--- /dev/null
+diff --git a/common.c b/common.c
+index bf72127..2d4739e 100644
+--- a/common.c
++++ b/common.c
+@@ -54,17 +54,14 @@
+ #include <openssl/buffer.h>
+ #endif
+
+-#ifdef HAVE_LIBPOLARSSL
+-#include <polarssl/version.h>
+-#include <polarssl/base64.h>
+-#include <polarssl/x509.h>
+-#include <polarssl/md.h>
+-#include "polarssl/entropy.h"
+-#include "polarssl/ctr_drbg.h"
+-
+-#if POLARSSL_VERSION_NUMBER >= 0x01030000
+-#include "polarssl/compat-1.2.h"
+-#endif
++#ifdef HAVE_LIBMBEDTLS
++#include <mbedtls/version.h>
++#include <mbedtls/base64.h>
++#include <mbedtls/x509.h>
++#include <mbedtls/md.h>
++#include "mbedtls/entropy.h"
++#include "mbedtls/ctr_drbg.h"
++
+ #endif
+
+ #include "common.h"
+@@ -126,16 +123,16 @@ void inform(char *format, ...) {
+ daemon_log(LOG_INFO, "%s", s);
+ }
+
+-#ifdef HAVE_LIBPOLARSSL
++#ifdef HAVE_LIBMBEDTLS
+ char *base64_enc(uint8_t *input, int length) {
+ char *buf = NULL;
+ size_t dlen = 0;
+- int rc = base64_encode(NULL, &dlen, input, length);
+- if (rc && (rc != POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL))
++ int rc = mbedtls_base64_encode(NULL, 0, &dlen, input, length);
++ if (rc && (rc != MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL))
+ debug(1, "Error %d getting length of base64 encode.", rc);
+ else {
+ buf = (char *)malloc(dlen);
+- rc = base64_encode((unsigned char *)buf, &dlen, input, length);
++ rc = mbedtls_base64_encode((unsigned char *)buf, dlen, &dlen, input, length);
+ if (rc != 0)
+ debug(1, "Error %d encoding base64.", rc);
+ }
+@@ -156,10 +153,10 @@ uint8_t *base64_dec(char *input, int *outlen) {
+ else {
+ strcpy(inbuf, input);
+ strcat(inbuf, "===");
+- // debug(1,"base64_dec called with string \"%s\", length %d, filled string: \"%s\", length
+- // %d.",input,strlen(input),inbuf,inbufsize);
+- int rc = base64_decode(buf, &dlen, (unsigned char *)inbuf, inbufsize);
+- if (rc && (rc != POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL))
++ // debug(1,"base64_dec called with string \"%s\", length %d, filled string: \"%s\", length %d.",
++ // input,strlen(input),inbuf,inbufsize);
++ int rc = mbedtls_base64_decode(NULL, 0, &dlen, (unsigned char *)inbuf, inbufsize);
++ if (rc && (rc != MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL))
+ debug(1, "Error %d getting decode length, result is %d.", rc, dlen);
+ else {
+ // debug(1,"Decode size is %d.",dlen);
+@@ -167,7 +164,7 @@ uint8_t *base64_dec(char *input, int *outlen) {
+ if (buf == 0)
+ debug(1, "Can't allocate memory in base64_dec.");
+ else {
+- rc = base64_decode(buf, &dlen, (unsigned char *)inbuf, inbufsize);
++ rc = mbedtls_base64_decode(buf, dlen, &dlen, (unsigned char *)inbuf, inbufsize);
+ if (rc != 0)
+ debug(1, "Error %d in base64_dec.", rc);
+ }
+@@ -280,58 +277,59 @@ uint8_t *rsa_apply(uint8_t *input, int inlen, int *outlen, int mode) {
+ }
+ #endif
+
+-#ifdef HAVE_LIBPOLARSSL
++#ifdef HAVE_LIBMBEDTLS
+ uint8_t *rsa_apply(uint8_t *input, int inlen, int *outlen, int mode) {
+- rsa_context trsa;
++ mbedtls_pk_context pkctx;
++ mbedtls_rsa_context *trsa;
+ const char *pers = "rsa_encrypt";
++ size_t olen = *outlen;
+ int rc;
+
+- entropy_context entropy;
+- ctr_drbg_context ctr_drbg;
+- entropy_init(&entropy);
+- if ((rc = ctr_drbg_init(&ctr_drbg, entropy_func, &entropy, (const unsigned char *)pers,
+- strlen(pers))) != 0)
+- debug(1, "ctr_drbg_init returned %d\n", rc);
++ mbedtls_entropy_context entropy;
++ mbedtls_ctr_drbg_context ctr_drbg;
++
++ mbedtls_entropy_init(&entropy);
++
++ mbedtls_ctr_drbg_init(&ctr_drbg);
++ mbedtls_ctr_drbg_seed(&ctr_drbg, mbedtls_entropy_func, &entropy,
++ (const unsigned char *)pers, strlen(pers));
+
+- rsa_init(&trsa, RSA_PKCS_V21, POLARSSL_MD_SHA1); // padding and hash id get overwritten
+- // BTW, this seems to reset a lot of parameters in the rsa_context
+- rc = x509parse_key(&trsa, (unsigned char *)super_secret_key, strlen(super_secret_key), NULL, 0);
++ mbedtls_pk_init(&pkctx);
++
++ rc = mbedtls_pk_parse_key(&pkctx, (unsigned char *)super_secret_key, sizeof(super_secret_key), NULL, 0);
+ if (rc != 0)
+- debug(1, "Error %d reading the private key.");
++ debug(1, "Error %d reading the private key.", rc);
+
+- uint8_t *out = NULL;
++ uint8_t *outbuf = NULL;
++ trsa = mbedtls_pk_rsa(pkctx);
+
+ switch (mode) {
+ case RSA_MODE_AUTH:
+- trsa.padding = RSA_PKCS_V15;
+- trsa.hash_id = POLARSSL_MD_NONE;
+- debug(2, "rsa_apply encrypt");
+- out = malloc(trsa.len);
+- rc = rsa_pkcs1_encrypt(&trsa, ctr_drbg_random, &ctr_drbg, RSA_PRIVATE, inlen, input, out);
++ mbedtls_rsa_set_padding(trsa, MBEDTLS_RSA_PKCS_V15, MBEDTLS_MD_NONE);
++ outbuf = malloc(trsa->len);
++ rc = mbedtls_rsa_pkcs1_encrypt(trsa, mbedtls_ctr_drbg_random, &ctr_drbg, MBEDTLS_RSA_PRIVATE,
++ inlen, input, outbuf);
+ if (rc != 0)
+- debug(1, "rsa_pkcs1_encrypt error %d.", rc);
+- *outlen = trsa.len;
++ debug(1, "mbedtls_pk_encrypt error %d.", rc);
++ *outlen = trsa->len;
+ break;
+ case RSA_MODE_KEY:
+- debug(2, "rsa_apply decrypt");
+- trsa.padding = RSA_PKCS_V21;
+- trsa.hash_id = POLARSSL_MD_SHA1;
+- out = malloc(trsa.len);
+-#if POLARSSL_VERSION_NUMBER >= 0x01020900
+- rc = rsa_pkcs1_decrypt(&trsa, ctr_drbg_random, &ctr_drbg, RSA_PRIVATE, (size_t *)outlen, input,
+- out, trsa.len);
+-#else
+- rc = rsa_pkcs1_decrypt(&trsa, RSA_PRIVATE, outlen, input, out, trsa.len);
+-#endif
++ mbedtls_rsa_set_padding(trsa, MBEDTLS_RSA_PKCS_V21, MBEDTLS_MD_SHA1);
++ outbuf = malloc(trsa->len);
++ rc = mbedtls_rsa_pkcs1_decrypt(trsa, mbedtls_ctr_drbg_random, &ctr_drbg, MBEDTLS_RSA_PRIVATE,
++ &olen, input, outbuf, trsa->len);
+ if (rc != 0)
+- debug(1, "decrypt error %d.", rc);
++ debug(1, "mbedtls_pk_decrypt error %d.", rc);
++ *outlen = olen;
+ break;
+ default:
+ die("bad rsa mode");
+ }
+- rsa_free(&trsa);
+- debug(2, "rsa_apply exit");
+- return out;
++
++ mbedtls_ctr_drbg_free(&ctr_drbg);
++ mbedtls_entropy_free(&entropy);
++ mbedtls_pk_free(&pkctx);
++ return outbuf;
+ }
+ #endif
+
+@@ -517,7 +515,7 @@ ssize_t non_blocking_write(int fd, const void *buf, size_t count) {
+ void *ibuf = (void *)buf;
+ size_t bytes_remaining = count;
+ int rc = 0;
+- struct pollfd ufds[1];
++ struct pollfd ufds[1];
+ while ((bytes_remaining>0) && (rc==0)) {
+ // check that we can do some writing
+ ufds[0].fd = fd;
+diff --git a/configure.ac b/configure.ac
+index 8d82da4..a2d1e4f 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -108,11 +108,11 @@ AC_ARG_WITH(piddir, [ --with-piddir=<pathname> Specify a pathname to a directory
+ AM_CONDITIONAL([USE_CUSTOMPIDDIR], [test "x$HAS_CUSTOMPIDDIR" = "x1"])
+
+ # Check --with-ssl=argument
+-AC_ARG_WITH(ssl, [ choose --with-ssl=openssl or --with-ssl=polarssl for encryption services], [
++AC_ARG_WITH(ssl, [ choose --with-ssl=openssl or --with-ssl=mbedtls for encryption services], [
+ AC_MSG_CHECKING(encryption libraries chosen)
+ if test "x${with_ssl}" = x -o "x${with_ssl}" = xyes ; then
+ AC_MSG_RESULT(not found)
+- AC_MSG_ERROR(choose either "openssl" or "polarssl" encryption)
++ AC_MSG_ERROR(choose either "openssl" or "mbedtls" encryption)
+ fi
+ if test "x${with_ssl}" = xopenssl ; then
+ if test "x${with_pkg_config}" = xyes ; then
+@@ -127,10 +127,15 @@ AC_ARG_WITH(ssl, [ choose --with-ssl=openssl or --with-ssl=polarssl for encrypti
+ AC_DEFINE([HAVE_LIBCRYPTO],[1],[Define to 1 if you have libcrypto])
+ AC_DEFINE([HAVE_LIBSSL],[1],[Define to 1 if you have libssl])
+ fi
+- elif test "x${with_ssl}" = xpolarssl ; then
+- AC_CHECK_LIB([polarssl],[ssl_init], , AC_MSG_ERROR(PolarSSL selected but the library cannot be found!))
++ elif test "x${with_ssl}" = xmbedtls ; then
++ AC_CHECK_LIB([mbedtls],[mbedtls_ssl_init],,
++ [AC_MSG_ERROR([Cannot find required libray: libmbedtls],1)])
++ AC_CHECK_LIB([mbedcrypto], [mbedtls_entropy_func],,
++ [AC_MSG_ERROR([Cannot find required library: libmbedcrypto],1)])
++ AC_CHECK_LIB([mbedx509], [mbedtls_pk_init],,
++ [AC_MSG_ERROR([Cannot find required library: libmbedx509],1)])
+ else
+- AC_MSG_ERROR(unknown option "${with_ssl}"." Please choose with "openssl" or "polarssl")
++ AC_MSG_ERROR(unknown option "${with_ssl}"." Please choose with "openssl" or "mbedtls")
+ fi
+ ], )
+
+diff --git a/player.c b/player.c
+index 97eccfb..da2d735 100644
+--- a/player.c
++++ b/player.c
+@@ -47,9 +47,9 @@
+
+ #include "config.h"
+
+-#ifdef HAVE_LIBPOLARSSL
+-#include <polarssl/aes.h>
+-#include <polarssl/havege.h>
++#ifdef HAVE_LIBMBEDTLS
++#include <mbedtls/aes.h>
++#include <mbedtls/havege.h>
+ #endif
+
+ #ifdef HAVE_LIBSSL
+@@ -82,8 +82,8 @@ static int max_frame_size_change = 1;
+ // maximal resampling shift - conservative
+ //#define OUTFRAME_BYTES(frame_size) (4 * (frame_size + 3))
+
+-#ifdef HAVE_LIBPOLARSSL
+-static aes_context dctx;
++#ifdef HAVE_LIBMBEDTLS
++static mbedtls_aes_context dctx;
+ #endif
+
+ //static pthread_t player_thread = NULL;
+@@ -247,8 +247,8 @@ static int alac_decode(short *dest, int *destlen, uint8_t *buf, int len) {
+ unsigned char iv[16];
+ int aeslen = len & ~0xf;
+ memcpy(iv, aesiv, sizeof(iv));
+-#ifdef HAVE_LIBPOLARSSL
+- aes_crypt_cbc(&dctx, AES_DECRYPT, aeslen, iv, buf, packet);
++#ifdef HAVE_LIBMBEDTLS
++ mbedtls_aes_crypt_cbc(&dctx, MBEDTLS_AES_DECRYPT, aeslen, iv, buf, packet);
+ #endif
+ #ifdef HAVE_LIBSSL
+ AES_cbc_encrypt(buf, packet, aeslen, &aes, iv, AES_DECRYPT);
+@@ -1685,9 +1685,9 @@ int player_play(stream_cfg *stream, pthread_t *player_thread) {
+ die("specified buffer starting fill %d > buffer size %d", config.buffer_start_fill,
+ BUFFER_FRAMES);
+ if (encrypted) {
+-#ifdef HAVE_LIBPOLARSSL
+- memset(&dctx, 0, sizeof(aes_context));
+- aes_setkey_dec(&dctx, stream->aeskey, 128);
++#ifdef HAVE_LIBMBEDTLS
++ memset(&dctx, 0, sizeof(mbedtls_aes_context));
++ mbedtls_aes_setkey_dec(&dctx, stream->aeskey, 128);
+ #endif
+
+ #ifdef HAVE_LIBSSL
+diff --git a/rtsp.c b/rtsp.c
+index 38b0745..8003803 100644
+--- a/rtsp.c
++++ b/rtsp.c
+@@ -50,8 +50,8 @@
+ #include <openssl/md5.h>
+ #endif
+
+-#ifdef HAVE_LIBPOLARSSL
+-#include <polarssl/md5.h>
++#ifdef HAVE_LIBMBEDTLS
++#include <mbedtls/md5.h>
+ #endif
+
+ #include "common.h"
+@@ -979,7 +979,7 @@ static void handle_set_parameter_parameter(rtsp_conn_info *conn,
+ // more significant changes make it not malloc memory
+ // needs to initialise the docoding table first
+
+-// add _so to end of name to avoid confusion with polarssl's implementation
++// add _so to end of name to avoid confusion with SSL library implementation
+
+ static char encoding_table[] = {
+ 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M',
+@@ -1651,21 +1651,21 @@ static int rtsp_auth(char **nonce, rtsp_message *req, rtsp_message *resp) {
+ MD5_Final(digest_mu, &ctx);
+ #endif
+
+-#ifdef HAVE_LIBPOLARSSL
+- md5_context tctx;
+- md5_starts(&tctx);
+- md5_update(&tctx, (const unsigned char *)username, strlen(username));
+- md5_update(&tctx, (unsigned char *)":", 1);
+- md5_update(&tctx, (const unsigned char *)realm, strlen(realm));
+- md5_update(&tctx, (unsigned char *)":", 1);
+- md5_update(&tctx, (const unsigned char *)config.password,
++#ifdef HAVE_LIBMBEDTLS
++ mbedtls_md5_context tctx;
++ mbedtls_md5_starts(&tctx);
++ mbedtls_md5_update(&tctx, (const unsigned char *)username, strlen(username));
++ mbedtls_md5_update(&tctx, (unsigned char *)":", 1);
++ mbedtls_md5_update(&tctx, (const unsigned char *)realm, strlen(realm));
++ mbedtls_md5_update(&tctx, (unsigned char *)":", 1);
++ mbedtls_md5_update(&tctx, (const unsigned char *)config.password,
+ strlen(config.password));
+- md5_finish(&tctx, digest_urp);
+- md5_starts(&tctx);
+- md5_update(&tctx, (const unsigned char *)req->method, strlen(req->method));
+- md5_update(&tctx, (unsigned char *)":", 1);
+- md5_update(&tctx, (const unsigned char *)uri, strlen(uri));
+- md5_finish(&tctx, digest_mu);
++ mbedtls_md5_finish(&tctx, digest_urp);
++ mbedtls_md5_starts(&tctx);
++ mbedtls_md5_update(&tctx, (const unsigned char *)req->method, strlen(req->method));
++ mbedtls_md5_update(&tctx, (unsigned char *)":", 1);
++ mbedtls_md5_update(&tctx, (const unsigned char *)uri, strlen(uri));
++ mbedtls_md5_finish(&tctx, digest_mu);
+ #endif
+
+ int i;
+@@ -1685,16 +1685,16 @@ static int rtsp_auth(char **nonce, rtsp_message *req, rtsp_message *resp) {
+ MD5_Final(digest_total, &ctx);
+ #endif
+
+-#ifdef HAVE_LIBPOLARSSL
+- md5_starts(&tctx);
+- md5_update(&tctx, buf, 32);
+- md5_update(&tctx, (unsigned char *)":", 1);
+- md5_update(&tctx, (const unsigned char *)*nonce, strlen(*nonce));
+- md5_update(&tctx, (unsigned char *)":", 1);
++#ifdef HAVE_LIBMBEDTLS
++ mbedtls_md5_starts(&tctx);
++ mbedtls_md5_update(&tctx, buf, 32);
++ mbedtls_md5_update(&tctx, (unsigned char *)":", 1);
++ mbedtls_md5_update(&tctx, (const unsigned char *)*nonce, strlen(*nonce));
++ mbedtls_md5_update(&tctx, (unsigned char *)":", 1);
+ for (i = 0; i < 16; i++)
+ sprintf((char *)buf + 2 * i, "%02x", digest_mu[i]);
+- md5_update(&tctx, buf, 32);
+- md5_finish(&tctx, digest_total);
++ mbedtls_md5_update(&tctx, buf, 32);
++ mbedtls_md5_finish(&tctx, digest_total);
+ #endif
+
+ for (i = 0; i < 16; i++)
+diff --git a/shairport.c b/shairport.c
+index f725d60..2349447 100644
+--- a/shairport.c
++++ b/shairport.c
+@@ -42,8 +42,8 @@
+
+ #include "config.h"
+
+-#ifdef HAVE_LIBPOLARSSL
+-#include <polarssl/md5.h>
++#ifdef HAVE_LIBMBEDTLS
++#include <mbedtls/md5.h>
+ #endif
+
+ #ifdef HAVE_LIBSSL
+@@ -109,8 +109,8 @@ char* get_version_string() {
+ char* version_string = malloc(200);
+ if (version_string) {
+ strcpy(version_string, PACKAGE_VERSION);
+- #ifdef HAVE_LIBPOLARSSL
+- strcat(version_string, "-PolarSSL");
++ #ifdef HAVE_LIBMBEDTLS
++ strcat(version_string, "-mbedTLS");
+ #endif
+ #ifdef HAVE_LIBSSL
+ strcat(version_string, "-OpenSSL");
+@@ -1046,11 +1046,11 @@ int main(int argc, char **argv) {
+ MD5_Final(ap_md5, &ctx);
+ #endif
+
+-#ifdef HAVE_LIBPOLARSSL
+- md5_context tctx;
+- md5_starts(&tctx);
+- md5_update(&tctx, (unsigned char *)config.service_name, strlen(config.service_name));
+- md5_finish(&tctx, ap_md5);
++#ifdef HAVE_LIBMBEDTLS
++ mbedtls_md5_context tctx;
++ mbedtls_md5_starts(&tctx);
++ mbedtls_md5_update(&tctx, (unsigned char *)config.service_name, strlen(config.service_name));
++ mbedtls_md5_finish(&tctx, ap_md5);
+ #endif
+ memcpy(config.hw_addr, ap_md5, sizeof(config.hw_addr));
+ #ifdef CONFIG_METADATA