diff options
Diffstat (limited to 'include/linux/mpi.h')
| -rw-r--r-- | include/linux/mpi.h | 97 |
1 files changed, 24 insertions, 73 deletions
diff --git a/include/linux/mpi.h b/include/linux/mpi.h index 1cc5ffb769af..47be46f36435 100644 --- a/include/linux/mpi.h +++ b/include/linux/mpi.h @@ -1,23 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* mpi.h - Multi Precision Integers * Copyright (C) 1994, 1996, 1998, 1999, * 2000, 2001 Free Software Foundation, Inc. * * This file is part of GNUPG. * - * GNUPG is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * GNUPG is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - * * Note: This code is heavily based on the GNU MP Library. * Actually it's the same code with only minor changes in the * way the data is stored; this is to support the abstraction @@ -53,100 +40,64 @@ struct gcry_mpi { typedef struct gcry_mpi *MPI; #define mpi_get_nlimbs(a) ((a)->nlimbs) -#define mpi_is_neg(a) ((a)->sign) /*-- mpiutil.c --*/ MPI mpi_alloc(unsigned nlimbs); -MPI mpi_alloc_secure(unsigned nlimbs); -MPI mpi_alloc_like(MPI a); void mpi_free(MPI a); int mpi_resize(MPI a, unsigned nlimbs); -int mpi_copy(MPI *copy, const MPI a); -void mpi_clear(MPI a); -int mpi_set(MPI w, MPI u); -int mpi_set_ui(MPI w, ulong u); -MPI mpi_alloc_set_ui(unsigned long u); -void mpi_m_check(MPI a); -void mpi_swap(MPI a, MPI b); + +MPI mpi_copy(MPI a); /*-- mpicoder.c --*/ -MPI do_encode_md(const void *sha_buffer, unsigned nbits); MPI mpi_read_raw_data(const void *xbuffer, size_t nbytes); MPI mpi_read_from_buffer(const void *buffer, unsigned *ret_nread); MPI mpi_read_raw_from_sgl(struct scatterlist *sgl, unsigned int len); -int mpi_fromstr(MPI val, const char *str); -u32 mpi_get_keyid(MPI a, u32 *keyid); void *mpi_get_buffer(MPI a, unsigned *nbytes, int *sign); int mpi_read_buffer(MPI a, uint8_t *buf, unsigned buf_len, unsigned *nbytes, int *sign); -void *mpi_get_secure_buffer(MPI a, unsigned *nbytes, int *sign); int mpi_write_to_sgl(MPI a, struct scatterlist *sg, unsigned nbytes, int *sign); -#define log_mpidump g10_log_mpidump - -/*-- mpi-add.c --*/ -int mpi_add_ui(MPI w, MPI u, ulong v); -int mpi_add(MPI w, MPI u, MPI v); -int mpi_addm(MPI w, MPI u, MPI v, MPI m); -int mpi_sub_ui(MPI w, MPI u, ulong v); -int mpi_sub(MPI w, MPI u, MPI v); -int mpi_subm(MPI w, MPI u, MPI v, MPI m); - -/*-- mpi-mul.c --*/ -int mpi_mul_ui(MPI w, MPI u, ulong v); -int mpi_mul_2exp(MPI w, MPI u, ulong cnt); -int mpi_mul(MPI w, MPI u, MPI v); -int mpi_mulm(MPI w, MPI u, MPI v, MPI m); - -/*-- mpi-div.c --*/ -ulong mpi_fdiv_r_ui(MPI rem, MPI dividend, ulong divisor); -int mpi_fdiv_r(MPI rem, MPI dividend, MPI divisor); -int mpi_fdiv_q(MPI quot, MPI dividend, MPI divisor); -int mpi_fdiv_qr(MPI quot, MPI rem, MPI dividend, MPI divisor); -int mpi_tdiv_r(MPI rem, MPI num, MPI den); -int mpi_tdiv_qr(MPI quot, MPI rem, MPI num, MPI den); -int mpi_tdiv_q_2exp(MPI w, MPI u, unsigned count); -int mpi_divisible_ui(const MPI dividend, ulong divisor); - -/*-- mpi-gcd.c --*/ -int mpi_gcd(MPI g, const MPI a, const MPI b); +/*-- mpi-mod.c --*/ +int mpi_mod(MPI rem, MPI dividend, MPI divisor); /*-- mpi-pow.c --*/ -int mpi_pow(MPI w, MPI u, MPI v); int mpi_powm(MPI res, MPI base, MPI exp, MPI mod); -/*-- mpi-mpow.c --*/ -int mpi_mulpowm(MPI res, MPI *basearray, MPI *exparray, MPI mod); - /*-- mpi-cmp.c --*/ int mpi_cmp_ui(MPI u, ulong v); int mpi_cmp(MPI u, MPI v); -/*-- mpi-scan.c --*/ -int mpi_getbyte(MPI a, unsigned idx); -void mpi_putbyte(MPI a, unsigned idx, int value); -unsigned mpi_trailing_zeros(MPI a); +/*-- mpi-sub-ui.c --*/ +int mpi_sub_ui(MPI w, MPI u, unsigned long vval); /*-- mpi-bit.c --*/ void mpi_normalize(MPI a); unsigned mpi_get_nbits(MPI a); -int mpi_test_bit(MPI a, unsigned n); -int mpi_set_bit(MPI a, unsigned n); -int mpi_set_highbit(MPI a, unsigned n); -void mpi_clear_highbit(MPI a, unsigned n); -void mpi_clear_bit(MPI a, unsigned n); -int mpi_rshift(MPI x, MPI a, unsigned n); +int mpi_test_bit(MPI a, unsigned int n); +int mpi_set_bit(MPI a, unsigned int n); +int mpi_rshift(MPI x, MPI a, unsigned int n); + +/*-- mpi-add.c --*/ +int mpi_add(MPI w, MPI u, MPI v); +int mpi_sub(MPI w, MPI u, MPI v); +int mpi_addm(MPI w, MPI u, MPI v, MPI m); +int mpi_subm(MPI w, MPI u, MPI v, MPI m); + +/*-- mpi-mul.c --*/ +int mpi_mul(MPI w, MPI u, MPI v); +int mpi_mulm(MPI w, MPI u, MPI v, MPI m); -/*-- mpi-inv.c --*/ -int mpi_invm(MPI x, MPI u, MPI v); +/*-- mpi-div.c --*/ +int mpi_tdiv_r(MPI rem, MPI num, MPI den); +int mpi_fdiv_r(MPI rem, MPI dividend, MPI divisor); /* inline functions */ /** * mpi_get_size() - returns max size required to store the number * - * @a: A multi precision integer for which we want to allocate a bufer + * @a: A multi precision integer for which we want to allocate a buffer * * Return: size required to store the number */ |