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fix: Crypto buffered hexadecimal encoding

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Justus Garbe
2023-08-13 15:27:01 +02:00
parent d468893bb0
commit 285b79f31e
1 changed files with 2 additions and 2 deletions
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4
lib/libimhex/source/helpers/crypto.cpp
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@@ -396,14 +396,14 @@ namespace hex::crypt {
ON_SCOPE_EXIT { mbedtls_mpi_free(&ctx); };
// read buffered
constexpr static auto BufferSize = 0x100;
for (size_t offset = 0; offset < input.size(); offset += BufferSize) {
std::string inputPart = input.substr(offset, std::min<size_t>(BufferSize, input.size() - offset));
if (mbedtls_mpi_read_string(&ctx, 16, inputPart.c_str()))
return {};
auto size = std::min<size_t>(BufferSize / 2, input.size() - offset);
if (mbedtls_mpi_write_binary(&ctx, output.data() + offset / 2, size) != 0)
if (mbedtls_mpi_write_binary(&ctx, output.data() + offset / 2, inputPart.size() / 2))
return {};
}