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[openssl.git] / CHANGES

diff --git a/CHANGES b/CHANGES
index b1b2850c1aeb90f6b9e8e5c6129aa607c2d8d88f..34ad6c80b887e7929cd81e04439a37e0297b698e 100644 (file)
--- a/CHANGES
+++ b/CHANGES
@@ -4,6 +4,57 @@
 
  Changes between 0.9.5a and 0.9.6  [xx XXX 2000]
 
+  *) Remove lots of duplicated code from the EVP library. For example *every*
+     cipher init() function handles the 'iv' in the same way according to the
+     cipher mode. They also all do nothing if the 'key' parameter is NULL and
+     for CFB and OFB modes they zero ctx->num.
+
+     Most of the routines have the same form and so can be declared in terms
+     of macros.
+
+     By shifting this to the top level EVP_CipherInit() it can be removed from
+     all individual ciphers. If the cipher wants to handle IVs or keys
+     differently it can set the EVP_CIPH_CUSTOM_IV or EVP_CIPH_ALWAYS_CALL_INIT
+     flags.
+     [Steve Henson]
+
+  *) In ssl/s2_clnt.c and ssl/s3_clnt.c, call ERR_clear_error() when
+     the handshake is continued after ssl_verify_cert_chain();
+     otherwise, if SSL_VERIFY_NONE is set, remaining error codes
+     can lead to 'unexplainable' connection aborts later.
+     [Bodo Moeller; problem tracked down by Lutz Jaenicke]
+
+  *) EVP cipher enhancement. Add hooks for extra EVP features. This will allow
+     various cipher parameters to be set in the EVP interface. Initially
+     support added for variable key length ciphers via the
+     EVP_CIPHER_CTX_set_key_length() function. Other cipher specific
+     parameters will be added later via the new catchall 'ctrl' function.
+     New functionality allows removal of S/MIME code RC2 hack.
+
+     Still needs support in other library functions, and allow parameter
+     setting for algorithms like RC2, RC5.
+
+     Change lots of functions like EVP_EncryptUpdate() to now return a
+     value: although software versions of the algorithms cannot fail
+     any installed hardware versions can.
+     [Steve Henson]
+
+  *) Implement SSL_OP_TLS_ROLLBACK_BUG: In ssl3_get_client_key_exchange, if
+     this option is set, tolerate broken clients that send the negotiated
+     protocol version number instead of the requested protocol version
+     number.
+     [Bodo Moeller]
+
+  *) Call dh_tmp_cb (set by ..._TMP_DH_CB) with correct 'is_export' flag;
+     i.e. non-zero for export ciphersuites, zero otherwise.
+     Previous versions had this flag inverted, inconsistent with
+     rsa_tmp_cb (..._TMP_RSA_CB).
+     [Bodo Moeller; problem reported by Amit Chopra]
+
+  *) Add missing DSA library text string. Work around for some IIS
+     key files with invalid SEQUENCE encoding.
+     [Steve Henson]
+
   *) Add a document (doc/standards.txt) that list all kinds of standards
      and so on that are implemented in OpenSSL.
      [Richard Levitte]
@@ -15,7 +66,7 @@
      [Steve Henson]
 
   *) Eliminate non-ANSI declarations in crypto.h and stack.h.
-        [Ulf Möller]
+     [Ulf Möller]
 
   *) Fix for SSL server purpose checking. Server checking was
      rejecting certificates which had extended key usage present
@@ -82,12 +133,12 @@
 
      The new configuration file reading functions are:
 
-       NCONF_new, NCONF_free, NCONF_load, NCONF_load_fp, NCONF_load_bio,
-       NCONF_get_section, NCONF_get_string, NCONF_get_numbre
+        NCONF_new, NCONF_free, NCONF_load, NCONF_load_fp, NCONF_load_bio,
+        NCONF_get_section, NCONF_get_string, NCONF_get_numbre
 
-       NCONF_default, NCONF_WIN32
+        NCONF_default, NCONF_WIN32
 
-       NCONF_dump_fp, NCONF_dump_bio
+        NCONF_dump_fp, NCONF_dump_bio
 
      NCONF_default and NCONF_WIN32 are method (or "class") choosers,
      NCONF_new creates a new CONF object.  This works in the same way
@@ -753,11 +804,11 @@
 
      With these changes, a new set of functions and macros have appeared:
 
-       CRYPTO_set_mem_debug_functions()                [F]
-       CRYPTO_get_mem_debug_functions()                [F]
-       CRYPTO_dbg_set_options()                        [F]
-       CRYPTO_dbg_get_options()                        [F]
-       CRYPTO_malloc_debug_init()              [M]
+       CRYPTO_set_mem_debug_functions()                [F]
+       CRYPTO_get_mem_debug_functions()         [F]
+       CRYPTO_dbg_set_options()                        [F]
+       CRYPTO_dbg_get_options()                 [F]
+       CRYPTO_malloc_debug_init()               [M]
 
      The memory debug functions are NULL by default, unless the library
      is compiled with CRYPTO_MDEBUG or friends is defined.  If someone