82 lines
2.8 KiB
C
82 lines
2.8 KiB
C
/*
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* This file is part of the Pico OpenPGP distribution (https://github.com/polhenarejos/pico-openpgp).
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* Copyright (c) 2022 Pol Henarejos.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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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
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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 <http://www.gnu.org/licenses/>.
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*/
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#ifndef __OPENPGP_H_
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#define __OPENPGP_H_
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#include "stdlib.h"
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#if !defined(ENABLE_EMULATION) && !defined(ESP_PLATFORM)
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#include <pico/stdlib.h>
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#endif
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#include "pico_keys.h"
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#include "apdu.h"
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#include "mbedtls/rsa.h"
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#include "mbedtls/ecdsa.h"
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#include "crypto_utils.h"
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#include "files.h"
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extern bool has_pw1;
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extern bool has_pw2;
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extern bool has_pw3;
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extern bool has_rc;
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extern uint8_t session_pw1[32];
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extern uint8_t session_rc[32];
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extern uint8_t session_pw3[32];
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extern uint8_t dek[IV_SIZE + 32];
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extern int store_keys(void *key_ctx, int type, uint16_t key_id, bool use_kek);
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extern void make_rsa_response(mbedtls_rsa_context *rsa);
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extern void make_ecdsa_response(mbedtls_ecdsa_context *ecdsa);
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extern int ecdsa_sign(mbedtls_ecdsa_context *ctx,
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const uint8_t *data,
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size_t data_len,
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uint8_t *out,
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size_t *out_len);
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extern int rsa_sign(mbedtls_rsa_context *ctx,
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const uint8_t *data,
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size_t data_len,
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uint8_t *out,
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size_t *out_len);
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extern int load_private_key_rsa(mbedtls_rsa_context *ctx, file_t *fkey, bool use_dek);
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extern int load_private_key_ecdsa(mbedtls_ecdsa_context *ctx, file_t *fkey, bool use_dek);
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extern int pin_reset_retries(const file_t *pin, bool force);
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#define ALGO_RSA 0x01
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#define ALGO_ECDH 0x12
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#define ALGO_ECDSA 0x13
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#define ALGO_AES 0x70
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#define ALGO_AES_128 0x71
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#define ALGO_AES_192 0x72
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#define ALGO_AES_256 0x74
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extern void select_file(file_t *pe);
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extern int parse_do(uint16_t *fids, int mode);
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extern int load_dek();
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extern int check_pin(const file_t *pin, const uint8_t *data, size_t len);
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extern mbedtls_ecp_group_id get_ec_group_id_from_attr(const uint8_t *algo, size_t algo_len);
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extern int reset_sig_count();
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extern uint16_t algo_dec, algo_aut, pk_dec, pk_aut;
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extern bool wait_button_pressed(uint16_t fid);
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extern void scan_files();
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extern int load_aes_key(uint8_t *aes_key, file_t *fkey);
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extern int inc_sig_count();
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extern int dek_encrypt(uint8_t *data, size_t len);
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extern int dek_decrypt(uint8_t *data, size_t len);
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#endif
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