diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/extra_tests/fuzzers/GNUmakefile | 4 | ||||
-rw-r--r-- | src/extra_tests/fuzzers/jigs/pkcs1.cpp | 33 | ||||
-rw-r--r-- | src/extra_tests/fuzzers/jigs/tls_client_hello.cpp | 6 | ||||
-rw-r--r-- | src/lib/pk_pad/eme_pkcs1/eme_pkcs.cpp | 2 | ||||
-rw-r--r-- | src/tests/data/block/aes.vec | 2 | ||||
-rw-r--r-- | src/tests/data/kdf/sp800_108_ctr.vec | 2 | ||||
-rw-r--r-- | src/tests/data/kdf/sp800_108_fb.vec | 2 | ||||
-rw-r--r-- | src/tests/data/kdf/sp800_108_pipe.vec | 2 | ||||
-rw-r--r-- | src/tests/data/kdf/sp800_56c.vec | 4 | ||||
-rw-r--r-- | src/tests/data/pk_pad_eme/pkcs1.vec | 46 | ||||
-rw-r--r-- | src/tests/test_pk_pad.cpp | 69 | ||||
-rw-r--r-- | src/tests/tests.cpp | 14 | ||||
-rw-r--r-- | src/tests/tests.h | 2 |
13 files changed, 168 insertions, 20 deletions
diff --git a/src/extra_tests/fuzzers/GNUmakefile b/src/extra_tests/fuzzers/GNUmakefile index 3ebe64be7..aa45eb040 100644 --- a/src/extra_tests/fuzzers/GNUmakefile +++ b/src/extra_tests/fuzzers/GNUmakefile @@ -40,11 +40,11 @@ dirs: afl-build: ../../../configure.py $(CFG_FLAGS) --with-build-dir=afl-build --cc=$(AFL_CXX_TYPE) --cc-bin=$(AFL_CXX) - make -f afl-build/Makefile afl-build/libbotan-1.11.a -j8 + make -j$(nproc) -f afl-build/Makefile afl-build/libbotan-1.11.a llvm-build: ../../../configure.py $(CFG_FLAGS) --with-build-dir=llvm-build --cc=clang --cc-bin=$(CLANG_CXX) --cc-abi-flags="$(CLANG_SAN_FLAGS)" - make -f llvm-build/Makefile llvm-build/libbotan-1.11.a -j8 + make -j$(nproc) -f llvm-build/Makefile llvm-build/libbotan-1.11.a # libFuzzer default is max_len 64 this sets 140 but allows override via args= run_llvm_%: bin/llvm_fuzz_% diff --git a/src/extra_tests/fuzzers/jigs/pkcs1.cpp b/src/extra_tests/fuzzers/jigs/pkcs1.cpp index 889308f0e..8a16d17e5 100644 --- a/src/extra_tests/fuzzers/jigs/pkcs1.cpp +++ b/src/extra_tests/fuzzers/jigs/pkcs1.cpp @@ -13,14 +13,14 @@ secure_vector<byte> simple_pkcs1_unpad(const byte in[], size_t len) if(len < 10) throw Botan::Decoding_Error("bad len"); - if(in[0] != 2) - throw Botan::Decoding_Error("bad field"); + if(in[0] != 0 || in[1] != 2) + throw Botan::Decoding_Error("bad header field"); - for(size_t i = 1; i < len; ++i) + for(size_t i = 2; i < len; ++i) { if(in[i] == 0) { - if(i < 9) + if(i < 10) // at least 8 padding bytes required throw Botan::Decoding_Error("insufficient padding bytes"); return secure_vector<byte>(in + i + 1, in + len); } @@ -42,9 +42,9 @@ void fuzz(const uint8_t in[], size_t len) secure_vector<byte> decoded = ((EME*)&pkcs1)->unpad(valid_mask, in, len); if(valid_mask == 0) - lib_rejected = false; - else if(valid_mask == 0xFF) lib_rejected = true; + else if(valid_mask == 0xFF) + lib_rejected = false; else abort(); } @@ -54,15 +54,24 @@ void fuzz(const uint8_t in[], size_t len) { ref_result = simple_pkcs1_unpad(in, len); } - catch(Botan::Decoding_Error&) { ref_rejected = true; } + catch(Botan::Decoding_Error& e) { ref_rejected = true; /*printf("%s\n", e.what());*/ } - FUZZER_ASSERT_EQUAL(lib_rejected, ref_rejected); + if(lib_rejected == ref_rejected) + { + return; // ok, they agree + } - if(lib_result != ref_result) + // otherwise: incorrect result, log info and crash + if(lib_rejected == true && ref_rejected == false) + { + std::cerr << "Library rejected input accepted by ref\n"; + std::cerr << "Ref decoded " << hex_encode(ref_result) << "\n"; + } + else if(ref_rejected == true && lib_rejected == false) { - std::cerr << hex_encode(lib_result) << " != ref \n" - << hex_encode(ref_result) << std::endl; - abort(); + std::cerr << "Library accepted input reject by ref\n"; + std::cerr << "Lib decoded " << hex_encode(lib_result) << "\n"; } + abort(); } diff --git a/src/extra_tests/fuzzers/jigs/tls_client_hello.cpp b/src/extra_tests/fuzzers/jigs/tls_client_hello.cpp index 5705dca91..33b6f941a 100644 --- a/src/extra_tests/fuzzers/jigs/tls_client_hello.cpp +++ b/src/extra_tests/fuzzers/jigs/tls_client_hello.cpp @@ -12,10 +12,6 @@ void fuzz(const uint8_t in[], size_t len) { std::vector<uint8_t> v(in, in + len); Botan::TLS::Client_Hello ch(v); - - printf("%s\n", ch.version().to_string().c_str()); - if(ch.version() == Botan::TLS::Protocol_Version::TLS_V12) - abort(); } - catch(Botan::Exception& e) {printf("%s\n", e.what()); } + catch(Botan::Exception& e) {} } diff --git a/src/lib/pk_pad/eme_pkcs1/eme_pkcs.cpp b/src/lib/pk_pad/eme_pkcs1/eme_pkcs.cpp index b14808da0..2b5ee4ba0 100644 --- a/src/lib/pk_pad/eme_pkcs1/eme_pkcs.cpp +++ b/src/lib/pk_pad/eme_pkcs1/eme_pkcs.cpp @@ -69,7 +69,7 @@ secure_vector<byte> EME_PKCS1v15::unpad(byte& valid_mask, delim_idx += CT::select<byte>(~seen_zero_m, 1, 0); - bad_input_m |= is_zero_m & CT::expand_mask<byte>(i < 9); + bad_input_m |= is_zero_m & CT::expand_mask<byte>(i < 10); seen_zero_m |= is_zero_m; } diff --git a/src/tests/data/block/aes.vec b/src/tests/data/block/aes.vec index 4f428f252..43fff6739 100644 --- a/src/tests/data/block/aes.vec +++ b/src/tests/data/block/aes.vec @@ -1,3 +1,5 @@ +# Test vectors from NIST CAVP AESAVS +# http://csrc.nist.gov/groups/STM/cavp/documents/aes/AESAVS.pdf #test cpuid aesni ssse3 diff --git a/src/tests/data/kdf/sp800_108_ctr.vec b/src/tests/data/kdf/sp800_108_ctr.vec index 001acf689..7d8087fd1 100644 --- a/src/tests/data/kdf/sp800_108_ctr.vec +++ b/src/tests/data/kdf/sp800_108_ctr.vec @@ -1,3 +1,5 @@ +# Test vectors generated with BouncyCastle + [SP800-108-Counter(HMAC(SHA-160))] OutputLen = 2 Salt = 876F7274958C9F920019 diff --git a/src/tests/data/kdf/sp800_108_fb.vec b/src/tests/data/kdf/sp800_108_fb.vec index e10d3e1c8..5928bfcaa 100644 --- a/src/tests/data/kdf/sp800_108_fb.vec +++ b/src/tests/data/kdf/sp800_108_fb.vec @@ -1,3 +1,5 @@ +# Test vectors generated with BouncyCastle + [SP800-108-Feedback(HMAC(SHA-160))] OutputLen = 2 Salt = 0976FDEC7817D94D60C4E0C9091D82E38BCFC58D7FFF0829A13D1B4455B8 diff --git a/src/tests/data/kdf/sp800_108_pipe.vec b/src/tests/data/kdf/sp800_108_pipe.vec index 6889a19cc..7b00337d4 100644 --- a/src/tests/data/kdf/sp800_108_pipe.vec +++ b/src/tests/data/kdf/sp800_108_pipe.vec @@ -1,3 +1,5 @@ +# Test vectors generated with BouncyCastle + [SP800-108-Pipeline(HMAC(SHA-160))] OutputLen = 2 Salt = B65A30885B0849C7099B diff --git a/src/tests/data/kdf/sp800_56c.vec b/src/tests/data/kdf/sp800_56c.vec index b1f96bd6d..a441fd5bd 100644 --- a/src/tests/data/kdf/sp800_56c.vec +++ b/src/tests/data/kdf/sp800_56c.vec @@ -1,3 +1,7 @@ +# Generated using PyCryptodome +# it implements the very similar HKDF from RFC 5869, +# which was slightly modified to be equivalent to SP800-56C + [SP800-56C(HMAC(SHA-160))] OutputLen = 2 Salt = 97ca00eac481e8b3556a diff --git a/src/tests/data/pk_pad_eme/pkcs1.vec b/src/tests/data/pk_pad_eme/pkcs1.vec new file mode 100644 index 000000000..48b732d95 --- /dev/null +++ b/src/tests/data/pk_pad_eme/pkcs1.vec @@ -0,0 +1,46 @@ +[PKCS1v15] +RawCiphertext = +ValidInput = false + +RawCiphertext = 00 +ValidInput = false + +RawCiphertext = 0000 +ValidInput = false + +RawCiphertext = FF +ValidInput = false + +RawCiphertext = FF02 +ValidInput = false + +RawCiphertext = 0002DEDE24212121DEDEDE5EDEDEDEDE0A5EDE00000000DEDEDE010000000000 +Plaintext = 000000DEDEDE010000000000 +ValidInput = true + +RawCiphertext = 022C2C4018181818181818181818183A18181818181818180000002C022C00010A2C2C2C2C2C022C +ValidInput = false + +RawCiphertext = 00022C2C4018181818181818181818183A18181818181818180000002C022C00010A2C2C2C2C2C022C +Plaintext = 00002C022C00010A2C2C2C2C2C022C +ValidInput = true + +RawCiphertext = 0002FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF010100000021FFFFFFFFFFFFBC +Plaintext = 000021FFFFFFFFFFFFBC +ValidInput = true + +RawCiphertext = 0002F9CCFFFFCCCCCCCCCCCCCCCC4E0000CCFFFFCCCCCCCCCCCCCCCCCCCCCCCCCC06 +Plaintext = 00CCFFFFCCCCCCCCCCCCCCCCCCCCCCCCCC06 +ValidInput = true + +RawCiphertext = 000253FFC43B5253FF0A53DE0000FD +Plaintext = 00FD +ValidInput = true + +RawCiphertext = 0002FFFF06FFFFFFFFFF00000000000000000000000000000000000000000000000000000000FF0A +Plaintext = 000000000000000000000000000000000000000000000000000000FF0A +ValidInput = true + +# Padding only 7 bytes +RawCiphertext = 0002FFFFFFFFFFFFFF000113131313131388 +ValidInput = false diff --git a/src/tests/test_pk_pad.cpp b/src/tests/test_pk_pad.cpp new file mode 100644 index 000000000..79448e63f --- /dev/null +++ b/src/tests/test_pk_pad.cpp @@ -0,0 +1,69 @@ +/* +* (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 <botan/emsa.h> + #include <botan/eme.h> +#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", + std::vector<std::string>{"RawCiphertext","ValidInput"}, + std::vector<std::string>{"Plaintext"}) {} + + Test::Result run_one_test(const std::string& algo, const VarMap& vars) override + { + Test::Result result(algo + " Decoding"); + + std::unique_ptr<Botan::EME> eme(Botan::get_eme(algo)); + + if(eme == nullptr) + { + result.note_missing(algo); + return result; + } + + const std::vector<uint8_t> ciphertext = get_req_bin(vars, "RawCiphertext"); + const std::vector<uint8_t> 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<byte> 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 + +} + + diff --git a/src/tests/tests.cpp b/src/tests/tests.cpp index f922c99a6..b78b7a2e2 100644 --- a/src/tests/tests.cpp +++ b/src/tests/tests.cpp @@ -602,6 +602,20 @@ std::string Text_Based_Test::get_opt_str(const VarMap& vars, return i->second; } +bool Text_Based_Test::get_req_bool(const VarMap& vars, const std::string& key) const + { + auto i = vars.find(key); + if(i == vars.end()) + throw Test_Error("Test missing variable " + key); + + if(i->second == "true") + return true; + else if(i->second == "false") + return false; + else + throw Test_Error("Invalid boolean for key '" + key + "' value '" + i->second + "'"); + } + size_t Text_Based_Test::get_req_sz(const VarMap& vars, const std::string& key) const { auto i = vars.find(key); diff --git a/src/tests/tests.h b/src/tests/tests.h index 733e948ea..32aaad0fb 100644 --- a/src/tests/tests.h +++ b/src/tests/tests.h @@ -430,6 +430,8 @@ class Text_Based_Test : public Test virtual std::vector<Test::Result> run_final_tests() { return std::vector<Test::Result>(); } + bool get_req_bool(const VarMap& vars, const std::string& key) const; + std::vector<uint8_t> get_req_bin(const VarMap& vars, const std::string& key) const; std::vector<uint8_t> get_opt_bin(const VarMap& vars, const std::string& key) const; |