Electroneum
hmac_keccak.cpp
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28 
29 #include "gtest/gtest.h"
30 #include "../io.h"
31 
32 extern "C" {
33 #include "crypto/hmac-keccak.h"
34 }
35 
36 #define KECCAK_BLOCKLEN 136
37 
38 static const struct {
39  const char *key;
40  const char *inp;
41  const char *res;
42 } keccak_hmac_vectors[] = {
43  {"",
44  "",
45  "042186ec4e98680a0866091d6fb89b60871134b44327f8f467c14e9841d3e97b",
46  },
47  {"00",
48  "",
49  "042186ec4e98680a0866091d6fb89b60871134b44327f8f467c14e9841d3e97b",
50  },
51  {"00000000000000000000000000000000",
52  "",
53  "042186ec4e98680a0866091d6fb89b60871134b44327f8f467c14e9841d3e97b",
54  },
55  {"",
56  "00",
57  "402541d5d678ad30217023a12efbd2f367388dc0253ccddb8f915d187e03d414",
58  },
59  {"0000000000000000000000000000000000000000000000000000000000000000",
60  "0000000000000000000000000000000000000000000000000000000000000000",
61  "d164c38ca454176281b3c09dc83cf70bd00290835ff5490356993d368cde0577",
62  },
63  {"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
64  "0000000000000000000000000000000000000000000000000000000000000000",
65  "d52c9100301a9546d8c97d7f32e8178fd5f4b0a7646ab761db9e0f503f8b0542",
66  },
67  {"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
68  "d52c9100301a9546d8c97d7f32e8178fd5f4b0a7646ab761db9e0f503f8b0542",
69  "5b9d98c5d3249176230d70fdb215ee2f93e4783064c9564384ddc396e63c18cb",
70  },
71  {"00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
72  "00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
73  "98d033ba0c95bb3aaf5709733443cbedba20f6451b710ccba4118fc5523013c8",
74  },
75  {"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",
76  "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",
77  "117b60a7f474fd2245adff82a69429367de8f5263fa96c411986009a743b0e70",
78  },
79  {"00112233445566778899aabbccddeeff102132435465768798a9bacbdcedfe0f",
80  "000d1a2734414e5b6875828f9ca9b6c3d0ddeaf704111e2b3845525f6c798693a0adbac7d4e1eefb0815222f3c495663707d8a97a4b1becbd8e5f2ff0c192633404d5a6774818e9ba8b5c2cfdce9f603101d2a3744515e6b7885929facb9c6d3e0edfa0714212e3b4855626f7c8996a3b0bdcad7e4f1fe0b1825323f4c596673808d9aa7b4c1cedbe8f5020f1c293643505d6a7784919eabb8c5d2dfecf90613202d3a4754616e7b8895a2afbcc9d6e3f0fd0a1724313e4b5865727f8c99a6b3c0cddae7f4010e1b",
81  "cbe3ca627c6432c9a66f07c6411fccca894c9b083b55d0773152460142a676ed",
82  },
83 };
84 
85 static void test_keccak_hmac(const size_t * chunks)
86 {
87  uint8_t inp_buff[1024];
88  uint8_t key_buff[1024];
89  uint8_t res_exp[32];
90  uint8_t res_comp[32];
91  size_t len_chunks = 0;
92  for(; chunks && chunks[len_chunks] > 0; ++len_chunks);
93 
94  for (size_t i = 0; i < (sizeof(keccak_hmac_vectors) / sizeof(*keccak_hmac_vectors)); i++)
95  {
96  const size_t inp_len = strlen(keccak_hmac_vectors[i].inp)/2;
97  const size_t key_len = strlen(keccak_hmac_vectors[i].key)/2;
98  ASSERT_TRUE(hexdecode(keccak_hmac_vectors[i].inp, inp_len, inp_buff));
99  ASSERT_TRUE(hexdecode(keccak_hmac_vectors[i].key, key_len, key_buff));
100  ASSERT_TRUE(hexdecode(keccak_hmac_vectors[i].res, 32, res_exp));
101  if (len_chunks == 0)
102  {
103  hmac_keccak_hash(res_comp, key_buff, key_len, inp_buff, inp_len);
104  }
105  else
106  {
108  hmac_keccak_init(&S, key_buff, key_len);
109  size_t inp_passed = 0;
110  size_t chunk_size = 0;
111  while(inp_passed < inp_len){
112  const size_t to_pass = std::min(inp_len - inp_passed, chunks[chunk_size]);
113  hmac_keccak_update(&S, inp_buff + inp_passed, to_pass);
114 
115  inp_passed += to_pass;
116  chunk_size = (chunk_size + 1) % len_chunks;
117  }
118 
119  hmac_keccak_finish(&S, res_comp);
120  }
121  ASSERT_EQ(memcmp(res_exp, res_comp, 32), 0);
122  }
123 }
124 
125 
126 TEST(keccak_hmac, nullptr)
127 {
128  test_keccak_hmac(nullptr);
129 }
130 
131 TEST(keccak_hmac, 1)
132 {
133  static const size_t chunks[] = {1, 0};
134  test_keccak_hmac(chunks);
135 }
136 
137 TEST(keccak_hmac, 1_20)
138 {
139  static const size_t chunks[] = {1, 20, 0};
140  test_keccak_hmac(chunks);
141 }
142 
143 TEST(keccak_hmac, 136_1)
144 {
145  static const size_t chunks[] = {136, 1, 0};
146  test_keccak_hmac(chunks);
147 }
148 
149 TEST(keccak_hmac, 137_1)
150 {
151  static const size_t chunks[] = {137, 1, 0};
152  test_keccak_hmac(chunks);
153 }
const char * res
Definition: hmac_keccak.cpp:41
const char * inp
Definition: hmac_keccak.cpp:40
const char * key
Definition: hmac_keccak.cpp:39
unsigned char uint8_t
Definition: stdint.h:124
#define ASSERT_EQ(val1, val2)
Definition: gtest.h:1956
void hmac_keccak_update(hmac_keccak_state *S, const uint8_t *data, size_t datalen)
#define ASSERT_TRUE(condition)
Definition: gtest.h:1865
void hmac_keccak_finish(hmac_keccak_state *S, uint8_t *digest)
bool hexdecode(const char *from, std::size_t length, void *to)
Definition: io.h:38
void hmac_keccak_init(hmac_keccak_state *S, const uint8_t *_key, size_t keylen)
void hmac_keccak_hash(uint8_t *out, const uint8_t *key, size_t keylen, const uint8_t *in, size_t inlen)
TEST(keccak_hmac, nullptr)