/* * (C) 2016 Jack Lloyd * * Botan is released under the Simplified BSD License (see license.txt) */ #include "tests.h" #if defined(BOTAN_HAS_PK_PADDING) #include #include #endif namespace Botan_Tests { #if defined(BOTAN_HAS_PK_PADDING) class EME_Decoding_Tests : public Text_Based_Test { public: EME_Decoding_Tests() : Text_Based_Test("pk_pad_eme", "RawCiphertext,ValidInput", "Plaintext") {} Test::Result run_one_test(const std::string& algo, const VarMap& vars) override { Test::Result result(algo + " Decoding"); std::unique_ptr eme; try { eme.reset(Botan::get_eme(algo)); } catch(Botan::Lookup_Error&) { result.note_missing(algo); return result; } const std::vector ciphertext = get_req_bin(vars, "RawCiphertext"); const std::vector plaintext = get_opt_bin(vars, "Plaintext"); const bool is_valid = get_req_bool(vars, "ValidInput"); if(is_valid == false) result.test_eq("Plaintext value is empty for invalid EME inputs", plaintext.size(), 0); uint8_t valid_mask = 0; Botan::secure_vector decoded = eme->unpad(valid_mask, ciphertext.data(), ciphertext.size()); result.confirm("EME valid_mask has expected value", valid_mask == 0x00 || valid_mask == 0xFF); result.test_eq("EME decoding valid/invalid matches", valid_mask == 0xFF, is_valid); if(is_valid && valid_mask == 0xFF) { result.test_eq("EME decoded plaintext correct", decoded, plaintext); } // TODO: also test that encoding is accepted return result; } }; BOTAN_REGISTER_TEST("pk_pad_eme", EME_Decoding_Tests); #endif }