third_party/openssl: add ChaCha20+Poly1305 support.

openssl/ssl/s2_enc.c

 /* ssl/s2_enc.c */
 /* 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.
  * 
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
@@ skipping 50 matching lines @@
 #include <stdio.h>
 
 int ssl2_enc_init(SSL *s, int client)
         {
         /* Max number of bytes needed */
         EVP_CIPHER_CTX *rs,*ws;
         const EVP_CIPHER *c;
         const EVP_MD *md;
         int num;
 
-        if (!ssl_cipher_get_evp(s->session,&c,&md,NULL,NULL,NULL))
+        if (!ssl_cipher_get_evp(s->session,&c,&md,NULL,NULL))
                 {
                 ssl2_return_error(s,SSL2_PE_NO_CIPHER);
                 SSLerr(SSL_F_SSL2_ENC_INIT,SSL_R_PROBLEMS_MAPPING_CIPHER_FUNCTIONS);
                 return(0);
                 }
         ssl_replace_hash(&s->read_hash,md);
         ssl_replace_hash(&s->write_hash,md);
 
         if ((s->enc_read_ctx == NULL) &&
                 ((s->enc_read_ctx=(EVP_CIPHER_CTX *)
@@ skipping 102 matching lines @@
         EVP_DigestFinal_ex(&c,md,NULL);
         EVP_MD_CTX_cleanup(&c);
         }
 #else /* !OPENSSL_NO_SSL2 */
 
 # if PEDANTIC
 static void *dummy=&dummy;
 # endif
 
 #endif