diff --git a/include/mbedtls/cmac.h b/include/mbedtls/cmac.h
new file mode 100644
index 0000000..08483f6
--- /dev/null
+++ b/include/mbedtls/cmac.h
@@ -0,0 +1,139 @@
+/**
+ * \file cmac.h
+ *
+ * \brief The CMAC Mode for Authentication
+ *
+ *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  This file is part of mbed TLS (https://tls.mbed.org)
+ */
+#ifndef MBEDTLS_CMAC_H
+#define MBEDTLS_CMAC_H
+
+#include "cipher.h"
+
+#define MBEDTLS_ERR_CMAC_BAD_INPUT      -0x000D /**< Bad input parameters to function. */
+#define MBEDTLS_ERR_CMAC_VERIFY_FAILED  -0x000F /**< Verification failed. */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief          CCM context structure
+ */
+typedef struct {
+    mbedtls_cipher_context_t cipher_ctx;    /*!< cipher context used */
+    unsigned char K1[16];
+    unsigned char K2[16];
+}
+mbedtls_cmac_context;
+
+/**
+ * \brief           Initialize CMAC context (just makes references valid)
+ *                  Makes the context ready for mbedtls_cmac_setkey() or
+ *                  mbedtls_cmac_free().
+ *
+ * \param ctx       CMAC context to initialize
+ */
+void mbedtls_cmac_init( mbedtls_cmac_context *ctx );
+
+/**
+ * \brief           CMAC initialization
+ *
+ * \param ctx       CMAC context to be initialized
+ * \param cipher    cipher to use (a 128-bit block cipher)
+ * \param key       encryption key
+ * \param keybits   key size in bits (must be acceptable by the cipher)
+ *
+ * \return          0 if successful, or a cipher specific error code
+ */
+int mbedtls_cmac_setkey( mbedtls_cmac_context *ctx,
+                         mbedtls_cipher_id_t cipher,
+                         const unsigned char *key,
+                         unsigned int keybits );
+
+/**
+ * \brief           Free a CMAC context and underlying cipher sub-context
+ *
+ * \param ctx       CMAC context to free
+ */
+void mbedtls_cmac_free( mbedtls_cmac_context *ctx );
+
+/**
+ * \brief           CMAC generate
+ *
+ * \param ctx       CMAC context
+ * \param length    length of the input data in bytes
+ * \param input     buffer holding the input data
+ * \param tag       buffer for holding the generated tag
+ * \param tag_len   length of the tag to generate in bytes
+ *                  must be between 4, 6, 8, 10, 14 or 16
+ *
+ * \return          0 if successful
+ */
+int mbedtls_cmac_generate( mbedtls_cmac_context *ctx, size_t length,
+                           const unsigned char *input,
+                           unsigned char *tag, size_t tag_len );
+
+/**
+ * \brief           CMAC verify
+ *
+ * \param ctx       CMAC context
+ * \param length    length of the input data in bytes
+ * \param input     buffer holding the input data
+ * \param tag       buffer holding the tag to verify
+ * \param tag_len   length of the tag to verify in bytes
+ *                  must be 4, 6, 8, 10, 14 or 16
+ *
+ * \return          0 if successful and authenticated,
+ *                  MBEDTLS_ERR_CMAC_AUTH_FAILED if tag does not match
+ */
+int mbedtls_cmac_verify( mbedtls_cmac_context *ctx, size_t length,
+                         const unsigned char *input,
+                         const unsigned char *tag, size_t tag_len );
+
+/**
+ * \brief           AES-CMAC-128-PRF
+ *
+ * \param ctx       CMAC context
+ * \param length    length of the input data in bytes
+ * \param key       PRF key
+ * \param key_len   PRF key length
+ * \param input     buffer holding the input data
+ * \param tag       buffer holding the tag to verify (16 bytes)
+ *
+ * \return          0 if successful
+ */
+int mbedtls_aes_cmac_prf_128( mbedtls_cmac_context *ctx, size_t length,
+                              const unsigned char *key, size_t key_len,
+                              const unsigned char *input,
+                              unsigned char *tag );
+
+#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_AES_C)
+/**
+ * \brief          Checkup routine
+ *
+ * \return         0 if successful, or 1 if the test failed
+ */
+int mbedtls_cmac_self_test( int verbose );
+#endif /* MBEDTLS_SELF_TEST && MBEDTLS_AES_C */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* MBEDTLS_CMAC_H */