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gpg: Add new compliance mode "de-vs".
* g10/options.h (CO_DE_VS): New. (GNUPG): Also allow CO_DE_VS. * g10/gpg.c (oDE_VS): New. (parse_compliance_option): Add "de-vs". (set_compliance_option): Set "de-vs". * g10/misc.c (compliance_option_string): Return a description string. (compliance_failure): Ditto. * g10/keygen.c (ask_algo): Take care of CO_DE_VS. (get_keysize_range): Ditto. (ask_curve): Add new field to CURVES and trun flags into bit flags. Allow only Brainpool curves in CO_DE_VS mode. -- As of now this compliance mode only restricts the set of algorithms and curves which can be created. Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch
parent
4bd12b571e
commit
b47603a0ac
11
g10/gpg.c
11
g10/gpg.c
@ -233,6 +233,7 @@ enum cmd_and_opt_values
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oPGP6,
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oPGP7,
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oPGP8,
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oDE_VS,
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oRFC2440Text,
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oNoRFC2440Text,
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oCipherAlgo,
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@ -2042,7 +2043,8 @@ parse_compliance_option (const char *string)
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{ "rfc2440", oRFC2440 },
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{ "pgp6", oPGP6 },
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{ "pgp7", oPGP7 },
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{ "pgp8", oPGP8 }
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{ "pgp8", oPGP8 },
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{ "de-vs", oDE_VS }
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};
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int i;
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@ -2118,6 +2120,13 @@ set_compliance_option (enum cmd_and_opt_values option)
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case oPGP7: opt.compliance = CO_PGP7; break;
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case oPGP8: opt.compliance = CO_PGP8; break;
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case oGnuPG: opt.compliance = CO_GNUPG; break;
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case oDE_VS:
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set_compliance_option (oOpenPGP);
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opt.compliance = CO_DE_VS;
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/* Fixme: Change other options. */
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break;
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default:
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BUG ();
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}
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54
g10/keygen.c
54
g10/keygen.c
@ -1885,24 +1885,27 @@ ask_algo (ctrl_t ctrl, int addmode, int *r_subkey_algo, unsigned int *r_usage,
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tty_printf (_(" (%d) RSA and RSA (default)\n"), 1 );
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#endif
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if (!addmode)
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if (!addmode && opt.compliance != CO_DE_VS)
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tty_printf (_(" (%d) DSA and Elgamal\n"), 2 );
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tty_printf (_(" (%d) DSA (sign only)\n"), 3 );
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if (opt.compliance != CO_DE_VS)
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tty_printf (_(" (%d) DSA (sign only)\n"), 3 );
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#if GPG_USE_RSA
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tty_printf (_(" (%d) RSA (sign only)\n"), 4 );
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#endif
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if (addmode)
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{
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tty_printf (_(" (%d) Elgamal (encrypt only)\n"), 5 );
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if (opt.compliance != CO_DE_VS)
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tty_printf (_(" (%d) Elgamal (encrypt only)\n"), 5 );
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#if GPG_USE_RSA
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tty_printf (_(" (%d) RSA (encrypt only)\n"), 6 );
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#endif
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}
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if (opt.expert)
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{
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tty_printf (_(" (%d) DSA (set your own capabilities)\n"), 7 );
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if (opt.compliance != CO_DE_VS)
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tty_printf (_(" (%d) DSA (set your own capabilities)\n"), 7 );
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#if GPG_USE_RSA
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tty_printf (_(" (%d) RSA (set your own capabilities)\n"), 8 );
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#endif
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@ -1930,7 +1933,13 @@ ask_algo (ctrl_t ctrl, int addmode, int *r_subkey_algo, unsigned int *r_usage,
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answer = cpr_get ("keygen.algo", _("Your selection? "));
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cpr_kill_prompt ();
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algo = *answer? atoi (answer) : 1;
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if ((algo == 1 || !strcmp (answer, "rsa+rsa")) && !addmode)
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if (opt.compliance == CO_DE_VS
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&& (algo == 2 || algo == 3 || algo == 5 || algo == 7))
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{
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tty_printf (_("Invalid selection.\n"));
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}
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else if ((algo == 1 || !strcmp (answer, "rsa+rsa")) && !addmode)
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{
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algo = PUBKEY_ALGO_RSA;
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*r_subkey_algo = PUBKEY_ALGO_RSA;
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@ -2051,7 +2060,7 @@ static void
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get_keysize_range (int algo,
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unsigned int *min, unsigned int *def, unsigned int *max)
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{
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*min = 1024;
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*min = opt.compliance == CO_DE_VS ? 2048: 1024;
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*def = DEFAULT_STD_KEYSIZE;
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*max = 4096;
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@ -2197,26 +2206,27 @@ ask_curve (int *algo, int *subkey_algo)
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numbers in the menu regardless on how Gpg was configured. */
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struct {
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const char *name;
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int available; /* Available in Libycrypt (runtime checked) */
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int expert_only;
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const char* eddsa_curve; /* Corresponding EdDSA curve. */
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const char *pretty_name;
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int supported; /* Supported by gpg. */
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unsigned int supported : 1; /* Supported by gpg. */
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unsigned int de_vs : 1; /* Allowed in CO_DE_VS. */
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unsigned int expert_only : 1; /* Only with --expert */
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unsigned int available : 1; /* Available in Libycrypt (runtime checked) */
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} curves[] = {
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#if GPG_USE_ECDSA || GPG_USE_ECDH
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# define MY_USE_ECDSADH 1
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#else
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# define MY_USE_ECDSADH 0
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#endif
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{ "Curve25519", 0, 0, "Ed25519", "Curve 25519", GPG_USE_EDDSA },
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{ "Curve448", 0, 1, "Ed448", "Curve 448", 0/*reserved*/ },
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{ "NIST P-256", 0, 1, NULL, NULL, MY_USE_ECDSADH },
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{ "NIST P-384", 0, 0, NULL, NULL, MY_USE_ECDSADH },
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{ "NIST P-521", 0, 1, NULL, NULL, MY_USE_ECDSADH },
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{ "brainpoolP256r1", 0, 1, NULL, "Brainpool P-256", MY_USE_ECDSADH },
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{ "brainpoolP384r1", 0, 1, NULL, "Brainpool P-384", MY_USE_ECDSADH },
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{ "brainpoolP512r1", 0, 1, NULL, "Brainpool P-512", MY_USE_ECDSADH },
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{ "secp256k1", 0, 1, NULL, NULL, MY_USE_ECDSADH },
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{ "Curve25519", "Ed25519", "Curve 25519", !!GPG_USE_EDDSA, 0, 0, 0 },
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{ "Curve448", "Ed448", "Curve 448", 0/*reserved*/ , 0, 1, 0 },
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{ "NIST P-256", NULL, NULL, MY_USE_ECDSADH, 0, 1, 0 },
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{ "NIST P-384", NULL, NULL, MY_USE_ECDSADH, 0, 0, 0 },
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{ "NIST P-521", NULL, NULL, MY_USE_ECDSADH, 0, 1, 0 },
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{ "brainpoolP256r1", NULL, "Brainpool P-256", MY_USE_ECDSADH, 1, 1, 0 },
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{ "brainpoolP384r1", NULL, "Brainpool P-384", MY_USE_ECDSADH, 1, 1, 0 },
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{ "brainpoolP512r1", NULL, "Brainpool P-512", MY_USE_ECDSADH, 1, 1, 0 },
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{ "secp256k1", NULL, NULL, MY_USE_ECDSADH, 0, 1, 0 },
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};
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#undef MY_USE_ECDSADH
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int idx;
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@ -2234,7 +2244,13 @@ ask_curve (int *algo, int *subkey_algo)
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curves[idx].available = 0;
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if (!curves[idx].supported)
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continue;
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if (!opt.expert && curves[idx].expert_only)
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if (opt.compliance==CO_DE_VS)
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{
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if (!curves[idx].de_vs)
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continue; /* Not allowed. */
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}
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else if (!opt.expert && curves[idx].expert_only)
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continue;
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/* We need to switch from the ECDH name of the curve to the
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@ -1252,6 +1252,7 @@ compliance_option_string(void)
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case CO_PGP6: return "--pgp6";
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case CO_PGP7: return "--pgp7";
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case CO_PGP8: return "--pgp8";
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case CO_DE_VS: return "--compliance=de-vs";
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}
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return ver;
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@ -1287,6 +1288,10 @@ compliance_failure(void)
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case CO_PGP8:
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ver="PGP 8.x";
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break;
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case CO_DE_VS:
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ver="DE-VS applications";
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break;
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}
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log_info(_("this message may not be usable by %s\n"),ver);
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@ -140,7 +140,7 @@ struct
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enum
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{
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CO_GNUPG, CO_RFC4880, CO_RFC2440,
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CO_PGP6, CO_PGP7, CO_PGP8
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CO_PGP6, CO_PGP7, CO_PGP8, CO_DE_VS
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} compliance;
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enum
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{
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@ -327,7 +327,7 @@ EXTERN_UNLESS_MAIN_MODULE int memory_stat_debug_mode;
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/* Compatibility flags. */
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#define GNUPG (opt.compliance==CO_GNUPG)
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#define GNUPG (opt.compliance==CO_GNUPG || opt.compliance==CO_DE_VS)
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#define RFC2440 (opt.compliance==CO_RFC2440)
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#define RFC4880 (opt.compliance==CO_RFC4880)
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#define PGP6 (opt.compliance==CO_PGP6)
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