mirror of
https://github.com/OpenVPN/openvpn3.git
synced 2024-09-20 04:02:15 +02:00
04b2a3c9b7
Signed-off-by: Samuli Seppänen <samuli@openvpn.net>
80 lines
2.1 KiB
C++
80 lines
2.1 KiB
C++
// OpenVPN -- An application to securely tunnel IP networks
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// over a single port, with support for SSL/TLS-based
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// session authentication and key exchange,
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// packet encryption, packet authentication, and
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// packet compression.
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//
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// Copyright (C) 2012-2016 OpenVPN Technologies, Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License Version 3
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// as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program in the COPYING file.
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// If not, see <http://www.gnu.org/licenses/>.
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#ifndef OPENVPN_CRYPTO_HASHSTR_H
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#define OPENVPN_CRYPTO_HASHSTR_H
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#include <string>
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#include <openvpn/buffer/buffer.hpp>
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#include <openvpn/common/hexstr.hpp>
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#include <openvpn/crypto/digestapi.hpp>
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namespace openvpn {
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class HashString
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{
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public:
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HashString(DigestFactory& digest_factory,
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const CryptoAlgs::Type digest_type)
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: ctx(digest_factory.new_digest(digest_type))
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{
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}
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void update(const std::string& str)
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{
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ctx->update((unsigned char *)str.c_str(), str.length());
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}
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void update(const char *str)
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{
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ctx->update((unsigned char *)str, std::strlen(str));
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}
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void update(const char c)
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{
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ctx->update((unsigned char *)&c, 1);
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}
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void update(const Buffer& buf)
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{
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ctx->update(buf.c_data(), buf.size());
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}
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BufferPtr final()
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{
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BufferPtr ret(new BufferAllocated(ctx->size(), BufferAllocated::ARRAY));
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ctx->final(ret->data());
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return ret;
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}
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std::string final_hex()
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{
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BufferPtr bp = final();
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return render_hex_generic(*bp);
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}
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private:
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DigestInstance::Ptr ctx;
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};
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}
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#endif
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