Add signing keys to avoid having a copy in every application

Author: Martchus

CMakeLists.txt

@@ -31,6 +31,7 @@ set(HEADER_FILES
     misc/math.h
     misc/multiarray.h
     misc/parseerror.h
+    misc/signingkeys.h
     misc/traits.h
     misc/levenshtein.h
     misc/verification.h

misc/signingkeys.h

@@ -0,0 +1,46 @@
+#ifndef CPP_UTILITIES_MISC_SIGNINGKEYS_H
+#define CPP_UTILITIES_MISC_SIGNINGKEYS_H
+
+#include <array>
+#include <string_view>
+
+namespace CppUtilities {
+
+/*!
+ * \brief Contains signing keys for verifying releases via OpenSSL or stsigtool.
+ * \remarks
+ * - Checkout the header file `verification.h` for verification with OpenSSL.
+ * - Checkout the Syncthing library contained in Syncthing Tray for verification with stsigtool.
+ * - This function is experimental and might be changed in incompatible ways (API and ABI wise) or be completely removed
+ *   in further minor/patch releases.
+ */
+namespace SigningKeys {
+
+// clang-format off
+constexpr auto stsigtool = std::array<std::string_view, 1>{
+std::string_view(
+R"(-----BEGIN EC PUBLIC KEY-----
+MIGbMBAGByqGSM49AgEGBSuBBAAjA4GGAAQBzGxkQSS43eE4r+A7HjlcEch5apsn
+fKOgJWaRE2TOD9dNoBO2RSaJEAzzOXg2BPMsiPdr+Ty99FZtX8fmIcgJHGoB3sE1
+PmSOaw3YWAXrHUYslrVRJI4iYCLuT4qjFMHgmqvphEE/zGDZ5Tyu6FwVlSjCO4Yy
+FdsjpzKV6nrX6EsK++o=
+-----END EC PUBLIC KEY-----
+)")
+};
+
+constexpr auto openssl = std::array<std::string_view, 1>{
+std::string_view(
+R"(-----BEGIN EC PUBLIC KEY-----
+MIGbMBAGByqGSM49AgEGBSuBBAAjA4GGAAQAWJAn1E7ZE5Q6H69oaV5sqCIppJdg
+4bXDan9dJv6GOg70/t7q2CvwcwUXhV4FvCZxCHo25+rWYINfqKU2Utul8koAx8tK
+59ohfOzI63I+CC76GfX41uRGU0P5i6hS7o/hgBLiVXqT0FgS2BMfmnLMUvUjqnI2
+YQM7C55/5BM5Vrblkow=
+-----END EC PUBLIC KEY-----
+)")
+};
+// clang-format on
+
+} // namespace SigningKeys
+} // namespace CppUtilities
+
+#endif // CPP_UTILITIES_MISC_SIGNINGKEYS_H