+
+static int async_write(BIO *bio, const char *in, int inl)
+{
+    struct async_ctrs *ctrs;
+    int ret = 0;
+    size_t written = 0;
+    BIO *next = BIO_next(bio);
+
+    if (inl <= 0)
+        return 0;
+    if (next == NULL)
+        return 0;
+
+    ctrs = BIO_get_data(bio);
+
+    BIO_clear_retry_flags(bio);
+
+    if (ctrs->wctr > 0) {
+        ctrs->wctr = 0;
+        if (fragment) {
+            PACKET pkt;
+
+            if (!PACKET_buf_init(&pkt, (const unsigned char *)in, inl))
+                return -1;
+
+            while (PACKET_remaining(&pkt) > 0) {
+                PACKET payload, wholebody, sessionid, extensions;
+                unsigned int contenttype, versionhi, versionlo, data;
+                unsigned int msgtype = 0, negversion = 0;
+
+                if (!PACKET_get_1(&pkt, &contenttype)
+                        || !PACKET_get_1(&pkt, &versionhi)
+                        || !PACKET_get_1(&pkt, &versionlo)
+                        || !PACKET_get_length_prefixed_2(&pkt, &payload))
+                    return -1;
+
+                /* Pretend we wrote out the record header */
+                written += SSL3_RT_HEADER_LENGTH;
+
+                wholebody = payload;
+                if (contenttype == SSL3_RT_HANDSHAKE
+                        && !PACKET_get_1(&wholebody, &msgtype))
+                    return -1;
+
+                if (msgtype == SSL3_MT_SERVER_HELLO) {
+                    if (!PACKET_forward(&wholebody,
+                                            SSL3_HM_HEADER_LENGTH - 1)
+                            || !PACKET_get_net_2(&wholebody, &negversion)
+                               /* Skip random (32 bytes) */
+                            || !PACKET_forward(&wholebody, 32)
+                               /* Skip session id */
+                            || !PACKET_get_length_prefixed_1(&wholebody,
+                                                             &sessionid)
+                               /*
+                                * Skip ciphersuite (2 bytes) and compression
+                                * method (1 byte)
+                                */
+                            || !PACKET_forward(&wholebody, 2 + 1)
+                            || !PACKET_get_length_prefixed_2(&wholebody,
+                                                             &extensions))
+                        return -1;
+
+                    /*
+                     * Find the negotiated version in supported_versions
+                     * extension, if present.
+                     */
+                    while (PACKET_remaining(&extensions)) {
+                        unsigned int type;
+                        PACKET extbody;
+
+                        if (!PACKET_get_net_2(&extensions, &type)
+                                || !PACKET_get_length_prefixed_2(&extensions,
+                                &extbody))
+                            return -1;
+
+                        if (type == TLSEXT_TYPE_supported_versions
+                                && (!PACKET_get_net_2(&extbody, &negversion)
+                                    || PACKET_remaining(&extbody) != 0))
+                            return -1;
+                    }
+                }
+
+                while (PACKET_get_1(&payload, &data)) {
+                    /* Create a new one byte long record for each byte in the
+                     * record in the input buffer
+                     */
+                    char smallrec[MIN_RECORD_LEN] = {
+                        0, /* Content type */
+                        0, /* Version hi */
+                        0, /* Version lo */
+                        0, /* Length hi */
+                        1, /* Length lo */
+                        0  /* Data */
+                    };
+
+                    smallrec[CONTENTTYPEPOS] = contenttype;
+                    smallrec[VERSIONHIPOS] = versionhi;
+                    smallrec[VERSIONLOPOS] = versionlo;
+                    smallrec[DATAPOS] = data;
+                    ret = BIO_write(next, smallrec, MIN_RECORD_LEN);
+                    if (ret <= 0)
+                        return -1;
+                    written++;
+                }
+                /*
+                 * We can't fragment anything after the ServerHello (or CCS <=
+                 * TLS1.2), otherwise we get a bad record MAC
+                 */
+                if (contenttype == SSL3_RT_CHANGE_CIPHER_SPEC
+                        || (negversion == TLS1_3_VERSION
+                            && msgtype == SSL3_MT_SERVER_HELLO)) {
+                    fragment = 0;
+                    break;
+                }
+            }
+        }
+        /* Write any data we have left after fragmenting */
+        ret = 0;
+        if ((int)written < inl) {
+            ret = BIO_write(next, in + written, inl - written);
+        }
+
+        if (ret <= 0 && BIO_should_write(next))
+            BIO_set_retry_write(bio);
+        else
+            ret += written;
+    } else {
+        ctrs->wctr++;
+        BIO_set_retry_write(bio);
+    }
+
+    return ret;
+}
+
+static long async_ctrl(BIO *bio, int cmd, long num, void *ptr)
+{
+    long ret;
+    BIO *next = BIO_next(bio);
+
+    if (next == NULL)
+        return 0;
+
+    switch (cmd) {
+    case BIO_CTRL_DUP:
+        ret = 0L;
+        break;
+    default:
+        ret = BIO_ctrl(next, cmd, num, ptr);
+        break;
+    }
+    return ret;
+}
+
+static int async_gets(BIO *bio, char *buf, int size)
+{
+    /* We don't support this - not needed anyway */
+    return -1;
+}
+
+static int async_puts(BIO *bio, const char *str)
+{
+    return async_write(bio, str, strlen(str));
+}
+
+#define MAX_ATTEMPTS    100
+
+static int test_asyncio(int test)
+{
+    SSL_CTX *serverctx = NULL, *clientctx = NULL;
+    SSL *serverssl = NULL, *clientssl = NULL;
+    BIO *s_to_c_fbio = NULL, *c_to_s_fbio = NULL;
+    int testresult = 0, ret;
+    size_t i, j;
+    const char testdata[] = "Test data";
+    char buf[sizeof(testdata)];
+
+    if (!TEST_true(create_ssl_ctx_pair(TLS_server_method(), TLS_client_method(),
+                                       TLS1_VERSION, TLS_MAX_VERSION,
+                                       &serverctx, &clientctx, cert, privkey)))
+        goto end;
+
+    /*
+     * We do 2 test runs. The first time around we just do a normal handshake
+     * with lots of async io going on. The second time around we also break up
+     * all records so that the content is only one byte length (up until the
+     * CCS)
+     */
+    if (test == 1)
+        fragment = 1;
+
+
+    s_to_c_fbio = BIO_new(bio_f_async_filter());
+    c_to_s_fbio = BIO_new(bio_f_async_filter());
+    if (!TEST_ptr(s_to_c_fbio)
+            || !TEST_ptr(c_to_s_fbio)) {
+        BIO_free(s_to_c_fbio);
+        BIO_free(c_to_s_fbio);
+        goto end;
+    }
+
+    /* BIOs get freed on error */
+    if (!TEST_true(create_ssl_objects(serverctx, clientctx, &serverssl,
+                                      &clientssl, s_to_c_fbio, c_to_s_fbio))
+            || !TEST_true(create_ssl_connection(serverssl, clientssl,
+                          SSL_ERROR_NONE)))
+        goto end;
+
+    /*
+     * Send and receive some test data. Do the whole thing twice to ensure
+     * we hit at least one async event in both reading and writing
+     */
+    for (j = 0; j < 2; j++) {
+        int len;
+
+        /*
+         * Write some test data. It should never take more than 2 attempts
+         * (the first one might be a retryable fail).
+         */
+        for (ret = -1, i = 0, len = 0; len != sizeof(testdata) && i < 2;
+            i++) {
+            ret = SSL_write(clientssl, testdata + len,
+                sizeof(testdata) - len);
+            if (ret > 0) {
+                len += ret;
+            } else {
+                int ssl_error = SSL_get_error(clientssl, ret);
+
+                if (!TEST_false(ssl_error == SSL_ERROR_SYSCALL ||
+                                ssl_error == SSL_ERROR_SSL))
+                    goto end;
+            }
+        }
+        if (!TEST_size_t_eq(len, sizeof(testdata)))
+            goto end;
+
+        /*
+         * Now read the test data. It may take more attempts here because
+         * it could fail once for each byte read, including all overhead
+         * bytes from the record header/padding etc.
+         */
+        for (ret = -1, i = 0, len = 0; len != sizeof(testdata) &&
+                i < MAX_ATTEMPTS; i++) {
+            ret = SSL_read(serverssl, buf + len, sizeof(buf) - len);
+            if (ret > 0) {
+                len += ret;
+            } else {
+                int ssl_error = SSL_get_error(serverssl, ret);
+
+                if (!TEST_false(ssl_error == SSL_ERROR_SYSCALL ||
+                                ssl_error == SSL_ERROR_SSL))
+                    goto end;
+            }
+        }
+        if (!TEST_mem_eq(testdata, sizeof(testdata), buf, len))
+            goto end;
+    }
+
+    /* Also frees the BIOs */
+    SSL_free(clientssl);
+    SSL_free(serverssl);
+    clientssl = serverssl = NULL;
+
+    testresult = 1;
+
+ end:
+    SSL_free(clientssl);
+    SSL_free(serverssl);
+    SSL_CTX_free(clientctx);
+    SSL_CTX_free(serverctx);
+
+    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_asyncio, 2);
+    return 1;
+}
+
+void cleanup_tests(void)
+{
+    BIO_meth_free(methods_async);
+}