From 830407e88f9d40d954356c3754f2647f91d5c06a Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:26:00 +0200 Subject: Adding upstream version 5.6.0. Signed-off-by: Daniel Baumann --- lib/cookies/nonce.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 lib/cookies/nonce.h (limited to 'lib/cookies/nonce.h') diff --git a/lib/cookies/nonce.h b/lib/cookies/nonce.h new file mode 100644 index 0000000..6c2970f --- /dev/null +++ b/lib/cookies/nonce.h @@ -0,0 +1,31 @@ +/* Copyright (C) CZ.NIC, z.s.p.o. + * SPDX-License-Identifier: GPL-3.0-or-later + */ + +#pragma once + +#include "lib/defines.h" + +/* RFC7873 Appendix B.2 mentions an algorithm using two values before the + * actual server cookie hash. */ + +/** Nonce value length. */ +#define KR_NONCE_LEN 8 + +/** Input data to generate nonce from. */ +struct kr_nonce_input { + uint32_t rand; /**< some random value */ + uint32_t time; /**< time stamp */ +}; + +/** + * @brief Writes server cookie nonce value into given buffer. + * + * @param buf buffer to write nonce data in wire format into + * @param buf_len buffer size + * @param input data to generate wire data from + * @return non-zero size of written data on success, 0 on failure + */ +KR_EXPORT +uint16_t kr_nonce_write_wire(uint8_t *buf, uint16_t buf_len, + const struct kr_nonce_input *input); -- cgit v1.2.3