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* sign.c (hash_for, sign_file): When encrypting and signing at the same

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time, consult the various hash prefs to pick a hash algorithm to use.
Pass in a 160-bit hint if any of the signing keys are DSA.

* keydb.h, pkclist.c (select_algo_from_prefs, algo_available): Pass a
"hints" opaque pointer in to let the caller give hints as to what
algorithms would be acceptable.  The only current hint is for
PREFTYPE_HASH to require a 160-bit hash for DSA.  Change all callers in
encode.c (encode_crypt, encrypt_filter) and sign.c (sign_file).  If we
settle on MD5 as the best algorithm based solely on recepient keys and
SHA1 is also a possibility, use SHA1 unless the user intentionally chose
MD5.  This is as per 2440:13.

* exec.c (make_tempdir): Fix duplicated filename problem.
This commit is contained in:
David Shaw 2002-06-04 23:18:37 +00:00
parent ae02cf4630
commit fd08b13528
6 changed files with 115 additions and 20 deletions
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16
g10/exec.c
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@ -93,10 +93,12 @@ static int win_system(const char *command)
/* Makes a temp directory and filenames */
static int make_tempdir(struct exec_info *info)
{
char *tmp=opt.temp_dir,*name=info->name;
char *tmp=opt.temp_dir,*namein=info->name,*nameout;
if(!name)
name=info->binary?"tempfile" EXTSEP_S "bin":"tempfile" EXTSEP_S "txt";
if(!namein)
namein=info->binary?"tempin" EXTSEP_S "bin":"tempin" EXTSEP_S "txt";
nameout=info->binary?"tempout" EXTSEP_S "bin":"tempout" EXTSEP_S "txt";
/* Make up the temp dir and files in case we need them */
@ -151,14 +153,14 @@ static int make_tempdir(struct exec_info *info)
info->madedir=1;
info->tempfile_in=m_alloc(strlen(info->tempdir)+
strlen(DIRSEP_S)+strlen(name)+1);
sprintf(info->tempfile_in,"%s" DIRSEP_S "%s",info->tempdir,name);
strlen(DIRSEP_S)+strlen(namein)+1);
sprintf(info->tempfile_in,"%s" DIRSEP_S "%s",info->tempdir,namein);
if(!info->writeonly)
{
info->tempfile_out=m_alloc(strlen(info->tempdir)+
strlen(DIRSEP_S)+strlen(name)+1);
sprintf(info->tempfile_out,"%s" DIRSEP_S "%s",info->tempdir,name);
strlen(DIRSEP_S)+strlen(nameout)+1);
sprintf(info->tempfile_out,"%s" DIRSEP_S "%s",info->tempdir,nameout);
}
}