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Diffstat (limited to '')
| -rw-r--r-- | shared/librelational_engine/library.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/shared/librelational_engine/library.cpp b/shared/librelational_engine/library.cpp new file mode 100644 index 0000000..8048486 --- /dev/null +++ b/shared/librelational_engine/library.cpp @@ -0,0 +1,30 @@ +#include <iostream> +#include <merklecpp.h> +#include <openssl/sha.h> +#include <iomanip> +extern "C" { +#include "library.h" + extern void merkle_generate_root(char** hashes, const int n, char* root) { + merkle::Tree tree; + for (int i = 0; i < n; i++){ + tree.insert(merkle::Hash(hashes[i])); + } + std::memcpy(root, tree.root().to_string().c_str(), HASH_SIZE); + } + extern void compute_hash(char* computed_hash, const char *content) { + + unsigned char hash[SHA256_DIGEST_LENGTH]; + SHA256_CTX sha256; + SHA256_Init(&sha256); + SHA256_Update(&sha256, content, sizeof(content)); + SHA256_Final(hash, &sha256); + std::stringstream ss; + for (int i = 0; i < SHA256_DIGEST_LENGTH; i++) + ss << std::hex << std::setw(2) << std::setfill('0') << static_cast<int>(hash[i]); + + std::memcpy(computed_hash, ss.str().c_str(), HASH_SIZE); + std::cout << "⚙️ COMPUTED HASH: " << computed_hash << std::endl; + } + + extern int trash() { return 100; } +}
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