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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
doc/DETAILS
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@ -381,11 +381,9 @@ more arguments in future versions.
The ASCII armor is corrupted. No arguments yet.
RSA_OR_IDEA
The IDEA algorithms has been used in the data. A
program might want to fallback to another program to handle
the data if GnuPG failed. This status message used to be emitted
also for RSA but this has been dropped after the RSA patent expired.
However we can't change the name of the message.
Obsolete. This status message used to be emitted for requests
to use the IDEA or RSA algorithms. It has been dropped from
GnuPG 2.1 after the respective patents expired.
SHM_INFO
SHM_GET