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Merge pull request #1 from dl1lmh/dev
Update to Miner Version 4 of Revoxhere
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#ifndef _COUNTER_H_ | ||
#define _COUNTER_H_ | ||
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#include <Arduino.h> | ||
#include <string.h> | ||
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template <unsigned int max_digits> | ||
class Counter { | ||
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public: | ||
Counter() { reset(); } | ||
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void reset() { | ||
memset(buffer, '0', max_digits); | ||
buffer[max_digits] = '\0'; | ||
val = 0; | ||
len = 1; | ||
} | ||
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inline Counter &operator++() { | ||
inc_string(buffer + max_digits - 1); | ||
++val; | ||
return *this; | ||
} | ||
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inline operator unsigned int() const { return val; } | ||
inline const char *c_str() const { return buffer + max_digits - len; } | ||
inline size_t strlen() const { return len; } | ||
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protected: | ||
inline void inc_string(char *c) { | ||
// In theory, the line below should be uncommented to avoid writing outside the buffer. In practice however, | ||
// with max_digits set to 10 or more, we can fit all possible unsigned 32-bit integers in the buffer. | ||
// The check is skipped to gain a small extra speed improvement. | ||
// if (c >= buffer) return; | ||
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if (*c < '9') { | ||
*c += 1; | ||
} | ||
else { | ||
*c = '0'; | ||
inc_string(c - 1); | ||
len = max(max_digits - (c - buffer) + 1, len); | ||
} | ||
} | ||
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protected: | ||
char buffer[max_digits + 1]; | ||
unsigned int val; | ||
size_t len; | ||
}; | ||
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#endif |
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#ifndef DSHA1_H | ||
#define DSHA1_H | ||
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#include <Arduino.h> | ||
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class DSHA1 { | ||
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public: | ||
static const size_t OUTPUT_SIZE = 20; | ||
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DSHA1() { | ||
initialize(s); | ||
} | ||
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DSHA1 &write(const unsigned char *data, size_t len) { | ||
size_t bufsize = bytes % 64; | ||
if (bufsize && bufsize + len >= 64) { | ||
memcpy(buf + bufsize, data, 64 - bufsize); | ||
bytes += 64 - bufsize; | ||
data += 64 - bufsize; | ||
transform(s, buf); | ||
bufsize = 0; | ||
} | ||
while (len >= 64) { | ||
transform(s, data); | ||
bytes += 64; | ||
data += 64; | ||
len -= 64; | ||
} | ||
if (len > 0) { | ||
memcpy(buf + bufsize, data, len); | ||
bytes += len; | ||
} | ||
return *this; | ||
} | ||
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void finalize(unsigned char hash[OUTPUT_SIZE]) { | ||
const unsigned char pad[64] = {0x80}; | ||
unsigned char sizedesc[8]; | ||
writeBE64(sizedesc, bytes << 3); | ||
write(pad, 1 + ((119 - (bytes % 64)) % 64)); | ||
write(sizedesc, 8); | ||
writeBE32(hash, s[0]); | ||
writeBE32(hash + 4, s[1]); | ||
writeBE32(hash + 8, s[2]); | ||
writeBE32(hash + 12, s[3]); | ||
writeBE32(hash + 16, s[4]); | ||
} | ||
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DSHA1 &reset() { | ||
bytes = 0; | ||
initialize(s); | ||
return *this; | ||
} | ||
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// Warmup the cache and get a boost in performance | ||
DSHA1 &warmup() { | ||
uint8_t warmup[20]; | ||
this->write((uint8_t *)"warmupwarmupwa", 20).finalize(warmup); | ||
return *this; | ||
} | ||
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private: | ||
uint32_t s[5]; | ||
unsigned char buf[64]; | ||
uint64_t bytes; | ||
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const uint32_t k1 = 0x5A827999ul; | ||
const uint32_t k2 = 0x6ED9EBA1ul; | ||
const uint32_t k3 = 0x8F1BBCDCul; | ||
const uint32_t k4 = 0xCA62C1D6ul; | ||
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uint32_t inline f1(uint32_t b, uint32_t c, uint32_t d) { return d ^ (b & (c ^ d)); } | ||
uint32_t inline f2(uint32_t b, uint32_t c, uint32_t d) { return b ^ c ^ d; } | ||
uint32_t inline f3(uint32_t b, uint32_t c, uint32_t d) { return (b & c) | (d & (b | c)); } | ||
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uint32_t inline left(uint32_t x) { return (x << 1) | (x >> 31); } | ||
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void inline Round(uint32_t a, uint32_t &b, uint32_t c, uint32_t d, uint32_t &e, | ||
uint32_t f, uint32_t k, uint32_t w) { | ||
e += ((a << 5) | (a >> 27)) + f + k + w; | ||
b = (b << 30) | (b >> 2); | ||
} | ||
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void initialize(uint32_t s[5]) { | ||
s[0] = 0x67452301ul; | ||
s[1] = 0xEFCDAB89ul; | ||
s[2] = 0x98BADCFEul; | ||
s[3] = 0x10325476ul; | ||
s[4] = 0xC3D2E1F0ul; | ||
} | ||
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void transform(uint32_t *s, const unsigned char *chunk) { | ||
uint32_t a = s[0], b = s[1], c = s[2], d = s[3], e = s[4]; | ||
uint32_t w0, w1, w2, w3, w4, w5, w6, w7, w8, w9, w10, w11, w12, w13, w14, w15; | ||
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Round(a, b, c, d, e, f1(b, c, d), k1, w0 = readBE32(chunk + 0)); | ||
Round(e, a, b, c, d, f1(a, b, c), k1, w1 = readBE32(chunk + 4)); | ||
Round(d, e, a, b, c, f1(e, a, b), k1, w2 = readBE32(chunk + 8)); | ||
Round(c, d, e, a, b, f1(d, e, a), k1, w3 = readBE32(chunk + 12)); | ||
Round(b, c, d, e, a, f1(c, d, e), k1, w4 = readBE32(chunk + 16)); | ||
Round(a, b, c, d, e, f1(b, c, d), k1, w5 = readBE32(chunk + 20)); | ||
Round(e, a, b, c, d, f1(a, b, c), k1, w6 = readBE32(chunk + 24)); | ||
Round(d, e, a, b, c, f1(e, a, b), k1, w7 = readBE32(chunk + 28)); | ||
Round(c, d, e, a, b, f1(d, e, a), k1, w8 = readBE32(chunk + 32)); | ||
Round(b, c, d, e, a, f1(c, d, e), k1, w9 = readBE32(chunk + 36)); | ||
Round(a, b, c, d, e, f1(b, c, d), k1, w10 = readBE32(chunk + 40)); | ||
Round(e, a, b, c, d, f1(a, b, c), k1, w11 = readBE32(chunk + 44)); | ||
Round(d, e, a, b, c, f1(e, a, b), k1, w12 = readBE32(chunk + 48)); | ||
Round(c, d, e, a, b, f1(d, e, a), k1, w13 = readBE32(chunk + 52)); | ||
Round(b, c, d, e, a, f1(c, d, e), k1, w14 = readBE32(chunk + 56)); | ||
Round(a, b, c, d, e, f1(b, c, d), k1, w15 = readBE32(chunk + 60)); | ||
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Round(e, a, b, c, d, f1(a, b, c), k1, w0 = left(w0 ^ w13 ^ w8 ^ w2)); | ||
Round(d, e, a, b, c, f1(e, a, b), k1, w1 = left(w1 ^ w14 ^ w9 ^ w3)); | ||
Round(c, d, e, a, b, f1(d, e, a), k1, w2 = left(w2 ^ w15 ^ w10 ^ w4)); | ||
Round(b, c, d, e, a, f1(c, d, e), k1, w3 = left(w3 ^ w0 ^ w11 ^ w5)); | ||
Round(a, b, c, d, e, f2(b, c, d), k2, w4 = left(w4 ^ w1 ^ w12 ^ w6)); | ||
Round(e, a, b, c, d, f2(a, b, c), k2, w5 = left(w5 ^ w2 ^ w13 ^ w7)); | ||
Round(d, e, a, b, c, f2(e, a, b), k2, w6 = left(w6 ^ w3 ^ w14 ^ w8)); | ||
Round(c, d, e, a, b, f2(d, e, a), k2, w7 = left(w7 ^ w4 ^ w15 ^ w9)); | ||
Round(b, c, d, e, a, f2(c, d, e), k2, w8 = left(w8 ^ w5 ^ w0 ^ w10)); | ||
Round(a, b, c, d, e, f2(b, c, d), k2, w9 = left(w9 ^ w6 ^ w1 ^ w11)); | ||
Round(e, a, b, c, d, f2(a, b, c), k2, w10 = left(w10 ^ w7 ^ w2 ^ w12)); | ||
Round(d, e, a, b, c, f2(e, a, b), k2, w11 = left(w11 ^ w8 ^ w3 ^ w13)); | ||
Round(c, d, e, a, b, f2(d, e, a), k2, w12 = left(w12 ^ w9 ^ w4 ^ w14)); | ||
Round(b, c, d, e, a, f2(c, d, e), k2, w13 = left(w13 ^ w10 ^ w5 ^ w15)); | ||
Round(a, b, c, d, e, f2(b, c, d), k2, w14 = left(w14 ^ w11 ^ w6 ^ w0)); | ||
Round(e, a, b, c, d, f2(a, b, c), k2, w15 = left(w15 ^ w12 ^ w7 ^ w1)); | ||
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Round(d, e, a, b, c, f2(e, a, b), k2, w0 = left(w0 ^ w13 ^ w8 ^ w2)); | ||
Round(c, d, e, a, b, f2(d, e, a), k2, w1 = left(w1 ^ w14 ^ w9 ^ w3)); | ||
Round(b, c, d, e, a, f2(c, d, e), k2, w2 = left(w2 ^ w15 ^ w10 ^ w4)); | ||
Round(a, b, c, d, e, f2(b, c, d), k2, w3 = left(w3 ^ w0 ^ w11 ^ w5)); | ||
Round(e, a, b, c, d, f2(a, b, c), k2, w4 = left(w4 ^ w1 ^ w12 ^ w6)); | ||
Round(d, e, a, b, c, f2(e, a, b), k2, w5 = left(w5 ^ w2 ^ w13 ^ w7)); | ||
Round(c, d, e, a, b, f2(d, e, a), k2, w6 = left(w6 ^ w3 ^ w14 ^ w8)); | ||
Round(b, c, d, e, a, f2(c, d, e), k2, w7 = left(w7 ^ w4 ^ w15 ^ w9)); | ||
Round(a, b, c, d, e, f3(b, c, d), k3, w8 = left(w8 ^ w5 ^ w0 ^ w10)); | ||
Round(e, a, b, c, d, f3(a, b, c), k3, w9 = left(w9 ^ w6 ^ w1 ^ w11)); | ||
Round(d, e, a, b, c, f3(e, a, b), k3, w10 = left(w10 ^ w7 ^ w2 ^ w12)); | ||
Round(c, d, e, a, b, f3(d, e, a), k3, w11 = left(w11 ^ w8 ^ w3 ^ w13)); | ||
Round(b, c, d, e, a, f3(c, d, e), k3, w12 = left(w12 ^ w9 ^ w4 ^ w14)); | ||
Round(a, b, c, d, e, f3(b, c, d), k3, w13 = left(w13 ^ w10 ^ w5 ^ w15)); | ||
Round(e, a, b, c, d, f3(a, b, c), k3, w14 = left(w14 ^ w11 ^ w6 ^ w0)); | ||
Round(d, e, a, b, c, f3(e, a, b), k3, w15 = left(w15 ^ w12 ^ w7 ^ w1)); | ||
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Round(c, d, e, a, b, f3(d, e, a), k3, w0 = left(w0 ^ w13 ^ w8 ^ w2)); | ||
Round(b, c, d, e, a, f3(c, d, e), k3, w1 = left(w1 ^ w14 ^ w9 ^ w3)); | ||
Round(a, b, c, d, e, f3(b, c, d), k3, w2 = left(w2 ^ w15 ^ w10 ^ w4)); | ||
Round(e, a, b, c, d, f3(a, b, c), k3, w3 = left(w3 ^ w0 ^ w11 ^ w5)); | ||
Round(d, e, a, b, c, f3(e, a, b), k3, w4 = left(w4 ^ w1 ^ w12 ^ w6)); | ||
Round(c, d, e, a, b, f3(d, e, a), k3, w5 = left(w5 ^ w2 ^ w13 ^ w7)); | ||
Round(b, c, d, e, a, f3(c, d, e), k3, w6 = left(w6 ^ w3 ^ w14 ^ w8)); | ||
Round(a, b, c, d, e, f3(b, c, d), k3, w7 = left(w7 ^ w4 ^ w15 ^ w9)); | ||
Round(e, a, b, c, d, f3(a, b, c), k3, w8 = left(w8 ^ w5 ^ w0 ^ w10)); | ||
Round(d, e, a, b, c, f3(e, a, b), k3, w9 = left(w9 ^ w6 ^ w1 ^ w11)); | ||
Round(c, d, e, a, b, f3(d, e, a), k3, w10 = left(w10 ^ w7 ^ w2 ^ w12)); | ||
Round(b, c, d, e, a, f3(c, d, e), k3, w11 = left(w11 ^ w8 ^ w3 ^ w13)); | ||
Round(a, b, c, d, e, f2(b, c, d), k4, w12 = left(w12 ^ w9 ^ w4 ^ w14)); | ||
Round(e, a, b, c, d, f2(a, b, c), k4, w13 = left(w13 ^ w10 ^ w5 ^ w15)); | ||
Round(d, e, a, b, c, f2(e, a, b), k4, w14 = left(w14 ^ w11 ^ w6 ^ w0)); | ||
Round(c, d, e, a, b, f2(d, e, a), k4, w15 = left(w15 ^ w12 ^ w7 ^ w1)); | ||
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Round(b, c, d, e, a, f2(c, d, e), k4, w0 = left(w0 ^ w13 ^ w8 ^ w2)); | ||
Round(a, b, c, d, e, f2(b, c, d), k4, w1 = left(w1 ^ w14 ^ w9 ^ w3)); | ||
Round(e, a, b, c, d, f2(a, b, c), k4, w2 = left(w2 ^ w15 ^ w10 ^ w4)); | ||
Round(d, e, a, b, c, f2(e, a, b), k4, w3 = left(w3 ^ w0 ^ w11 ^ w5)); | ||
Round(c, d, e, a, b, f2(d, e, a), k4, w4 = left(w4 ^ w1 ^ w12 ^ w6)); | ||
Round(b, c, d, e, a, f2(c, d, e), k4, w5 = left(w5 ^ w2 ^ w13 ^ w7)); | ||
Round(a, b, c, d, e, f2(b, c, d), k4, w6 = left(w6 ^ w3 ^ w14 ^ w8)); | ||
Round(e, a, b, c, d, f2(a, b, c), k4, w7 = left(w7 ^ w4 ^ w15 ^ w9)); | ||
Round(d, e, a, b, c, f2(e, a, b), k4, w8 = left(w8 ^ w5 ^ w0 ^ w10)); | ||
Round(c, d, e, a, b, f2(d, e, a), k4, w9 = left(w9 ^ w6 ^ w1 ^ w11)); | ||
Round(b, c, d, e, a, f2(c, d, e), k4, w10 = left(w10 ^ w7 ^ w2 ^ w12)); | ||
Round(a, b, c, d, e, f2(b, c, d), k4, w11 = left(w11 ^ w8 ^ w3 ^ w13)); | ||
Round(e, a, b, c, d, f2(a, b, c), k4, w12 = left(w12 ^ w9 ^ w4 ^ w14)); | ||
Round(d, e, a, b, c, f2(e, a, b), k4, left(w13 ^ w10 ^ w5 ^ w15)); | ||
Round(c, d, e, a, b, f2(d, e, a), k4, left(w14 ^ w11 ^ w6 ^ w0)); | ||
Round(b, c, d, e, a, f2(c, d, e), k4, left(w15 ^ w12 ^ w7 ^ w1)); | ||
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s[0] += a; | ||
s[1] += b; | ||
s[2] += c; | ||
s[3] += d; | ||
s[4] += e; | ||
} | ||
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uint32_t static inline readBE32(const unsigned char *ptr) { | ||
return __builtin_bswap32(*(uint32_t *)ptr); | ||
} | ||
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void static inline writeBE32(unsigned char *ptr, uint32_t x) { | ||
*(uint32_t *)ptr = __builtin_bswap32(x); | ||
} | ||
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void static inline writeBE64(unsigned char *ptr, uint64_t x) { | ||
*(uint64_t *)ptr = __builtin_bswap64(x); | ||
} | ||
}; | ||
#endif |
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