keccak.cpp File Reference

#include "gtest/gtest.h"
#include "crypto/keccak.h"

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Macros
#define	KECCAK_BLOCKLEN   136
#define	TEST_KECCAK(sz, chunks)

Functions
	TEST (keccak, 0_and_0)
	TEST (keccak, 1_and_1)
	TEST (keccak, 1_and_0_1_0)
	TEST (keccak, 2_and_1_1)
	TEST (keccak, 4_and_0_0_1_0_2_1_0)
	TEST (keccak, 15_and_1_14)
	TEST (keccak, 135_and_134_1)
	TEST (keccak, 135_and_135_0)
	TEST (keccak, 135_and_0_135)
	TEST (keccak, 136_and_135_1)
	TEST (keccak, 136_and_136_0)
	TEST (keccak, 136_and_0_136)
	TEST (keccak, 136_and_136)
	TEST (keccak, 137_and_136_1)
	TEST (keccak, 137_and_1_136)
	TEST (keccak, alignment)

Macro Definition Documentation

KECCAK_BLOCKLEN

#define KECCAK_BLOCKLEN   136

Definition at line 35 of file keccak.cpp.

TEST_KECCAK

#define TEST_KECCAK	(		sz,
			chunks )

Value:

std::string data; \
data.resize(sz); \
for (size_t i = 0; i < data.size(); ++i) \
  data[i] = i * 17; \
uint8_t md0[32], md1[32]; \
keccak((const uint8_t*)data.data(), data.size(), md0, 32); \
KECCAK_CTX ctx; \
keccak_init(&ctx); \
size_t offset = 0; \
for (size_t i = 0; i < sizeof(chunks) / sizeof(chunks[0]); ++i) \
{ \
  ASSERT_TRUE(offset + chunks[i] <= data.size()); \
  keccak_update(&ctx, (const uint8_t*)data.data() + offset, chunks[i]); \
  offset += chunks[i]; \
} \
ASSERT_TRUE(offset == data.size()); \
keccak_finish(&ctx, md1); \
ASSERT_EQ(memcmp(md0, md1, 32), 0);

Definition at line 37 of file keccak.cpp.

#define TEST_KECCAK(sz, chunks) \
  std::string data; \
  data.resize(sz); \
  for (size_t i = 0; i < data.size(); ++i) \
    data[i] = i * 17; \
  uint8_t md0[32], md1[32]; \
  keccak((const uint8_t*)data.data(), data.size(), md0, 32); \
  KECCAK_CTX ctx; \
  keccak_init(&ctx); \
  size_t offset = 0; \
  for (size_t i = 0; i < sizeof(chunks) / sizeof(chunks[0]); ++i) \
  { \
    ASSERT_TRUE(offset + chunks[i] <= data.size()); \
    keccak_update(&ctx, (const uint8_t*)data.data() + offset, chunks[i]); \
    offset += chunks[i]; \
  } \
  ASSERT_TRUE(offset == data.size()); \
  keccak_finish(&ctx, md1); \
  ASSERT_EQ(memcmp(md0, md1, 32), 0);

Function Documentation

TEST() [1/16]

TEST	(	keccak	,
		0_and_0	)

Definition at line 57 of file keccak.cpp.

{
  static const size_t chunks[] = {0};
  TEST_KECCAK(0, chunks);
}

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TEST() [2/16]

TEST	(	keccak	,
		135_and_0_135	)

Definition at line 105 of file keccak.cpp.

{
  static const size_t chunks[] = {0, 135};
  TEST_KECCAK(135, chunks);
}

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TEST() [3/16]

TEST	(	keccak	,
		135_and_134_1	)

Definition at line 93 of file keccak.cpp.

{
  static const size_t chunks[] = {134, 1};
  TEST_KECCAK(135, chunks);
}

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TEST() [4/16]

TEST	(	keccak	,
		135_and_135_0	)

Definition at line 99 of file keccak.cpp.

{
  static const size_t chunks[] = {135, 0};
  TEST_KECCAK(135, chunks);
}

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TEST() [5/16]

TEST	(	keccak	,
		136_and_0_136	)

Definition at line 123 of file keccak.cpp.

{
  static const size_t chunks[] = {0, 136};
  TEST_KECCAK(136, chunks);
}

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TEST() [6/16]

TEST	(	keccak	,
		136_and_135_1	)

Definition at line 111 of file keccak.cpp.

{
  static const size_t chunks[] = {135, 1};
  TEST_KECCAK(136, chunks);
}

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TEST() [7/16]

TEST	(	keccak	,
		136_and_136	)

Definition at line 129 of file keccak.cpp.

{
  static const size_t chunks[] = {136};
  TEST_KECCAK(136, chunks);
}

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TEST() [8/16]

TEST	(	keccak	,
		136_and_136_0	)

Definition at line 117 of file keccak.cpp.

{
  static const size_t chunks[] = {136, 0};
  TEST_KECCAK(136, chunks);
}

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TEST() [9/16]

TEST	(	keccak	,
		137_and_136_1	)

Definition at line 135 of file keccak.cpp.

{
  static const size_t chunks[] = {136, 1};
  TEST_KECCAK(137, chunks);
}

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TEST() [10/16]

TEST	(	keccak	,
		137_and_1_136	)

Definition at line 141 of file keccak.cpp.

{
  static const size_t chunks[] = {1, 136};
  TEST_KECCAK(137, chunks);
}

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TEST() [11/16]

TEST	(	keccak	,
		15_and_1_14	)

Definition at line 87 of file keccak.cpp.

{
  static const size_t chunks[] = {1, 14};
  TEST_KECCAK(15, chunks);
}

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TEST() [12/16]

TEST	(	keccak	,
		1_and_0_1_0	)

Definition at line 69 of file keccak.cpp.

{
  static const size_t chunks[] = {0, 1, 0};
  TEST_KECCAK(1, chunks);
}

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TEST() [13/16]

TEST	(	keccak	,
		1_and_1	)

Definition at line 63 of file keccak.cpp.

{
  static const size_t chunks[] = {1};
  TEST_KECCAK(1, chunks);
}

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TEST() [14/16]

TEST	(	keccak	,
		2_and_1_1	)

Definition at line 75 of file keccak.cpp.

{
  static const size_t chunks[] = {1, 1};
  TEST_KECCAK(2, chunks);
}

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TEST() [15/16]

TEST	(	keccak	,
		4_and_0_0_1_0_2_1_0	)

Definition at line 81 of file keccak.cpp.

{
  static const size_t chunks[] = {0, 0, 1, 0, 2, 1, 0};
  TEST_KECCAK(4, chunks);
}

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TEST() [16/16]

TEST	(	keccak	,
		alignment	)

Definition at line 147 of file keccak.cpp.

{
  uint8_t data[6064];
  __attribute__ ((aligned(16))) char adata[6000];
 
  for (size_t i = 0; i < sizeof(data) / sizeof(data[0]); ++i)
    data[i] = i & 1;
 
  uint8_t md[32], amd[32];
  for (int offset = 0; offset < 64; ++offset)
  {
    memcpy(adata, data + offset, 6000);
    keccak((const uint8_t*)&data[offset], 6000, md, 32);
    keccak((const uint8_t*)adata, 6000, amd, 32);
    ASSERT_TRUE(!memcmp(md, amd, 32));
  }
}

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