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66 lines
2.0 KiB
66 lines
2.0 KiB
/* |
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* Copyright (C) 2011-2019 Daniel Scharrer |
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* |
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* This software is provided 'as-is', without any express or implied |
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* warranty. In no event will the author(s) be held liable for any damages |
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* arising from the use of this software. |
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* |
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* Permission is granted to anyone to use this software for any purpose, |
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* including commercial applications, and to alter it and redistribute it |
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* freely, subject to the following restrictions: |
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* |
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* 1. The origin of this software must not be misrepresented; you must not |
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* claim that you wrote the original software. If you use this software |
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* in a product, an acknowledgment in the product documentation would be |
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* appreciated but is not required. |
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* 2. Altered source versions must be plainly marked as such, and must not be |
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* misrepresented as being the original software. |
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* 3. This notice may not be removed or altered from any source distribution. |
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*/ |
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#include "crypto/hasher.hpp" |
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namespace crypto { |
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hasher::hasher(checksum_type type) : active_type(type) { |
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switch(active_type) { |
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case crypto::None: break; |
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case crypto::Adler32: adler32.init(); break; |
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case crypto::CRC32: crc32.init(); break; |
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case crypto::MD5: md5.init(); break; |
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case crypto::SHA1: sha1.init(); break; |
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}; |
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} |
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void hasher::update(const char * data, size_t size) { |
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switch(active_type) { |
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case crypto::None: break; |
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case crypto::Adler32: adler32.update(data, size); break; |
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case crypto::CRC32: crc32.update(data, size); break; |
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case crypto::MD5: md5.update(data, size); break; |
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case crypto::SHA1: sha1.update(data, size); break; |
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}; |
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} |
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checksum hasher::finalize() { |
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checksum result; |
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result.type = active_type; |
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switch(active_type) { |
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case crypto::None: break; |
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case crypto::Adler32: result.adler32 = adler32.finalize(); break; |
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case crypto::CRC32: result.crc32 = crc32.finalize(); break; |
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case crypto::MD5: md5.finalize(result.md5); break; |
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case crypto::SHA1: sha1.finalize(result.sha1); break; |
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}; |
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return result; |
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} |
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} // namespace crypto
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