2b11ab660abd41cb962caa67fd3a948093eb6bad
[platform/upstream/iotivity.git] / extlibs / mbedtls / ocf.patch
1 diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
2 index fe86c1e..e4583d6 100644
3 --- a/include/mbedtls/check_config.h
4 +++ b/include/mbedtls/check_config.h
5 @@ -189,6 +189,11 @@
6  #error "MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED defined, but not all prerequisites"
7  #endif
8  
9 +#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED) &&                 \
10 +    ( !defined(MBEDTLS_ECDH_C) )
11 +#error "MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED defined, but not all prerequisites"
12 +#endif
13 +
14  #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) &&                 \
15      ( !defined(MBEDTLS_ECDH_C) || !defined(MBEDTLS_ECDSA_C) ||          \
16        !defined(MBEDTLS_X509_CRT_PARSE_C) )
17 diff --git a/include/mbedtls/compat-1.3.h b/include/mbedtls/compat-1.3.h
18 index 27abbd9..fa4db26 100644
19 --- a/include/mbedtls/compat-1.3.h
20 +++ b/include/mbedtls/compat-1.3.h
21 @@ -264,6 +264,9 @@
22  #if defined MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
23  #define POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
24  #endif
25 +#if defined MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED
26 +#define POLARSSL_KEY_EXCHANGE_ECDH_ANON_ENABLED MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED
27 +#endif
28  #if defined MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED
29  #define POLARSSL_KEY_EXCHANGE_ECDH_ECDSA_ENABLED MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED
30  #endif
31 @@ -1273,6 +1276,7 @@
32  #define POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA
33  #define POLARSSL_KEY_EXCHANGE_ECDHE_PSK MBEDTLS_KEY_EXCHANGE_ECDHE_PSK
34  #define POLARSSL_KEY_EXCHANGE_ECDHE_RSA MBEDTLS_KEY_EXCHANGE_ECDHE_RSA
35 +#define POLARSSL_KEY_EXCHANGE_ECDH_ANON MBEDTLS_KEY_EXCHANGE_ECDH_ANON
36  #define POLARSSL_KEY_EXCHANGE_ECDH_ECDSA MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA
37  #define POLARSSL_KEY_EXCHANGE_ECDH_RSA MBEDTLS_KEY_EXCHANGE_ECDH_RSA
38  #define POLARSSL_KEY_EXCHANGE_NONE MBEDTLS_KEY_EXCHANGE_NONE
39 @@ -1616,6 +1620,7 @@
40  #define TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384 MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384
41  #define TLS_ECDHE_RSA_WITH_NULL_SHA MBEDTLS_TLS_ECDHE_RSA_WITH_NULL_SHA
42  #define TLS_ECDHE_RSA_WITH_RC4_128_SHA MBEDTLS_TLS_ECDHE_RSA_WITH_RC4_128_SHA
43 +#define TLS_ECDH_ANON_WITH_AES_128_CBC_SHA256 MBEDTLS_TLS_ECDH_ANON_WITH_AES_128_CBC_SHA256
44  #define TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA MBEDTLS_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
45  #define TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
46  #define TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
47 diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
48 index 6fc9c77..9798b39 100644
49 --- a/include/mbedtls/config.h
50 +++ b/include/mbedtls/config.h
51 @@ -648,6 +648,21 @@
52  #define MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED
53  
54  /**
55 + * \def MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED
56 + *
57 + * Enable the ECDHE-ANON based ciphersuite modes in SSL / TLS.
58 + *
59 + * Requires: MBEDTLS_ECDH_C
60 + *
61 + *
62 + * This enables the following ciphersuites (if other requisites are
63 + * enabled as well):
64 + *      MBEDTLS_TLS_ECDH_ANON_WITH_AES_128_CBC_SHA256
65 + */
66 +#define MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED
67 +
68 +
69 +/**
70   * \def MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED
71   *
72   * Enable the ECDHE-ECDSA based ciphersuite modes in SSL / TLS.
73 @@ -1233,7 +1248,7 @@
74   *
75   * Comment this macro to disable support for SSL session tickets
76   */
77 -#define MBEDTLS_SSL_SESSION_TICKETS
78 +//#define MBEDTLS_SSL_SESSION_TICKETS
79  
80  /**
81   * \def MBEDTLS_SSL_EXPORT_KEYS
82 @@ -1473,6 +1488,7 @@
83   *      MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256
84   *      MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA256
85   *      MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA
86 + *      MBEDTLS_TLS_ECDH_ANON_WITH_AES_128_CBC_SHA256
87   *
88   * PEM_PARSE uses AES for decrypting encrypted keys.
89   */
90 diff --git a/include/mbedtls/ssl.h b/include/mbedtls/ssl.h
91 index ba499d2..8046e6e 100644
92 --- a/include/mbedtls/ssl.h
93 +++ b/include/mbedtls/ssl.h
94 @@ -358,7 +358,8 @@ union mbedtls_ssl_premaster_secret
95  #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED)    || \
96      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)  || \
97      defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED)     || \
98 -    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
99 +    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)   || \
100 +    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED)
101      unsigned char _pms_ecdh[MBEDTLS_ECP_MAX_BYTES];    /* RFC 4492 5.10 */
102  #endif
103  #if defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED)
104 diff --git a/include/mbedtls/ssl_ciphersuites.h b/include/mbedtls/ssl_ciphersuites.h
105 index deaaa37..4f10540 100644
106 --- a/include/mbedtls/ssl_ciphersuites.h
107 +++ b/include/mbedtls/ssl_ciphersuites.h
108 @@ -158,6 +158,8 @@ extern "C" {
109  #define MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256     0xC031 /**< TLS 1.2 */
110  #define MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384     0xC032 /**< TLS 1.2 */
111  
112 +#define MBEDTLS_TLS_ECDH_ANON_WITH_AES_128_CBC_SHA256    0xFF00 /**< TLS 1.2 */
113 +
114  #define MBEDTLS_TLS_ECDHE_PSK_WITH_RC4_128_SHA           0xC033 /**< Not in SSL3! */
115  #define MBEDTLS_TLS_ECDHE_PSK_WITH_3DES_EDE_CBC_SHA      0xC034 /**< Not in SSL3! */
116  #define MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA       0xC035 /**< Not in SSL3! */
117 @@ -247,6 +249,7 @@ typedef enum {
118      MBEDTLS_KEY_EXCHANGE_ECDH_RSA,
119      MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA,
120      MBEDTLS_KEY_EXCHANGE_ECJPAKE,
121 +    MBEDTLS_KEY_EXCHANGE_ECDH_ANON,
122  } mbedtls_key_exchange_type_t;
123  
124  /* Key exchanges using a certificate */
125 @@ -271,7 +274,8 @@ typedef enum {
126  /* Key exchanges using a ECDHE */
127  #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED)     || \
128      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)   || \
129 -    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
130 +    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)     || \
131 +    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED)
132  #define MBEDTLS_KEY_EXCHANGE__SOME__ECDHE_ENABLED
133  #endif
134  
135 diff --git a/library/entropy_poll.c b/library/entropy_poll.c
136 index a116e60..c022caf 100644
137 --- a/library/entropy_poll.c
138 +++ b/library/entropy_poll.c
139 @@ -54,28 +54,29 @@
140  #define _WIN32_WINNT 0x0400
141  #endif
142  #include <windows.h>
143 -#include <wincrypt.h>
144 +#include <bcrypt.h>
145  
146  int mbedtls_platform_entropy_poll( void *data, unsigned char *output, size_t len,
147                             size_t *olen )
148  {
149 -    HCRYPTPROV provider;
150      ((void) data);
151      *olen = 0;
152  
153 -    if( CryptAcquireContext( &provider, NULL, NULL,
154 -                              PROV_RSA_FULL, CRYPT_VERIFYCONTEXT ) == FALSE )
155 +    /*
156 +     * size_t may be 64 bits, but ULONG is always 32.
157 +     * If len is larger than the maximum for ULONG, just fail.
158 +     * It's unlikely anything ever will want to ask for this much randomness.
159 +     */
160 +    if ( len > 0xFFFFFFFFULL )
161      {
162          return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
163      }
164  
165 -    if( CryptGenRandom( provider, (DWORD) len, output ) == FALSE )
166 +    if ( !BCRYPT_SUCCESS(BCryptGenRandom(NULL, output, (ULONG) len, BCRYPT_USE_SYSTEM_PREFERRED_RNG)) )
167      {
168 -        CryptReleaseContext( provider, 0 );
169          return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
170      }
171  
172 -    CryptReleaseContext( provider, 0 );
173      *olen = len;
174  
175      return( 0 );
176 diff --git a/library/ssl_ciphersuites.c b/library/ssl_ciphersuites.c
177 index a762bf7..021ab50 100644
178 --- a/library/ssl_ciphersuites.c
179 +++ b/library/ssl_ciphersuites.c
180 @@ -95,6 +95,7 @@ static const int ciphersuite_preference[] =
181      MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
182      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8,
183      MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CCM_8,
184 +    MBEDTLS_TLS_ECDH_ANON_WITH_AES_128_CBC_SHA256,
185  
186      /* All CAMELLIA-128 ephemeral suites */
187      MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_128_GCM_SHA256,
188 @@ -407,6 +408,22 @@ static const mbedtls_ssl_ciphersuite_t ciphersuite_definitions[] =
189  #endif /* MBEDTLS_CIPHER_NULL_CIPHER */
190  #endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */
191  
192 +
193 +#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED)
194 +#if defined(MBEDTLS_AES_C)
195 +#if defined(MBEDTLS_SHA256_C)
196 +#if defined(MBEDTLS_CIPHER_MODE_CBC)
197 +    { MBEDTLS_TLS_ECDH_ANON_WITH_AES_128_CBC_SHA256, "TLS-ECDH-ANON-WITH-AES-128-CBC-SHA256",
198 +      MBEDTLS_CIPHER_AES_128_CBC, MBEDTLS_MD_SHA256, MBEDTLS_KEY_EXCHANGE_ECDH_ANON,
199 +      MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
200 +      MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
201 +      0 },
202 +#endif /* MBEDTLS_CIPHER_MODE_CBC */
203 +#endif /* MBEDTLS_SHA256_C */
204 +#endif /* MBEDTLS_AES_C */
205 +#endif /* MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED */
206 +
207 +
208  #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED)
209  #if defined(MBEDTLS_AES_C)
210  #if defined(MBEDTLS_SHA1_C)
211 @@ -1829,6 +1846,7 @@ int mbedtls_ssl_ciphersuite_uses_ec( const mbedtls_ssl_ciphersuite_t *info )
212          case MBEDTLS_KEY_EXCHANGE_ECDHE_PSK:
213          case MBEDTLS_KEY_EXCHANGE_ECDH_RSA:
214          case MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA:
215 +        case MBEDTLS_KEY_EXCHANGE_ECDH_ANON:
216              return( 1 );
217  
218          default:
219 diff --git a/library/ssl_cli.c b/library/ssl_cli.c
220 index 223823b..945c973 100644
221 --- a/library/ssl_cli.c
222 +++ b/library/ssl_cli.c
223 @@ -1904,7 +1904,8 @@ static int ssl_parse_server_dh_params( mbedtls_ssl_context *ssl, unsigned char *
224      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
225      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||                     \
226      defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||                      \
227 -    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
228 +    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) ||                    \
229 +    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED)
230  static int ssl_check_server_ecdh_params( const mbedtls_ssl_context *ssl )
231  {
232      const mbedtls_ecp_curve_info *curve_info;
233 @@ -1934,11 +1935,13 @@ static int ssl_check_server_ecdh_params( const mbedtls_ssl_context *ssl )
234            MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ||
235            MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED ||
236            MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED ||
237 -          MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED */
238 +          MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED ||
239 +          MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED */
240  
241  #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
242      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
243 -    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
244 +    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||                     \
245 +    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED)
246  static int ssl_parse_server_ecdh_params( mbedtls_ssl_context *ssl,
247                                           unsigned char **p,
248                                           unsigned char *end )
249 @@ -1970,40 +1973,80 @@ static int ssl_parse_server_ecdh_params( mbedtls_ssl_context *ssl,
250  }
251  #endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
252            MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ||
253 -          MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
254 +          MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED ||
255 +          MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED*/
256  
257  #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
258  static int ssl_parse_server_psk_hint( mbedtls_ssl_context *ssl,
259                                        unsigned char **p,
260                                        unsigned char *end )
261  {
262 -    int ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
263 -    size_t  len;
264 -    ((void) ssl);
265 +    int ret = 0;
266 +    size_t n;
267 +
268 +    if( ssl->conf->f_psk == NULL &&
269 +        ( ssl->conf->psk == NULL || ssl->conf->psk_identity == NULL ||
270 +          ssl->conf->psk_identity_len == 0 || ssl->conf->psk_len == 0 ) )
271 +    {
272 +        MBEDTLS_SSL_DEBUG_MSG( 1, ( "got no pre-shared key" ) );
273 +        return( MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED );
274 +    }
275  
276      /*
277 -     * PSK parameters:
278 -     *
279 -     * opaque psk_identity_hint<0..2^16-1>;
280 +     * Receive client pre-shared key identity name
281       */
282 -    len = (*p)[0] << 8 | (*p)[1];
283 +    if( *p + 2 > end )
284 +    {
285 +        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
286 +        return( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE );
287 +    }
288 +
289 +    n = ( (*p)[0] << 8 ) | (*p)[1];
290      *p += 2;
291  
292 -    if( (*p) + len > end )
293 +    if (n == 0)
294      {
295 -        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message (psk_identity_hint length)" ) );
296 -        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
297 +        return ( 0 );
298      }
299  
300 -    /*
301 -     * Note: we currently ignore the PKS identity hint, as we only allow one
302 -     * PSK to be provisionned on the client. This could be changed later if
303 -     * someone needs that feature.
304 -     */
305 -    *p += len;
306 -    ret = 0;
307 +    if( n < 1 || n > 65535 || *p + n > end )
308 +    {
309 +        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
310 +        return( MBEDTLS_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE );
311 +    }
312  
313 -    return( ret );
314 +    if( ssl->conf->f_psk != NULL )
315 +    {
316 +        if( ssl->conf->f_psk( ssl->conf->p_psk, ssl, *p, n ) != 0 )
317 +            ret = MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY;
318 +    }
319 +    else
320 +    {
321 +        /* Identity is not a big secret since clients send it in the clear,
322 +         * but treat it carefully anyway, just in case */
323 +        if( n != ssl->conf->psk_identity_len ||
324 +            mbedtls_ssl_safer_memcmp( ssl->conf->psk_identity, *p, n ) != 0 )
325 +        {
326 +            ret = MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY;
327 +        }
328 +    }
329 +
330 +    if( ret == MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY )
331 +    {
332 +        MBEDTLS_SSL_DEBUG_BUF( 3, "Unknown PSK identity", *p, n );
333 +        if( ( ret = mbedtls_ssl_send_alert_message( ssl,
334 +                              MBEDTLS_SSL_ALERT_LEVEL_FATAL,
335 +                              MBEDTLS_SSL_ALERT_MSG_UNKNOWN_PSK_IDENTITY ) ) != 0 )
336 +        {
337 +            return( ret );
338 +        }
339 +
340 +        return( MBEDTLS_ERR_SSL_UNKNOWN_IDENTITY );
341 +    }
342 +
343 +    *p += n;
344 +
345 +    return( 0 );
346  }
347  #endif /* MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED */
348  
349 @@ -2299,10 +2342,12 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl )
350            MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
351  #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
352      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||                     \
353 -    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
354 +    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
355 +    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED)
356      if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
357          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
358 -        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA )
359 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA ||
360 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ANON )
361      {
362          if( ssl_parse_server_ecdh_params( ssl, &p, end ) != 0 )
363          {
364 @@ -2313,7 +2358,8 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl )
365      else
366  #endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
367            MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED ||
368 -          MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */
369 +          MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ||
370 +          MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED */
371  #if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
372      if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE )
373      {
374 @@ -2384,6 +2430,10 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl )
375              return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
376          }
377  
378 +// Anonim cipher suite without sign, ecdh param only
379 +#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED)
380 +        goto exit;
381 +#endif
382          /*
383           * Read signature
384           */
385 @@ -2534,7 +2584,8 @@ static int ssl_parse_certificate_request( mbedtls_ssl_context *ssl )
386          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK ||
387          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK ||
388          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
389 -        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE )
390 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE ||
391 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ANON )
392      {
393          MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse certificate request" ) );
394          ssl->state++;
395 @@ -2559,7 +2610,8 @@ static int ssl_parse_certificate_request( mbedtls_ssl_context *ssl )
396          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK ||
397          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK ||
398          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
399 -        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE )
400 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE ||
401 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ANON )
402      {
403          MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse certificate request" ) );
404          ssl->state++;
405 @@ -2773,11 +2825,13 @@ static int ssl_write_client_key_exchange( mbedtls_ssl_context *ssl )
406  #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
407      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
408      defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||                      \
409 -    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
410 +    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) ||                    \
411 +    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED)
412      if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
413          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA ||
414          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_RSA ||
415 -        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA )
416 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA ||
417 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ANON)
418      {
419          /*
420           * ECDH key exchange -- send client public value
421 @@ -2812,7 +2866,8 @@ static int ssl_write_client_key_exchange( mbedtls_ssl_context *ssl )
422  #endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
423            MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ||
424            MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED ||
425 -          MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED */
426 +          MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED
427 +          MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED */
428  #if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
429      if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
430          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK ||
431 @@ -3002,7 +3057,8 @@ static int ssl_write_certificate_verify( mbedtls_ssl_context *ssl )
432          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK ||
433          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
434          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK ||
435 -        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE )
436 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE ||
437 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ANON )
438      {
439          MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate verify" ) );
440          ssl->state++;
441 @@ -3035,7 +3091,8 @@ static int ssl_write_certificate_verify( mbedtls_ssl_context *ssl )
442          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK ||
443          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
444          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK ||
445 -        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE )
446 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE ||
447 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ANON )
448      {
449          MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate verify" ) );
450          ssl->state++;
451 diff --git a/library/ssl_srv.c b/library/ssl_srv.c
452 index fc0d2d7..6965f1f 100644
453 --- a/library/ssl_srv.c
454 +++ b/library/ssl_srv.c
455 @@ -2498,6 +2498,7 @@ static int ssl_write_certificate_request( mbedtls_ssl_context *ssl )
456          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK ||
457          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
458          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE ||
459 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ANON ||
460          authmode == MBEDTLS_SSL_VERIFY_NONE )
461      {
462          MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate request" ) );
463 @@ -2675,7 +2676,8 @@ static int ssl_write_server_key_exchange( mbedtls_ssl_context *ssl )
464      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
465      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||                     \
466      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
467 -    defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
468 +    defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED) ||                        \
469 +    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED)
470      unsigned char *p = ssl->out_msg + 4;
471      unsigned char *dig_signed = p;
472      size_t dig_signed_len = 0, len;
473 @@ -2736,12 +2738,11 @@ static int ssl_write_server_key_exchange( mbedtls_ssl_context *ssl )
474      if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK ||
475          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK )
476      {
477 -        /* Note: we don't support identity hints, until someone asks
478 -         * for them. */
479 -        *(p++) = 0x00;
480 -        *(p++) = 0x00;
481 -
482 -        n += 2;
483 +        *(p++) = (unsigned char)( ssl->conf->psk_identity_len >> 8 );
484 +        *(p++) = (unsigned char)( ssl->conf->psk_identity_len      );
485 +        memcpy(p, ssl->conf->psk_identity, ssl->conf->psk_identity_len);
486 +        p += ssl->conf->psk_identity_len;
487 +        n += ssl->conf->psk_identity_len + 2;
488      }
489  #endif /* MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED ||
490            MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
491 @@ -2798,7 +2799,8 @@ static int ssl_write_server_key_exchange( mbedtls_ssl_context *ssl )
492  #if defined(MBEDTLS_KEY_EXCHANGE__SOME__ECDHE_ENABLED)
493      if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
494          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA ||
495 -        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK )
496 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
497 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ANON)
498      {
499          /*
500           * Ephemeral ECDH parameters:
501 @@ -3336,11 +3338,13 @@ static int ssl_parse_client_key_exchange( mbedtls_ssl_context *ssl )
502  #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
503      defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
504      defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||                      \
505 -    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
506 +    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED) ||                    \
507 +    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED)
508      if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
509          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA ||
510          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_RSA ||
511 -        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA )
512 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA ||
513 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ANON )
514      {
515          if( ( ret = mbedtls_ecdh_read_public( &ssl->handshake->ecdh_ctx,
516                                        p, end - p) ) != 0 )
517 @@ -3539,7 +3543,8 @@ static int ssl_parse_certificate_verify( mbedtls_ssl_context *ssl )
518          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK ||
519          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
520          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK ||
521 -        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE )
522 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE ||
523 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ANON )
524      {
525          MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse certificate verify" ) );
526          ssl->state++;
527 @@ -3570,6 +3575,7 @@ static int ssl_parse_certificate_verify( mbedtls_ssl_context *ssl )
528          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
529          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK ||
530          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE ||
531 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ANON ||
532          ssl->session_negotiate->peer_cert == NULL )
533      {
534          MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse certificate verify" ) );
535 diff --git a/library/ssl_tls.c b/library/ssl_tls.c
536 index 84a04ae..938b840 100644
537 --- a/library/ssl_tls.c
538 +++ b/library/ssl_tls.c
539 @@ -4066,7 +4066,8 @@ int mbedtls_ssl_write_certificate( mbedtls_ssl_context *ssl )
540      if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
541          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK ||
542          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
543 -        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE )
544 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE ||
545 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ANON )
546      {
547          MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate" ) );
548          ssl->state++;
549 @@ -4086,7 +4087,8 @@ int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl )
550      if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
551          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK ||
552          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
553 -        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE )
554 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE ||
555 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ANON )
556      {
557          MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse certificate" ) );
558          ssl->state++;
559 @@ -4109,7 +4111,8 @@ int mbedtls_ssl_write_certificate( mbedtls_ssl_context *ssl )
560      if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
561          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK ||
562          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
563 -        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE )
564 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE ||
565 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ANON )
566      {
567          MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate" ) );
568          ssl->state++;
569 @@ -4225,7 +4228,8 @@ int mbedtls_ssl_parse_certificate( mbedtls_ssl_context *ssl )
570      if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
571          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK ||
572          ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
573 -        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE )
574 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE ||
575 +        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ANON )
576      {
577          MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse certificate" ) );
578          ssl->state++;
579 @@ -7539,6 +7543,7 @@ int mbedtls_ssl_check_cert_usage( const mbedtls_x509_crt *cert,
580              case MBEDTLS_KEY_EXCHANGE_DHE_PSK:
581              case MBEDTLS_KEY_EXCHANGE_ECDHE_PSK:
582              case MBEDTLS_KEY_EXCHANGE_ECJPAKE:
583 +            case MBEDTLS_KEY_EXCHANGE_ECDH_ANON:
584                  usage = 0;
585          }
586      }
587 diff --git a/library/version_features.c b/library/version_features.c
588 index e866e67..3184bc2 100644
589 --- a/library/version_features.c
590 +++ b/library/version_features.c
591 @@ -264,6 +264,9 @@ static const char *features[] = {
592  #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED)
593      "MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED",
594  #endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED */
595 +#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED)
596 +    "MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED",
597 +#endif /* MBEDTLS_KEY_EXCHANGE_ECDH_ANON_ENABLED */
598  #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
599      "MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED",
600  #endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */
601 diff --git a/library/x509_crt.c b/library/x509_crt.c
602 index 60e14f9..67cedde 100644
603 --- a/library/x509_crt.c
604 +++ b/library/x509_crt.c
605 @@ -62,6 +62,7 @@
606  
607  #if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
608  #include <windows.h>
609 +#include <intsafe.h>
610  #else
611  #include <time.h>
612  #endif
613 @@ -1108,6 +1109,7 @@ int mbedtls_x509_crt_parse_path( mbedtls_x509_crt *chain, const char *path )
614      char filename[MAX_PATH];
615      char *p;
616      size_t len = strlen( path );
617 +    int lengthAsInt = 0;
618  
619      WIN32_FIND_DATAW file_data;
620      HANDLE hFind;
621 @@ -1122,7 +1124,10 @@ int mbedtls_x509_crt_parse_path( mbedtls_x509_crt *chain, const char *path )
622      p = filename + len;
623      filename[len++] = '*';
624  
625 -    w_ret = MultiByteToWideChar( CP_ACP, 0, filename, len, szDir,
626 +    if ( FAILED ( SizeTToInt( len, &lengthAsInt ) ) )
627 +        return( MBEDTLS_ERR_X509_FILE_IO_ERROR );
628 +
629 +    w_ret = MultiByteToWideChar( CP_ACP, 0, filename, lengthAsInt, szDir,
630                                   MAX_PATH - 3 );
631      if( w_ret == 0 )
632          return( MBEDTLS_ERR_X509_BAD_INPUT_DATA );
633 @@ -1139,8 +1144,11 @@ int mbedtls_x509_crt_parse_path( mbedtls_x509_crt *chain, const char *path )
634          if( file_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY )
635              continue;
636  
637 +        if ( FAILED( SizeTToInt( wcslen( file_data.cFileName ), &lengthAsInt ) ) )
638 +            return( MBEDTLS_ERR_X509_FILE_IO_ERROR );
639 +
640          w_ret = WideCharToMultiByte( CP_ACP, 0, file_data.cFileName,
641 -                                     lstrlenW( file_data.cFileName ),
642 +                                     lengthAsInt,
643                                       p, (int) len - 1,
644                                       NULL, NULL );
645          if( w_ret == 0 )