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gpg: Do not allow compressed key packets on import.

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* g10/import.c (read_block): Bail out on compressed packets.
* g10/options.h (COMPAT_COMPR_KEYS): New.
* g10/gpg.c (compatibility_flags): Add "compr-keys".
* common/util.h: Remove replacement code not any longer needed.
(GPG_ERR_UNEXPECTED_PACKET): Add a new replacement code.
--

Compressed key packets do not make much sense but historically they
were supported.  Thus we also add a compatibility flag.

GnuPG-bug-id: 7014
This commit is contained in:
Werner Koch 2025-05-16 12:37:45 +02:00
parent 645cf7d8fc
commit 8e529f9221
No known key found for this signature in database
GPG key ID: E3FDFF218E45B72B
4 changed files with 11 additions and 6 deletions
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g10/options.h
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@ -399,7 +399,7 @@ EXTERN_UNLESS_MAIN_MODULE int memory_stat_debug_mode;
/* Compatibility flags */
#define COMPAT_PARALLELIZED 1 /* Use threaded hashing for signatures. */
#define COMPAT_T7014_OLD 2 /* Use initial T7014 test data. */
#define COMPAT_COMPR_KEYS 4 /* Allow import of compressed keys. (T7014) */
/* Compliance test macros. */
#define GNUPG (opt.compliance==CO_GNUPG || opt.compliance==CO_DE_VS)