| /* |
| * Copyright (C) 2020 The Android Open Source Project |
| * |
| * Permission is hereby granted, free of charge, to any person |
| * obtaining a copy of this software and associated documentation |
| * files (the "Software"), to deal in the Software without |
| * restriction, including without limitation the rights to use, copy, |
| * modify, merge, publish, distribute, sublicense, and/or sell copies |
| * of the Software, and to permit persons to whom the Software is |
| * furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| */ |
| |
| #include <gtest/gtest.h> |
| |
| #include <libavb_aftl/libavb_aftl.h> |
| |
| #include "avb_unittest_util.h" |
| #include "libavb_aftl/avb_aftl_types.h" |
| #include "libavb_aftl/avb_aftl_util.h" |
| #include "libavb_aftl/avb_aftl_validate.h" |
| |
| namespace { |
| |
| /* Public part of testkey_rsa4096.pem, in the AvbRsaPublicKey format. Generated |
| * using: |
| * $ openssl rsa -in testkey_rsa4096.pem -pubout -out testkey_rsa4096_pub.pem |
| * $ avbtool extract_public_key --key testkey_rsa4096_pub.pem --output \ |
| * testkey_rsa4096_pub.bin. |
| */ |
| const char kKeyBytesPath[] = "test/data/testkey_rsa4096_pub.bin"; |
| /* Example VBMeta. Its hash should match the value kVBMetaHash defined below. */ |
| const char kVBMetaPath[] = "test/data/aftl_input_vbmeta.img"; |
| |
| } /* namespace */ |
| |
| namespace avb { |
| |
| /* Extend BaseAvbToolTest to take advantage of common checks and tooling. */ |
| class AvbAftlValidateTest : public BaseAvbToolTest { |
| public: |
| AvbAftlValidateTest() {} |
| ~AvbAftlValidateTest() {} |
| void SetUp() override { |
| /* Generate an artificial inclusion proof with its own annotation. The |
| * annotation matches the kVBMetaPath file. It is signed using the |
| * testkey_rsa4096.pem key. */ |
| /* We define the constants below as string literals (to be able to annotate |
| * the bytes). We keep their sizes in a separate variable as sizeof will |
| * include the final null byte that is automatically appended. */ |
| const uint8_t kAnnotationLeafHeader[] = |
| "\x01" // Version |
| "\x00\x00\x00\x00\x00\x00\x00\x00" // Timestamp |
| "\x01"; // Leaf Type |
| const size_t kAnnotationLeafHeaderSize = sizeof(kAnnotationLeafHeader) - 1; |
| const uint8_t kSignature[] = |
| "\x00" // Hash Type |
| "\x00" // Signature Type |
| "\x00"; // Signature size |
| const size_t kSignatureSize = sizeof(kSignature) - 1; |
| const uint8_t kAnnotationHeader[] = "\x20"; // VBMeta hash size |
| const size_t kAnnotationHeaderSize = sizeof(kAnnotationHeader) - 1; |
| /* This is the SHA256 hash of the image at kVBMetaPath */ |
| const uint8_t kVBMetaHash[] = |
| "\x34\x1c\x6c\xf2\x4b\xc1\xe6\x4a\xb1\x03\xa0\xee\xe1\x9d\xee\x9c" |
| "\x35\x34\xdb\x07\x17\x29\xb4\xad\xd0\xce\xa0\xbd\x52\x92\x54\xec"; |
| const uint8_t kAnnotationFooter[] = |
| "\x03" // Version incremental size |
| "123" // Version incremental |
| "\x00" // Manufacturer key hash size |
| "\x00\x05" // Description size |
| "abcde"; // Description |
| const size_t kAnnotationFooterSize = sizeof(kAnnotationFooter) - 1; |
| const uint8_t kLogRootDescriptorHeader[] = |
| "\x00\x01" // Version |
| "\x00\x00\x00\x00\x00\x00\x00\x03" // Tree size |
| "\x20"; // Root hash size |
| const size_t kLogRootDescriptorHeaderSize = |
| sizeof(kLogRootDescriptorHeader) - 1; |
| const uint8_t kLogRootDescriptorRootHash[] = |
| "\x40\x79\x2f\xf1\xcb\xfc\xd1\x8a\x13\x70\x90\xaf\x6a\x16\x4d\xa9" |
| "\x36\x80\x99\xb3\xf9\x7f\x99\x13\x3e\x07\xff\xbc\x73\x42\xfc\xc7"; |
| const uint8_t kLogRootDescriptorFooter[] = |
| "\x00\x00\x00\x00\x13\x36\x4b\xff" // Timestamp |
| "\x00\x00\x00\x00\x00\x00\x00\x00" // Revision |
| "\x00\x00"; // Metadata size |
| const size_t kLogRootDescriptorFooterSize = |
| sizeof(kLogRootDescriptorFooter) - 1; |
| /* Signature of the log root descriptor. |
| * $ openssl dgst -sha256 -sign testkey_rsa4096.pem \ |
| * -out kLogRootHashSignature log_root_descriptor_raw |
| * log_root_descriptor_raw is defined as the concatenation: |
| * kLogRootDescriptorHeader || kLogRootDescriptorRootHash || |
| * kLogRootDescriptorFooter */ |
| const uint8_t kLogRootHashSignature[] = { |
| 0x55, 0x1d, 0xd3, 0x13, 0x3c, 0x41, 0xde, 0x67, 0x79, 0xf1, 0xc6, 0xad, |
| 0x72, 0x10, 0xff, 0xfb, 0x6d, 0xac, 0xc1, 0x1c, 0x06, 0x2a, 0x3e, 0xa8, |
| 0xd9, 0xf3, 0x8c, 0x9c, 0x67, 0xbe, 0x1e, 0x8e, 0xe1, 0x02, 0xf6, 0xdb, |
| 0xd2, 0x5c, 0x31, 0x4b, 0x26, 0xad, 0x9a, 0xd1, 0xf5, 0x7d, 0xb9, 0x6b, |
| 0x4b, 0xf1, 0x7a, 0x89, 0x9d, 0xf0, 0x17, 0xb4, 0xee, 0xb2, 0x08, 0x0d, |
| 0xd8, 0x99, 0xac, 0x7b, 0x34, 0x1f, 0xd1, 0x9c, 0x2e, 0x0c, 0xd1, 0xb1, |
| 0x42, 0x34, 0xf2, 0x65, 0xbb, 0x79, 0x7a, 0xac, 0x23, 0x37, 0xec, 0xfc, |
| 0xff, 0xbf, 0x66, 0x51, 0xed, 0x3e, 0xa7, 0x45, 0x3a, 0xf9, 0x72, 0xaa, |
| 0x01, 0x3c, 0xfd, 0x59, 0x01, 0x67, 0x67, 0xb4, 0x57, 0x23, 0xb6, 0x7e, |
| 0x59, 0x82, 0xb3, 0x98, 0xa2, 0x57, 0xd4, 0x64, 0x83, 0xaa, 0x02, 0x17, |
| 0x87, 0xfd, 0xa2, 0xe2, 0x3b, 0xa8, 0xf5, 0xc2, 0xfb, 0xce, 0x7f, 0x59, |
| 0x72, 0x10, 0xc5, 0x11, 0x81, 0x80, 0x20, 0x4a, 0x3e, 0xf9, 0x85, 0x2e, |
| 0x44, 0x94, 0x87, 0xec, 0xfa, 0x2e, 0x8f, 0x75, 0x00, 0x6f, 0x52, 0x1b, |
| 0x4d, 0x5c, 0xfc, 0xe4, 0x1f, 0xe2, 0x94, 0xbc, 0x8c, 0xe8, 0x7f, 0x74, |
| 0x14, 0x2f, 0x66, 0x8e, 0xfb, 0x11, 0x34, 0xde, 0x80, 0x21, 0x92, 0xc3, |
| 0x52, 0xa7, 0xf7, 0x5e, 0x49, 0x53, 0x21, 0x7d, 0x8b, 0xa2, 0xcb, 0x84, |
| 0x80, 0x64, 0x0d, 0xd7, 0xd0, 0x6d, 0x6f, 0x2a, 0x98, 0x57, 0x3b, 0x95, |
| 0xa1, 0x63, 0x39, 0x00, 0x22, 0x9e, 0x5a, 0x75, 0x07, 0x10, 0x1f, 0x7e, |
| 0xdb, 0x05, 0x5d, 0x3d, 0x76, 0x75, 0x3c, 0x1a, 0xd4, 0x1e, 0x8d, 0x6e, |
| 0xce, 0x57, 0xd6, 0xce, 0x23, 0xc0, 0x23, 0x4c, 0xcb, 0x10, 0xec, 0x59, |
| 0x22, 0x64, 0x57, 0x33, 0x1c, 0x3f, 0xa9, 0x43, 0x97, 0xc1, 0xc0, 0x93, |
| 0x5a, 0x16, 0x80, 0x51, 0x56, 0x28, 0x98, 0x33, 0xee, 0x1a, 0xf8, 0x38, |
| 0x7a, 0xaa, 0xdb, 0x43, 0x39, 0x90, 0x9e, 0x74, 0xb7, 0x9f, 0xfe, 0xa5, |
| 0x84, 0x69, 0xf5, 0x77, 0x80, 0x92, 0xec, 0x06, 0x06, 0xe0, 0xd2, 0x98, |
| 0x34, 0x66, 0x25, 0xc3, 0x7c, 0x89, 0x78, 0x3a, 0x0b, 0x48, 0x49, 0x37, |
| 0x46, 0x07, 0xc4, 0xc8, 0x04, 0x72, 0x45, 0x60, 0x36, 0x98, 0x2d, 0x47, |
| 0xfe, 0xba, 0x74, 0xb9, 0xb0, 0xe4, 0xf5, 0x45, 0xa0, 0xfb, 0x4a, 0x53, |
| 0xe0, 0x16, 0x6a, 0x6b, 0x82, 0xcc, 0x33, 0x1c, 0x3c, 0x64, 0xe0, 0x90, |
| 0x3c, 0x59, 0xfa, 0x04, 0x51, 0xe0, 0xe8, 0xaa, 0xe9, 0x92, 0x43, 0x04, |
| 0x2a, 0x49, 0xd4, 0xdf, 0xac, 0x1d, 0x46, 0x44, 0xad, 0x65, 0x62, 0xaf, |
| 0x44, 0x16, 0xb0, 0x05, 0x56, 0x2b, 0xa4, 0xad, 0x4c, 0x7e, 0xbd, 0x04, |
| 0x95, 0xcb, 0xce, 0x0e, 0xf6, 0xd5, 0x4b, 0x3a, 0xc0, 0xde, 0x1e, 0xf8, |
| 0xfa, 0xf5, 0x73, 0x4a, 0x6d, 0xc2, 0x4a, 0xe1, 0xaf, 0xae, 0xd8, 0x31, |
| 0x23, 0x16, 0x5d, 0x15, 0x41, 0xe6, 0xbf, 0x4a, 0xe0, 0xf3, 0xdd, 0x74, |
| 0x32, 0x96, 0x64, 0x4c, 0x16, 0x7d, 0xd3, 0xad, 0x21, 0x47, 0x2b, 0x17, |
| 0xb9, 0xf3, 0x84, 0x38, 0x80, 0x60, 0xb6, 0xcb, 0x24, 0x45, 0x24, 0x90, |
| 0x74, 0xe9, 0x50, 0xea, 0x2e, 0x1f, 0xc2, 0x74, 0x36, 0xa2, 0xf5, 0xd7, |
| 0x24, 0xb3, 0xa1, 0x1f, 0xd3, 0x39, 0x61, 0x67, 0x37, 0xe4, 0x2a, 0x20, |
| 0x67, 0x95, 0x53, 0x9d, 0xd4, 0xdb, 0x4f, 0xa6, 0xb8, 0x7f, 0x91, 0xb2, |
| 0xc5, 0x6f, 0x71, 0x3c, 0x86, 0xc8, 0x36, 0x8d, 0xa4, 0x4d, 0x53, 0x6b, |
| 0x3f, 0xe6, 0xce, 0xf1, 0x7a, 0xa2, 0x2e, 0x53, 0x80, 0x4c, 0x52, 0x9d, |
| 0x3e, 0xd7, 0xec, 0x47, 0x4a, 0xfa, 0x84, 0xa5, 0x9a, 0x2f, 0x7b, 0xfc, |
| 0xfc, 0xe8, 0xa4, 0x09, 0xfb, 0xb5, 0xb7, 0xf2}; |
| BaseAvbToolTest::SetUp(); |
| |
| /* Read in test data from the key and log_sig binaries. */ |
| ASSERT_TRUE( |
| base::ReadFileToString(base::FilePath(kKeyBytesPath), &key_bytes_)); |
| |
| /* Allocate and populate the inclusion proof */ |
| icp_entry_ = (AftlIcpEntry*)avb_malloc(sizeof(AftlIcpEntry)); |
| if (!icp_entry_) return; |
| icp_entry_->log_root_descriptor.version = 1; |
| icp_entry_->log_root_descriptor.tree_size = 3; |
| icp_entry_->log_root_descriptor.root_hash_size = AVB_AFTL_HASH_SIZE; |
| icp_entry_->log_root_descriptor.timestamp = 322325503; |
| icp_entry_->log_root_descriptor.revision = 0; |
| icp_entry_->log_root_descriptor.metadata_size = 0; |
| icp_entry_->log_root_descriptor.metadata = NULL; |
| icp_entry_->log_root_descriptor_size = kLogRootDescriptorHeaderSize + |
| AVB_AFTL_HASH_SIZE + |
| kLogRootDescriptorFooterSize; |
| icp_entry_->log_root_descriptor_raw = |
| (uint8_t*)avb_malloc(icp_entry_->log_root_descriptor_size); |
| if (!icp_entry_->log_root_descriptor_raw) { |
| return; |
| } |
| memcpy(icp_entry_->log_root_descriptor_raw, |
| kLogRootDescriptorHeader, |
| kLogRootDescriptorHeaderSize); |
| memcpy(icp_entry_->log_root_descriptor_raw + kLogRootDescriptorHeaderSize, |
| kLogRootDescriptorRootHash, |
| AVB_AFTL_HASH_SIZE); |
| memcpy(icp_entry_->log_root_descriptor_raw + kLogRootDescriptorHeaderSize + |
| AVB_AFTL_HASH_SIZE, |
| kLogRootDescriptorFooter, |
| kLogRootDescriptorFooterSize); |
| icp_entry_->log_root_descriptor.root_hash = |
| (uint8_t*)avb_malloc(AVB_AFTL_HASH_SIZE); |
| if (!icp_entry_->log_root_descriptor.root_hash) return; |
| /* Copy the hash from within the raw version */ |
| memcpy(icp_entry_->log_root_descriptor.root_hash, |
| kLogRootDescriptorRootHash, |
| AVB_AFTL_HASH_SIZE); |
| icp_entry_->log_root_sig_size = AVB_AFTL_SIGNATURE_SIZE; |
| icp_entry_->log_root_signature = |
| (uint8_t*)avb_malloc(AVB_AFTL_SIGNATURE_SIZE); |
| memcpy(icp_entry_->log_root_signature, |
| kLogRootHashSignature, |
| AVB_AFTL_SIGNATURE_SIZE); |
| |
| /* Allocate the annotation leaf */ |
| icp_entry_->annotation_leaf_size = |
| kAnnotationLeafHeaderSize + kSignatureSize + kAnnotationHeaderSize + |
| AVB_AFTL_HASH_SIZE + kAnnotationFooterSize; |
| icp_entry_->annotation_leaf = |
| (SignedVBMetaPrimaryAnnotationLeaf*)avb_calloc( |
| sizeof(SignedVBMetaPrimaryAnnotationLeaf)); |
| if (!icp_entry_->annotation_leaf) return; |
| icp_entry_->annotation_leaf->version = 1; |
| icp_entry_->annotation_leaf->timestamp = 0; |
| icp_entry_->annotation_leaf->leaf_type = |
| AVB_AFTL_SIGNED_VBMETA_PRIMARY_ANNOTATION_LEAF; |
| icp_entry_->annotation_leaf->annotation = |
| (VBMetaPrimaryAnnotation*)avb_calloc(sizeof(VBMetaPrimaryAnnotation)); |
| if (!icp_entry_->annotation_leaf->annotation) return; |
| icp_entry_->annotation_leaf->annotation->vbmeta_hash_size = |
| AVB_AFTL_HASH_SIZE; |
| icp_entry_->annotation_leaf->annotation->vbmeta_hash = |
| (uint8_t*)avb_calloc(AVB_AFTL_HASH_SIZE); |
| if (!icp_entry_->annotation_leaf->annotation->vbmeta_hash) return; |
| memcpy(icp_entry_->annotation_leaf->annotation->vbmeta_hash, |
| kVBMetaHash, |
| AVB_AFTL_HASH_SIZE); |
| icp_entry_->annotation_leaf_raw = |
| (uint8_t*)avb_calloc(icp_entry_->annotation_leaf_size); |
| if (!icp_entry_->annotation_leaf_raw) return; |
| memcpy(icp_entry_->annotation_leaf_raw, |
| kAnnotationLeafHeader, |
| kAnnotationLeafHeaderSize); |
| memcpy(icp_entry_->annotation_leaf_raw + kAnnotationLeafHeaderSize, |
| kSignature, |
| kSignatureSize); |
| memcpy(icp_entry_->annotation_leaf_raw + kAnnotationLeafHeaderSize + |
| kSignatureSize, |
| kAnnotationHeader, |
| kAnnotationHeaderSize); |
| memcpy(icp_entry_->annotation_leaf_raw + kAnnotationLeafHeaderSize + |
| kSignatureSize + kAnnotationHeaderSize, |
| kVBMetaHash, |
| AVB_AFTL_HASH_SIZE); |
| memcpy(icp_entry_->annotation_leaf_raw + kAnnotationLeafHeaderSize + |
| kSignatureSize + kAnnotationHeaderSize + AVB_AFTL_HASH_SIZE, |
| kAnnotationFooter, |
| kAnnotationFooterSize); |
| |
| icp_entry_->leaf_index = 2; |
| icp_entry_->proofs = |
| (uint8_t(*)[AVB_AFTL_HASH_SIZE])avb_calloc(AVB_AFTL_HASH_SIZE); |
| memcpy(icp_entry_->proofs[0], |
| "\xfa\xc5\x42\x03\xe7\xcc\x69\x6c\xf0\xdf\xcb\x42\xc9\x2a\x1d\x9d" |
| "\xba\xf7\x0a\xd9\xe6\x21\xf4\xbd\x8d\x98\x66\x2f\x00\xe3\xc1\x25", |
| AVB_AFTL_HASH_SIZE); |
| icp_entry_->proof_hash_count = 1; |
| } |
| |
| void TearDown() override { |
| if (icp_entry_) { |
| if (icp_entry_->annotation_leaf_raw) |
| avb_free(icp_entry_->annotation_leaf_raw); |
| if (icp_entry_->annotation_leaf) { |
| if (icp_entry_->annotation_leaf->annotation) { |
| if (icp_entry_->annotation_leaf->annotation->vbmeta_hash) |
| avb_free(icp_entry_->annotation_leaf->annotation->vbmeta_hash); |
| avb_free(icp_entry_->annotation_leaf->annotation); |
| } |
| avb_free(icp_entry_->annotation_leaf); |
| } |
| if (icp_entry_->log_root_descriptor.root_hash) |
| avb_free(icp_entry_->log_root_descriptor.root_hash); |
| if (icp_entry_->log_root_descriptor_raw) |
| avb_free(icp_entry_->log_root_descriptor_raw); |
| if (icp_entry_->log_root_signature) |
| avb_free(icp_entry_->log_root_signature); |
| if (icp_entry_->proofs) avb_free(icp_entry_->proofs); |
| avb_free(icp_entry_); |
| } |
| BaseAvbToolTest::TearDown(); |
| } |
| |
| protected: |
| AftlIcpEntry* icp_entry_; |
| std::string key_bytes_; |
| }; |
| |
| TEST_F(AvbAftlValidateTest, VerifyEntrySignature) { |
| EXPECT_EQ(true, |
| avb_aftl_verify_entry_signature( |
| (uint8_t*)key_bytes_.data(), key_bytes_.size(), icp_entry_)); |
| } |
| |
| TEST_F(AvbAftlValidateTest, VerifyIcpRootHash) { |
| EXPECT_EQ(true, avb_aftl_verify_icp_root_hash(icp_entry_)); |
| } |
| |
| TEST_F(AvbAftlValidateTest, VerifyVbmetaHash) { |
| std::string vbmeta; |
| ASSERT_TRUE(base::ReadFileToString(base::FilePath(kVBMetaPath), &vbmeta)); |
| EXPECT_EQ(true, |
| avb_aftl_verify_vbmeta_hash( |
| (uint8_t*)vbmeta.data(), vbmeta.size(), icp_entry_)); |
| } |
| |
| TEST_F(AvbAftlValidateTest, RootFromIcp) { |
| /* Tests from trillian root_from_icp functionality: |
| https://github.com/google/trillian/blob/master/merkle/log_verifier_test.go |
| */ |
| uint64_t leaf_index; |
| uint64_t tree_size; |
| uint8_t proof[3][AVB_AFTL_HASH_SIZE]; |
| uint8_t leaf_hash[AVB_AFTL_HASH_SIZE]; |
| uint8_t hash[AVB_AFTL_HASH_SIZE]; |
| |
| leaf_index = 0; |
| tree_size = 8; |
| avb_aftl_rfc6962_hash_leaf((uint8_t*)"", 0, leaf_hash); |
| memcpy(proof[0], |
| "\x96\xa2\x96\xd2\x24\xf2\x85\xc6\x7b\xee\x93\xc3\x0f\x8a\x30\x91" |
| "\x57\xf0\xda\xa3\x5d\xc5\xb8\x7e\x41\x0b\x78\x63\x0a\x09\xcf\xc7", |
| AVB_AFTL_HASH_SIZE); |
| memcpy(proof[1], |
| "\x5f\x08\x3f\x0a\x1a\x33\xca\x07\x6a\x95\x27\x98\x32\x58\x0d\xb3" |
| "\xe0\xef\x45\x84\xbd\xff\x1f\x54\xc8\xa3\x60\xf5\x0d\xe3\x03\x1e", |
| AVB_AFTL_HASH_SIZE); |
| memcpy(proof[2], |
| "\x6b\x47\xaa\xf2\x9e\xe3\xc2\xaf\x9a\xf8\x89\xbc\x1f\xb9\x25\x4d" |
| "\xab\xd3\x11\x77\xf1\x62\x32\xdd\x6a\xab\x03\x5c\xa3\x9b\xf6\xe4", |
| AVB_AFTL_HASH_SIZE); |
| avb_aftl_root_from_icp( |
| leaf_index, tree_size, proof, 3, leaf_hash, AVB_AFTL_HASH_SIZE, hash); |
| EXPECT_EQ("5dc9da79a70659a9ad559cb701ded9a2ab9d823aad2f4960cfe370eff4604328", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)) |
| << "Failed on test #1"; |
| |
| leaf_index = 5; |
| tree_size = 8; |
| avb_aftl_rfc6962_hash_leaf((uint8_t*)"@ABC", 4, leaf_hash); |
| memcpy(proof[0], |
| "\xbc\x1a\x06\x43\xb1\x2e\x4d\x2d\x7c\x77\x91\x8f\x44\xe0\xf4\xf7" |
| "\x9a\x83\x8b\x6c\xf9\xec\x5b\x5c\x28\x3e\x1f\x4d\x88\x59\x9e\x6b", |
| AVB_AFTL_HASH_SIZE); |
| memcpy(proof[1], |
| "\xca\x85\x4e\xa1\x28\xed\x05\x0b\x41\xb3\x5f\xfc\x1b\x87\xb8\xeb" |
| "\x2b\xde\x46\x1e\x9e\x3b\x55\x96\xec\xe6\xb9\xd5\x97\x5a\x0a\xe0", |
| AVB_AFTL_HASH_SIZE); |
| memcpy(proof[2], |
| "\xd3\x7e\xe4\x18\x97\x6d\xd9\x57\x53\xc1\xc7\x38\x62\xb9\x39\x8f" |
| "\xa2\xa2\xcf\x9b\x4f\xf0\xfd\xfe\x8b\x30\xcd\x95\x20\x96\x14\xb7", |
| AVB_AFTL_HASH_SIZE); |
| avb_aftl_root_from_icp( |
| leaf_index, tree_size, proof, 3, leaf_hash, AVB_AFTL_HASH_SIZE, hash); |
| EXPECT_EQ("5dc9da79a70659a9ad559cb701ded9a2ab9d823aad2f4960cfe370eff4604328", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)) |
| << "Failed on test #2"; |
| |
| leaf_index = 2; |
| tree_size = 3; |
| avb_aftl_rfc6962_hash_leaf((uint8_t*)"\x10", 1, leaf_hash); |
| memcpy(proof[0], |
| "\xfa\xc5\x42\x03\xe7\xcc\x69\x6c\xf0\xdf\xcb\x42\xc9\x2a\x1d\x9d" |
| "\xba\xf7\x0a\xd9\xe6\x21\xf4\xbd\x8d\x98\x66\x2f\x00\xe3\xc1\x25", |
| AVB_AFTL_HASH_SIZE); |
| avb_aftl_root_from_icp( |
| leaf_index, tree_size, proof, 1, leaf_hash, AVB_AFTL_HASH_SIZE, hash); |
| EXPECT_EQ("aeb6bcfe274b70a14fb067a5e5578264db0fa9b51af5e0ba159158f329e06e77", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)) |
| << "Failed on test #3"; |
| |
| leaf_index = 1; |
| tree_size = 5; |
| avb_aftl_rfc6962_hash_leaf((uint8_t*)"\x00", 1, leaf_hash); |
| memcpy(proof[0], |
| "\x6e\x34\x0b\x9c\xff\xb3\x7a\x98\x9c\xa5\x44\xe6\xbb\x78\x0a\x2c" |
| "\x78\x90\x1d\x3f\xb3\x37\x38\x76\x85\x11\xa3\x06\x17\xaf\xa0\x1d", |
| AVB_AFTL_HASH_SIZE); |
| memcpy(proof[1], |
| "\x5f\x08\x3f\x0a\x1a\x33\xca\x07\x6a\x95\x27\x98\x32\x58\x0d\xb3" |
| "\xe0\xef\x45\x84\xbd\xff\x1f\x54\xc8\xa3\x60\xf5\x0d\xe3\x03\x1e", |
| AVB_AFTL_HASH_SIZE); |
| memcpy(proof[2], |
| "\xbc\x1a\x06\x43\xb1\x2e\x4d\x2d\x7c\x77\x91\x8f\x44\xe0\xf4\xf7" |
| "\x9a\x83\x8b\x6c\xf9\xec\x5b\x5c\x28\x3e\x1f\x4d\x88\x59\x9e\x6b", |
| AVB_AFTL_HASH_SIZE); |
| avb_aftl_root_from_icp( |
| leaf_index, tree_size, proof, 3, leaf_hash, AVB_AFTL_HASH_SIZE, hash); |
| EXPECT_EQ("4e3bbb1f7b478dcfe71fb631631519a3bca12c9aefca1612bfce4c13a86264d4", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)) |
| << "Failed on test #4"; |
| } |
| |
| TEST_F(AvbAftlValidateTest, ChainInner) { |
| uint8_t hash[AVB_AFTL_HASH_SIZE]; |
| uint8_t seed[AVB_AFTL_HASH_SIZE]; |
| uint8_t proof[4][AVB_AFTL_HASH_SIZE]; |
| uint64_t i; |
| |
| for (i = 0; i < AVB_AFTL_HASH_SIZE; i++) { |
| hash[i] = 0; |
| } |
| |
| memcpy(seed, "1234567890abcdefghijklmnopqrstuv", AVB_AFTL_HASH_SIZE); |
| memcpy(proof[0], "abcdefghijklmnopqrstuvwxyz123456", AVB_AFTL_HASH_SIZE); |
| avb_aftl_chain_inner(seed, AVB_AFTL_HASH_SIZE, (uint8_t*)proof, 1, 0, hash); |
| EXPECT_EQ("9cb6af81b146b6a81d911d26f4c0d467265a3385d6caf926d5515e58efd161a3", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)) |
| << "Failed with seed: " |
| << "\"1234567890abcdefghijklmnopqrstuv\", proof [" |
| << "\"abcdefghijklmnopqrstuvwxyz123456\"], and leaf_index 0"; |
| memcpy(proof[1], "7890abcdefghijklmnopqrstuvwxyz12", AVB_AFTL_HASH_SIZE); |
| avb_aftl_chain_inner(seed, AVB_AFTL_HASH_SIZE, (uint8_t*)proof, 2, 0, hash); |
| EXPECT_EQ("368d8213cd7d62335a84b3a3d75c8a0302c0d63c93cbbd22c5396dc4c75ba019", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)) |
| << "Failed with seed: " |
| << "\"1234567890abcdefghijklmnopqrstuv\", proof [" |
| << "\"abcdefghijklmnopqrstuvwxyz123456\", " |
| "\"7890abcdefghijklmnopqrstuvwxyz12\"]," |
| << " and leaf_index 0"; |
| avb_aftl_chain_inner(seed, AVB_AFTL_HASH_SIZE, (uint8_t*)proof, 2, 1, hash); |
| EXPECT_EQ("78418158eb5943c50ec581b41f105ba9aecc1b9e7aba3ea2e93021cbd5bd166e", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)) |
| << "Failed with seed: " |
| << "\"1234567890abcdefghijklmnopqrstuv\", proof [" |
| << "\"abcdefghijklmnopqrstuvwxyz123456\", " |
| "\"7890abcdefghijklmnopqrstuvwxyz12\"]," |
| << " and leaf_index 1"; |
| memcpy(proof[2], "abcdefghijklmn0pqrstuvwxyz123456", AVB_AFTL_HASH_SIZE); |
| memcpy(proof[3], "7890abcdefgh1jklmnopqrstuvwxyz12", AVB_AFTL_HASH_SIZE); |
| avb_aftl_chain_inner(seed, AVB_AFTL_HASH_SIZE, (uint8_t*)proof, 4, 1, hash); |
| EXPECT_EQ("83309c48fb92707f5788b6dd4c9a89042dff20856ad9529b7fb8e5cdf47c04f8", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)) |
| << "Failed with seed: " |
| << "\"1234567890abcdefghijklmnopqrstuv\", proof [" |
| << "\"abcdefghijklmnopqrstuvwxyz123456\", " |
| "\"7890abcdefghijklmnopqrstuvwxyz12\"," |
| << "\"abcdefghijklmnopqrstuvwxyz123456\", " |
| "\"7890abcdefghijklmnopqrstuvwxyz12\"]" |
| << " and leaf_index 1"; |
| avb_aftl_chain_inner(seed, AVB_AFTL_HASH_SIZE, (uint8_t*)proof, 4, 3, hash); |
| EXPECT_EQ("13e5f7e441dc4dbea659acbc989ac33222f4447546e3dac36b0e0c9977d52b97", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)) |
| << "Failed with seed: " |
| << "\"1234567890abcdefghijklmnopqrstuv\", proof [" |
| << "\"abcdefghijklmnopqrstuvwxyz123456\", " |
| "\"7890abcdefghijklmnopqrstuvwxyz12\"," |
| << "\"abcdefghijklmnopqrstuvwxyz123456\", " |
| "\"7890abcdefghijklmnopqrstuvwxyz12\"]" |
| << " and leaf_index 3"; |
| } |
| |
| TEST_F(AvbAftlValidateTest, ChainBorderRight) { |
| uint8_t hash[AVB_AFTL_HASH_SIZE]; |
| uint8_t seed[AVB_AFTL_HASH_SIZE]; |
| uint8_t proof[2][AVB_AFTL_HASH_SIZE]; |
| uint64_t i; |
| |
| for (i = 0; i < AVB_AFTL_HASH_SIZE; i++) { |
| hash[i] = 0; |
| } |
| |
| memcpy(seed, "1234567890abcdefghijklmnopqrstuv", AVB_AFTL_HASH_SIZE); |
| memcpy(proof[0], "abcdefghijklmnopqrstuvwxyz123456", AVB_AFTL_HASH_SIZE); |
| avb_aftl_chain_border_right( |
| seed, AVB_AFTL_HASH_SIZE, (uint8_t*)proof, 1, hash); |
| EXPECT_EQ("363aa8a62b784be38392ab69ade1aac2562f8989ce8986bec685d2957d657310", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)) |
| << "Failed with seed: " |
| << "\"1234567890abcdefghijklmnopqrstuv\" and proof " |
| "[\"abcdefghijklmnopqrstuvwxyz123456\"]"; |
| memcpy(proof[1], "7890abcdefghijklmnopqrstuvwxyz12", AVB_AFTL_HASH_SIZE); |
| avb_aftl_chain_border_right( |
| seed, AVB_AFTL_HASH_SIZE, (uint8_t*)proof, 2, hash); |
| EXPECT_EQ("618fc58c45faea808e0bbe0f82afbe7687f4db2608824120e8ade507cbce221f", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)) |
| << "Failed with seed: " |
| << "\"1234567890abcdefghijklmnopqrstuv\" and proof [" |
| << "\"abcdefghijklmnopqrstuvwxyz123456\", " |
| "\"7890abcdefghijklmnopqrstuvwxyz12\"]"; |
| } |
| |
| TEST_F(AvbAftlValidateTest, RFC6962HashChildren) { |
| uint8_t hash[AVB_AFTL_HASH_SIZE]; |
| |
| avb_aftl_rfc6962_hash_children((uint8_t*)"", 0, (uint8_t*)"", 0, hash); |
| EXPECT_EQ("4bf5122f344554c53bde2ebb8cd2b7e3d1600ad631c385a5d7cce23c7785459a", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)) |
| << "Failed on inputs \"\" and \"\""; |
| |
| avb_aftl_rfc6962_hash_children((uint8_t*)"abcd", 4, (uint8_t*)"", 0, hash); |
| EXPECT_EQ("b75eb7b06e69c1c49597fba37398e0f5ba319c7164ed67bb19b41e9d576313b9", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)) |
| << "Failed on inputs \"abcd\" and \"\""; |
| |
| avb_aftl_rfc6962_hash_children((uint8_t*)"", 0, (uint8_t*)"efgh", 4, hash); |
| EXPECT_EQ("8d65f3e92e3853cee633345caca3e035f01c2e44815371985baed2c45c10ca40", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)) |
| << "Failed on inputs \"\" and \"efgh\""; |
| |
| avb_aftl_rfc6962_hash_children( |
| (uint8_t*)"abcd", 4, (uint8_t*)"efgh", 4, hash); |
| EXPECT_EQ("41561b1297f692dad705e28ece8bf47060fba1abeeebda0aa67c43570a36bf79", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)) |
| << "Failed on inputs \"abcd\" and \"efgh\""; |
| } |
| |
| TEST_F(AvbAftlValidateTest, RFC6962HashLeaf) { |
| uint8_t hash[AVB_AFTL_HASH_SIZE]; |
| avb_aftl_rfc6962_hash_leaf((uint8_t*)"", 0, hash); |
| EXPECT_EQ("6e340b9cffb37a989ca544e6bb780a2c78901d3fb33738768511a30617afa01d", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)) |
| << "Failed on input \"\""; |
| avb_aftl_rfc6962_hash_leaf((uint8_t*)"abcdefg", 7, hash); |
| EXPECT_EQ("6b43f785b72386e132b275bc918c25dbc687ab8427836bef6ce4509b64f4f54d", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)) |
| << "Failed on input \"abcdefg\""; |
| } |
| |
| TEST_F(AvbAftlValidateTest, Sha256) { |
| /* Computed with: |
| * |
| * $ echo -n foobar |sha256sum |
| * c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2 |
| */ |
| uint8_t hash[AVB_AFTL_HASH_SIZE]; |
| avb_aftl_sha256(NULL, 0, hash); |
| EXPECT_EQ("e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)); |
| avb_aftl_sha256((uint8_t*)"foobar", 6, hash); |
| EXPECT_EQ("c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2", |
| mem_to_hexstring(hash, AVB_AFTL_HASH_SIZE)); |
| } |
| |
| TEST_F(AvbAftlValidateTest, AvbAftlCountLeadingZeros) { |
| /* Spot checks to ensure aftl_count_leading_zeros is correct. */ |
| EXPECT_EQ(52ull, avb_aftl_count_leading_zeros(4095)) |
| << "Failed on input 4095"; |
| EXPECT_EQ(12ull, avb_aftl_count_leading_zeros(0xfffffffffffff)) |
| << "Failed on input 0xfffffffffffff"; |
| EXPECT_EQ(64ull, avb_aftl_count_leading_zeros(0)) << "Failed on input 0"; |
| EXPECT_EQ(0ull, avb_aftl_count_leading_zeros(0xffffffffffffffff)) |
| << "Failed on input 0xffffffffffffffff"; |
| } |
| |
| } /* namespace avb */ |