116 lines
3.1 KiB
C
116 lines
3.1 KiB
C
/*
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* Copyright (C) 2002-2009 Andreas Steffen
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*
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* Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup pgpi pgp
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* @{ @ingroup pgp
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*/
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#ifndef PGP_H_
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#define PGP_H_
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typedef enum pgp_packet_tag_t pgp_packet_tag_t;
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typedef enum pgp_pubkey_alg_t pgp_pubkey_alg_t;
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typedef enum pgp_sym_alg_t pgp_sym_alg_t;
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#include <chunk.h>
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#include <enum.h>
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/**
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* OpenPGP packet tags as defined in section 4.3 of RFC 4880
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*/
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enum pgp_packet_tag_t {
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PGP_PKT_RESERVED = 0,
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PGP_PKT_PUBKEY_ENC_SESSION_KEY = 1,
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PGP_PKT_SIGNATURE = 2,
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PGP_PKT_SYMKEY_ENC_SESSION_KEY = 3,
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PGP_PKT_ONE_PASS_SIGNATURE_PKT = 4,
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PGP_PKT_SECRET_KEY = 5,
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PGP_PKT_PUBLIC_KEY = 6,
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PGP_PKT_SECRET_SUBKEY = 7,
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PGP_PKT_COMPRESSED_DATA = 8,
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PGP_PKT_SYMKEY_ENC_DATA = 9,
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PGP_PKT_MARKER = 10,
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PGP_PKT_LITERAL_DATA = 11,
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PGP_PKT_TRUST = 12,
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PGP_PKT_USER_ID = 13,
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PGP_PKT_PUBLIC_SUBKEY = 14,
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PGP_PKT_USER_ATTRIBUTE = 17,
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PGP_PKT_SYM_ENC_INT_PROT_DATA = 18,
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PGP_PKT_MOD_DETECT_CODE = 19
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};
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/**
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* Enum names for pgp_packet_tag_t
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*/
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extern enum_name_t *pgp_packet_tag_names;
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/**
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* OpenPGP public key algorithms as defined in section 9.1 of RFC 4880
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*/
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enum pgp_pubkey_alg_t {
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PGP_PUBKEY_ALG_RSA = 1,
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PGP_PUBKEY_ALG_RSA_ENC_ONLY = 2,
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PGP_PUBKEY_ALG_RSA_SIGN_ONLY = 3,
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PGP_PUBKEY_ALG_ELGAMAL_ENC_ONLY = 16,
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PGP_PUBKEY_ALG_DSA = 17,
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PGP_PUBKEY_ALG_ECC = 18,
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PGP_PUBKEY_ALG_ECDSA = 19,
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PGP_PUBKEY_ALG_ELGAMAL = 20,
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PGP_PUBKEY_ALG_DIFFIE_HELLMAN = 21,
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};
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/**
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* Enum names for pgp_pubkey_alg_t
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*/
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extern enum_name_t *pgp_pubkey_alg_names;
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/**
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* OpenPGP symmetric key algorithms as defined in section 9.2 of RFC 4880
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*/
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enum pgp_sym_alg_t {
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PGP_SYM_ALG_PLAIN = 0,
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PGP_SYM_ALG_IDEA = 1,
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PGP_SYM_ALG_3DES = 2,
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PGP_SYM_ALG_CAST5 = 3,
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PGP_SYM_ALG_BLOWFISH = 4,
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PGP_SYM_ALG_SAFER = 5,
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PGP_SYM_ALG_DES = 6,
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PGP_SYM_ALG_AES_128 = 7,
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PGP_SYM_ALG_AES_192 = 8,
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PGP_SYM_ALG_AES_256 = 9,
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PGP_SYM_ALG_TWOFISH = 10
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};
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/**
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* Enum names for pgp_sym_alg_t
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*/
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extern enum_name_t *pgp_sym_alg_names;
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#define PGP_INVALID_LENGTH 0xffffffff
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/**
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* Returns the length of an OpenPGP (RFC 4880) packet
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* The blob pointer is advanced past the length field
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*
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* @param blob pointer to an OpenPGP blob
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* @param len size of the length field
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* @return length of the next OpenPGP packet
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*/
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size_t pgp_length(chunk_t *blob, size_t len);
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#endif /** PGP_H_ @}*/
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