parent
fa15c25951
commit
fb7ab21e71
@ -1,82 +0,0 @@
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/*
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* Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "rsa.h"
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#include <openssl/bn.h>
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#include <openssl/err.h>
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Rsa g_rsa;
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Rsa::Rsa()
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{
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m_rsa = RSA_new();
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}
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Rsa::~Rsa()
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{
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RSA_free(m_rsa);
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}
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void Rsa::setPublic(const char *n, const char *e)
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{
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BN_dec2bn(&m_rsa->n, n);
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BN_dec2bn(&m_rsa->e, e);
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}
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void Rsa::setPrivate(const char *p, const char *q, const char *d)
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{
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BN_dec2bn(&m_rsa->p, p);
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BN_dec2bn(&m_rsa->q, q);
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BN_dec2bn(&m_rsa->d, d);
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}
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bool Rsa::check() // only used by server, that sets both public and private
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{
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if(RSA_check_key(m_rsa)) {
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BN_CTX *ctx = BN_CTX_new();
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BN_CTX_start(ctx);
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BIGNUM *r1 = BN_CTX_get(ctx), *r2 = BN_CTX_get(ctx);
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BN_mod(m_rsa->dmp1, m_rsa->d, r1, ctx);
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BN_mod(m_rsa->dmq1, m_rsa->d, r2, ctx);
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BN_mod_inverse(m_rsa->iqmp, m_rsa->q, m_rsa->p, ctx);
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return true;
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}
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else {
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ERR_load_crypto_strings();
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g_logger.error(stdext::format("RSA check failed - %s", ERR_error_string(ERR_get_error(), NULL)));
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return false;
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}
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}
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bool Rsa::encrypt(unsigned char *msg, int size)
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{
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assert(size <= 128);
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return RSA_public_encrypt(size, msg, msg, m_rsa, RSA_NO_PADDING) != -1;
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}
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bool Rsa::decrypt(unsigned char *msg, int size)
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{
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assert(size <= 128);
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return RSA_private_decrypt(size, msg, msg, m_rsa, RSA_NO_PADDING) != -1;
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}
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@ -1,48 +0,0 @@
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/*
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* Copyright (c) 2010-2012 OTClient <https://github.com/edubart/otclient>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef RSA_H
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#define RSA_H
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#include <framework/global.h>
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#include <openssl/rsa.h>
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class Rsa
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{
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public:
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Rsa();
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~Rsa();
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void setPublic(const char *n, const char *e);
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void setPrivate(const char *p, const char *q, const char *d);
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bool check();
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bool encrypt(unsigned char *msg, int size);
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bool decrypt(unsigned char *msg, int size);
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private:
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RSA *m_rsa;
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};
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extern Rsa g_rsa;
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#endif
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Reference in new issue