third_party/openssl: add ChaCha20+Poly1305 support.

openssl/ssl/ssl_lib.c

 /*! \file ssl/ssl_lib.c
  *  \brief Version independent SSL functions.
  */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
  * 
@@ skipping 2818 matching lines @@
                 EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
                 OPENSSL_free(s->enc_read_ctx);
                 s->enc_read_ctx=NULL;
                 }
         if (s->enc_write_ctx != NULL)
                 {
                 EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
                 OPENSSL_free(s->enc_write_ctx);
                 s->enc_write_ctx=NULL;
                 }
+        if (s->aead_read_ctx != NULL)
+                {
+                EVP_AEAD_CTX_cleanup(&s->aead_read_ctx->ctx);
+                OPENSSL_free(s->aead_read_ctx);
+                s->aead_read_ctx = NULL;
+                }
+        if (s->aead_write_ctx != NULL)
+                {
+                EVP_AEAD_CTX_cleanup(&s->aead_write_ctx->ctx);
+                OPENSSL_free(s->aead_write_ctx);
+                s->aead_write_ctx = NULL;
+                }
 #ifndef OPENSSL_NO_COMP
         if (s->expand != NULL)
                 {
                 COMP_CTX_free(s->expand);
                 s->expand=NULL;
                 }
         if (s->compress != NULL)
                 {
                 COMP_CTX_free(s->compress);
                 s->compress=NULL;
@@ skipping 481 matching lines @@
         }
 
 #if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
 #include "../crypto/bio/bss_file.c"
 #endif
 
 IMPLEMENT_STACK_OF(SSL_CIPHER)
 IMPLEMENT_STACK_OF(SSL_COMP)
 IMPLEMENT_OBJ_BSEARCH_GLOBAL_CMP_FN(SSL_CIPHER, SSL_CIPHER,
                                     ssl_cipher_id);