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gpg: New option --force-aead

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* g10/dek.h (DEK): Turn fields use_mdc, algo_printed and symmetric
into single bit vars.  Make sure they are always set to 1 or 0.
(DEK): New field use_aead.
* g10/options.h (struct opt): New field force_aead.
* g10/pkclist.c (select_aead_from_pklist): New.
* g10/gpg.c (oForceAEAD): New const.
(opts): New options "--force-aead".
(main): Set new option.
* g10/encrypt.c (use_aead): New.
(encrypt_simple): Implement new flags DEK.use_aead.
(encrypt_crypt): Ditto.
(encrypt_filter): Ditto.
* g10/sign.c (sign_symencrypt_file): Ditto.
--

This patch should be enough to detect whether AEAD can be used.
Not tested.

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2018-01-10 17:07:11 +01:00
parent 8217cd4936
commit 4e2ba546cd
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GPG key ID: E3FDFF218E45B72B
8 changed files with 120 additions and 20 deletions
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g10/main.h
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@ -233,6 +233,7 @@ void display_online_help( const char *keyword );
/*-- encode.c --*/
int setup_symkey (STRING2KEY **symkey_s2k,DEK **symkey_dek);
void encrypt_seskey (DEK *dek, DEK **seskey, byte *enckey);
int use_aead (pk_list_t pk_list, int algo);
int use_mdc (pk_list_t pk_list,int algo);
int encrypt_symmetric (const char *filename );
int encrypt_store (const char *filename );