fix: workaround missing SHA256 macros in MinGW-w64

googleapis · Jul 4, 2024 · c801913 · c801913
1 parent f54ba19
commit c801913
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Showing 2 changed files with 10 additions and 0 deletions.
diff --git a/google/cloud/internal/sha256_hash.cc b/google/cloud/internal/sha256_hash.cc
@@ -30,6 +30,11 @@ namespace {
 Sha256Type Sha256Hash(void const* data, std::size_t count) {
   Sha256Type hash;
 #ifdef _WIN32
+// Workaround missing macros in MinGW-w64:
+//     https://github.com/mingw-w64/mingw-w64/issues/49
+#ifndef BCRYPT_SHA256_ALG_HANDLE
+#define BCRYPT_SHA256_ALG_HANDLE ((BCRYPT_ALG_HANDLE)0x00000041)
+#endif
   BCryptHash(BCRYPT_SHA256_ALG_HANDLE, nullptr, 0,
              static_cast<PUCHAR>(const_cast<void*>(data)),
              static_cast<ULONG>(count), hash.data(),

diff --git a/google/cloud/internal/sha256_hmac.cc b/google/cloud/internal/sha256_hmac.cc
@@ -38,6 +38,11 @@ Sha256Type Sha256HmacImpl(absl::Span<T const> key, unsigned char const* data,
                           std::size_t count) {
   Sha256Type hash;
 #ifdef _WIN32
+// Workaround missing macros in MinGW-w64:
+//     https://github.com/mingw-w64/mingw-w64/issues/49
+#ifndef BCRYPT_HMAC_SHA256_ALG_HANDLE
+#define BCRYPT_HMAC_SHA256_ALG_HANDLE ((BCRYPT_ALG_HANDLE)0x000000b1)
+#endif
   BCryptHash(BCRYPT_HMAC_SHA256_ALG_HANDLE,
              reinterpret_cast<PUCHAR>(const_cast<T*>(key.data())),
              static_cast<ULONG>(key.size()), const_cast<PUCHAR>(data),