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Fixed hmac_sha512.hpp to new standart & added Makefile for example code. #26

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Fixed hmac_sha512.hpp to new standart & added Makefile for example code. #26

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4 changes: 4 additions & 0 deletions rest/с++/Makefile
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Original file line number Diff line number Diff line change
@@ -0,0 +1,4 @@
All:
g++ exmo.cpp -lssl -lcurl -lcrypto -o exmo
clear:
rm exmo
13 changes: 6 additions & 7 deletions rest/с++/hmac_sha512.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -8,23 +8,22 @@
class HMAC_SHA512 {
public:
HMAC_SHA512(const std::string& key, const std::string& msg) {
HMAC_CTX ctx;
HMAC_CTX_init(&ctx);
HMAC_CTX* ctx = HMAC_CTX_new();

// Set HMAC key.
HMAC_Init_ex(&ctx, reinterpret_cast<const unsigned char*>(key.c_str()), key.size(), EVP_sha512(), NULL);
HMAC_Init_ex(ctx, reinterpret_cast<const unsigned char*>(key.c_str()), key.size(), EVP_sha512(), NULL);

// May be called repeatedly to insert all your data.
HMAC_Update(&ctx, reinterpret_cast<const unsigned char*>(msg.c_str()), msg.size());
HMAC_Update(ctx, reinterpret_cast<const unsigned char*>(msg.c_str()), msg.size());

// Finish HMAC computation and fetch result.
unsigned char* result = new unsigned char[129];
unsigned int result_len = 129;
HMAC_Final(&ctx, result, &result_len);
HMAC_Final(ctx, result, &result_len);
for (int i = 0; i < result_len; i++) {
digest_.push_back(int(result[i]));
}
HMAC_CTX_cleanup(&ctx);
HMAC_CTX_free(ctx);
}

std::string hex_digest() {
Expand All @@ -42,4 +41,4 @@ class HMAC_SHA512 {
std::vector<unsigned char> digest_;
};

#endif // HMAC_SHA512_HPP
#endif // HMAC_SHA512_HPP