Replace in-tree MD5 with OpenSSL

This uses OpenSSL's non-deprecated EVP digest facility to calculate MD5
in HTTP digest authentication.
This commit is contained in:
Bastian Germann 2024-11-20 16:00:00 +01:00
parent 893916ad09
commit 0bc5969755
2 changed files with 16 additions and 16 deletions

View File

@ -63,11 +63,11 @@
#include <cassert> #include <cassert>
#include <iterator> #include <iterator>
#include <limits> #include <limits>
#include <openssl/evp.h>
#include <tuple> #include <tuple>
#include <type_traits> #include <type_traits>
#include "hex.h" #include "hex.h"
#include "md5_l.h"
#include "string_coding.h" #include "string_coding.h"
/* This file uses the `u8` prefix and specifies all chars by ASCII numeric /* This file uses the `u8` prefix and specifies all chars by ASCII numeric
@ -114,8 +114,8 @@ namespace
void operator()(const T& arg) const void operator()(const T& arg) const
{ {
const boost::iterator_range<const char*> data(boost::as_literal(arg)); const boost::iterator_range<const char*> data(boost::as_literal(arg));
md5::MD5Update( EVP_DigestUpdate(
std::addressof(ctx), ctx,
reinterpret_cast<const std::uint8_t*>(data.begin()), reinterpret_cast<const std::uint8_t*>(data.begin()),
data.size() data.size()
); );
@ -126,25 +126,25 @@ namespace
} }
void operator()(const epee::wipeable_string& arg) const void operator()(const epee::wipeable_string& arg) const
{ {
md5::MD5Update( EVP_DigestUpdate(
std::addressof(ctx), ctx,
reinterpret_cast<const std::uint8_t*>(arg.data()), reinterpret_cast<const std::uint8_t*>(arg.data()),
arg.size() arg.size()
); );
} }
md5::MD5_CTX& ctx; EVP_MD_CTX *ctx;
}; };
template<typename... T> template<typename... T>
std::array<char, 32> operator()(const T&... args) const std::array<char, 32> operator()(const T&... args) const
{ {
md5::MD5_CTX ctx{}; std::unique_ptr<EVP_MD_CTX, decltype(&EVP_MD_CTX_free)> ctx(EVP_MD_CTX_new(), &EVP_MD_CTX_free);
md5::MD5Init(std::addressof(ctx)); EVP_DigestInit(ctx.get(), EVP_md5());
boost::fusion::for_each(std::tie(args...), update{ctx}); boost::fusion::for_each(std::tie(args...), update{ctx.get()});
std::array<std::uint8_t, 16> digest{{}}; std::array<std::uint8_t, 16> digest{{}};
md5::MD5Final(digest.data(), std::addressof(ctx)); EVP_DigestFinal(ctx.get(), digest.data(), NULL);
return epee::to_hex::array(digest); return epee::to_hex::array(digest);
} }
}; };

View File

@ -53,12 +53,12 @@
#include <boost/spirit/include/qi_string.hpp> #include <boost/spirit/include/qi_string.hpp>
#include <cstdint> #include <cstdint>
#include <iterator> #include <iterator>
#include <openssl/evp.h>
#include <string> #include <string>
#include <unordered_map> #include <unordered_map>
#include <utility> #include <utility>
#include <vector> #include <vector>
#include "md5_l.h"
#include "string_tools.h" #include "string_tools.h"
#include "crypto/crypto.h" #include "crypto/crypto.h"
@ -201,16 +201,16 @@ auth_responses parse_response(const http::http_response_info& response)
std::string md5_hex(const std::string& in) std::string md5_hex(const std::string& in)
{ {
md5::MD5_CTX ctx{}; std::unique_ptr<EVP_MD_CTX, decltype(&EVP_MD_CTX_free)> ctx(EVP_MD_CTX_new(), &EVP_MD_CTX_free);
md5::MD5Init(std::addressof(ctx)); EVP_DigestInit(ctx.get(), EVP_md5());
md5::MD5Update( EVP_DigestUpdate(
std::addressof(ctx), ctx.get(),
reinterpret_cast<const std::uint8_t*>(in.data()), reinterpret_cast<const std::uint8_t*>(in.data()),
in.size() in.size()
); );
std::array<std::uint8_t, 16> digest{{}}; std::array<std::uint8_t, 16> digest{{}};
md5::MD5Final(digest.data(), std::addressof(ctx)); EVP_DigestFinal(ctx.get(), digest.data(), NULL);
return epee::string_tools::pod_to_hex(digest); return epee::string_tools::pod_to_hex(digest);
} }