CyaSSL 3.0.0

Dependents:   HTTPClient-SSL HTTPClient HTTPClient-SSL http_access ... more

Revision:
0:1239e9b70ca2
diff -r 000000000000 -r 1239e9b70ca2 cyassl/internal.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cyassl/internal.h	Sat Jul 12 07:18:23 2014 +0000
@@ -0,0 +1,2144 @@
+/* internal.h
+ *
+ * Copyright (C) 2006-2014 wolfSSL Inc.
+ *
+ * This file is part of CyaSSL.
+ *
+ * CyaSSL is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * CyaSSL is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+
+#ifndef CYASSL_INT_H
+#define CYASSL_INT_H
+
+
+#include <cyassl/ctaocrypt/types.h>
+#include <cyassl/ssl.h>
+#include <cyassl/crl.h>
+#include <cyassl/ctaocrypt/random.h>
+#include <cyassl/ctaocrypt/des3.h>
+#include <cyassl/ctaocrypt/hc128.h>
+#include <cyassl/ctaocrypt/rabbit.h>
+#include <cyassl/ctaocrypt/asn.h>
+#include <cyassl/ctaocrypt/md5.h>
+#include <cyassl/ctaocrypt/sha.h>
+#include <cyassl/ctaocrypt/aes.h>
+#include <cyassl/ctaocrypt/camellia.h>
+#include <cyassl/ctaocrypt/logging.h>
+#include <cyassl/ctaocrypt/hmac.h>
+#ifndef NO_RC4
+    #include <cyassl/ctaocrypt/arc4.h>
+#endif
+#ifdef HAVE_ECC
+    #include <cyassl/ctaocrypt/ecc.h>
+#endif
+#ifndef NO_SHA256
+    #include <cyassl/ctaocrypt/sha256.h>
+#endif
+#ifdef HAVE_OCSP
+    #include <cyassl/ocsp.h>
+#endif
+#ifdef CYASSL_SHA512
+    #include <cyassl/ctaocrypt/sha512.h>
+#endif
+
+#ifdef HAVE_AESGCM
+    #include <cyassl/ctaocrypt/sha512.h>
+#endif
+
+#ifdef CYASSL_RIPEMD
+    #include <cyassl/ctaocrypt/ripemd.h>
+#endif
+
+#ifdef CYASSL_CALLBACKS
+    #include <cyassl/callbacks.h>
+    #include <signal.h>
+#endif
+
+#ifdef USE_WINDOWS_API 
+    #ifdef CYASSL_GAME_BUILD
+        #include "system/xtl.h"
+    #else
+        #if defined(_WIN32_WCE) || defined(WIN32_LEAN_AND_MEAN)
+            /* On WinCE winsock2.h must be included before windows.h */
+            #include <winsock2.h>
+        #endif
+        #include <windows.h>
+    #endif
+#elif defined(THREADX)
+    #ifndef SINGLE_THREADED
+        #include "tx_api.h"
+    #endif
+#elif defined(MICRIUM)
+    /* do nothing, just don't pick Unix */
+#elif defined(FREERTOS) || defined(CYASSL_SAFERTOS)
+    /* do nothing */
+#elif defined(EBSNET)
+    /* do nothing */
+#elif defined(FREESCALE_MQX)
+    /* do nothing */
+#elif defined(CYASSL_MDK_ARM)
+    #if defined(CYASSL_MDK5)
+         #include "cmsis_os.h"
+    #else
+        #include <rtl.h>
+    #endif
+#elif defined(MBED)
+
+#else
+    #ifndef SINGLE_THREADED
+        #define CYASSL_PTHREADS
+        #include <pthread.h>
+    #endif
+    #if defined(OPENSSL_EXTRA) || defined(GOAHEAD_WS)
+        #include <unistd.h>      /* for close of BIO */
+    #endif
+#endif
+
+
+#ifdef HAVE_LIBZ
+    #include "zlib.h"
+#endif
+
+#ifdef _MSC_VER
+    /* 4996 warning to use MS extensions e.g., strcpy_s instead of strncpy */
+    #pragma warning(disable: 4996)
+#endif
+
+#ifdef NO_AES
+    #if !defined (ALIGN16)
+        #define ALIGN16
+    #endif
+#endif
+
+#ifdef NO_SHA
+    #define SHA_DIGEST_SIZE 20 
+#endif
+
+#ifdef NO_SHA256
+    #define SHA256_DIGEST_SIZE 32 
+#endif
+
+
+#ifdef __cplusplus
+    extern "C" {
+#endif
+
+
+#ifdef USE_WINDOWS_API 
+    typedef unsigned int SOCKET_T;
+#else
+    typedef int SOCKET_T;
+#endif
+
+
+typedef byte word24[3];
+
+/* used by ssl.c and cyassl_int.c */
+void c32to24(word32 in, word24 out);
+
+/* Define or comment out the cipher suites you'd like to be compiled in
+   make sure to use at least one BUILD_SSL_xxx or BUILD_TLS_xxx is defined
+
+   When adding cipher suites, add name to cipher_names, idx to cipher_name_idx
+*/
+#if !defined(NO_RSA) && !defined(NO_RC4)
+  #if !defined(NO_SHA)
+    #define BUILD_SSL_RSA_WITH_RC4_128_SHA
+  #endif
+    #if !defined(NO_MD5)
+        #define BUILD_SSL_RSA_WITH_RC4_128_MD5
+    #endif
+    #if !defined(NO_TLS) && defined(HAVE_NTRU) && !defined(NO_SHA)
+        #define BUILD_TLS_NTRU_RSA_WITH_RC4_128_SHA
+    #endif
+#endif
+
+#if !defined(NO_RSA) && !defined(NO_DES3)
+  #if !defined(NO_SHA)
+    #define BUILD_SSL_RSA_WITH_3DES_EDE_CBC_SHA
+    #if !defined(NO_TLS) && defined(HAVE_NTRU)
+        #define BUILD_TLS_NTRU_RSA_WITH_3DES_EDE_CBC_SHA
+    #endif
+  #endif
+#endif
+
+#if !defined(NO_RSA) && !defined(NO_AES) && !defined(NO_TLS)
+  #if !defined(NO_SHA)
+    #define BUILD_TLS_RSA_WITH_AES_128_CBC_SHA
+    #define BUILD_TLS_RSA_WITH_AES_256_CBC_SHA
+    #if defined(HAVE_NTRU)
+        #define BUILD_TLS_NTRU_RSA_WITH_AES_128_CBC_SHA
+        #define BUILD_TLS_NTRU_RSA_WITH_AES_256_CBC_SHA
+    #endif
+  #endif
+    #if !defined (NO_SHA256)
+        #define BUILD_TLS_RSA_WITH_AES_128_CBC_SHA256
+        #define BUILD_TLS_RSA_WITH_AES_256_CBC_SHA256
+    #endif
+    #if defined (HAVE_AESGCM)
+        #define BUILD_TLS_RSA_WITH_AES_128_GCM_SHA256
+        #if defined (CYASSL_SHA384)
+            #define BUILD_TLS_RSA_WITH_AES_256_GCM_SHA384
+        #endif
+    #endif
+    #if defined (HAVE_AESCCM)
+        #define BUILD_TLS_RSA_WITH_AES_128_CCM_8
+        #define BUILD_TLS_RSA_WITH_AES_256_CCM_8
+    #endif
+    #if defined(HAVE_BLAKE2)
+        #define BUILD_TLS_RSA_WITH_AES_128_CBC_B2B256
+        #define BUILD_TLS_RSA_WITH_AES_256_CBC_B2B256
+    #endif
+#endif
+
+#if defined(HAVE_CAMELLIA) && !defined(NO_TLS)
+    #ifndef NO_RSA
+      #if !defined(NO_SHA)
+        #define BUILD_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA
+        #define BUILD_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA
+      #endif
+        #ifndef NO_SHA256
+            #define BUILD_TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256
+            #define BUILD_TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256
+        #endif
+        #if !defined(NO_DH) && defined(OPENSSL_EXTRA)
+          #if !defined(NO_SHA)
+            #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA
+            #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA
+          #endif
+            #ifndef NO_SHA256
+                #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256
+                #define BUILD_TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256
+            #endif
+        #endif
+    #endif
+#endif
+
+#if !defined(NO_PSK) && !defined(NO_AES) && !defined(NO_TLS)
+  #if !defined(NO_SHA)
+    #define BUILD_TLS_PSK_WITH_AES_128_CBC_SHA
+    #define BUILD_TLS_PSK_WITH_AES_256_CBC_SHA
+  #endif
+    #ifndef NO_SHA256
+        #define BUILD_TLS_PSK_WITH_AES_128_CBC_SHA256
+        #ifdef HAVE_AESCCM
+            #define BUILD_TLS_PSK_WITH_AES_128_CCM_8
+            #define BUILD_TLS_PSK_WITH_AES_256_CCM_8
+        #endif
+    #endif
+#endif
+
+#if !defined(NO_TLS) && defined(HAVE_NULL_CIPHER)
+    #if !defined(NO_RSA)
+      #if !defined(NO_SHA)
+        #define BUILD_TLS_RSA_WITH_NULL_SHA
+      #endif
+      #ifndef NO_SHA256
+        #define BUILD_TLS_RSA_WITH_NULL_SHA256
+      #endif
+    #endif
+    #if !defined(NO_PSK)
+      #if !defined(NO_SHA)
+        #define BUILD_TLS_PSK_WITH_NULL_SHA
+      #endif
+        #ifndef NO_SHA256
+            #define BUILD_TLS_PSK_WITH_NULL_SHA256
+        #endif
+    #endif
+#endif
+
+#if !defined(NO_HC128) && !defined(NO_RSA) && !defined(NO_TLS)
+    #define BUILD_TLS_RSA_WITH_HC_128_MD5
+  #if !defined(NO_SHA)
+    #define BUILD_TLS_RSA_WITH_HC_128_SHA
+  #endif
+  #if defined(HAVE_BLAKE2)
+    #define BUILD_TLS_RSA_WITH_HC_128_B2B256
+  #endif
+#endif
+
+#if !defined(NO_RABBIT) && !defined(NO_TLS) && !defined(NO_RSA)
+  #if !defined(NO_SHA)
+    #define BUILD_TLS_RSA_WITH_RABBIT_SHA
+  #endif
+#endif
+
+#if !defined(NO_DH) && !defined(NO_AES) && !defined(NO_TLS) && \
+    !defined(NO_RSA) && defined(OPENSSL_EXTRA)
+  #if !defined(NO_SHA)
+    #define BUILD_TLS_DHE_RSA_WITH_AES_128_CBC_SHA
+    #define BUILD_TLS_DHE_RSA_WITH_AES_256_CBC_SHA
+  #endif
+    #if !defined (NO_SHA256)
+        #define BUILD_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+        #define BUILD_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
+        #if defined (HAVE_AESGCM)
+            #define BUILD_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
+            #if defined (CYASSL_SHA384)
+                #define BUILD_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
+            #endif
+        #endif
+    #endif
+#endif
+
+#if defined(HAVE_ECC) && !defined(NO_TLS)
+    #if !defined(NO_AES)
+        #if !defined(NO_SHA)
+            #if !defined(NO_RSA)
+                #define BUILD_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
+                #define BUILD_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
+                #define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
+                #define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
+            #endif
+    
+            #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
+            #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
+    
+            #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
+            #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
+        #endif /* NO_SHA */
+        #ifndef NO_SHA256
+            #if !defined(NO_RSA)
+                #define BUILD_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
+                #define BUILD_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
+            #endif
+            #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
+            #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
+        #endif
+
+        #ifdef CYASSL_SHA384
+            #if !defined(NO_RSA)
+                #define BUILD_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
+                #define BUILD_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
+            #endif
+            #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
+            #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
+        #endif
+
+        #if defined (HAVE_AESGCM)
+            #if !defined(NO_RSA)
+                #define BUILD_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
+                #define BUILD_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
+                #if defined(CYASSL_SHA384)
+                    #define BUILD_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
+                    #define BUILD_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
+                #endif
+            #endif
+
+            #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
+            #define BUILD_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
+            
+            #if defined(CYASSL_SHA384)
+                #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
+                #define BUILD_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
+            #endif
+        #endif
+        #if defined (HAVE_AESCCM)
+            #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8
+            #define BUILD_TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8
+        #endif
+    #endif /* NO_AES */
+    #if !defined(NO_RC4)
+        #if !defined(NO_SHA)
+            #if !defined(NO_RSA)
+                #define BUILD_TLS_ECDHE_RSA_WITH_RC4_128_SHA
+                #define BUILD_TLS_ECDH_RSA_WITH_RC4_128_SHA
+            #endif
+
+            #define BUILD_TLS_ECDHE_ECDSA_WITH_RC4_128_SHA
+            #define BUILD_TLS_ECDH_ECDSA_WITH_RC4_128_SHA
+        #endif
+    #endif
+    #if !defined(NO_DES3)
+        #if !defined(NO_RSA)
+            #define BUILD_TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA
+            #define BUILD_TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA
+        #endif
+
+        #define BUILD_TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA
+        #define BUILD_TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA
+    #endif
+#endif
+
+
+#if defined(BUILD_SSL_RSA_WITH_RC4_128_SHA) || \
+    defined(BUILD_SSL_RSA_WITH_RC4_128_MD5)
+    #define BUILD_ARC4
+#endif
+
+#if defined(BUILD_SSL_RSA_WITH_3DES_EDE_CBC_SHA)
+    #define BUILD_DES3
+#endif
+
+#if defined(BUILD_TLS_RSA_WITH_AES_128_CBC_SHA) || \
+    defined(BUILD_TLS_RSA_WITH_AES_256_CBC_SHA) || \
+    defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256)
+    #undef  BUILD_AES
+    #define BUILD_AES
+#endif
+
+#if defined(BUILD_TLS_RSA_WITH_AES_128_GCM_SHA256) || \
+    defined(BUILD_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256)
+    #define BUILD_AESGCM
+#endif
+
+#if defined(BUILD_TLS_RSA_WITH_HC_128_SHA) || \
+    defined(BUILD_TLS_RSA_WITH_HC_128_MD5) || \
+    defined(BUILD_TLS_RSA_WITH_HC_128_B2B256)
+    #define BUILD_HC128
+#endif
+
+#if defined(BUILD_TLS_RSA_WITH_RABBIT_SHA)
+    #define BUILD_RABBIT
+#endif
+
+#ifdef NO_DES3
+    #define DES_BLOCK_SIZE 8
+#else
+    #undef  BUILD_DES3
+    #define BUILD_DES3
+#endif
+
+#ifdef NO_AES
+    #define AES_BLOCK_SIZE 16
+#else
+    #undef  BUILD_AES
+    #define BUILD_AES
+#endif
+
+#ifndef NO_RC4
+    #undef  BUILD_ARC4
+    #define BUILD_ARC4
+#endif
+
+
+
+#if defined(BUILD_AESGCM) || defined(HAVE_AESCCM)
+    #define HAVE_AEAD
+#endif
+
+
+/* actual cipher values, 2nd byte */
+enum {
+    TLS_DHE_RSA_WITH_AES_256_CBC_SHA  = 0x39,
+    TLS_DHE_RSA_WITH_AES_128_CBC_SHA  = 0x33,
+    TLS_RSA_WITH_AES_256_CBC_SHA      = 0x35,
+    TLS_RSA_WITH_AES_128_CBC_SHA      = 0x2F,
+    TLS_RSA_WITH_NULL_SHA             = 0x02,
+    TLS_PSK_WITH_AES_256_CBC_SHA      = 0x8d,
+    TLS_PSK_WITH_AES_128_CBC_SHA256   = 0xae,
+    TLS_PSK_WITH_AES_128_CBC_SHA      = 0x8c,
+    TLS_PSK_WITH_NULL_SHA256          = 0xb0,
+    TLS_PSK_WITH_NULL_SHA             = 0x2c,
+    SSL_RSA_WITH_RC4_128_SHA          = 0x05,
+    SSL_RSA_WITH_RC4_128_MD5          = 0x04,
+    SSL_RSA_WITH_3DES_EDE_CBC_SHA     = 0x0A,
+
+    /* ECC suites, first byte is 0xC0 (ECC_BYTE) */
+    TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA    = 0x14,
+    TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA    = 0x13,
+    TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA  = 0x0A,
+    TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA  = 0x09,
+    TLS_ECDHE_RSA_WITH_RC4_128_SHA        = 0x11,
+    TLS_ECDHE_ECDSA_WITH_RC4_128_SHA      = 0x07,
+    TLS_ECDHE_RSA_WITH_3DES_EDE_CBC_SHA   = 0x12,
+    TLS_ECDHE_ECDSA_WITH_3DES_EDE_CBC_SHA = 0x08,
+    TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256   = 0x27,
+    TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 = 0x23,
+    TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384   = 0x28,
+    TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 = 0x24,
+
+    /* static ECDH, first byte is 0xC0 (ECC_BYTE) */
+    TLS_ECDH_RSA_WITH_AES_256_CBC_SHA    = 0x0F,
+    TLS_ECDH_RSA_WITH_AES_128_CBC_SHA    = 0x0E,
+    TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA  = 0x05,
+    TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA  = 0x04,
+    TLS_ECDH_RSA_WITH_RC4_128_SHA        = 0x0C,
+    TLS_ECDH_ECDSA_WITH_RC4_128_SHA      = 0x02,
+    TLS_ECDH_RSA_WITH_3DES_EDE_CBC_SHA   = 0x0D,
+    TLS_ECDH_ECDSA_WITH_3DES_EDE_CBC_SHA = 0x03,
+    TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256   = 0x29,
+    TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 = 0x25,
+    TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384   = 0x2A,
+    TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 = 0x26,
+
+    /* CyaSSL extension - eSTREAM */
+    TLS_RSA_WITH_HC_128_MD5       = 0xFB,
+    TLS_RSA_WITH_HC_128_SHA       = 0xFC,
+    TLS_RSA_WITH_RABBIT_SHA       = 0xFD,
+
+    /* CyaSSL extension - Blake2b 256 */
+    TLS_RSA_WITH_AES_128_CBC_B2B256   = 0xF8,
+    TLS_RSA_WITH_AES_256_CBC_B2B256   = 0xF9,
+    TLS_RSA_WITH_HC_128_B2B256        = 0xFA,   /* eSTREAM too */
+
+    /* CyaSSL extension - NTRU */
+    TLS_NTRU_RSA_WITH_RC4_128_SHA      = 0xe5,
+    TLS_NTRU_RSA_WITH_3DES_EDE_CBC_SHA = 0xe6,
+    TLS_NTRU_RSA_WITH_AES_128_CBC_SHA  = 0xe7,  /* clases w/ official SHA-256 */
+    TLS_NTRU_RSA_WITH_AES_256_CBC_SHA  = 0xe8,
+
+    /* SHA256 */
+    TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 = 0x6b,
+    TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 = 0x67,
+    TLS_RSA_WITH_AES_256_CBC_SHA256     = 0x3d,
+    TLS_RSA_WITH_AES_128_CBC_SHA256     = 0x3c,
+    TLS_RSA_WITH_NULL_SHA256            = 0x3b,
+
+    /* AES-GCM */
+    TLS_RSA_WITH_AES_128_GCM_SHA256          = 0x9c,
+    TLS_RSA_WITH_AES_256_GCM_SHA384          = 0x9d,
+    TLS_DHE_RSA_WITH_AES_128_GCM_SHA256      = 0x9e,
+    TLS_DHE_RSA_WITH_AES_256_GCM_SHA384      = 0x9f,
+
+    /* ECC AES-GCM, first byte is 0xC0 (ECC_BYTE) */
+    TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256  = 0x2b,
+    TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384  = 0x2c,
+    TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256   = 0x2d,
+    TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384   = 0x2e,
+    TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256    = 0x2f,
+    TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384    = 0x30,
+    TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256     = 0x31,
+    TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384     = 0x32,
+
+    /* AES-CCM, first byte is 0xC0 but isn't ECC,
+     * also, in some of the other AES-CCM suites
+     * there will be second byte number conflicts
+     * with non-ECC AES-GCM */
+    TLS_RSA_WITH_AES_128_CCM_8         = 0xa0,
+    TLS_RSA_WITH_AES_256_CCM_8         = 0xa1,
+    TLS_ECDHE_ECDSA_WITH_AES_128_CCM_8 = 0xae,
+    TLS_ECDHE_ECDSA_WITH_AES_256_CCM_8 = 0xaf,
+    TLS_PSK_WITH_AES_128_CCM           = 0xa4,
+    TLS_PSK_WITH_AES_256_CCM           = 0xa5,
+    TLS_PSK_WITH_AES_128_CCM_8         = 0xa8,
+    TLS_PSK_WITH_AES_256_CCM_8         = 0xa9,
+
+    TLS_RSA_WITH_CAMELLIA_128_CBC_SHA        = 0x41,
+    TLS_RSA_WITH_CAMELLIA_256_CBC_SHA        = 0x84,
+    TLS_RSA_WITH_CAMELLIA_128_CBC_SHA256     = 0xba,
+    TLS_RSA_WITH_CAMELLIA_256_CBC_SHA256     = 0xc0,
+    TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA    = 0x45,
+    TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA    = 0x88,
+    TLS_DHE_RSA_WITH_CAMELLIA_128_CBC_SHA256 = 0xbe,
+    TLS_DHE_RSA_WITH_CAMELLIA_256_CBC_SHA256 = 0xc4,
+
+    /* Renegotiation Indication Extension Special Suite */
+    TLS_EMPTY_RENEGOTIATION_INFO_SCSV        = 0xff
+};
+
+
+enum Misc {
+    ECC_BYTE =  0xC0,           /* ECC first cipher suite byte */
+
+    SEND_CERT       = 1,
+    SEND_BLANK_CERT = 2,
+
+    DTLS_MAJOR      = 0xfe,     /* DTLS major version number */
+    DTLS_MINOR      = 0xff,     /* DTLS minor version number */
+    DTLSv1_2_MINOR  = 0xfd,     /* DTLS minor version number */
+    SSLv3_MAJOR     = 3,        /* SSLv3 and TLSv1+  major version number */
+    SSLv3_MINOR     = 0,        /* TLSv1   minor version number */
+    TLSv1_MINOR     = 1,        /* TLSv1   minor version number */
+    TLSv1_1_MINOR   = 2,        /* TLSv1_1 minor version number */
+    TLSv1_2_MINOR   = 3,        /* TLSv1_2 minor version number */
+    INVALID_BYTE    = 0xff,     /* Used to initialize cipher specs values */
+    NO_COMPRESSION  =  0,
+    ZLIB_COMPRESSION = 221,     /* CyaSSL zlib compression */
+    HELLO_EXT_SIG_ALGO = 13,    /* ID for the sig_algo hello extension */
+    SECRET_LEN      = 48,       /* pre RSA and all master */
+    ENCRYPT_LEN     = 512,      /* allow 4096 bit static buffer */
+    SIZEOF_SENDER   =  4,       /* clnt or srvr           */
+    FINISHED_SZ     = 36,       /* MD5_DIGEST_SIZE + SHA_DIGEST_SIZE */
+    MAX_RECORD_SIZE = 16384,    /* 2^14, max size by standard */
+    MAX_MSG_EXTRA   = 38 + MAX_DIGEST_SIZE,
+                                /* max added to msg, mac + pad  from */
+                                /* RECORD_HEADER_SZ + BLOCK_SZ (pad) + Max
+                                   digest sz + BLOC_SZ (iv) + pad byte (1) */
+    MAX_COMP_EXTRA  = 1024,     /* max compression extra */
+    MAX_MTU         = 1500,     /* max expected MTU */
+    MAX_UDP_SIZE    = 8192 - 100, /* was MAX_MTU - 100 */
+    MAX_DH_SZ       = 612,      /* 2240 p, pub, g + 2 byte size for each */
+    MAX_STR_VERSION = 8,        /* string rep of protocol version */
+
+    PAD_MD5        = 48,       /* pad length for finished */
+    PAD_SHA        = 40,       /* pad length for finished */
+    MAX_PAD_SIZE   = 256,      /* maximum length of padding */
+    COMPRESS_DUMMY_SIZE = 64,  /* compression dummy round size */
+    COMPRESS_CONSTANT   = 13,  /* compression calc constant */
+    COMPRESS_UPPER      = 55,  /* compression calc numerator */
+    COMPRESS_LOWER      = 64,  /* compression calc denominator */
+
+    PEM_LINE_LEN   = 80,       /* PEM line max + fudge */
+    LENGTH_SZ      =  2,       /* length field for HMAC, data only */
+    VERSION_SZ     =  2,       /* length of proctocol version */
+    SEQ_SZ         =  8,       /* 64 bit sequence number  */
+    BYTE3_LEN      =  3,       /* up to 24 bit byte lengths */
+    ALERT_SIZE     =  2,       /* level + description     */
+    VERIFY_HEADER  =  2,       /* always use 2 bytes      */
+    EXT_ID_SZ      =  2,       /* always use 2 bytes      */
+    MAX_DH_SIZE    = 513,      /* 4096 bit plus possible leading 0 */
+
+    MAX_SUITE_SZ = 200,        /* 100 suites for now! */
+    RAN_LEN      = 32,         /* random length           */
+    SEED_LEN     = RAN_LEN * 2, /* tls prf seed length    */
+    ID_LEN       = 32,         /* session id length       */
+    MAX_COOKIE_LEN = 32,       /* max dtls cookie size    */
+    COOKIE_SZ    = 20,         /* use a 20 byte cookie    */
+    SUITE_LEN    =  2,         /* cipher suite sz length  */
+    ENUM_LEN     =  1,         /* always a byte           */
+    OPAQUE8_LEN  =  1,         /* 1 byte                  */
+    OPAQUE16_LEN =  2,         /* 2 bytes                 */
+    OPAQUE24_LEN =  3,         /* 3 bytes                 */
+    COMP_LEN     =  1,         /* compression length      */
+    CURVE_LEN    =  2,         /* ecc named curve length  */
+    SERVER_ID_LEN = 20,        /* server session id length  */
+    
+    HANDSHAKE_HEADER_SZ   = 4,  /* type + length(3)        */
+    RECORD_HEADER_SZ      = 5,  /* type + version + len(2) */
+    CERT_HEADER_SZ        = 3,  /* always 3 bytes          */
+    REQ_HEADER_SZ         = 2,  /* cert request header sz  */
+    HINT_LEN_SZ           = 2,  /* length of hint size field */
+    TRUNCATED_HMAC_SZ     = 10, /* length of hmac w/ truncated hmac extension */
+    HELLO_EXT_TYPE_SZ     = 2,  /* length of a hello extension type */
+    HELLO_EXT_SZ          = 8,  /* total length of the lazy hello extensions */
+    HELLO_EXT_LEN         = 6,  /* length of the lazy hello extensions */
+    HELLO_EXT_SIGALGO_SZ  = 2,  /* length of signature algo extension  */
+    HELLO_EXT_SIGALGO_MAX = 32, /* number of items in the signature algo list */
+
+    DTLS_HANDSHAKE_HEADER_SZ = 12, /* normal + seq(2) + offset(3) + length(3) */
+    DTLS_RECORD_HEADER_SZ    = 13, /* normal + epoch(2) + seq_num(6) */
+    DTLS_HANDSHAKE_EXTRA     = 8,  /* diff from normal */
+    DTLS_RECORD_EXTRA        = 8,  /* diff from normal */
+    DTLS_HANDSHAKE_SEQ_SZ    = 2,  /* handshake header sequence number */
+    DTLS_HANDSHAKE_FRAG_SZ   = 3,  /* fragment offset and length are 24 bit */
+    DTLS_POOL_SZ             = 5,  /* buffers to hold in the retry pool */
+
+    FINISHED_LABEL_SZ   = 15,  /* TLS finished label size */
+    TLS_FINISHED_SZ     = 12,  /* TLS has a shorter size  */
+    MASTER_LABEL_SZ     = 13,  /* TLS master secret label sz */
+    KEY_LABEL_SZ        = 13,  /* TLS key block expansion sz */
+    MAX_PRF_HALF        = 128, /* Maximum half secret len */
+    MAX_PRF_LABSEED     = 128, /* Maximum label + seed len */
+    MAX_PRF_DIG         = 224, /* Maximum digest len      */
+    MAX_REQUEST_SZ      = 256, /* Maximum cert req len (no auth yet */
+    SESSION_FLUSH_COUNT = 256, /* Flush session cache unless user turns off */ 
+
+    RC4_KEY_SIZE        = 16,  /* always 128bit           */
+    DES_KEY_SIZE        =  8,  /* des                     */
+    DES3_KEY_SIZE       = 24,  /* 3 des ede               */
+    DES_IV_SIZE         = DES_BLOCK_SIZE,
+    AES_256_KEY_SIZE    = 32,  /* for 256 bit             */
+    AES_192_KEY_SIZE    = 24,  /* for 192 bit             */
+    AES_IV_SIZE         = 16,  /* always block size       */
+    AES_128_KEY_SIZE    = 16,  /* for 128 bit             */
+
+    AEAD_SEQ_OFFSET     = 4,        /* Auth Data: Sequence number */
+    AEAD_TYPE_OFFSET    = 8,        /* Auth Data: Type            */
+    AEAD_VMAJ_OFFSET    = 9,        /* Auth Data: Major Version   */
+    AEAD_VMIN_OFFSET    = 10,       /* Auth Data: Minor Version   */
+    AEAD_LEN_OFFSET     = 11,       /* Auth Data: Length          */
+    AEAD_AUTH_DATA_SZ   = 13,       /* Size of the data to authenticate */
+    AEAD_IMP_IV_SZ      = 4,        /* Size of the implicit IV     */
+    AEAD_EXP_IV_SZ      = 8,        /* Size of the explicit IV     */
+    AEAD_NONCE_SZ       = AEAD_EXP_IV_SZ + AEAD_IMP_IV_SZ,
+
+    AES_GCM_AUTH_SZ     = 16, /* AES-GCM Auth Tag length    */
+    AES_CCM_16_AUTH_SZ  = 16, /* AES-CCM-16 Auth Tag length */
+    AES_CCM_8_AUTH_SZ   = 8,  /* AES-CCM-8 Auth Tag Length  */
+
+    CAMELLIA_128_KEY_SIZE = 16, /* for 128 bit */
+    CAMELLIA_192_KEY_SIZE = 24, /* for 192 bit */
+    CAMELLIA_256_KEY_SIZE = 32, /* for 256 bit */
+    CAMELLIA_IV_SIZE      = 16, /* always block size */
+
+    HC_128_KEY_SIZE     = 16,  /* 128 bits                */
+    HC_128_IV_SIZE      = 16,  /* also 128 bits           */
+
+    RABBIT_KEY_SIZE     = 16,  /* 128 bits                */
+    RABBIT_IV_SIZE      =  8,  /* 64 bits for iv          */
+
+    EVP_SALT_SIZE       =  8,  /* evp salt size 64 bits   */
+
+    ECDHE_SIZE          = 32,  /* ECHDE server size defaults to 256 bit */
+    MAX_EXPORT_ECC_SZ   = 256, /* Export ANS X9.62 max future size */
+
+    MAX_HELLO_SZ       = 128,  /* max client or server hello */
+    MAX_CERT_VERIFY_SZ = 1024, /* max   */
+    CLIENT_HELLO_FIRST =  35,  /* Protocol + RAN_LEN + sizeof(id_len) */
+    MAX_SUITE_NAME     =  48,  /* maximum length of cipher suite string */
+    DEFAULT_TIMEOUT    = 500,  /* default resumption timeout in seconds */
+
+    DTLS_TIMEOUT_INIT       =  1, /* default timeout init for DTLS receive  */
+    DTLS_TIMEOUT_MAX        = 64, /* default max timeout for DTLS receive */
+    DTLS_TIMEOUT_MULTIPLIER =  2, /* default timeout multiplier for DTLS recv */
+
+    MAX_PSK_ID_LEN     = 128,  /* max psk identity/hint supported */
+    MAX_PSK_KEY_LEN    =  64,  /* max psk key supported */
+
+    MAX_CYASSL_FILE_SIZE = 1024 * 1024 * 4,  /* 4 mb file size alloc limit */
+
+#ifdef FORTRESS
+    MAX_EX_DATA        =   3,  /* allow for three items of ex_data */
+#endif
+
+    MAX_X509_SIZE      = 2048, /* max static x509 buffer size */
+    CERT_MIN_SIZE      =  256, /* min PEM cert size with header/footer */
+    MAX_FILENAME_SZ    =  256, /* max file name length */
+    FILE_BUFFER_SIZE   = 1024, /* default static file buffer size for input,
+                                  will use dynamic buffer if not big enough */
+
+    MAX_NTRU_PUB_KEY_SZ = 1027, /* NTRU max for now */
+    MAX_NTRU_ENCRYPT_SZ = 1027, /* NTRU max for now */
+    MAX_NTRU_BITS       =  256, /* max symmetric bit strength */
+    NO_SNIFF           =   0,  /* not sniffing */
+    SNIFF              =   1,  /* currently sniffing */
+
+    HASH_SIG_SIZE      =   2,  /* default SHA1 RSA */
+
+    NO_CAVIUM_DEVICE   =  -2,  /* invalid cavium device id */
+
+    NO_COPY            =   0,  /* should we copy static buffer for write */
+    COPY               =   1   /* should we copy static buffer for write */
+};
+
+
+#ifdef SESSION_INDEX
+/* Shift values for making a session index */
+#define SESSIDX_ROW_SHIFT 4
+#define SESSIDX_IDX_MASK  0x0F
+#endif
+
+
+/* max cert chain peer depth */
+#ifndef MAX_CHAIN_DEPTH
+    #define MAX_CHAIN_DEPTH 9
+#endif
+
+
+/* don't use extra 3/4k stack space unless need to */
+#ifdef HAVE_NTRU
+    #define MAX_ENCRYPT_SZ MAX_NTRU_ENCRYPT_SZ
+#else
+    #define MAX_ENCRYPT_SZ ENCRYPT_LEN
+#endif
+
+
+/* states */
+enum states {
+    NULL_STATE = 0,
+
+    SERVER_HELLOVERIFYREQUEST_COMPLETE,
+    SERVER_HELLO_COMPLETE,
+    SERVER_CERT_COMPLETE,
+    SERVER_KEYEXCHANGE_COMPLETE,
+    SERVER_HELLODONE_COMPLETE,
+    SERVER_FINISHED_COMPLETE,
+
+    CLIENT_HELLO_COMPLETE,
+    CLIENT_KEYEXCHANGE_COMPLETE,
+    CLIENT_FINISHED_COMPLETE,
+
+    HANDSHAKE_DONE
+};
+
+
+#if defined(__GNUC__)
+    #define CYASSL_PACK __attribute__ ((packed))
+#else
+    #define CYASSL_PACK
+#endif
+
+/* SSL Version */
+typedef struct ProtocolVersion {
+    byte major;
+    byte minor;
+} CYASSL_PACK ProtocolVersion;
+
+
+CYASSL_LOCAL ProtocolVersion MakeSSLv3(void);
+CYASSL_LOCAL ProtocolVersion MakeTLSv1(void);
+CYASSL_LOCAL ProtocolVersion MakeTLSv1_1(void);
+CYASSL_LOCAL ProtocolVersion MakeTLSv1_2(void);
+
+#ifdef CYASSL_DTLS
+    CYASSL_LOCAL ProtocolVersion MakeDTLSv1(void);
+    CYASSL_LOCAL ProtocolVersion MakeDTLSv1_2(void);
+#endif
+
+
+enum BIO_TYPE {
+    BIO_BUFFER = 1,
+    BIO_SOCKET = 2,
+    BIO_SSL    = 3,
+    BIO_MEMORY = 4
+};
+
+
+/* CyaSSL BIO_METHOD type */
+struct CYASSL_BIO_METHOD {
+    byte type;               /* method type */
+};
+
+
+/* CyaSSL BIO type */
+struct CYASSL_BIO {
+    byte        type;          /* method type */
+    byte        close;         /* close flag */
+    byte        eof;           /* eof flag */
+    CYASSL*     ssl;           /* possible associated ssl */
+    byte*       mem;           /* memory buffer */
+    int         memLen;        /* memory buffer length */
+    int         fd;            /* possible file descriptor */
+    CYASSL_BIO* prev;          /* previous in chain */
+    CYASSL_BIO* next;          /* next in chain */
+};
+
+
+/* CyaSSL method type */
+struct CYASSL_METHOD {
+    ProtocolVersion version;
+    byte            side;         /* connection side, server or client */
+    byte            downgrade;    /* whether to downgrade version, default no */
+};
+
+
+/* defautls to client */
+CYASSL_LOCAL void InitSSL_Method(CYASSL_METHOD*, ProtocolVersion);
+
+/* for sniffer */
+CYASSL_LOCAL int DoFinished(CYASSL* ssl, const byte* input, word32* inOutIdx,
+                            word32 size, word32 totalSz, int sniff);
+CYASSL_LOCAL int DoApplicationData(CYASSL* ssl, byte* input, word32* inOutIdx);
+
+
+/* CyaSSL buffer type */
+typedef struct buffer {
+    word32 length;
+    byte*  buffer;
+} buffer;
+
+
+enum {
+    FORCED_FREE = 1,
+    NO_FORCED_FREE = 0
+};
+
+
+/* only use compression extra if using compression */
+#ifdef HAVE_LIBZ
+    #define COMP_EXTRA MAX_COMP_EXTRA
+#else
+    #define COMP_EXTRA 0
+#endif
+
+/* only the sniffer needs space in the buffer for extra MTU record(s) */
+#ifdef CYASSL_SNIFFER
+    #define MTU_EXTRA MAX_MTU * 3 
+#else
+    #define MTU_EXTRA 0
+#endif
+
+
+/* embedded callbacks require large static buffers, make sure on */
+#ifdef CYASSL_CALLBACKS
+    #undef  LARGE_STATIC_BUFFERS
+    #define LARGE_STATIC_BUFFERS
+#endif
+
+
+/* give user option to use 16K static buffers */
+#if defined(LARGE_STATIC_BUFFERS)
+    #define RECORD_SIZE MAX_RECORD_SIZE
+#else
+    #ifdef CYASSL_DTLS
+        #define RECORD_SIZE MAX_MTU 
+    #else
+        #define RECORD_SIZE 128 
+    #endif
+#endif
+
+
+/* user option to turn off 16K output option */
+/* if using small static buffers (default) and SSL_write tries to write data
+   larger than the record we have, dynamically get it, unless user says only
+   write in static buffer chuncks  */
+#ifndef STATIC_CHUNKS_ONLY
+    #define OUTPUT_RECORD_SIZE MAX_RECORD_SIZE
+#else
+    #define OUTPUT_RECORD_SIZE RECORD_SIZE
+#endif
+
+/* CyaSSL input buffer
+
+   RFC 2246:
+
+   length
+       The length (in bytes) of the following TLSPlaintext.fragment.
+       The length should not exceed 2^14.
+*/
+#if defined(LARGE_STATIC_BUFFERS)
+    #define STATIC_BUFFER_LEN RECORD_HEADER_SZ + RECORD_SIZE + COMP_EXTRA + \
+             MTU_EXTRA + MAX_MSG_EXTRA
+#else
+    /* don't fragment memory from the record header */
+    #define STATIC_BUFFER_LEN RECORD_HEADER_SZ
+#endif
+
+typedef struct {
+    word32 length;       /* total buffer length used */
+    word32 idx;          /* idx to part of length already consumed */
+    byte*  buffer;       /* place holder for static or dynamic buffer */
+    word32 bufferSize;   /* current buffer size */
+    ALIGN16 byte staticBuffer[STATIC_BUFFER_LEN];
+    byte   dynamicFlag;  /* dynamic memory currently in use */
+    byte   offset;       /* alignment offset attempt */
+} bufferStatic;
+
+/* Cipher Suites holder */
+typedef struct Suites {
+    int    setSuites;               /* user set suites from default */
+    byte   suites[MAX_SUITE_SZ];  
+    word16 suiteSz;                 /* suite length in bytes        */
+    byte   hashSigAlgo[HELLO_EXT_SIGALGO_MAX]; /* sig/algo to offer */
+    word16 hashSigAlgoSz;           /* SigAlgo extension length in bytes */
+    byte   hashAlgo;                /* selected hash algorithm */
+    byte   sigAlgo;                 /* selected sig algorithm */
+} Suites;
+
+
+CYASSL_LOCAL
+void InitSuites(Suites*, ProtocolVersion,
+                                     byte, byte, byte, byte, byte, byte, int);
+CYASSL_LOCAL
+int  SetCipherList(Suites*, const char* list);
+
+#ifndef PSK_TYPES_DEFINED
+    typedef unsigned int (*psk_client_callback)(CYASSL*, const char*, char*,
+                          unsigned int, unsigned char*, unsigned int);
+    typedef unsigned int (*psk_server_callback)(CYASSL*, const char*,
+                          unsigned char*, unsigned int);
+#endif /* PSK_TYPES_DEFINED */
+
+
+#ifndef CYASSL_USER_IO
+    /* default IO callbacks */
+    CYASSL_LOCAL
+    int EmbedReceive(CYASSL *ssl, char *buf, int sz, void *ctx);
+    CYASSL_LOCAL 
+    int EmbedSend(CYASSL *ssl, char *buf, int sz, void *ctx);
+
+    #ifdef HAVE_OCSP
+        CYASSL_LOCAL
+        int EmbedOcspLookup(void*, const char*, int, byte*, int, byte**);
+        CYASSL_LOCAL
+        void EmbedOcspRespFree(void*, byte*);
+    #endif
+
+    #ifdef CYASSL_DTLS
+        CYASSL_LOCAL
+        int EmbedReceiveFrom(CYASSL *ssl, char *buf, int sz, void *ctx);
+        CYASSL_LOCAL 
+        int EmbedSendTo(CYASSL *ssl, char *buf, int sz, void *ctx);
+        CYASSL_LOCAL
+        int EmbedGenerateCookie(CYASSL* ssl, byte *buf, int sz, void *ctx);
+        CYASSL_LOCAL
+        int IsUDP(void*);
+    #endif /* CYASSL_DTLS */
+#endif /* CYASSL_USER_IO */
+
+#ifdef HAVE_NETX
+    CYASSL_LOCAL int NetX_Receive(CYASSL *ssl, char *buf, int sz, void *ctx);
+    CYASSL_LOCAL int NetX_Send(CYASSL *ssl, char *buf, int sz, void *ctx);
+#endif /* HAVE_NETX */
+
+
+/* CyaSSL Cipher type just points back to SSL */
+struct CYASSL_CIPHER {
+    CYASSL* ssl;
+};
+
+
+typedef struct OCSP_Entry OCSP_Entry;
+
+#ifdef SHA_DIGEST_SIZE
+    #define OCSP_DIGEST_SIZE SHA_DIGEST_SIZE
+#else
+    #define OCSP_DIGEST_SIZE 160
+#endif
+
+#ifdef NO_ASN 
+    /* no_asn won't have */
+    typedef struct CertStatus CertStatus;
+#endif
+
+struct OCSP_Entry {
+    OCSP_Entry* next;                        /* next entry             */
+    byte    issuerHash[OCSP_DIGEST_SIZE];    /* issuer hash            */ 
+    byte    issuerKeyHash[OCSP_DIGEST_SIZE]; /* issuer public key hash */
+    CertStatus* status;                      /* OCSP response list     */
+    int         totalStatus;                 /* number on list         */
+};
+
+
+#ifndef HAVE_OCSP
+    typedef struct CYASSL_OCSP CYASSL_OCSP;
+#endif
+
+/* CyaSSL OCSP controller */
+struct CYASSL_OCSP {
+    CYASSL_CERT_MANAGER* cm;            /* pointer back to cert manager */
+    OCSP_Entry*          ocspList;      /* OCSP response list */
+    CyaSSL_Mutex         ocspLock;      /* OCSP list lock */
+};
+
+#ifndef MAX_DATE_SIZE
+#define MAX_DATE_SIZE 32
+#endif
+
+typedef struct CRL_Entry CRL_Entry;
+
+#ifdef SHA_DIGEST_SIZE
+    #define CRL_DIGEST_SIZE SHA_DIGEST_SIZE
+#else
+    #define CRL_DIGEST_SIZE 160
+#endif
+
+#ifdef NO_ASN 
+    typedef struct RevokedCert RevokedCert;
+#endif
+
+/* Complete CRL */
+struct CRL_Entry {
+    CRL_Entry* next;                      /* next entry */
+    byte    issuerHash[CRL_DIGEST_SIZE];  /* issuer hash                 */ 
+    /* byte    crlHash[CRL_DIGEST_SIZE];      raw crl data hash           */ 
+    /* restore the hash here if needed for optimized comparisons */
+    byte    lastDate[MAX_DATE_SIZE]; /* last date updated  */
+    byte    nextDate[MAX_DATE_SIZE]; /* next update date   */
+    byte    lastDateFormat;          /* last date format */
+    byte    nextDateFormat;          /* next date format */
+    RevokedCert* certs;              /* revoked cert list  */
+    int          totalCerts;         /* number on list     */
+};
+
+
+typedef struct CRL_Monitor CRL_Monitor;
+
+/* CRL directory monitor */
+struct CRL_Monitor {
+    char* path;      /* full dir path, if valid pointer we're using */
+    int   type;      /* PEM or ASN1 type */
+};
+
+
+#ifndef HAVE_CRL
+    typedef struct CYASSL_CRL CYASSL_CRL;
+#endif
+
+/* CyaSSL CRL controller */
+struct CYASSL_CRL {
+    CYASSL_CERT_MANAGER* cm;            /* pointer back to cert manager */
+    CRL_Entry*           crlList;       /* our CRL list */
+    CyaSSL_Mutex         crlLock;       /* CRL list lock */
+    CRL_Monitor          monitors[2];   /* PEM and DER possible */
+#ifdef HAVE_CRL_MONITOR
+    pthread_t            tid;           /* monitoring thread */
+#endif
+};
+
+
+#ifdef NO_ASN 
+    typedef struct Signer Signer;
+#endif
+
+
+#ifndef CA_TABLE_SIZE
+    #define CA_TABLE_SIZE 11
+#endif
+
+/* CyaSSL Certificate Manager */
+struct CYASSL_CERT_MANAGER {
+    Signer*         caTable[CA_TABLE_SIZE]; /* the CA signer table */
+    CyaSSL_Mutex    caLock;             /* CA list lock */
+    CallbackCACache caCacheCallback;    /* CA cache addition callback */
+    void*           heap;               /* heap helper */
+    CYASSL_CRL*     crl;                /* CRL checker */
+    byte            crlEnabled;         /* is CRL on ? */
+    byte            crlCheckAll;        /* always leaf, but all ? */
+    CbMissingCRL    cbMissingCRL;       /* notify through cb of missing crl */
+    CYASSL_OCSP*    ocsp;               /* OCSP checker */
+    byte            ocspEnabled;        /* is OCSP on ? */
+    byte            ocspSendNonce;      /* send the OCSP nonce ? */
+    byte            ocspUseOverrideURL; /* ignore cert's responder, override */
+    char*           ocspOverrideURL;    /* use this responder */
+    void*           ocspIOCtx;          /* I/O callback CTX */
+    CbOCSPIO        ocspIOCb;           /* I/O callback for OCSP lookup */
+    CbOCSPRespFree  ocspRespFreeCb;     /* Frees OCSP Response from IO Cb */
+};
+
+CYASSL_LOCAL int CM_SaveCertCache(CYASSL_CERT_MANAGER*, const char*);
+CYASSL_LOCAL int CM_RestoreCertCache(CYASSL_CERT_MANAGER*, const char*);
+CYASSL_LOCAL int CM_MemSaveCertCache(CYASSL_CERT_MANAGER*, void*, int, int*);
+CYASSL_LOCAL int CM_MemRestoreCertCache(CYASSL_CERT_MANAGER*, const void*, int);
+CYASSL_LOCAL int CM_GetCertCacheMemSize(CYASSL_CERT_MANAGER*);
+
+/* CyaSSL Sock Addr */
+struct CYASSL_SOCKADDR {
+    unsigned int sz; /* sockaddr size */
+    void*        sa; /* pointer to the sockaddr_in or sockaddr_in6 */
+};
+
+typedef struct CYASSL_DTLS_CTX {
+    CYASSL_SOCKADDR peer;
+    int fd;
+} CYASSL_DTLS_CTX;
+
+/* RFC 6066 TLS Extensions */
+#ifdef HAVE_TLS_EXTENSIONS
+
+typedef enum {
+    SERVER_NAME_INDICATION =  0,
+    MAX_FRAGMENT_LENGTH    =  1,
+    TRUNCATED_HMAC         =  4,
+    ELLIPTIC_CURVES        = 10
+} TLSX_Type;
+
+typedef struct TLSX {
+    TLSX_Type    type; /* Extension Type  */
+    void*        data; /* Extension Data  */
+    byte         resp; /* IsResponse Flag */
+    struct TLSX* next; /* List Behavior   */
+} TLSX;
+
+CYASSL_LOCAL TLSX* TLSX_Find(TLSX* list, TLSX_Type type);
+CYASSL_LOCAL void TLSX_FreeAll(TLSX* list);
+
+#ifndef NO_CYASSL_CLIENT
+CYASSL_LOCAL word16 TLSX_GetRequestSize(CYASSL* ssl);
+CYASSL_LOCAL word16 TLSX_WriteRequest(CYASSL* ssl, byte* output);
+#endif
+
+#ifndef NO_CYASSL_SERVER
+CYASSL_LOCAL word16 TLSX_GetResponseSize(CYASSL* ssl);
+CYASSL_LOCAL word16 TLSX_WriteResponse(CYASSL* ssl, byte* output);
+#endif
+
+CYASSL_LOCAL int    TLSX_Parse(CYASSL* ssl, byte* input, word16 length,
+                                                byte isRequest, Suites *suites);
+
+/* Server Name Indication */
+#ifdef HAVE_SNI
+
+typedef struct SNI {
+    byte                       type;    /* SNI Type          */
+    union { char* host_name; } data;    /* SNI Data          */
+    struct SNI*                next;    /* List Behavior     */
+#ifndef NO_CYASSL_SERVER
+    byte                       options; /* Behaviour options */
+    byte                       status;  /* Matching result   */
+#endif
+} SNI;
+
+CYASSL_LOCAL int TLSX_UseSNI(TLSX** extensions, byte type, const void* data,
+                                                                   word16 size);
+
+#ifndef NO_CYASSL_SERVER
+CYASSL_LOCAL void   TLSX_SNI_SetOptions(TLSX* extensions, byte type,
+                                                                  byte options);
+CYASSL_LOCAL byte   TLSX_SNI_Status(TLSX* extensions, byte type);
+CYASSL_LOCAL word16 TLSX_SNI_GetRequest(TLSX* extensions, byte type,
+                                                                   void** data);
+CYASSL_LOCAL int    TLSX_SNI_GetFromBuffer(const byte* buffer, word32 bufferSz,
+                                         byte type, byte* sni, word32* inOutSz);
+#endif
+
+#endif /* HAVE_SNI */
+
+/* Maximum Fragment Length */
+#ifdef HAVE_MAX_FRAGMENT
+
+CYASSL_LOCAL int TLSX_UseMaxFragment(TLSX** extensions, byte mfl);
+
+#endif /* HAVE_MAX_FRAGMENT */
+
+#ifdef HAVE_TRUNCATED_HMAC
+
+CYASSL_LOCAL int TLSX_UseTruncatedHMAC(TLSX** extensions);
+
+#endif /* HAVE_TRUNCATED_HMAC */
+
+#ifdef HAVE_SUPPORTED_CURVES
+
+typedef struct EllipticCurve {
+    word16                name; /* CurveNames    */
+    struct EllipticCurve* next; /* List Behavior */
+
+} EllipticCurve;
+
+CYASSL_LOCAL int TLSX_UseSupportedCurve(TLSX** extensions, word16 name);
+
+#ifndef NO_CYASSL_SERVER
+CYASSL_LOCAL int TLSX_ValidateEllipticCurves(CYASSL* ssl, byte first,
+                                                                   byte second);
+#endif
+
+#endif /* HAVE_SUPPORTED_CURVES */
+
+#endif /* HAVE_TLS_EXTENSIONS */
+
+/* CyaSSL context type */
+struct CYASSL_CTX {
+    CYASSL_METHOD* method;
+    CyaSSL_Mutex   countMutex;    /* reference count mutex */
+    int         refCount;         /* reference count */
+#ifndef NO_CERTS
+    buffer      certificate;
+    buffer      certChain;
+                 /* chain after self, in DER, with leading size for each cert */
+    buffer      privateKey;
+    buffer      serverDH_P;
+    buffer      serverDH_G;
+    CYASSL_CERT_MANAGER* cm;      /* our cert manager, ctx owns SSL will use */
+#endif
+    Suites      suites;
+    void*       heap;             /* for user memory overrides */
+    byte        verifyPeer;
+    byte        verifyNone;
+    byte        failNoCert;
+    byte        sessionCacheOff;
+    byte        sessionCacheFlushOff;
+    byte        sendVerify;       /* for client side */
+    byte        haveRSA;          /* RSA available */
+    byte        haveDH;           /* server DH parms set by user */
+    byte        haveNTRU;         /* server private NTRU  key loaded */
+    byte        haveECDSAsig;     /* server cert signed w/ ECDSA */
+    byte        haveStaticECC;    /* static server ECC private key */
+    byte        partialWrite;     /* only one msg per write call */
+    byte        quietShutdown;    /* don't send close notify */
+    byte        groupMessages;    /* group handshake messages before sending */
+    CallbackIORecv CBIORecv;
+    CallbackIOSend CBIOSend;
+#ifdef CYASSL_DTLS
+    CallbackGenCookie CBIOCookie;       /* gen cookie callback */
+#endif
+    VerifyCallback  verifyCallback;     /* cert verification callback */
+    word32          timeout;            /* session timeout */
+#ifdef HAVE_ECC
+    word16          eccTempKeySz;       /* in octets 20 - 66 */
+    word32          pkCurveOID;         /* curve Ecc_Sum */
+#endif
+#ifndef NO_PSK
+    byte        havePSK;                /* psk key set by user */
+    psk_client_callback client_psk_cb;  /* client callback */
+    psk_server_callback server_psk_cb;  /* server callback */
+    char        server_hint[MAX_PSK_ID_LEN];
+#endif /* NO_PSK */
+#if defined(OPENSSL_EXTRA) || defined(HAVE_WEBSERVER)
+    pem_password_cb passwd_cb;
+    void*            userdata;
+#endif /* OPENSSL_EXTRA */
+#ifdef HAVE_OCSP
+    CYASSL_OCSP      ocsp;
+#endif
+#ifdef HAVE_CAVIUM
+    int              devId;            /* cavium device id to use */
+#endif
+#ifdef HAVE_TLS_EXTENSIONS
+    TLSX* extensions;                  /* RFC 6066 TLS Extensions data */
+#endif
+#ifdef ATOMIC_USER
+    CallbackMacEncrypt    MacEncryptCb;    /* Atomic User Mac/Encrypt Cb */
+    CallbackDecryptVerify DecryptVerifyCb; /* Atomic User Decrypt/Verify Cb */
+#endif
+#ifdef HAVE_PK_CALLBACKS
+    #ifdef HAVE_ECC
+        CallbackEccSign   EccSignCb;    /* User EccSign   Callback handler */
+        CallbackEccVerify EccVerifyCb;  /* User EccVerify Callback handler */
+    #endif /* HAVE_ECC */
+    #ifndef NO_RSA 
+        CallbackRsaSign   RsaSignCb;    /* User RsaSign   Callback handler */
+        CallbackRsaVerify RsaVerifyCb;  /* User RsaVerify Callback handler */
+        CallbackRsaEnc    RsaEncCb;     /* User Rsa Public Encrypt  handler */
+        CallbackRsaDec    RsaDecCb;     /* User Rsa Private Decrypt handler */
+    #endif /* NO_RSA */
+#endif /* HAVE_PK_CALLBACKS */
+};
+
+
+CYASSL_LOCAL
+int InitSSL_Ctx(CYASSL_CTX*, CYASSL_METHOD*);
+CYASSL_LOCAL
+void FreeSSL_Ctx(CYASSL_CTX*);
+CYASSL_LOCAL
+void SSL_CtxResourceFree(CYASSL_CTX*);
+
+CYASSL_LOCAL
+int DeriveTlsKeys(CYASSL* ssl);
+CYASSL_LOCAL
+int ProcessOldClientHello(CYASSL* ssl, const byte* input, word32* inOutIdx,
+                          word32 inSz, word16 sz);
+#ifndef NO_CERTS
+    CYASSL_LOCAL
+    int AddCA(CYASSL_CERT_MANAGER* ctx, buffer der, int type, int verify);
+    CYASSL_LOCAL
+    int AlreadySigner(CYASSL_CERT_MANAGER* cm, byte* hash);
+#endif
+
+/* All cipher suite related info */
+typedef struct CipherSpecs {
+    byte bulk_cipher_algorithm;
+    byte cipher_type;               /* block, stream, or aead */
+    byte mac_algorithm;
+    byte kea;                       /* key exchange algo */
+    byte sig_algo;
+    byte hash_size;
+    byte pad_size;
+    byte static_ecdh;
+    word16 key_size;
+    word16 iv_size;
+    word16 block_size;
+    word16 aead_mac_size;
+} CipherSpecs;
+
+
+void InitCipherSpecs(CipherSpecs* cs);
+
+
+/* Supported Message Authentication Codes from page 43 */
+enum MACAlgorithm { 
+    no_mac,
+    md5_mac,
+    sha_mac,
+    sha224_mac,
+    sha256_mac,
+    sha384_mac,
+    sha512_mac,
+    rmd_mac,
+    blake2b_mac
+};
+
+
+/* Supported Key Exchange Protocols */
+enum KeyExchangeAlgorithm { 
+    no_kea,
+    rsa_kea, 
+    diffie_hellman_kea, 
+    fortezza_kea,
+    psk_kea,
+    ntru_kea,
+    ecc_diffie_hellman_kea,
+    ecc_static_diffie_hellman_kea       /* for verify suite only */
+};
+
+
+/* Supported Authentication Schemes */
+enum SignatureAlgorithm {
+    anonymous_sa_algo,
+    rsa_sa_algo,
+    dsa_sa_algo,
+    ecc_dsa_sa_algo
+};
+
+
+/* Supprted ECC Curve Types */
+enum EccCurves {
+    named_curve = 3
+};
+
+
+/* Supprted ECC Named Curves */
+enum EccNamedCurves {
+    secp256r1 = 0x17,         /* default, OpenSSL also calls it prime256v1 */
+    secp384r1 = 0x18,
+    secp521r1 = 0x19,
+
+    secp160r1 = 0x10,
+    secp192r1 = 0x13,        /*           Openssl also call it prime192v1 */
+    secp224r1 = 0x15
+};
+
+
+/* Valid client certificate request types from page 27 */
+enum ClientCertificateType {    
+    rsa_sign            = 1, 
+    dss_sign            = 2,
+    rsa_fixed_dh        = 3,
+    dss_fixed_dh        = 4,
+    rsa_ephemeral_dh    = 5,
+    dss_ephemeral_dh    = 6,
+    fortezza_kea_cert   = 20
+};
+
+
+enum CipherType { stream, block, aead };
+
+
+#ifdef CYASSL_DTLS
+
+    #ifdef WORD64_AVAILABLE
+        typedef word64 DtlsSeq;
+    #else
+        typedef word32 DtlsSeq;
+    #endif
+    #define DTLS_SEQ_BITS (sizeof(DtlsSeq) * CHAR_BIT)
+
+    typedef struct DtlsState {
+        DtlsSeq window;     /* Sliding window for current epoch    */
+        word16 nextEpoch;   /* Expected epoch in next record       */
+        word32 nextSeq;     /* Expected sequence in next record    */
+
+        word16 curEpoch;    /* Received epoch in current record    */
+        word32 curSeq;      /* Received sequence in current record */
+
+        DtlsSeq prevWindow; /* Sliding window for old epoch        */
+        word32 prevSeq;     /* Next sequence in allowed old epoch  */
+    } DtlsState;
+
+#endif /* CYASSL_DTLS */
+
+
+/* keys and secrets */
+typedef struct Keys {
+    byte client_write_MAC_secret[MAX_DIGEST_SIZE];   /* max sizes */
+    byte server_write_MAC_secret[MAX_DIGEST_SIZE]; 
+    byte client_write_key[AES_256_KEY_SIZE];         /* max sizes */
+    byte server_write_key[AES_256_KEY_SIZE]; 
+    byte client_write_IV[AES_IV_SIZE];               /* max sizes */
+    byte server_write_IV[AES_IV_SIZE];
+#ifdef HAVE_AEAD
+    byte aead_exp_IV[AEAD_EXP_IV_SZ];
+    byte aead_enc_imp_IV[AEAD_IMP_IV_SZ];
+    byte aead_dec_imp_IV[AEAD_IMP_IV_SZ];
+#endif
+
+    word32 peer_sequence_number;
+    word32 sequence_number;
+    
+#ifdef CYASSL_DTLS
+    DtlsState dtls_state;                       /* Peer's state */
+    word16 dtls_peer_handshake_number;
+    word16 dtls_expected_peer_handshake_number;
+
+    word16 dtls_epoch;                          /* Current tx epoch    */
+    word32 dtls_sequence_number;                /* Current tx sequence */
+    word16 dtls_handshake_number;               /* Current tx handshake seq */
+#endif
+
+    word32 encryptSz;             /* last size of encrypted data   */
+    word32 padSz;                 /* how much to advance after decrypt part */
+    byte   encryptionOn;          /* true after change cipher spec */
+    byte   decryptedCur;          /* only decrypt current record once */
+} Keys;
+
+
+/* cipher for now */
+typedef struct Ciphers {
+#ifdef BUILD_ARC4
+    Arc4*   arc4;
+#endif
+#ifdef BUILD_DES3
+    Des3*   des3;
+#endif
+#if defined(BUILD_AES) || defined(BUILD_AESGCM)
+    Aes*    aes;
+#endif
+#ifdef HAVE_CAMELLIA
+    Camellia* cam;
+#endif
+#ifdef HAVE_HC128
+    HC128*  hc128;
+#endif
+#ifdef BUILD_RABBIT
+    Rabbit* rabbit;
+#endif
+    byte    setup;       /* have we set it up flag for detection */
+} Ciphers;
+
+
+CYASSL_LOCAL void InitCiphers(CYASSL* ssl);
+CYASSL_LOCAL void FreeCiphers(CYASSL* ssl);
+
+
+/* hashes type */
+typedef struct Hashes {
+    #ifndef NO_OLD_TLS
+        byte md5[MD5_DIGEST_SIZE];
+    #endif
+    byte sha[SHA_DIGEST_SIZE];
+    #ifndef NO_SHA256
+        byte sha256[SHA256_DIGEST_SIZE];
+    #endif
+    #ifdef CYASSL_SHA384
+        byte sha384[SHA384_DIGEST_SIZE];
+    #endif
+} Hashes;
+
+
+/* Static x509 buffer */
+typedef struct x509_buffer {
+    int  length;                  /* actual size */
+    byte buffer[MAX_X509_SIZE];   /* max static cert size */
+} x509_buffer;
+
+
+/* CyaSSL X509_CHAIN, for no dynamic memory SESSION_CACHE */
+struct CYASSL_X509_CHAIN {
+    int         count;                    /* total number in chain */
+    x509_buffer certs[MAX_CHAIN_DEPTH];   /* only allow max depth 4 for now */
+};
+
+
+/* CyaSSL session type */
+struct CYASSL_SESSION {
+    byte         sessionID[ID_LEN];             /* id for protocol */
+    byte         masterSecret[SECRET_LEN];      /* stored secret */
+    word32       bornOn;                        /* create time in seconds   */
+    word32       timeout;                       /* timeout in seconds       */
+#ifdef SESSION_CERTS
+    CYASSL_X509_CHAIN chain;                    /* peer cert chain, static  */
+    ProtocolVersion version;                    /* which version was used */
+    byte            cipherSuite0;               /* first byte, normally 0 */
+    byte            cipherSuite;                /* 2nd byte, actual suite */
+#endif
+#ifndef NO_CLIENT_CACHE
+    byte         serverID[SERVER_ID_LEN];       /* for easier client lookup */
+    word16       idLen;                         /* serverID length */
+#endif
+};
+
+
+CYASSL_LOCAL
+CYASSL_SESSION* GetSession(CYASSL*, byte*);
+CYASSL_LOCAL
+int          SetSession(CYASSL*, CYASSL_SESSION*);
+
+typedef int (*hmacfp) (CYASSL*, byte*, const byte*, word32, int, int);
+
+#ifndef NO_CLIENT_CACHE
+    CYASSL_SESSION* GetSessionClient(CYASSL*, const byte*, int);
+#endif
+
+/* client connect state for nonblocking restart */
+enum ConnectState {
+    CONNECT_BEGIN = 0,
+    CLIENT_HELLO_SENT,
+    HELLO_AGAIN,               /* HELLO_AGAIN s for DTLS case */
+    HELLO_AGAIN_REPLY,
+    FIRST_REPLY_DONE,
+    FIRST_REPLY_FIRST,
+    FIRST_REPLY_SECOND,
+    FIRST_REPLY_THIRD,
+    FIRST_REPLY_FOURTH,
+    FINISHED_DONE,
+    SECOND_REPLY_DONE
+};
+
+
+/* server accept state for nonblocking restart */
+enum AcceptState {
+    ACCEPT_BEGIN = 0,
+    ACCEPT_CLIENT_HELLO_DONE,
+    HELLO_VERIFY_SENT,
+    ACCEPT_FIRST_REPLY_DONE,
+    SERVER_HELLO_SENT,
+    CERT_SENT,
+    KEY_EXCHANGE_SENT,
+    CERT_REQ_SENT,
+    SERVER_HELLO_DONE,
+    ACCEPT_SECOND_REPLY_DONE,
+    CHANGE_CIPHER_SENT,
+    ACCEPT_FINISHED_DONE,
+    ACCEPT_THIRD_REPLY_DONE
+};
+
+
+typedef struct Buffers {
+#ifndef NO_CERTS
+    buffer          certificate;            /* CYASSL_CTX owns, unless we own */
+    buffer          key;                    /* CYASSL_CTX owns, unless we own */
+    buffer          certChain;              /* CYASSL_CTX owns */
+                 /* chain after self, in DER, with leading size for each cert */
+    buffer          serverDH_P;             /* CYASSL_CTX owns, unless we own */
+    buffer          serverDH_G;             /* CYASSL_CTX owns, unless we own */
+    buffer          serverDH_Pub;
+    buffer          serverDH_Priv;
+#endif
+    buffer          domainName;             /* for client check */
+    bufferStatic    inputBuffer;
+    bufferStatic    outputBuffer;
+    buffer          clearOutputBuffer;
+    int             prevSent;              /* previous plain text bytes sent
+                                              when got WANT_WRITE            */
+    int             plainSz;               /* plain text bytes in buffer to send
+                                              when got WANT_WRITE            */
+    byte            weOwnCert;             /* SSL own cert flag */
+    byte            weOwnKey;              /* SSL own key  flag */
+    byte            weOwnDH;               /* SSL own dh (p,g)  flag */
+#ifdef CYASSL_DTLS
+    CYASSL_DTLS_CTX dtlsCtx;               /* DTLS connection context */
+#endif
+#ifdef HAVE_PK_CALLBACKS
+    #ifdef HAVE_ECC
+        buffer peerEccDsaKey;              /* we own for Ecc Verify Callbacks */
+    #endif /* HAVE_ECC */
+    #ifndef NO_RSA
+        buffer peerRsaKey;                 /* we own for Rsa Verify Callbacks */
+    #endif /* NO_RSA */
+#endif /* HAVE_PK_CALLBACKS */
+} Buffers;
+
+typedef struct Options {
+    byte            sessionCacheOff;
+    byte            sessionCacheFlushOff;
+    byte            cipherSuite0;           /* first byte, normally 0 */
+    byte            cipherSuite;            /* second byte, actual suite */
+    byte            serverState;
+    byte            clientState;
+    byte            handShakeState;
+    byte            side;               /* client or server end */
+    byte            verifyPeer;
+    byte            verifyNone;
+    byte            failNoCert;
+    byte            downgrade;          /* allow downgrade of versions */
+    byte            sendVerify;         /* false = 0, true = 1, sendBlank = 2 */
+    byte            resuming;
+    byte            haveSessionId;      /* server may not send */
+    byte            tls;                /* using TLS ? */
+    byte            tls1_1;             /* using TLSv1.1+ ? */
+    byte            dtls;               /* using datagrams ? */
+    byte            connReset;          /* has the peer reset */
+    byte            isClosed;           /* if we consider conn closed */
+    byte            closeNotify;        /* we've recieved a close notify */
+    byte            sentNotify;         /* we've sent a close notify */
+    byte            connectState;       /* nonblocking resume */
+    byte            acceptState;        /* nonblocking resume */
+    byte            usingCompression;   /* are we using compression */
+    byte            haveRSA;            /* RSA available */
+    byte            haveDH;             /* server DH parms set by user */
+    byte            haveNTRU;           /* server NTRU  private key loaded */
+    byte            haveECDSAsig;       /* server ECDSA signed cert */
+    byte            haveStaticECC;      /* static server ECC private key */
+    byte            havePeerCert;       /* do we have peer's cert */
+    byte            havePeerVerify;     /* and peer's cert verify */
+    byte            usingPSK_cipher;    /* whether we're using psk as cipher */
+    byte            sendAlertState;     /* nonblocking resume */ 
+    byte            processReply;       /* nonblocking resume */
+    byte            partialWrite;       /* only one msg per write call */
+    byte            quietShutdown;      /* don't send close notify */
+    byte            certOnly;           /* stop once we get cert */
+    byte            groupMessages;      /* group handshake messages */
+    byte            usingNonblock;      /* set when using nonblocking socket */
+    byte            saveArrays;         /* save array Memory for user get keys
+                                           or psk */
+#ifndef NO_PSK
+    byte            havePSK;            /* psk key set by user */
+    psk_client_callback client_psk_cb;
+    psk_server_callback server_psk_cb;
+#endif /* NO_PSK */
+} Options;
+
+typedef struct Arrays {
+    byte            clientRandom[RAN_LEN];
+    byte            serverRandom[RAN_LEN];
+    byte            sessionID[ID_LEN];
+    byte            preMasterSecret[ENCRYPT_LEN];
+    byte            masterSecret[SECRET_LEN];
+#ifdef CYASSL_DTLS
+    byte            cookie[MAX_COOKIE_LEN];
+    byte            cookieSz;
+#endif
+#ifndef NO_PSK
+    char            client_identity[MAX_PSK_ID_LEN];
+    char            server_hint[MAX_PSK_ID_LEN];
+    byte            psk_key[MAX_PSK_KEY_LEN];
+    word32          psk_keySz;          /* acutal size */
+#endif
+    word32          preMasterSz;        /* differs for DH, actual size */
+} Arrays;
+
+#ifndef ASN_NAME_MAX
+#define ASN_NAME_MAX 256
+#endif
+
+#ifndef MAX_DATE_SZ
+#define MAX_DATE_SZ 32
+#endif
+
+struct CYASSL_X509_NAME {
+    char  *name;
+    char  staticName[ASN_NAME_MAX];
+    int   dynamicName;
+    int   sz;
+#ifdef OPENSSL_EXTRA
+    DecodedName fullName;
+#endif /* OPENSSL_EXTRA */
+};
+
+#ifndef EXTERNAL_SERIAL_SIZE
+    #define EXTERNAL_SERIAL_SIZE 32
+#endif
+
+#ifdef NO_ASN 
+    typedef struct DNS_entry DNS_entry;
+#endif
+
+struct CYASSL_X509 {
+    int              version;
+    CYASSL_X509_NAME issuer;
+    CYASSL_X509_NAME subject;
+    int              serialSz;
+    byte             serial[EXTERNAL_SERIAL_SIZE];
+    char             subjectCN[ASN_NAME_MAX];        /* common name short cut */
+#ifdef CYASSL_SEP
+    int              deviceTypeSz;
+    byte             deviceType[EXTERNAL_SERIAL_SIZE];
+    int              hwTypeSz;
+    byte             hwType[EXTERNAL_SERIAL_SIZE];
+    int              hwSerialNumSz;
+    byte             hwSerialNum[EXTERNAL_SERIAL_SIZE];
+    #ifdef OPENSSL_EXTRA
+        byte             certPolicySet;
+        byte             certPolicyCrit;
+    #endif /* OPENSSL_EXTRA */
+#endif
+    int              notBeforeSz;
+    byte             notBefore[MAX_DATE_SZ];
+    int              notAfterSz;
+    byte             notAfter[MAX_DATE_SZ];
+    int              sigOID;
+    buffer           sig;
+    int              pubKeyOID;
+    buffer           pubKey;
+    #ifdef HAVE_ECC
+        word32       pkCurveOID;
+    #endif /* HAVE_ECC */
+    buffer           derCert;                        /* may need  */
+    DNS_entry*       altNames;                       /* alt names list */
+    DNS_entry*       altNamesNext;                   /* hint for retrieval */
+    byte             dynamicMemory;                  /* dynamic memory flag */
+    byte             isCa;
+#ifdef OPENSSL_EXTRA
+    word32           pathLength;
+    word16           keyUsage;
+    byte             basicConstSet;
+    byte             basicConstCrit;
+    byte             basicConstPlSet;
+    byte             subjAltNameSet;
+    byte             subjAltNameCrit;
+    byte             authKeyIdSet;
+    byte             authKeyIdCrit;
+    byte*            authKeyId;
+    word32           authKeyIdSz;
+    byte             subjKeyIdSet;
+    byte             subjKeyIdCrit;
+    byte*            subjKeyId;
+    word32           subjKeyIdSz;
+    byte             keyUsageSet;
+    byte             keyUsageCrit;
+#endif /* OPENSSL_EXTRA */
+};
+
+
+/* record layer header for PlainText, Compressed, and CipherText */
+typedef struct RecordLayerHeader {
+    byte            type;
+    byte            pvMajor;
+    byte            pvMinor;
+    byte            length[2];
+} RecordLayerHeader;
+
+
+/* record layer header for DTLS PlainText, Compressed, and CipherText */
+typedef struct DtlsRecordLayerHeader {
+    byte            type;
+    byte            pvMajor;
+    byte            pvMinor;
+    byte            epoch[2];             /* increment on cipher state change */
+    byte            sequence_number[6];   /* per record */
+    byte            length[2];
+} DtlsRecordLayerHeader;
+
+
+typedef struct DtlsPool {
+    buffer          buf[DTLS_POOL_SZ];
+    int             used;
+} DtlsPool;
+
+typedef struct DtlsMsg {
+    struct DtlsMsg* next;
+    word32          seq;       /* Handshake sequence number    */
+    word32          sz;        /* Length of whole mesage       */
+    word32          fragSz;    /* Length of fragments received */
+    byte            type;
+    byte*           buf;
+    byte*           msg;
+} DtlsMsg;
+
+
+#ifdef HAVE_NETX
+
+    /* NETX I/O Callback default */
+    typedef struct NetX_Ctx {
+        NX_TCP_SOCKET* nxSocket;    /* send/recv socket handle */
+        NX_PACKET*     nxPacket;    /* incoming packet handle for short reads */
+        ULONG          nxOffset;    /* offset already read from nxPacket */
+        ULONG          nxWait;      /* wait option flag */
+    } NetX_Ctx;
+
+#endif
+
+
+/* CyaSSL ssl type */
+struct CYASSL {
+    CYASSL_CTX*     ctx;
+    int             error;
+    ProtocolVersion version;            /* negotiated version */
+    ProtocolVersion chVersion;          /* client hello version */
+    Suites*         suites;             /* only need during handshake */
+    Ciphers         encrypt;
+    Ciphers         decrypt;
+    CipherSpecs     specs;
+    Keys            keys;
+    int             rfd;                /* read  file descriptor */
+    int             wfd;                /* write file descriptor */
+    int             rflags;             /* user read  flags */
+    int             wflags;             /* user write flags */
+    CYASSL_BIO*     biord;              /* socket bio read  to free/close */
+    CYASSL_BIO*     biowr;              /* socket bio write to free/close */
+    void*           IOCB_ReadCtx;
+    void*           IOCB_WriteCtx;
+    RNG*            rng;
+#ifndef NO_OLD_TLS
+#ifndef NO_SHA
+    Sha             hashSha;            /* sha hash of handshake msgs */
+#endif
+#ifndef NO_MD5
+    Md5             hashMd5;            /* md5 hash of handshake msgs */
+#endif
+#endif
+#ifndef NO_SHA256
+    Sha256          hashSha256;         /* sha256 hash of handshake msgs */
+#endif
+#ifdef CYASSL_SHA384
+    Sha384          hashSha384;         /* sha384 hash of handshake msgs */
+#endif
+    Hashes          verifyHashes;
+    Hashes          certHashes;         /* for cert verify */
+    Buffers         buffers;
+    Options         options;
+    Arrays*         arrays;
+    CYASSL_SESSION  session;
+    VerifyCallback  verifyCallback;      /* cert verification callback */
+    void*           verifyCbCtx;         /* cert verify callback user ctx*/
+#ifndef NO_RSA
+    RsaKey*         peerRsaKey;
+    byte            peerRsaKeyPresent;
+#endif
+#ifdef HAVE_NTRU
+    word16          peerNtruKeyLen;
+    byte            peerNtruKey[MAX_NTRU_PUB_KEY_SZ];
+    byte            peerNtruKeyPresent;
+#endif
+#ifdef HAVE_ECC
+    ecc_key*        peerEccKey;              /* peer's  ECDHE key */
+    ecc_key*        peerEccDsaKey;           /* peer's  ECDSA key */
+    ecc_key*        eccTempKey;              /* private ECDHE key */
+    ecc_key*        eccDsaKey;               /* private ECDSA key */
+    word16          eccTempKeySz;            /* in octets 20 - 66 */
+    word32          pkCurveOID;              /* curve Ecc_Sum     */
+    byte            peerEccKeyPresent;
+    byte            peerEccDsaKeyPresent;
+    byte            eccTempKeyPresent;
+    byte            eccDsaKeyPresent;
+#endif
+    hmacfp          hmac;
+    void*           heap;               /* for user overrides */
+    RecordLayerHeader curRL;
+    word16            curSize;
+    word32          timeout;            /* session timeout */
+    CYASSL_CIPHER   cipher;
+#ifdef HAVE_LIBZ
+    z_stream        c_stream;           /* compression   stream */
+    z_stream        d_stream;           /* decompression stream */
+    byte            didStreamInit;      /* for stream init and end */
+#endif
+#ifdef CYASSL_DTLS
+    int             dtls_timeout_init;  /* starting timeout vaule */
+    int             dtls_timeout_max;   /* maximum timeout value */
+    int             dtls_timeout;       /* current timeout value, changes */
+    DtlsPool*       dtls_pool;
+    DtlsMsg*        dtls_msg_list;
+    void*           IOCB_CookieCtx;     /* gen cookie ctx */
+    word32          dtls_expected_rx;
+#endif
+#ifdef CYASSL_CALLBACKS
+    HandShakeInfo   handShakeInfo;      /* info saved during handshake */
+    TimeoutInfo     timeoutInfo;        /* info saved during handshake */
+    byte            hsInfoOn;           /* track handshake info        */
+    byte            toInfoOn;           /* track timeout   info        */
+#endif
+#ifdef KEEP_PEER_CERT
+    CYASSL_X509     peerCert;           /* X509 peer cert */
+#endif
+#ifdef FORTRESS
+    void*           ex_data[MAX_EX_DATA]; /* external data, for Fortress */
+#endif
+#ifdef HAVE_CAVIUM
+    int              devId;            /* cavium device id to use */
+#endif
+#ifdef HAVE_TLS_EXTENSIONS
+    TLSX* extensions;                  /* RFC 6066 TLS Extensions data */
+#ifdef HAVE_MAX_FRAGMENT
+    word16 max_fragment;
+#endif
+#ifdef HAVE_TRUNCATED_HMAC
+    byte truncated_hmac;
+#endif
+#endif
+#ifdef HAVE_NETX
+    NetX_Ctx        nxCtx;             /* NetX IO Context */
+#endif
+#ifdef SESSION_INDEX
+    int sessionIndex;                  /* Session's location in the cache. */
+#endif
+    CYASSL_ALERT_HISTORY alert_history;
+#ifdef ATOMIC_USER
+    void*    MacEncryptCtx;    /* Atomic User Mac/Encrypt Callback Context */
+    void*    DecryptVerifyCtx; /* Atomic User Decrypt/Verify Callback Context */
+#endif
+#ifdef HAVE_PK_CALLBACKS
+    #ifdef HAVE_ECC
+        void* EccSignCtx;     /* Ecc Sign   Callback Context */
+        void* EccVerifyCtx;   /* Ecc Verify Callback Context */
+    #endif /* HAVE_ECC */
+    #ifndef NO_RSA 
+        void* RsaSignCtx;     /* Rsa Sign   Callback Context */
+        void* RsaVerifyCtx;   /* Rsa Verify Callback Context */
+        void* RsaEncCtx;      /* Rsa Public  Encrypt   Callback Context */
+        void* RsaDecCtx;      /* Rsa Private Decrypt   Callback Context */
+    #endif /* NO_RSA */
+#endif /* HAVE_PK_CALLBACKS */
+};
+
+
+CYASSL_LOCAL
+int  InitSSL(CYASSL*, CYASSL_CTX*);
+CYASSL_LOCAL
+void FreeSSL(CYASSL*);
+CYASSL_API void SSL_ResourceFree(CYASSL*);   /* Micrium uses */
+
+
+enum {
+    IV_SZ   = 32,          /* max iv sz */
+    NAME_SZ = 80          /* max one line */
+};
+
+
+typedef struct EncryptedInfo {
+    char     name[NAME_SZ];    /* encryption name */
+    byte     iv[IV_SZ];        /* encrypted IV */
+    word32   ivSz;             /* encrypted IV size */
+    long     consumed;         /* tracks PEM bytes consumed */
+    byte     set;              /* if encryption set */
+    CYASSL_CTX* ctx;              /* CTX owner */
+} EncryptedInfo;
+
+
+#ifndef NO_CERTS
+    CYASSL_LOCAL int PemToDer(const unsigned char* buff, long sz, int type,
+                              buffer* der, void* heap, EncryptedInfo* info,
+                              int* eccKey);
+
+    CYASSL_LOCAL int ProcessFile(CYASSL_CTX* ctx, const char* fname, int format,
+                                 int type, CYASSL* ssl, int userChain,
+                                CYASSL_CRL* crl);
+#endif
+
+
+#ifdef CYASSL_CALLBACKS
+    CYASSL_LOCAL
+    void InitHandShakeInfo(HandShakeInfo*);
+    CYASSL_LOCAL 
+    void FinishHandShakeInfo(HandShakeInfo*, const CYASSL*);
+    CYASSL_LOCAL 
+    void AddPacketName(const char*, HandShakeInfo*);
+
+    CYASSL_LOCAL
+    void InitTimeoutInfo(TimeoutInfo*);
+    CYASSL_LOCAL 
+    void FreeTimeoutInfo(TimeoutInfo*, void*);
+    CYASSL_LOCAL 
+    void AddPacketInfo(const char*, TimeoutInfo*, const byte*, int, void*);
+    CYASSL_LOCAL 
+    void AddLateName(const char*, TimeoutInfo*);
+    CYASSL_LOCAL 
+    void AddLateRecordHeader(const RecordLayerHeader* rl, TimeoutInfo* info);
+#endif
+
+
+/* Record Layer Header identifier from page 12 */
+enum ContentType {
+    no_type            = 0,
+    change_cipher_spec = 20, 
+    alert              = 21, 
+    handshake          = 22, 
+    application_data   = 23 
+};
+
+
+/* handshake header, same for each message type, pgs 20/21 */
+typedef struct HandShakeHeader {
+    byte            type;
+    word24          length;
+} HandShakeHeader;
+
+
+/* DTLS handshake header, same for each message type */
+typedef struct DtlsHandShakeHeader {
+    byte            type;
+    word24          length;
+    byte            message_seq[2];    /* start at 0, restransmit gets same # */
+    word24          fragment_offset;   /* bytes in previous fragments */
+    word24          fragment_length;   /* length of this fragment */
+} DtlsHandShakeHeader;
+
+
+enum HandShakeType {
+    no_shake            = -1,
+    hello_request       = 0, 
+    client_hello        = 1, 
+    server_hello        = 2,
+    hello_verify_request = 3,       /* DTLS addition */
+    session_ticket      =  4,
+    certificate         = 11, 
+    server_key_exchange = 12,
+    certificate_request = 13, 
+    server_hello_done   = 14,
+    certificate_verify  = 15, 
+    client_key_exchange = 16,
+    finished            = 20
+};
+
+
+static const byte client[SIZEOF_SENDER] = { 0x43, 0x4C, 0x4E, 0x54 };
+static const byte server[SIZEOF_SENDER] = { 0x53, 0x52, 0x56, 0x52 };
+
+static const byte tls_client[FINISHED_LABEL_SZ + 1] = "client finished";
+static const byte tls_server[FINISHED_LABEL_SZ + 1] = "server finished";
+
+
+/* internal functions */
+CYASSL_LOCAL int SendChangeCipher(CYASSL*);
+CYASSL_LOCAL int SendData(CYASSL*, const void*, int);
+CYASSL_LOCAL int SendCertificate(CYASSL*);
+CYASSL_LOCAL int SendCertificateRequest(CYASSL*);
+CYASSL_LOCAL int SendServerKeyExchange(CYASSL*);
+CYASSL_LOCAL int SendBuffered(CYASSL*);
+CYASSL_LOCAL int ReceiveData(CYASSL*, byte*, int, int);
+CYASSL_LOCAL int SendFinished(CYASSL*);
+CYASSL_LOCAL int SendAlert(CYASSL*, int, int);
+CYASSL_LOCAL int ProcessReply(CYASSL*);
+
+CYASSL_LOCAL int SetCipherSpecs(CYASSL*);
+CYASSL_LOCAL int MakeMasterSecret(CYASSL*);
+
+CYASSL_LOCAL int  AddSession(CYASSL*);
+CYASSL_LOCAL int  DeriveKeys(CYASSL* ssl);
+CYASSL_LOCAL int  StoreKeys(CYASSL* ssl, const byte* keyData);
+
+CYASSL_LOCAL int IsTLS(const CYASSL* ssl);
+CYASSL_LOCAL int IsAtLeastTLSv1_2(const CYASSL* ssl);
+
+CYASSL_LOCAL void FreeHandshakeResources(CYASSL* ssl);
+CYASSL_LOCAL void ShrinkInputBuffer(CYASSL* ssl, int forcedFree);
+CYASSL_LOCAL void ShrinkOutputBuffer(CYASSL* ssl);
+
+CYASSL_LOCAL int VerifyClientSuite(CYASSL* ssl);
+#ifndef NO_CERTS
+    CYASSL_LOCAL Signer* GetCA(void* cm, byte* hash);
+    #ifndef NO_SKID
+        CYASSL_LOCAL Signer* GetCAByName(void* cm, byte* hash);
+    #endif
+#endif
+CYASSL_LOCAL int  BuildTlsFinished(CYASSL* ssl, Hashes* hashes,
+                                   const byte* sender);
+CYASSL_LOCAL void FreeArrays(CYASSL* ssl, int keep);
+CYASSL_LOCAL  int CheckAvailableSize(CYASSL *ssl, int size);
+CYASSL_LOCAL  int GrowInputBuffer(CYASSL* ssl, int size, int usedLength);
+
+#ifndef NO_TLS
+    CYASSL_LOCAL int  MakeTlsMasterSecret(CYASSL*);
+    CYASSL_LOCAL int  TLS_hmac(CYASSL* ssl, byte* digest, const byte* in,
+                               word32 sz, int content, int verify);
+#endif
+
+#ifndef NO_CYASSL_CLIENT
+    CYASSL_LOCAL int SendClientHello(CYASSL*);
+    CYASSL_LOCAL int SendClientKeyExchange(CYASSL*);
+    CYASSL_LOCAL int SendCertificateVerify(CYASSL*);
+#endif /* NO_CYASSL_CLIENT */
+
+#ifndef NO_CYASSL_SERVER
+    CYASSL_LOCAL int SendServerHello(CYASSL*);
+    CYASSL_LOCAL int SendServerHelloDone(CYASSL*);
+    #ifdef CYASSL_DTLS
+        CYASSL_LOCAL int SendHelloVerifyRequest(CYASSL*);
+    #endif
+#endif /* NO_CYASSL_SERVER */
+
+#ifdef CYASSL_DTLS
+    CYASSL_LOCAL int  DtlsPoolInit(CYASSL*);
+    CYASSL_LOCAL int  DtlsPoolSave(CYASSL*, const byte*, int);
+    CYASSL_LOCAL int  DtlsPoolTimeout(CYASSL*);
+    CYASSL_LOCAL int  DtlsPoolSend(CYASSL*);
+    CYASSL_LOCAL void DtlsPoolReset(CYASSL*);
+
+    CYASSL_LOCAL DtlsMsg* DtlsMsgNew(word32, void*);
+    CYASSL_LOCAL void DtlsMsgDelete(DtlsMsg*, void*);
+    CYASSL_LOCAL void DtlsMsgListDelete(DtlsMsg*, void*);
+    CYASSL_LOCAL void DtlsMsgSet(DtlsMsg*, word32, const byte*, byte,
+                                                             word32, word32);
+    CYASSL_LOCAL DtlsMsg* DtlsMsgFind(DtlsMsg*, word32);
+    CYASSL_LOCAL DtlsMsg* DtlsMsgStore(DtlsMsg*, word32, const byte*, word32,
+                                                byte, word32, word32, void*);
+    CYASSL_LOCAL DtlsMsg* DtlsMsgInsert(DtlsMsg*, DtlsMsg*);
+#endif /* CYASSL_DTLS */
+
+#ifndef NO_TLS
+    
+
+#endif /* NO_TLS */
+
+
+CYASSL_LOCAL word32  LowResTimer(void);
+
+CYASSL_LOCAL void InitX509Name(CYASSL_X509_NAME*, int);
+CYASSL_LOCAL void FreeX509Name(CYASSL_X509_NAME* name);
+CYASSL_LOCAL void InitX509(CYASSL_X509*, int);
+CYASSL_LOCAL void FreeX509(CYASSL_X509*);
+#ifndef NO_CERTS
+    CYASSL_LOCAL int  CopyDecodedToX509(CYASSL_X509*, DecodedCert*);
+#endif
+
+
+#ifdef __cplusplus
+    }  /* extern "C" */
+#endif
+
+#endif /* CyaSSL_INT_H */
+
+