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/utils/common/sign.h | 63 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 src/utils/common/sign.h (limited to 'src/utils/common/sign.h') diff --git a/src/utils/common/sign.h b/src/utils/common/sign.h new file mode 100644 index 0000000..52f41ef --- /dev/null +++ b/src/utils/common/sign.h @@ -0,0 +1,63 @@ +/* Copyright (C) 2015 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 "libknot/packet/pkt.h" +#include "libknot/tsig.h" + +/*! + * \brief Holds data required between signing and signature verification. + */ +struct sign_context { + size_t digest_size; + uint8_t *digest; + const knot_tsig_key_t *tsig_key; +}; + +typedef struct sign_context sign_context_t; + +/*! + * \brief Initialize signing context for TSIG. + */ +int sign_context_init_tsig(sign_context_t *ctx, const knot_tsig_key_t *key); + +/*! + * \brief Clean up signing context. + * + * \param ctx Sign context. + */ +void sign_context_deinit(sign_context_t *ctx); + +/*! + * \brief Signs outgoing DNS packet. + * + * \param pkt Packet to sign. + * \param sign_ctx Signing context. + * + * \return Error code, KNOT_EOK if successful. + */ +int sign_packet(knot_pkt_t *pkt, sign_context_t *sign_ctx); + +/*! + * \brief Verifies signature for incoming DNS packet. + * + * \param pkt Packet verify sign. + * \param sign_ctx Signing context. + * + * \return Error code, KNOT_EOK if successful. + */ +int verify_packet(const knot_pkt_t *pkt, const sign_context_t *sign_ctx); -- cgit v1.2.3