/* * (C) 2015,2017 Jack Lloyd * * Botan is released under the Simplified BSD License (see license.txt) */ #include #include #include extern "C" { using namespace Botan_FFI; BOTAN_FFI_DECLARE_STRUCT(botan_hash_struct, Botan::HashFunction, 0x1F0A4F84); int botan_hash_init(botan_hash_t* hash, const char* hash_name, uint32_t flags) { return ffi_guard_thunk(BOTAN_CURRENT_FUNCTION, [=]() -> int { if(hash == nullptr || hash_name == nullptr || *hash_name == 0) return BOTAN_FFI_ERROR_NULL_POINTER; if(flags != 0) return BOTAN_FFI_ERROR_BAD_FLAG; std::unique_ptr h = Botan::HashFunction::create(hash_name); if(h == nullptr) return BOTAN_FFI_ERROR_NOT_IMPLEMENTED; *hash = new botan_hash_struct(h.release()); return BOTAN_FFI_SUCCESS; }); } int botan_hash_destroy(botan_hash_t hash) { return BOTAN_FFI_CHECKED_DELETE(hash); } int botan_hash_output_length(botan_hash_t hash, size_t* out) { return BOTAN_FFI_DO(Botan::HashFunction, hash, h, { *out = h.output_length(); }); } int botan_hash_block_size(botan_hash_t hash, size_t* out) { return BOTAN_FFI_DO(Botan::HashFunction, hash, h, { *out = h.hash_block_size(); }); } int botan_hash_clear(botan_hash_t hash) { return BOTAN_FFI_DO(Botan::HashFunction, hash, h, { h.clear(); }); } int botan_hash_update(botan_hash_t hash, const uint8_t* buf, size_t len) { return BOTAN_FFI_DO(Botan::HashFunction, hash, h, { h.update(buf, len); }); } int botan_hash_final(botan_hash_t hash, uint8_t out[]) { return BOTAN_FFI_DO(Botan::HashFunction, hash, h, { h.final(out); }); } int botan_hash_copy_state(botan_hash_t* dest, const botan_hash_t source) { return BOTAN_FFI_DO(Botan::HashFunction, source, src, { *dest = new botan_hash_struct(src.copy_state().release()); }); } int botan_hash_name(botan_hash_t hash, char* name, size_t* name_len) { return BOTAN_FFI_DO(Botan::HashFunction, hash, h, { return write_str_output(name, name_len, h.name()); }); } }