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Add tweaks for the not anymore patented IDEA algorithm.

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* g10/keygen.c (keygen_set_std_prefs): Include IDEA only in PGP2
compatibility mode.
* g10/misc.c (idea_cipher_warn): Remove.  Also remove all callers.
* common/status.h (STATUS_RSA_OR_IDEA): Remove.  Do not emit this
status anymore.
--

To keep the number of actually used algorithms low, we want to support
IDEA only in a basically read-only way (unless --pgp2 is used during
key generation).  It does not make sense to suggest the use of this
old 64 bit blocksize algorithm.  However, there is old data available
where it might be helpful to have IDEA available.
This commit is contained in:
Werner Koch 2012-05-08 18:18:32 +02:00
parent 14cfd45d38
commit b4d9f8dbc8
10 changed files with 4 additions and 65 deletions
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8
g10/keygen.c
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@ -349,7 +349,7 @@ keygen_set_std_prefs (const char *string,int personal)
break PGP2, but that is difficult with the current
code, and not really worth checking as a non-RSA <=2048
bit key wouldn't be usable by PGP2 anyway. -dms */
if ( !openpgp_cipher_test_algo (CIPHER_ALGO_IDEA) )
if (PGP2 && !openpgp_cipher_test_algo (CIPHER_ALGO_IDEA) )
strcat(dummy_string,"S1 ");
@ -442,12 +442,6 @@ keygen_set_std_prefs (const char *string,int personal)
else
{
log_info (_("invalid item `%s' in preference string\n"),tok);
/* Complain if IDEA is not available. */
if(ascii_strcasecmp(tok,"s1")==0
|| ascii_strcasecmp(tok,"idea")==0)
idea_cipher_warn(1);
rc=-1;
}
}