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#include "clickhouse_config.h"
#if USE_SSL
#include "OpenSSLHelpers.h"
#include <base/scope_guard.h>
#include <openssl/err.h>
#include <openssl/sha.h>
namespace DB
{
std::string encodeSHA256(std::string_view text)
{
return encodeSHA256(text.data(), text.size());
}
std::string encodeSHA256(const void * text, size_t size)
{
std::string out;
out.resize(32);
encodeSHA256(text, size, reinterpret_cast<unsigned char *>(out.data()));
return out;
}
void encodeSHA256(std::string_view text, unsigned char * out)
{
encodeSHA256(text.data(), text.size(), out);
}
void encodeSHA256(const void * text, size_t size, unsigned char * out)
{
SHA256_CTX ctx;
SHA256_Init(&ctx);
SHA256_Update(&ctx, reinterpret_cast<const UInt8 *>(text), size);
SHA256_Final(out, &ctx);
}
String getOpenSSLErrors()
{
String res;
ERR_print_errors_cb([](const char * str, size_t len, void * ctx)
{
String & out = *reinterpret_cast<String*>(ctx);
if (!out.empty())
out += ", ";
out.append(str, len);
return 1;
}, &res);
return res;
}
}
#endif
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