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authorbigbiff bigbiff <bigbiff@teamw.in>2016-08-19 23:43:45 +0200
committerEthan Yonker <dees_troy@teamw.in>2017-06-17 14:05:45 +0200
commit56cf56465857e79e814b1e2d50f13e176170fcb3 (patch)
tree33b1ed63aa4e51f6e49fda5bd6ccb204e1e8fdab /twrpDigest/twrpSHA.hpp
parentMerge "Fix minui issues for some build trees" into android-7.1 (diff)
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diff --git a/twrpDigest/twrpSHA.hpp b/twrpDigest/twrpSHA.hpp
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+/*
+ Copyright 2012 to 2017 TeamWin
+ This file is part of TWRP/TeamWin Recovery Project.
+
+ TWRP is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ TWRP is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with TWRP. If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef __TWRPSHA_H
+#define __TWRPSHA_H
+
+#include <openssl/sha.h>
+#include "twrpDigest.hpp"
+
+class twrpSHA256: public twrpDigest {
+public:
+ twrpSHA256(); // Initialize the SHA256 digest for streaming activities only
+ void init(); // Initialize the SHA256 digest algorithm
+
+protected:
+ void update(const unsigned char* stream, size_t len); // Update the SHA256 digest stream
+ void finalize(); // Finalize the SHA256 digest for computation
+ std::string return_digest_string(); // Return the digest string computed to the callee
+
+private:
+ uint8_t sha256_store[SHA256_DIGEST_LENGTH]; // Initialize the SHA256 digest array that holds the computation
+ SHA256_CTX sha256_ctx; // Initialize the SHA256 control structure
+};
+
+class twrpSHA512: public twrpDigest {
+public:
+ twrpSHA512(); // Initialize the SHA512 digest for streaming activities only
+ void init(); // Initialize the SHA512 digest algorithm
+
+protected:
+ void update(const unsigned char* stream, size_t len); // Update the SHA512 digest stream
+ void finalize(); // Finalize the SHA512 digest for computation
+ std::string return_digest_string(); // Return the digest string computed to the callee
+
+private:
+ uint8_t sha512_store[SHA512_DIGEST_LENGTH]; // Initialize the SHA512 digest array that holds the computation
+ SHA512_CTX sha512_ctx; // Initialize the SHA512 control structure
+};
+
+#endif //__TWRPSHA_H