mirror of
https://github.com/apple/swift.git
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f5cb08e3d1
Use SipHash-2-4 to replace llvm::MD5 as the hashing implementation backing Fingerprints and the interface hash.
333 lines
10 KiB
C++
333 lines
10 KiB
C++
//===--- StableHasher.cpp -------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2021 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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#include "swift/Basic/StableHasher.h"
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#include "gtest/gtest.h"
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using namespace swift;
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const uint8_t vectors_sip128[64][16] = {
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{
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0xa3, 0x81, 0x7f, 0x04, 0xba, 0x25, 0xa8, 0xe6, 0x6d, 0xf6, 0x72, 0x14,
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0xc7, 0x55, 0x02, 0x93,
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},
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{
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0xda, 0x87, 0xc1, 0xd8, 0x6b, 0x99, 0xaf, 0x44, 0x34, 0x76, 0x59, 0x11,
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0x9b, 0x22, 0xfc, 0x45,
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},
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{
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0x81, 0x77, 0x22, 0x8d, 0xa4, 0xa4, 0x5d, 0xc7, 0xfc, 0xa3, 0x8b, 0xde,
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0xf6, 0x0a, 0xff, 0xe4,
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},
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{
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0x9c, 0x70, 0xb6, 0x0c, 0x52, 0x67, 0xa9, 0x4e, 0x5f, 0x33, 0xb6, 0xb0,
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0x29, 0x85, 0xed, 0x51,
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},
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{
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0xf8, 0x81, 0x64, 0xc1, 0x2d, 0x9c, 0x8f, 0xaf, 0x7d, 0x0f, 0x6e, 0x7c,
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0x7b, 0xcd, 0x55, 0x79,
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},
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{
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0x13, 0x68, 0x87, 0x59, 0x80, 0x77, 0x6f, 0x88, 0x54, 0x52, 0x7a, 0x07,
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0x69, 0x0e, 0x96, 0x27,
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},
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{
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0x14, 0xee, 0xca, 0x33, 0x8b, 0x20, 0x86, 0x13, 0x48, 0x5e, 0xa0, 0x30,
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0x8f, 0xd7, 0xa1, 0x5e,
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},
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{
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0xa1, 0xf1, 0xeb, 0xbe, 0xd8, 0xdb, 0xc1, 0x53, 0xc0, 0xb8, 0x4a, 0xa6,
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0x1f, 0xf0, 0x82, 0x39,
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},
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{
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0x3b, 0x62, 0xa9, 0xba, 0x62, 0x58, 0xf5, 0x61, 0x0f, 0x83, 0xe2, 0x64,
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0xf3, 0x14, 0x97, 0xb4,
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},
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{
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0x26, 0x44, 0x99, 0x06, 0x0a, 0xd9, 0xba, 0xab, 0xc4, 0x7f, 0x8b, 0x02,
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0xbb, 0x6d, 0x71, 0xed,
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},
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{
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0x00, 0x11, 0x0d, 0xc3, 0x78, 0x14, 0x69, 0x56, 0xc9, 0x54, 0x47, 0xd3,
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0xf3, 0xd0, 0xfb, 0xba,
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},
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{
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0x01, 0x51, 0xc5, 0x68, 0x38, 0x6b, 0x66, 0x77, 0xa2, 0xb4, 0xdc, 0x6f,
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0x81, 0xe5, 0xdc, 0x18,
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},
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{
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0xd6, 0x26, 0xb2, 0x66, 0x90, 0x5e, 0xf3, 0x58, 0x82, 0x63, 0x4d, 0xf6,
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0x85, 0x32, 0xc1, 0x25,
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},
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{
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0x98, 0x69, 0xe2, 0x47, 0xe9, 0xc0, 0x8b, 0x10, 0xd0, 0x29, 0x93, 0x4f,
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0xc4, 0xb9, 0x52, 0xf7,
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},
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{
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0x31, 0xfc, 0xef, 0xac, 0x66, 0xd7, 0xde, 0x9c, 0x7e, 0xc7, 0x48, 0x5f,
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0xe4, 0x49, 0x49, 0x02,
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},
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{
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0x54, 0x93, 0xe9, 0x99, 0x33, 0xb0, 0xa8, 0x11, 0x7e, 0x08, 0xec, 0x0f,
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0x97, 0xcf, 0xc3, 0xd9,
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},
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{
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0x6e, 0xe2, 0xa4, 0xca, 0x67, 0xb0, 0x54, 0xbb, 0xfd, 0x33, 0x15, 0xbf,
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0x85, 0x23, 0x05, 0x77,
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},
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{
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0x47, 0x3d, 0x06, 0xe8, 0x73, 0x8d, 0xb8, 0x98, 0x54, 0xc0, 0x66, 0xc4,
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0x7a, 0xe4, 0x77, 0x40,
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},
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{
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0xa4, 0x26, 0xe5, 0xe4, 0x23, 0xbf, 0x48, 0x85, 0x29, 0x4d, 0xa4, 0x81,
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0xfe, 0xae, 0xf7, 0x23,
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},
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{
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0x78, 0x01, 0x77, 0x31, 0xcf, 0x65, 0xfa, 0xb0, 0x74, 0xd5, 0x20, 0x89,
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0x52, 0x51, 0x2e, 0xb1,
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},
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{
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0x9e, 0x25, 0xfc, 0x83, 0x3f, 0x22, 0x90, 0x73, 0x3e, 0x93, 0x44, 0xa5,
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0xe8, 0x38, 0x39, 0xeb,
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},
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{
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0x56, 0x8e, 0x49, 0x5a, 0xbe, 0x52, 0x5a, 0x21, 0x8a, 0x22, 0x14, 0xcd,
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0x3e, 0x07, 0x1d, 0x12,
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},
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{
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0x4a, 0x29, 0xb5, 0x45, 0x52, 0xd1, 0x6b, 0x9a, 0x46, 0x9c, 0x10, 0x52,
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0x8e, 0xff, 0x0a, 0xae,
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},
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{
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0xc9, 0xd1, 0x84, 0xdd, 0xd5, 0xa9, 0xf5, 0xe0, 0xcf, 0x8c, 0xe2, 0x9a,
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0x9a, 0xbf, 0x69, 0x1c,
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},
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{
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0x2d, 0xb4, 0x79, 0xae, 0x78, 0xbd, 0x50, 0xd8, 0x88, 0x2a, 0x8a, 0x17,
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0x8a, 0x61, 0x32, 0xad,
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},
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{
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0x8e, 0xce, 0x5f, 0x04, 0x2d, 0x5e, 0x44, 0x7b, 0x50, 0x51, 0xb9, 0xea,
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0xcb, 0x8d, 0x8f, 0x6f,
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},
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{
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0x9c, 0x0b, 0x53, 0xb4, 0xb3, 0xc3, 0x07, 0xe8, 0x7e, 0xae, 0xe0, 0x86,
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0x78, 0x14, 0x1f, 0x66,
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},
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{
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0xab, 0xf2, 0x48, 0xaf, 0x69, 0xa6, 0xea, 0xe4, 0xbf, 0xd3, 0xeb, 0x2f,
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0x12, 0x9e, 0xeb, 0x94,
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},
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{
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0x06, 0x64, 0xda, 0x16, 0x68, 0x57, 0x4b, 0x88, 0xb9, 0x35, 0xf3, 0x02,
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0x73, 0x58, 0xae, 0xf4,
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},
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{
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0xaa, 0x4b, 0x9d, 0xc4, 0xbf, 0x33, 0x7d, 0xe9, 0x0c, 0xd4, 0xfd, 0x3c,
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0x46, 0x7c, 0x6a, 0xb7,
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},
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{
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0xea, 0x5c, 0x7f, 0x47, 0x1f, 0xaf, 0x6b, 0xde, 0x2b, 0x1a, 0xd7, 0xd4,
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0x68, 0x6d, 0x22, 0x87,
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},
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{
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0x29, 0x39, 0xb0, 0x18, 0x32, 0x23, 0xfa, 0xfc, 0x17, 0x23, 0xde, 0x4f,
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0x52, 0xc4, 0x3d, 0x35,
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},
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{
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0x7c, 0x39, 0x56, 0xca, 0x5e, 0xea, 0xfc, 0x3e, 0x36, 0x3e, 0x9d, 0x55,
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0x65, 0x46, 0xeb, 0x68,
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},
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{
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0x77, 0xc6, 0x07, 0x71, 0x46, 0xf0, 0x1c, 0x32, 0xb6, 0xb6, 0x9d, 0x5f,
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0x4e, 0xa9, 0xff, 0xcf,
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},
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{
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0x37, 0xa6, 0x98, 0x6c, 0xb8, 0x84, 0x7e, 0xdf, 0x09, 0x25, 0xf0, 0xf1,
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0x30, 0x9b, 0x54, 0xde,
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},
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{
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0xa7, 0x05, 0xf0, 0xe6, 0x9d, 0xa9, 0xa8, 0xf9, 0x07, 0x24, 0x1a, 0x2e,
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0x92, 0x3c, 0x8c, 0xc8,
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},
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{
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0x3d, 0xc4, 0x7d, 0x1f, 0x29, 0xc4, 0x48, 0x46, 0x1e, 0x9e, 0x76, 0xed,
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0x90, 0x4f, 0x67, 0x11,
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},
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{
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0x0d, 0x62, 0xbf, 0x01, 0xe6, 0xfc, 0x0e, 0x1a, 0x0d, 0x3c, 0x47, 0x51,
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0xc5, 0xd3, 0x69, 0x2b,
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},
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{
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0x8c, 0x03, 0x46, 0x8b, 0xca, 0x7c, 0x66, 0x9e, 0xe4, 0xfd, 0x5e, 0x08,
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0x4b, 0xbe, 0xe7, 0xb5,
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},
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{
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0x52, 0x8a, 0x5b, 0xb9, 0x3b, 0xaf, 0x2c, 0x9c, 0x44, 0x73, 0xcc, 0xe5,
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0xd0, 0xd2, 0x2b, 0xd9,
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},
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{
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0xdf, 0x6a, 0x30, 0x1e, 0x95, 0xc9, 0x5d, 0xad, 0x97, 0xae, 0x0c, 0xc8,
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0xc6, 0x91, 0x3b, 0xd8,
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},
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{
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0x80, 0x11, 0x89, 0x90, 0x2c, 0x85, 0x7f, 0x39, 0xe7, 0x35, 0x91, 0x28,
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0x5e, 0x70, 0xb6, 0xdb,
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},
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{
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0xe6, 0x17, 0x34, 0x6a, 0xc9, 0xc2, 0x31, 0xbb, 0x36, 0x50, 0xae, 0x34,
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0xcc, 0xca, 0x0c, 0x5b,
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},
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{
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0x27, 0xd9, 0x34, 0x37, 0xef, 0xb7, 0x21, 0xaa, 0x40, 0x18, 0x21, 0xdc,
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0xec, 0x5a, 0xdf, 0x89,
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},
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{
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0x89, 0x23, 0x7d, 0x9d, 0xed, 0x9c, 0x5e, 0x78, 0xd8, 0xb1, 0xc9, 0xb1,
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0x66, 0xcc, 0x73, 0x42,
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},
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{
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0x4a, 0x6d, 0x80, 0x91, 0xbf, 0x5e, 0x7d, 0x65, 0x11, 0x89, 0xfa, 0x94,
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0xa2, 0x50, 0xb1, 0x4c,
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},
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{
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0x0e, 0x33, 0xf9, 0x60, 0x55, 0xe7, 0xae, 0x89, 0x3f, 0xfc, 0x0e, 0x3d,
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0xcf, 0x49, 0x29, 0x02,
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},
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{
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0xe6, 0x1c, 0x43, 0x2b, 0x72, 0x0b, 0x19, 0xd1, 0x8e, 0xc8, 0xd8, 0x4b,
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0xdc, 0x63, 0x15, 0x1b,
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},
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{
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0xf7, 0xe5, 0xae, 0xf5, 0x49, 0xf7, 0x82, 0xcf, 0x37, 0x90, 0x55, 0xa6,
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0x08, 0x26, 0x9b, 0x16,
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},
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{
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0x43, 0x8d, 0x03, 0x0f, 0xd0, 0xb7, 0xa5, 0x4f, 0xa8, 0x37, 0xf2, 0xad,
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0x20, 0x1a, 0x64, 0x03,
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},
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{
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0xa5, 0x90, 0xd3, 0xee, 0x4f, 0xbf, 0x04, 0xe3, 0x24, 0x7e, 0x0d, 0x27,
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0xf2, 0x86, 0x42, 0x3f,
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},
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{
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0x5f, 0xe2, 0xc1, 0xa1, 0x72, 0xfe, 0x93, 0xc4, 0xb1, 0x5c, 0xd3, 0x7c,
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0xae, 0xf9, 0xf5, 0x38,
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},
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{
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0x2c, 0x97, 0x32, 0x5c, 0xbd, 0x06, 0xb3, 0x6e, 0xb2, 0x13, 0x3d, 0xd0,
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0x8b, 0x3a, 0x01, 0x7c,
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},
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{
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0x92, 0xc8, 0x14, 0x22, 0x7a, 0x6b, 0xca, 0x94, 0x9f, 0xf0, 0x65, 0x9f,
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0x00, 0x2a, 0xd3, 0x9e,
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},
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{
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0xdc, 0xe8, 0x50, 0x11, 0x0b, 0xd8, 0x32, 0x8c, 0xfb, 0xd5, 0x08, 0x41,
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0xd6, 0x91, 0x1d, 0x87,
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},
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{
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0x67, 0xf1, 0x49, 0x84, 0xc7, 0xda, 0x79, 0x12, 0x48, 0xe3, 0x2b, 0xb5,
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0x92, 0x25, 0x83, 0xda,
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},
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{
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0x19, 0x38, 0xf2, 0xcf, 0x72, 0xd5, 0x4e, 0xe9, 0x7e, 0x94, 0x16, 0x6f,
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0xa9, 0x1d, 0x2a, 0x36,
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},
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{
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0x74, 0x48, 0x1e, 0x96, 0x46, 0xed, 0x49, 0xfe, 0x0f, 0x62, 0x24, 0x30,
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0x16, 0x04, 0x69, 0x8e,
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},
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{
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0x57, 0xfc, 0xa5, 0xde, 0x98, 0xa9, 0xd6, 0xd8, 0x00, 0x64, 0x38, 0xd0,
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0x58, 0x3d, 0x8a, 0x1d,
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},
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{
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0x9f, 0xec, 0xde, 0x1c, 0xef, 0xdc, 0x1c, 0xbe, 0xd4, 0x76, 0x36, 0x74,
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0xd9, 0x57, 0x53, 0x59,
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},
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{
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0xe3, 0x04, 0x0c, 0x00, 0xeb, 0x28, 0xf1, 0x53, 0x66, 0xca, 0x73, 0xcb,
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0xd8, 0x72, 0xe7, 0x40,
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},
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{
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0x76, 0x97, 0x00, 0x9a, 0x6a, 0x83, 0x1d, 0xfe, 0xcc, 0xa9, 0x1c, 0x59,
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0x93, 0x67, 0x0f, 0x7a,
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},
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{
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0x58, 0x53, 0x54, 0x23, 0x21, 0xf5, 0x67, 0xa0, 0x05, 0xd5, 0x47, 0xa4,
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0xf0, 0x47, 0x59, 0xbd,
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},
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{
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0x51, 0x50, 0xd1, 0x77, 0x2f, 0x50, 0x83, 0x4a, 0x50, 0x3e, 0x06, 0x9a,
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0x97, 0x3f, 0xbd, 0x7c,
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},
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};
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namespace {
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struct HashBytes {
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const std::vector<uint8_t> &bytes;
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};
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}
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template <>
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struct swift::StableHasher::Combiner<HashBytes> {
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static void combine(StableHasher &hasher, const HashBytes &HB) {
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for (uint8_t byte : HB.bytes) {
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hasher.combine(byte);
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}
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}
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};
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#define U32TO8_LE(p, v) \
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(p)[0] = (uint8_t)((v)); \
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(p)[1] = (uint8_t)((v) >> 8); \
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(p)[2] = (uint8_t)((v) >> 16); \
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(p)[3] = (uint8_t)((v) >> 24);
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#define U64TO8_LE(p, v) \
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U32TO8_LE((p), (uint32_t)((v))); \
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U32TO8_LE((p) + 4, (uint32_t)((v) >> 32));
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#define U8TO64_LE(p) \
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(((uint64_t)((p)[0])) | ((uint64_t)((p)[1]) << 8) | \
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((uint64_t)((p)[2]) << 16) | ((uint64_t)((p)[3]) << 24) | \
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((uint64_t)((p)[4]) << 32) | ((uint64_t)((p)[5]) << 40) | \
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((uint64_t)((p)[6]) << 48) | ((uint64_t)((p)[7]) << 56))
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TEST(StableHasher, Vectors) {
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uint8_t k[16];
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for (unsigned i = 0; i < 16; ++i) {
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k[i] = i;
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}
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uint64_t one = 0;
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memcpy(&one, k, sizeof(uint64_t));
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EXPECT_EQ(one, uint64_t{0x706050403020100});
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uint64_t two = 0;
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memcpy(&two, k + 8, sizeof(uint64_t));
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EXPECT_EQ(two, uint64_t{0xF0E0D0C0B0A0908});
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std::vector<uint8_t> in;
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for (unsigned i = 0; i < 64; ++i) {
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auto hasher = StableHasher{one, two};
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hasher.combine(HashBytes{in});
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auto hasherData = std::move(hasher).finalize();
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EXPECT_EQ(hasherData.first, U8TO64_LE(vectors_sip128[i]));
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EXPECT_EQ(hasherData.second, U8TO64_LE(vectors_sip128[i] + 8));
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in.push_back(i);
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}
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}
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