diff --git a/ap/lib/libssl/openssl-1.1.1o/test/afalgtest.c b/ap/lib/libssl/openssl-1.1.1o/test/afalgtest.c
new file mode 100644
index 0000000..724afb4
--- /dev/null
+++ b/ap/lib/libssl/openssl-1.1.1o/test/afalgtest.c
@@ -0,0 +1,145 @@
+/*
+ * Copyright 2016-2021 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 <stdio.h>
+#include <openssl/opensslconf.h>
+
+#include <string.h>
+#include <openssl/engine.h>
+#include <openssl/evp.h>
+#include <openssl/rand.h>
+#include "testutil.h"
+
+/* Use a buffer size which is not aligned to block size */
+#define BUFFER_SIZE     17
+
+#ifndef OPENSSL_NO_ENGINE
+static ENGINE *e;
+
+static int test_afalg_aes_cbc(int keysize_idx)
+{
+    EVP_CIPHER_CTX *ctx;
+    const EVP_CIPHER *cipher;
+    unsigned char key[] = "\x06\xa9\x21\x40\x36\xb8\xa1\x5b"
+                          "\x51\x2e\x03\xd5\x34\x12\x00\x06"
+                          "\x06\xa9\x21\x40\x36\xb8\xa1\x5b"
+                          "\x51\x2e\x03\xd5\x34\x12\x00\x06";
+    unsigned char iv[] = "\x3d\xaf\xba\x42\x9d\x9e\xb4\x30"
+                         "\xb4\x22\xda\x80\x2c\x9f\xac\x41";
+    /* input = "Single block msg\n"  17Bytes*/
+    unsigned char in[BUFFER_SIZE] = "\x53\x69\x6e\x67\x6c\x65\x20\x62"
+                                    "\x6c\x6f\x63\x6b\x20\x6d\x73\x67\x0a";
+    unsigned char ebuf[BUFFER_SIZE + 32];
+    unsigned char dbuf[BUFFER_SIZE + 32];
+    unsigned char encresult_128[] = "\xe3\x53\x77\x9c\x10\x79\xae\xb8"
+                                    "\x27\x08\x94\x2d\xbe\x77\x18\x1a\x2d";
+    unsigned char encresult_192[] = "\xf7\xe4\x26\xd1\xd5\x4f\x8f\x39"
+                                    "\xb1\x9e\xe0\xdf\x61\xb9\xc2\x55\xeb";
+    unsigned char encresult_256[] = "\xa0\x76\x85\xfd\xc1\x65\x71\x9d"
+                                    "\xc7\xe9\x13\x6e\xae\x55\x49\xb4\x13";
+    unsigned char *enc_result = NULL;
+
+    int encl, encf, decl, decf;
+    int ret = 0;
+
+    switch (keysize_idx) {
+        case 0:
+            cipher = EVP_aes_128_cbc();
+            enc_result = &encresult_128[0];
+            break;
+        case 1:
+            cipher = EVP_aes_192_cbc();
+            enc_result = &encresult_192[0];
+            break;
+        case 2:
+            cipher = EVP_aes_256_cbc();
+            enc_result = &encresult_256[0];
+            break;
+        default:
+            cipher = NULL;
+    }
+    if (!TEST_ptr(ctx = EVP_CIPHER_CTX_new()))
+            return 0;
+
+    if (!TEST_true(EVP_CipherInit_ex(ctx, cipher, e, key, iv, 1))
+            || !TEST_true(EVP_CipherUpdate(ctx, ebuf, &encl, in, BUFFER_SIZE))
+            || !TEST_true(EVP_CipherFinal_ex(ctx, ebuf+encl, &encf)))
+        goto end;
+    encl += encf;
+
+    if (!TEST_mem_eq(enc_result, BUFFER_SIZE, ebuf, BUFFER_SIZE))
+        goto end;
+
+    if (!TEST_true(EVP_CIPHER_CTX_reset(ctx))
+            || !TEST_true(EVP_CipherInit_ex(ctx, cipher, e, key, iv, 0))
+            || !TEST_true(EVP_CipherUpdate(ctx, dbuf, &decl, ebuf, encl))
+            || !TEST_true(EVP_CipherFinal_ex(ctx, dbuf+decl, &decf)))
+        goto end;
+    decl += decf;
+
+    if (!TEST_int_eq(decl, BUFFER_SIZE)
+            || !TEST_mem_eq(dbuf, BUFFER_SIZE, in, BUFFER_SIZE))
+        goto end;
+
+    ret = 1;
+
+ end:
+    EVP_CIPHER_CTX_free(ctx);
+    return ret;
+}
+
+static int test_pr16743(void)
+{
+    int ret = 0;
+    const EVP_CIPHER * cipher;
+    EVP_CIPHER_CTX *ctx;
+
+    if (!TEST_true(ENGINE_init(e)))
+        return 0;
+    cipher = ENGINE_get_cipher(e, NID_aes_128_cbc);
+    ctx = EVP_CIPHER_CTX_new();
+    if (cipher != NULL && ctx != NULL)
+        ret = EVP_EncryptInit_ex(ctx, cipher, e, NULL, NULL);
+    TEST_true(ret);
+    EVP_CIPHER_CTX_free(ctx);
+    ENGINE_finish(e);
+    return ret;
+}
+
+int global_init(void)
+{
+    ENGINE_load_builtin_engines();
+# ifndef OPENSSL_NO_STATIC_ENGINE
+    OPENSSL_init_crypto(OPENSSL_INIT_ENGINE_AFALG, NULL);
+# endif
+    return 1;
+}
+#endif
+
+int setup_tests(void)
+{
+#ifndef OPENSSL_NO_ENGINE
+    if ((e = ENGINE_by_id("afalg")) == NULL) {
+        /* Probably a platform env issue, not a test failure. */
+        TEST_info("Can't load AFALG engine");
+    } else {
+        ADD_ALL_TESTS(test_afalg_aes_cbc, 3);
+        ADD_TEST(test_pr16743);
+    }
+#endif
+
+    return 1;
+}
+
+#ifndef OPENSSL_NO_ENGINE
+void cleanup_tests(void)
+{
+    ENGINE_free(e);
+}
+#endif