From b045529c40c83601909dca7b76a53498e9a70f33 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 Apr 2024 21:05:44 +0200 Subject: Adding upstream version 3.3.4. Signed-off-by: Daniel Baumann --- src/libdnssec/shared/bignum.h | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 src/libdnssec/shared/bignum.h (limited to 'src/libdnssec/shared/bignum.h') diff --git a/src/libdnssec/shared/bignum.h b/src/libdnssec/shared/bignum.h new file mode 100644 index 0000000..e4ddede --- /dev/null +++ b/src/libdnssec/shared/bignum.h @@ -0,0 +1,41 @@ +/* Copyright (C) 2018 CZ.NIC, z.s.p.o. + + This program 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 3 of the License, or + (at your option) any later version. + + This program 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, see . + */ + +#pragma once + +#include + +#include "libdnssec/binary.h" +#include "contrib/wire_ctx.h" + +/*! + * Size needed to write unsigned number in unsigned encoding. + */ +size_t bignum_size_u(const dnssec_binary_t *value); + +/*! + * Size needed to write unsigned number in signed encoding. + * + * Signed encoding expects the MSB to be zero. + */ +size_t bignum_size_s(const dnssec_binary_t *value); + +/*! + * Write unsigned number on a fixed width in a big-endian byte order. + * + * The destination size has to be set properly to accommodate used encoding. + */ +void bignum_write(wire_ctx_t *ctx, size_t width, const dnssec_binary_t *value); -- cgit v1.2.3