diff options
Diffstat (limited to 'src/crypto/slow-hash.c')
-rw-r--r-- | src/crypto/slow-hash.c | 64 |
1 files changed, 57 insertions, 7 deletions
diff --git a/src/crypto/slow-hash.c b/src/crypto/slow-hash.c index ae0bd4e98..96eafde6d 100644 --- a/src/crypto/slow-hash.c +++ b/src/crypto/slow-hash.c @@ -39,6 +39,7 @@ #include "hash-ops.h" #include "oaes_lib.h" #include "variant2_int_sqrt.h" +#include "variant4_random_math.h" #define MEMORY (1 << 21) // 2MB scratchpad #define ITER (1 << 20) @@ -172,7 +173,7 @@ extern void aesb_pseudo_round(const uint8_t *in, uint8_t *out, const uint8_t *ex const uint64_t sqrt_input = SWAP64LE(((uint64_t*)(ptr))[0]) + division_result #define VARIANT2_INTEGER_MATH_SSE2(b, ptr) \ - do if (variant >= 2) \ + do if ((variant == 2) || (variant == 3)) \ { \ VARIANT2_INTEGER_MATH_DIVISION_STEP(b, ptr); \ VARIANT2_INTEGER_MATH_SQRT_STEP_SSE2(); \ @@ -182,7 +183,7 @@ extern void aesb_pseudo_round(const uint8_t *in, uint8_t *out, const uint8_t *ex #if defined DBL_MANT_DIG && (DBL_MANT_DIG >= 50) // double precision floating point type has enough bits of precision on current platform #define VARIANT2_PORTABLE_INTEGER_MATH(b, ptr) \ - do if (variant >= 2) \ + do if ((variant == 2) || (variant == 3)) \ { \ VARIANT2_INTEGER_MATH_DIVISION_STEP(b, ptr); \ VARIANT2_INTEGER_MATH_SQRT_STEP_FP64(); \ @@ -192,7 +193,7 @@ extern void aesb_pseudo_round(const uint8_t *in, uint8_t *out, const uint8_t *ex // double precision floating point type is not good enough on current platform // fall back to the reference code (integer only) #define VARIANT2_PORTABLE_INTEGER_MATH(b, ptr) \ - do if (variant >= 2) \ + do if ((variant == 2) || (variant == 3)) \ { \ VARIANT2_INTEGER_MATH_DIVISION_STEP(b, ptr); \ VARIANT2_INTEGER_MATH_SQRT_STEP_REF(); \ @@ -214,6 +215,47 @@ extern void aesb_pseudo_round(const uint8_t *in, uint8_t *out, const uint8_t *ex lo ^= SWAP64LE(*(U64(hp_state + (j ^ 0x20)) + 1)); \ } while (0) +#define V4_REG_LOAD(dst, src) \ + do { \ + memcpy((dst), (src), sizeof(v4_reg)); \ + if (sizeof(v4_reg) == sizeof(uint32_t)) \ + *(dst) = SWAP32LE(*(dst)); \ + else \ + *(dst) = SWAP64LE(*(dst)); \ + } while (0) + +#define VARIANT4_RANDOM_MATH_INIT() \ + v4_reg r[9]; \ + struct V4_Instruction code[NUM_INSTRUCTIONS_MAX + 1]; \ + do if (variant >= 4) \ + { \ + for (int i = 0; i < 4; ++i) \ + V4_REG_LOAD(r + i, (uint8_t*)(state.hs.w + 12) + sizeof(v4_reg) * i); \ + v4_random_math_init(code, height); \ + } while (0) + +#define VARIANT4_RANDOM_MATH(a, b, r, _b, _b1) \ + do if (variant >= 4) \ + { \ + uint64_t t; \ + memcpy(&t, b, sizeof(uint64_t)); \ + \ + if (sizeof(v4_reg) == sizeof(uint32_t)) \ + t ^= SWAP64LE((r[0] + r[1]) | ((uint64_t)(r[2] + r[3]) << 32)); \ + else \ + t ^= SWAP64LE((r[0] + r[1]) ^ (r[2] + r[3])); \ + \ + memcpy(b, &t, sizeof(uint64_t)); \ + \ + V4_REG_LOAD(r + 4, a); \ + V4_REG_LOAD(r + 5, (uint64_t*)(a) + 1); \ + V4_REG_LOAD(r + 6, _b); \ + V4_REG_LOAD(r + 7, _b1); \ + V4_REG_LOAD(r + 8, (uint64_t*)(_b1) + 1); \ + \ + v4_random_math(code, r); \ + } while (0) + #if !defined NO_AES && (defined(__x86_64__) || (defined(_MSC_VER) && defined(_WIN64))) // Optimised code below, uses x86-specific intrinsics, SSE2, AES-NI @@ -298,6 +340,7 @@ extern void aesb_pseudo_round(const uint8_t *in, uint8_t *out, const uint8_t *ex p = U64(&hp_state[j]); \ b[0] = p[0]; b[1] = p[1]; \ VARIANT2_INTEGER_MATH_SSE2(b, c); \ + VARIANT4_RANDOM_MATH(a, b, r, &_b, &_b1); \ __mul(); \ VARIANT2_2(); \ VARIANT2_SHUFFLE_ADD_SSE2(hp_state, j); \ @@ -694,7 +737,7 @@ void slow_hash_free_state(void) * @param length the length in bytes of the data * @param hash a pointer to a buffer in which the final 256 bit hash will be stored */ -void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed) +void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed, uint64_t height) { RDATA_ALIGN16 uint8_t expandedKey[240]; /* These buffers are aligned to use later with SSE functions */ @@ -730,6 +773,7 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int VARIANT1_INIT64(); VARIANT2_INIT64(); + VARIANT4_RANDOM_MATH_INIT(); /* CryptoNight Step 2: Iteratively encrypt the results from Keccak to fill * the 2MB large random access buffer. @@ -901,6 +945,7 @@ union cn_slow_hash_state p = U64(&hp_state[j]); \ b[0] = p[0]; b[1] = p[1]; \ VARIANT2_PORTABLE_INTEGER_MATH(b, c); \ + VARIANT4_RANDOM_MATH(a, b, r, &_b, &_b1); \ __mul(); \ VARIANT2_2(); \ VARIANT2_SHUFFLE_ADD_NEON(hp_state, j); \ @@ -1063,7 +1108,7 @@ STATIC INLINE void aligned_free(void *ptr) } #endif /* FORCE_USE_HEAP */ -void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed) +void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed, uint64_t height) { RDATA_ALIGN16 uint8_t expandedKey[240]; @@ -1100,6 +1145,7 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int VARIANT1_INIT64(); VARIANT2_INIT64(); + VARIANT4_RANDOM_MATH_INIT(); /* CryptoNight Step 2: Iteratively encrypt the results from Keccak to fill * the 2MB large random access buffer. @@ -1278,7 +1324,7 @@ STATIC INLINE void xor_blocks(uint8_t* a, const uint8_t* b) U64(a)[1] ^= U64(b)[1]; } -void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed) +void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed, uint64_t height) { uint8_t text[INIT_SIZE_BYTE]; uint8_t a[AES_BLOCK_SIZE]; @@ -1317,6 +1363,7 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int VARIANT1_INIT64(); VARIANT2_INIT64(); + VARIANT4_RANDOM_MATH_INIT(); // use aligned data memcpy(expandedKey, aes_ctx->key->exp_data, aes_ctx->key->exp_data_len); @@ -1353,6 +1400,7 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int copy_block(c, p); VARIANT2_PORTABLE_INTEGER_MATH(c, c1); + VARIANT4_RANDOM_MATH(a, c, r, b, b + AES_BLOCK_SIZE); mul(c1, c, d); VARIANT2_2_PORTABLE(); VARIANT2_PORTABLE_SHUFFLE_ADD(long_state, j); @@ -1476,7 +1524,7 @@ union cn_slow_hash_state { }; #pragma pack(pop) -void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed) { +void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int prehashed, uint64_t height) { #ifndef FORCE_USE_HEAP uint8_t long_state[MEMORY]; #else @@ -1505,6 +1553,7 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int VARIANT1_PORTABLE_INIT(); VARIANT2_PORTABLE_INIT(); + VARIANT4_RANDOM_MATH_INIT(); oaes_key_import_data(aes_ctx, aes_key, AES_KEY_SIZE); for (i = 0; i < MEMORY / INIT_SIZE_BYTE; i++) { @@ -1537,6 +1586,7 @@ void cn_slow_hash(const void *data, size_t length, char *hash, int variant, int j = e2i(c1, MEMORY / AES_BLOCK_SIZE) * AES_BLOCK_SIZE; copy_block(c2, &long_state[j]); VARIANT2_PORTABLE_INTEGER_MATH(c2, c1); + VARIANT4_RANDOM_MATH(a, c2, r, b, b + AES_BLOCK_SIZE); mul(c1, c2, d); VARIANT2_2_PORTABLE(); VARIANT2_PORTABLE_SHUFFLE_ADD(long_state, j); |