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-rw-r--r--boost/beast/core/detail/sha1.hpp272
1 files changed, 18 insertions, 254 deletions
diff --git a/boost/beast/core/detail/sha1.hpp b/boost/beast/core/detail/sha1.hpp
index 034fb9befe..abcc307407 100644
--- a/boost/beast/core/detail/sha1.hpp
+++ b/boost/beast/core/detail/sha1.hpp
@@ -1,5 +1,5 @@
//
-// Copyright (c) 2016-2017 Vinnie Falco (vinnie dot falco at gmail dot com)
+// Copyright (c) 2016-2019 Vinnie Falco (vinnie dot falco at gmail dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -10,6 +10,8 @@
#ifndef BOOST_BEAST_DETAIL_SHA1_HPP
#define BOOST_BEAST_DETAIL_SHA1_HPP
+#include <boost/beast/core/detail/config.hpp>
+
#include <algorithm>
#include <cstdint>
#include <cstring>
@@ -34,189 +36,6 @@ static std::size_t constexpr BLOCK_INTS = 16;
static std::size_t constexpr BLOCK_BYTES = 64;
static std::size_t constexpr DIGEST_BYTES = 20;
-inline
-std::uint32_t
-rol(std::uint32_t value, std::size_t bits)
-{
- return (value << bits) | (value >> (32 - bits));
-}
-
-inline
-std::uint32_t
-blk(std::uint32_t block[BLOCK_INTS], std::size_t i)
-{
- return rol(
- block[(i+13)&15] ^ block[(i+8)&15] ^
- block[(i+2)&15] ^ block[i], 1);
-}
-
-inline
-void
-R0(std::uint32_t block[BLOCK_INTS], std::uint32_t v,
- std::uint32_t &w, std::uint32_t x, std::uint32_t y,
- std::uint32_t &z, std::size_t i)
-{
- z += ((w&(x^y))^y) + block[i] + 0x5a827999 + rol(v, 5);
- w = rol(w, 30);
-}
-
-
-inline
-void
-R1(std::uint32_t block[BLOCK_INTS], std::uint32_t v,
- std::uint32_t &w, std::uint32_t x, std::uint32_t y,
- std::uint32_t &z, std::size_t i)
-{
- block[i] = blk(block, i);
- z += ((w&(x^y))^y) + block[i] + 0x5a827999 + rol(v, 5);
- w = rol(w, 30);
-}
-
-inline
-void
-R2(std::uint32_t block[BLOCK_INTS], std::uint32_t v,
- std::uint32_t &w, std::uint32_t x, std::uint32_t y,
- std::uint32_t &z, std::size_t i)
-{
- block[i] = blk(block, i);
- z += (w^x^y) + block[i] + 0x6ed9eba1 + rol(v, 5);
- w = rol(w, 30);
-}
-
-inline
-void
-R3(std::uint32_t block[BLOCK_INTS], std::uint32_t v,
- std::uint32_t &w, std::uint32_t x, std::uint32_t y,
- std::uint32_t &z, std::size_t i)
-{
- block[i] = blk(block, i);
- z += (((w|x)&y)|(w&x)) + block[i] + 0x8f1bbcdc + rol(v, 5);
- w = rol(w, 30);
-}
-
-inline
-void
-R4(std::uint32_t block[BLOCK_INTS], std::uint32_t v,
- std::uint32_t &w, std::uint32_t x, std::uint32_t y,
- std::uint32_t &z, std::size_t i)
-{
- block[i] = blk(block, i);
- z += (w^x^y) + block[i] + 0xca62c1d6 + rol(v, 5);
- w = rol(w, 30);
-}
-
-inline
-void
-make_block(std::uint8_t const* p,
- std::uint32_t block[BLOCK_INTS])
-{
- for(std::size_t i = 0; i < BLOCK_INTS; i++)
- block[i] =
- (static_cast<std::uint32_t>(p[4*i+3])) |
- (static_cast<std::uint32_t>(p[4*i+2]))<< 8 |
- (static_cast<std::uint32_t>(p[4*i+1]))<<16 |
- (static_cast<std::uint32_t>(p[4*i+0]))<<24;
-}
-
-template<class = void>
-void
-transform(
- std::uint32_t digest[], std::uint32_t block[BLOCK_INTS])
-{
- std::uint32_t a = digest[0];
- std::uint32_t b = digest[1];
- std::uint32_t c = digest[2];
- std::uint32_t d = digest[3];
- std::uint32_t e = digest[4];
-
- R0(block, a, b, c, d, e, 0);
- R0(block, e, a, b, c, d, 1);
- R0(block, d, e, a, b, c, 2);
- R0(block, c, d, e, a, b, 3);
- R0(block, b, c, d, e, a, 4);
- R0(block, a, b, c, d, e, 5);
- R0(block, e, a, b, c, d, 6);
- R0(block, d, e, a, b, c, 7);
- R0(block, c, d, e, a, b, 8);
- R0(block, b, c, d, e, a, 9);
- R0(block, a, b, c, d, e, 10);
- R0(block, e, a, b, c, d, 11);
- R0(block, d, e, a, b, c, 12);
- R0(block, c, d, e, a, b, 13);
- R0(block, b, c, d, e, a, 14);
- R0(block, a, b, c, d, e, 15);
- R1(block, e, a, b, c, d, 0);
- R1(block, d, e, a, b, c, 1);
- R1(block, c, d, e, a, b, 2);
- R1(block, b, c, d, e, a, 3);
- R2(block, a, b, c, d, e, 4);
- R2(block, e, a, b, c, d, 5);
- R2(block, d, e, a, b, c, 6);
- R2(block, c, d, e, a, b, 7);
- R2(block, b, c, d, e, a, 8);
- R2(block, a, b, c, d, e, 9);
- R2(block, e, a, b, c, d, 10);
- R2(block, d, e, a, b, c, 11);
- R2(block, c, d, e, a, b, 12);
- R2(block, b, c, d, e, a, 13);
- R2(block, a, b, c, d, e, 14);
- R2(block, e, a, b, c, d, 15);
- R2(block, d, e, a, b, c, 0);
- R2(block, c, d, e, a, b, 1);
- R2(block, b, c, d, e, a, 2);
- R2(block, a, b, c, d, e, 3);
- R2(block, e, a, b, c, d, 4);
- R2(block, d, e, a, b, c, 5);
- R2(block, c, d, e, a, b, 6);
- R2(block, b, c, d, e, a, 7);
- R3(block, a, b, c, d, e, 8);
- R3(block, e, a, b, c, d, 9);
- R3(block, d, e, a, b, c, 10);
- R3(block, c, d, e, a, b, 11);
- R3(block, b, c, d, e, a, 12);
- R3(block, a, b, c, d, e, 13);
- R3(block, e, a, b, c, d, 14);
- R3(block, d, e, a, b, c, 15);
- R3(block, c, d, e, a, b, 0);
- R3(block, b, c, d, e, a, 1);
- R3(block, a, b, c, d, e, 2);
- R3(block, e, a, b, c, d, 3);
- R3(block, d, e, a, b, c, 4);
- R3(block, c, d, e, a, b, 5);
- R3(block, b, c, d, e, a, 6);
- R3(block, a, b, c, d, e, 7);
- R3(block, e, a, b, c, d, 8);
- R3(block, d, e, a, b, c, 9);
- R3(block, c, d, e, a, b, 10);
- R3(block, b, c, d, e, a, 11);
- R4(block, a, b, c, d, e, 12);
- R4(block, e, a, b, c, d, 13);
- R4(block, d, e, a, b, c, 14);
- R4(block, c, d, e, a, b, 15);
- R4(block, b, c, d, e, a, 0);
- R4(block, a, b, c, d, e, 1);
- R4(block, e, a, b, c, d, 2);
- R4(block, d, e, a, b, c, 3);
- R4(block, c, d, e, a, b, 4);
- R4(block, b, c, d, e, a, 5);
- R4(block, a, b, c, d, e, 6);
- R4(block, e, a, b, c, d, 7);
- R4(block, d, e, a, b, c, 8);
- R4(block, c, d, e, a, b, 9);
- R4(block, b, c, d, e, a, 10);
- R4(block, a, b, c, d, e, 11);
- R4(block, e, a, b, c, d, 12);
- R4(block, d, e, a, b, c, 13);
- R4(block, c, d, e, a, b, 14);
- R4(block, b, c, d, e, a, 15);
-
- digest[0] += a;
- digest[1] += b;
- digest[2] += c;
- digest[3] += d;
- digest[4] += e;
-}
-
} // sha1
struct sha1_context
@@ -230,84 +49,29 @@ struct sha1_context
std::uint8_t buf[block_size];
};
-template<class = void>
+BOOST_BEAST_DECL
void
-init(sha1_context& ctx) noexcept
-{
- ctx.buflen = 0;
- ctx.blocks = 0;
- ctx.digest[0] = 0x67452301;
- ctx.digest[1] = 0xefcdab89;
- ctx.digest[2] = 0x98badcfe;
- ctx.digest[3] = 0x10325476;
- ctx.digest[4] = 0xc3d2e1f0;
-}
+init(sha1_context& ctx) noexcept;
-template<class = void>
+BOOST_BEAST_DECL
void
-update(sha1_context& ctx,
- void const* message, std::size_t size) noexcept
-{
- auto p = static_cast<
- std::uint8_t const*>(message);
- for(;;)
- {
- auto const n = (std::min)(
- size, sizeof(ctx.buf) - ctx.buflen);
- std::memcpy(ctx.buf + ctx.buflen, p, n);
- ctx.buflen += n;
- if(ctx.buflen != 64)
- return;
- p += n;
- size -= n;
- ctx.buflen = 0;
- std::uint32_t block[sha1::BLOCK_INTS];
- sha1::make_block(ctx.buf, block);
- sha1::transform(ctx.digest, block);
- ++ctx.blocks;
- }
-}
+update(
+ sha1_context& ctx,
+ void const* message,
+ std::size_t size) noexcept;
-template<class = void>
+BOOST_BEAST_DECL
void
-finish(sha1_context& ctx, void* digest) noexcept
-{
- using sha1::BLOCK_INTS;
- using sha1::BLOCK_BYTES;
-
- std::uint64_t total_bits =
- (ctx.blocks*64 + ctx.buflen) * 8;
- // pad
- ctx.buf[ctx.buflen++] = 0x80;
- auto const buflen = ctx.buflen;
- while(ctx.buflen < 64)
- ctx.buf[ctx.buflen++] = 0x00;
- std::uint32_t block[BLOCK_INTS];
- sha1::make_block(ctx.buf, block);
- if(buflen > BLOCK_BYTES - 8)
- {
- sha1::transform(ctx.digest, block);
- for(size_t i = 0; i < BLOCK_INTS - 2; i++)
- block[i] = 0;
- }
-
- /* Append total_bits, split this uint64_t into two uint32_t */
- block[BLOCK_INTS - 1] = total_bits & 0xffffffff;
- block[BLOCK_INTS - 2] = (total_bits >> 32);
- sha1::transform(ctx.digest, block);
- for(std::size_t i = 0; i < sha1::DIGEST_BYTES/4; i++)
- {
- std::uint8_t* d =
- static_cast<std::uint8_t*>(digest) + 4 * i;
- d[3] = ctx.digest[i] & 0xff;
- d[2] = (ctx.digest[i] >> 8) & 0xff;
- d[1] = (ctx.digest[i] >> 16) & 0xff;
- d[0] = (ctx.digest[i] >> 24) & 0xff;
- }
-}
+finish(
+ sha1_context& ctx,
+ void* digest) noexcept;
} // detail
} // beast
} // boost
+#ifdef BOOST_BEAST_HEADER_ONLY
+#include <boost/beast/core/detail/sha1.ipp>
+#endif
+
#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 19:54:02 +0000