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To: vim_dev@googlegroups.com
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Subject: Patch 7.4.509
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Fcc: outbox
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From: Bram Moolenaar <Bram@moolenaar.net>
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Mime-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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------------
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Patch 7.4.509
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Problem: Users are not aware their encryption is weak.
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Solution: Give a warning when prompting for the key.
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Files: src/crypt.c, src/ex_docmd.c, src/fileio.c, src/main.c,
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src/proto/crypt.pro
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*** ../vim-7.4.508/src/crypt.c 2014-08-13 22:05:49.032892299 +0200
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--- src/crypt.c 2014-11-12 15:10:22.359161977 +0100
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***************
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*** 504,509 ****
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--- 504,529 ----
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}
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/*
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+ * Check the crypt method and give a warning if it's outdated.
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+ */
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+ void
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+ crypt_check_method(method)
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+ int method;
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+ {
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+ if (method < CRYPT_M_BF2)
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+ {
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+ msg_scroll = TRUE;
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+ MSG(_("Warning: Using a weak encryption method; see :help 'cm'"));
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+ }
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+ }
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+
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+ void
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+ crypt_check_current_method()
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+ {
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+ crypt_check_method(crypt_get_method_nr(curbuf));
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+ }
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+
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+ /*
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* Ask the user for a crypt key.
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* When "store" is TRUE, the new key is stored in the 'key' option, and the
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* 'key' option value is returned: Don't free it.
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*** ../vim-7.4.508/src/ex_docmd.c 2014-11-05 09:53:19.989153321 +0100
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--- src/ex_docmd.c 2014-11-12 14:53:09.621921631 +0100
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***************
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*** 11524,11529 ****
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--- 11524,11530 ----
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ex_X(eap)
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exarg_T *eap UNUSED;
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{
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+ crypt_check_current_method();
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(void)crypt_get_key(TRUE, TRUE);
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}
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#endif
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*** ../vim-7.4.508/src/fileio.c 2014-10-31 19:51:33.010698056 +0100
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--- src/fileio.c 2014-11-12 15:10:44.986925300 +0100
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***************
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*** 2958,2963 ****
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--- 2958,2964 ----
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* Happens when retrying to detect encoding. */
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smsg((char_u *)_(need_key_msg), fname);
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msg_scroll = TRUE;
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+ crypt_check_method(method);
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cryptkey = crypt_get_key(newfile, FALSE);
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*did_ask = TRUE;
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*** ../vim-7.4.508/src/main.c 2014-09-19 13:46:49.550399801 +0200
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--- src/main.c 2014-11-12 14:52:47.866169622 +0100
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***************
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*** 854,859 ****
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--- 854,860 ----
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#ifdef FEAT_CRYPT
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if (params.ask_for_key)
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{
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+ crypt_check_current_method();
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(void)crypt_get_key(TRUE, TRUE);
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TIME_MSG("getting crypt key");
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}
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*** ../vim-7.4.508/src/proto/crypt.pro 2014-08-10 13:34:59.060785459 +0200
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--- src/proto/crypt.pro 2014-11-12 15:06:51.349363319 +0100
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***************
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*** 19,24 ****
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--- 19,26 ----
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void crypt_encode_inplace __ARGS((cryptstate_T *state, char_u *buf, size_t len));
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void crypt_decode_inplace __ARGS((cryptstate_T *state, char_u *buf, size_t len));
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void crypt_free_key __ARGS((char_u *key));
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+ void crypt_check_method __ARGS((int method));
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+ void crypt_check_current_method __ARGS((void));
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char_u *crypt_get_key __ARGS((int store, int twice));
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void crypt_append_msg __ARGS((buf_T *buf));
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/* vim: set ft=c : */
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*** ../vim-7.4.508/src/version.c 2014-11-12 13:07:48.774069557 +0100
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--- src/version.c 2014-11-12 14:45:09.979391243 +0100
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***************
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*** 743,744 ****
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--- 743,746 ----
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{ /* Add new patch number below this line */
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+ /**/
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+ 509,
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/**/
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--
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Q: How do you tell the difference between a female cat and a male cat?
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A: You ask it a question and if HE answers, it's a male but, if SHE
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answers, it's a female.
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/// Bram Moolenaar -- Bram@Moolenaar.net -- http://www.Moolenaar.net \\\
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/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
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\\\ an exciting new programming language -- http://www.Zimbu.org ///
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\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
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