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some refactoring

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This commit is contained in:
loki
2021-06-08 22:10:42 +02:00
parent c53564dd31
commit 61b195e9f4
4 changed files with 49 additions and 55 deletions
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14
sunshine/crypto.cpp
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@@ -340,21 +340,13 @@ void md_ctx_destroy(EVP_MD_CTX *ctx) {
EVP_MD_CTX_destroy(ctx);
}
std::string rand_string(std::size_t bytes) {
std::string alphabet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!%&()=-";
std::string value = rand(bytes);
std::string rand_alphabet(std::size_t bytes, const std::string_view &alphabet) {
auto value = rand(bytes);
for(std::size_t i = 0; i != value.size(); ++i) {
value[i] = alphabet[value[i] % alphabet.length()];
}
return value;
}
std::string hash_hexstr(const std::string_view &plaintext) {
sha256_t hashBytes = crypto::hash(plaintext);
std::ostringstream hashStream;
hashStream << std::hex << std::setfill('0');
std::for_each(hashBytes.cbegin(), hashBytes.cend(), [&](int c) { hashStream << std::setw(2) << c; });
std::string hashString = hashStream.str();
return hashString;
}
} // namespace crypto