/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/* Simple class for computing SHA1. */
#ifndef mozilla_SHA1_h #define mozilla_SHA1_h
#include"mozilla/Types.h"
#include <stddef.h> #include <stdint.h>
namespace mozilla {
/** * This class computes the SHA1 hash of a byte sequence, or of the concatenation * of multiple sequences. For example, computing the SHA1 of two sequences of * bytes could be done as follows: * * void SHA1(const uint8_t* buf1, uint32_t size1, * const uint8_t* buf2, uint32_t size2, * SHA1Sum::Hash& hash) * { * SHA1Sum s; * s.update(buf1, size1); * s.update(buf2, size2); * s.finish(hash); * } * * The finish method may only be called once and cannot be followed by calls * to update.
*/ class SHA1Sum { union {
uint32_t mW[16]; /* input buffer */
uint8_t mB[64];
} mU;
uint64_t mSize; /* count of hashed bytes. */ unsigned mH[22]; /* 5 state variables, 16 tmp values, 1 extra */ bool mDone;
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