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a64a55e104
* common/compliance.c (gnupg_pk_is_allowed): New function. (gnupg_cipher_is_allowed): Likewise. (gnupg_digest_is_allowed): Likewise. * common/compliance.h (enum pk_use_case): New definition. (gnupg_pk_is_allowed): New prototype. (gnupg_cipher_is_allowed): Likewise. (gnupg_digest_is_allowed): Likewise. * g10/decrypt-data.c (decrypt_data): Restrict use of algorithms using the new predicates. * g10/encrypt.c (encrypt_crypt): Likewise. * g10/gpg.c (main): Likewise. * g10/pubkey-enc.c (get_session_key): Likewise. * g10/sig-check.c (check_signature2): Likewise. * g10/sign.c (do_sign): Likewise. * sm/decrypt.c (gpgsm_decrypt): Likewise. * sm/encrypt.c (gpgsm_encrypt): Likewise. * sm/gpgsm.c (main): Likewise. * sm/sign.c (gpgsm_sign): Likewise. * sm/verify.c (gpgsm_verify): Likewise. -- With this change, policies can effectively restrict what algorithms are used for different purposes. The algorithm policy for CO_DE_VS is implemented. GnuPG-bug-id: 3191 Signed-off-by: Justus Winter <justus@g10code.com>
82 lines
2.9 KiB
C
82 lines
2.9 KiB
C
/* compliance.h - Definitions for compliance modi
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* Copyright (C) 2017 g10 Code GmbH
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*
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* This file is part of GnuPG.
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*
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* This file is free software; you can redistribute it and/or modify
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* it under the terms of either
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*
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* - the GNU Lesser General Public License as published by the Free
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* Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* or
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*
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* - the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at
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* your option) any later version.
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*
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* or both in parallel, as here.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef GNUPG_COMMON_COMPLIANCE_H
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#define GNUPG_COMMON_COMPLIANCE_H
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#include <gcrypt.h>
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#include "openpgpdefs.h"
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void gnupg_initialize_compliance (int gnupg_module_name);
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enum gnupg_compliance_mode
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{
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CO_GNUPG, CO_RFC4880, CO_RFC2440,
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CO_PGP6, CO_PGP7, CO_PGP8, CO_DE_VS
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};
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enum pk_use_case
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{
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PK_USE_ENCRYPTION, PK_USE_DECRYPTION,
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PK_USE_SIGNING, PK_USE_VERIFICATION,
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};
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int gnupg_pk_is_compliant (enum gnupg_compliance_mode compliance, int algo,
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gcry_mpi_t key[], unsigned int keylength,
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const char *curvename);
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int gnupg_pk_is_allowed (enum gnupg_compliance_mode compliance,
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enum pk_use_case use, int algo, gcry_mpi_t key[],
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unsigned int keylength, const char *curvename);
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int gnupg_cipher_is_compliant (enum gnupg_compliance_mode compliance,
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cipher_algo_t cipher,
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enum gcry_cipher_modes mode);
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int gnupg_cipher_is_allowed (enum gnupg_compliance_mode compliance, int producer,
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cipher_algo_t cipher,
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enum gcry_cipher_modes mode);
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int gnupg_digest_is_compliant (enum gnupg_compliance_mode compliance,
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digest_algo_t digest);
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int gnupg_digest_is_allowed (enum gnupg_compliance_mode compliance, int producer,
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digest_algo_t digest);
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const char *gnupg_status_compliance_flag (enum gnupg_compliance_mode compliance);
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struct gnupg_compliance_option
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{
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const char *keyword;
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int value;
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};
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int gnupg_parse_compliance_option (const char *string,
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struct gnupg_compliance_option options[],
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size_t length,
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int quiet);
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const char *gnupg_compliance_option_string (enum gnupg_compliance_mode compliance);
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#endif /*GNUPG_COMMON_COMPLIANCE_H*/
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