| 1 | // |
|---|---|
| 2 | // Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com) |
| 3 | // |
| 4 | // Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 5 | // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
| 6 | // |
| 7 | // Official repository: https://github.com/boostorg/beast |
| 8 | // |
| 9 | |
| 10 | #ifndef BOOST_BEAST_DETAIL_SHA1_HPP |
| 11 | #define BOOST_BEAST_DETAIL_SHA1_HPP |
| 12 | |
| 13 | #include <boost/beast/core/detail/config.hpp> |
| 14 | #include <cstdint> |
| 15 | #include <cstddef> |
| 16 | |
| 17 | // Based on https://github.com/vog/sha1 |
| 18 | /* |
| 19 | Original authors: |
| 20 | Steve Reid (Original C Code) |
| 21 | Bruce Guenter (Small changes to fit into bglibs) |
| 22 | Volker Grabsch (Translation to simpler C++ Code) |
| 23 | Eugene Hopkinson (Safety improvements) |
| 24 | Vincent Falco (beast adaptation) |
| 25 | */ |
| 26 | |
| 27 | namespace boost { |
| 28 | namespace beast { |
| 29 | namespace detail { |
| 30 | |
| 31 | namespace sha1 { |
| 32 | |
| 33 | static std::size_t constexpr BLOCK_INTS = 16; |
| 34 | static std::size_t constexpr BLOCK_BYTES = 64; |
| 35 | static std::size_t constexpr DIGEST_BYTES = 20; |
| 36 | |
| 37 | } // sha1 |
| 38 | |
| 39 | struct sha1_context |
| 40 | { |
| 41 | static unsigned int constexpr block_size = sha1::BLOCK_BYTES; |
| 42 | static unsigned int constexpr digest_size = 20; |
| 43 | |
| 44 | std::size_t buflen; |
| 45 | std::size_t blocks; |
| 46 | std::uint32_t digest[5]; |
| 47 | std::uint8_t buf[block_size]; |
| 48 | }; |
| 49 | |
| 50 | BOOST_BEAST_DECL |
| 51 | void |
| 52 | init(sha1_context& ctx) noexcept; |
| 53 | |
| 54 | BOOST_BEAST_DECL |
| 55 | void |
| 56 | update( |
| 57 | sha1_context& ctx, |
| 58 | void const* message, |
| 59 | std::size_t size) noexcept; |
| 60 | |
| 61 | BOOST_BEAST_DECL |
| 62 | void |
| 63 | finish( |
| 64 | sha1_context& ctx, |
| 65 | void* digest) noexcept; |
| 66 | |
| 67 | } // detail |
| 68 | } // beast |
| 69 | } // boost |
| 70 | |
| 71 | #ifdef BOOST_BEAST_HEADER_ONLY |
| 72 | #include <boost/beast/core/detail/sha1.ipp> |
| 73 | #endif |
| 74 | |
| 75 | #endif |
| 76 |