2b40ad29c0
Signed-off-by: Aris Adamantiadis <aris@0xbadc0de.be> Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
109 строки
3.6 KiB
C
109 строки
3.6 KiB
C
/*
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* This file is part of the SSH Library
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*
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* Copyright (c) 2017 Sartura d.o.o.
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*
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* Author: Juraj Vijtiuk <juraj.vijtiuk@sartura.hr>
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*
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* The SSH Library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or (at your
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* option) any later version.
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*
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* The SSH Library 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 Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with the SSH Library; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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* MA 02111-1307, USA.
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*/
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#ifndef LIBMBEDCRYPTO_H_
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#define LIBMBEDCRYPTO_H_
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#include "config.h"
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#ifdef HAVE_LIBMBEDCRYPTO
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#include <mbedtls/md.h>
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#include <mbedtls/bignum.h>
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#include <mbedtls/pk.h>
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#include <mbedtls/cipher.h>
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#include <mbedtls/entropy.h>
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#include <mbedtls/ctr_drbg.h>
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typedef mbedtls_md_context_t *SHACTX;
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typedef mbedtls_md_context_t *SHA256CTX;
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typedef mbedtls_md_context_t *SHA384CTX;
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typedef mbedtls_md_context_t *SHA512CTX;
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typedef mbedtls_md_context_t *MD5CTX;
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typedef mbedtls_md_context_t *HMACCTX;
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typedef mbedtls_md_context_t *EVPCTX;
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#define SHA_DIGEST_LENGTH 20
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#define SHA_DIGEST_LEN SHA_DIGEST_LENGTH
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#define MD5_DIGEST_LEN 16
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#define SHA256_DIGEST_LENGTH 32
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#define SHA256_DIGEST_LEN SHA256_DIGEST_LENGTH
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#define SHA384_DIGEST_LENGTH 48
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#define SHA384_DIGEST_LEN SHA384_DIGEST_LENGTH
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#define SHA512_DIGEST_LENGTH 64
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#define SHA512_DIGEST_LEN SHA512_DIGEST_LENGTH
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#ifndef EVP_MAX_MD_SIZE
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#define EVP_MAX_MD_SIZE 64
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#endif
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#define EVP_DIGEST_LEN EVP_MAX_MD_SIZE
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typedef mbedtls_mpi *bignum;
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/* Constants for curves */
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#define NID_mbedtls_nistp256 0
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#define NID_mbedtls_nistp384 1
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#define NID_mbedtls_nistp521 2
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struct mbedtls_ecdsa_sig {
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bignum r;
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bignum s;
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};
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bignum ssh_mbedcry_bn_new(void);
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void ssh_mbedcry_bn_free(bignum num);
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char *ssh_mbedcry_bn2num(bignum num, int radix);
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int ssh_mbedcry_rand(bignum rnd, int bits, int top, int bottom);
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int ssh_mbedcry_is_bit_set(bignum num, size_t pos);
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#define bignum_new() ssh_mbedcry_bn_new()
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#define bignum_free(num) ssh_mbedcry_bn_free(num);
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#define bignum_set_word(bn, n) mbedtls_mpi_lset(bn, n) /* TODO fix
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overflow/underflow */
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#define bignum_bin2bn(data, datalen, bn) mbedtls_mpi_read_binary(bn, data, \
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datalen)
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#define bignum_bn2dec(num) ssh_mbedcry_bn2num(num, 10)
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#define bignum_dec2bn(data, bn) mbedtls_mpi_read_string(bn, 10, data)
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#define bignum_bn2hex(num) ssh_mbedcry_bn2num(num, 16)
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#define bignum_rand(rnd, bits) ssh_mbedcry_rand((rnd), (bits), 0, 1)
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#define bignum_mod_exp(dest, generator, exp, modulo, ctx) \
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mbedtls_mpi_exp_mod(dest, generator, exp, modulo, NULL)
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#define bignum_num_bytes(num) mbedtls_mpi_size(num)
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#define bignum_num_bits(num) mbedtls_mpi_bitlen(num)
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#define bignum_is_bit_set(num, bit) ssh_mbedcry_is_bit_set(num, bit)
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#define bignum_bn2bin(num, ptr) mbedtls_mpi_write_binary(num, ptr, \
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mbedtls_mpi_size(num))
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#define bignum_cmp(num1, num2) mbedtls_mpi_cmp_mpi(num1, num2)
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mbedtls_entropy_context ssh_mbedtls_entropy;
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mbedtls_ctr_drbg_context ssh_mbedtls_ctr_drbg;
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int ssh_mbedtls_random(void *where, int len, int strong);
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ssh_string make_ecpoint_string(const mbedtls_ecp_group *g, const
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mbedtls_ecp_point *p);
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#endif /* HAVE_LIBMBEDCRYPTO */
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#endif /* LIBMBEDCRYPTO_H_ */
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