Merge OpenCL code and make OpenCL auto-detectable
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72ea076099
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278
src/kernel.cl
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278
src/kernel.cl
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/*
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* This is based on the John The Ripper SHA512 code, modified for double SHA512 and for use as a miner in Bitmessage.
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* This software is originally Copyright (c) 2012 Myrice <qqlddg at gmail dot com>
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* and it is hereby released to the general public under the following terms:
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* Redistribution and use in source and binary forms, with or without modification, are permitted.
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*/
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#ifdef cl_khr_byte_addressable_store
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#pragma OPENCL EXTENSION cl_khr_byte_addressable_store : disable
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#endif
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#define uint8_t unsigned char
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#define uint32_t unsigned int
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#define uint64_t unsigned long
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#define SALT_SIZE 0
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#define BINARY_SIZE 8
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#define FULL_BINARY_SIZE 64
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#define PLAINTEXT_LENGTH 72
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#define CIPHERTEXT_LENGTH 128
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/// Warning: This version of SWAP64(n) is slow and avoid bugs on AMD GPUs(7970)
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#define SWAP64(n) as_ulong(as_uchar8(n).s76543210)
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/*
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#define SWAP64(n) \
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(((n) << 56) \
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| (((n) & 0xff00) << 40) \
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| (((n) & 0xff0000) << 24) \
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| (((n) & 0xff000000) << 8) \
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| (((n) >> 8) & 0xff000000) \
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| (((n) >> 24) & 0xff0000) \
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| (((n) >> 40) & 0xff00) \
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| ((n) >> 56))
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*/
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#define rol(x,n) ((x << n) | (x >> (64-n)))
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#define ror(x,n) ((x >> n) | (x << (64-n)))
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#define Ch(x,y,z) ((x & y) ^ ( (~x) & z))
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#define Maj(x,y,z) ((x & y) ^ (x & z) ^ (y & z))
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#define Sigma0(x) ((ror(x,28)) ^ (ror(x,34)) ^ (ror(x,39)))
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#define Sigma1(x) ((ror(x,14)) ^ (ror(x,18)) ^ (ror(x,41)))
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#define sigma0(x) ((ror(x,1)) ^ (ror(x,8)) ^(x>>7))
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#define sigma1(x) ((ror(x,19)) ^ (ror(x,61)) ^(x>>6))
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typedef struct { // notice memory align problem
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uint64_t H[8];
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uint32_t buffer[32]; //1024 bits
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uint32_t buflen;
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} sha512_ctx;
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typedef struct {
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uint64_t target;
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char v[PLAINTEXT_LENGTH+1];
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} sha512_key;
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/* Macros for reading/writing chars from int32's */
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#define PUTCHAR(buf, index, val) (buf)[(index)>>2] = ((buf)[(index)>>2] & ~(0xffU << (((index) & 3) << 3))) + ((val) << (((index) & 3) << 3))
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__constant uint64_t k[] = {
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0x428a2f98d728ae22UL, 0x7137449123ef65cdUL, 0xb5c0fbcfec4d3b2fUL,
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0xe9b5dba58189dbbcUL,
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0x3956c25bf348b538UL, 0x59f111f1b605d019UL, 0x923f82a4af194f9bUL,
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0xab1c5ed5da6d8118UL,
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0xd807aa98a3030242UL, 0x12835b0145706fbeUL, 0x243185be4ee4b28cUL,
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0x550c7dc3d5ffb4e2UL,
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0x72be5d74f27b896fUL, 0x80deb1fe3b1696b1UL, 0x9bdc06a725c71235UL,
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0xc19bf174cf692694UL,
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0xe49b69c19ef14ad2UL, 0xefbe4786384f25e3UL, 0x0fc19dc68b8cd5b5UL,
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0x240ca1cc77ac9c65UL,
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0x2de92c6f592b0275UL, 0x4a7484aa6ea6e483UL, 0x5cb0a9dcbd41fbd4UL,
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0x76f988da831153b5UL,
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0x983e5152ee66dfabUL, 0xa831c66d2db43210UL, 0xb00327c898fb213fUL,
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0xbf597fc7beef0ee4UL,
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0xc6e00bf33da88fc2UL, 0xd5a79147930aa725UL, 0x06ca6351e003826fUL,
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0x142929670a0e6e70UL,
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0x27b70a8546d22ffcUL, 0x2e1b21385c26c926UL, 0x4d2c6dfc5ac42aedUL,
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0x53380d139d95b3dfUL,
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0x650a73548baf63deUL, 0x766a0abb3c77b2a8UL, 0x81c2c92e47edaee6UL,
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0x92722c851482353bUL,
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0xa2bfe8a14cf10364UL, 0xa81a664bbc423001UL, 0xc24b8b70d0f89791UL,
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0xc76c51a30654be30UL,
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0xd192e819d6ef5218UL, 0xd69906245565a910UL, 0xf40e35855771202aUL,
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0x106aa07032bbd1b8UL,
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0x19a4c116b8d2d0c8UL, 0x1e376c085141ab53UL, 0x2748774cdf8eeb99UL,
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0x34b0bcb5e19b48a8UL,
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0x391c0cb3c5c95a63UL, 0x4ed8aa4ae3418acbUL, 0x5b9cca4f7763e373UL,
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0x682e6ff3d6b2b8a3UL,
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0x748f82ee5defb2fcUL, 0x78a5636f43172f60UL, 0x84c87814a1f0ab72UL,
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0x8cc702081a6439ecUL,
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0x90befffa23631e28UL, 0xa4506cebde82bde9UL, 0xbef9a3f7b2c67915UL,
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0xc67178f2e372532bUL,
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0xca273eceea26619cUL, 0xd186b8c721c0c207UL, 0xeada7dd6cde0eb1eUL,
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0xf57d4f7fee6ed178UL,
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0x06f067aa72176fbaUL, 0x0a637dc5a2c898a6UL, 0x113f9804bef90daeUL,
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0x1b710b35131c471bUL,
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0x28db77f523047d84UL, 0x32caab7b40c72493UL, 0x3c9ebe0a15c9bebcUL,
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0x431d67c49c100d4cUL,
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0x4cc5d4becb3e42b6UL, 0x597f299cfc657e2aUL, 0x5fcb6fab3ad6faecUL,
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0x6c44198c4a475817UL,
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};
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void setup_ctx(sha512_ctx* ctx, const char * password, uint8_t pass_len)
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{
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uint32_t* b32 = ctx->buffer;
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//set password to buffer
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for (uint32_t i = 0; i < pass_len; i++) {
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PUTCHAR(b32,i,password[i]);
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}
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ctx->buflen = pass_len;
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//append 1 to ctx buffer
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uint32_t length = ctx->buflen;
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PUTCHAR(b32, length, 0x80);
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while((++length & 3) != 0) {
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PUTCHAR(b32, length, 0);
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}
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uint32_t* buffer32 = b32+(length>>2);
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for(uint32_t i = length; i < 128; i+=4) {// append 0 to 128
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*buffer32++=0;
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}
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//append length to buffer
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uint64_t *buffer64 = (uint64_t *)ctx->buffer;
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buffer64[15] = SWAP64(((uint64_t) ctx->buflen) * 8);
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}
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inline uint64_t sha512(char* password)
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{
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__private sha512_ctx ctx;
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setup_ctx(&ctx, password, 72);
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// sha512 main`
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int i;
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uint64_t a = 0x6a09e667f3bcc908UL;
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uint64_t b = 0xbb67ae8584caa73bUL;
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uint64_t c = 0x3c6ef372fe94f82bUL;
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uint64_t d = 0xa54ff53a5f1d36f1UL;
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uint64_t e = 0x510e527fade682d1UL;
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uint64_t f = 0x9b05688c2b3e6c1fUL;
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uint64_t g = 0x1f83d9abfb41bd6bUL;
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uint64_t h = 0x5be0cd19137e2179UL;
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__private uint64_t w[16];
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uint64_t *data = (uint64_t *) ctx.buffer;
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for (i = 0; i < 16; i++)
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w[i] = SWAP64(data[i]);
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uint64_t t1, t2;
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for (i = 0; i < 16; i++) {
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t1 = k[i] + w[i] + h + Sigma1(e) + Ch(e, f, g);
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t2 = Maj(a, b, c) + Sigma0(a);
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h = g;
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g = f;
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f = e;
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e = d + t1;
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d = c;
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c = b;
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b = a;
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a = t1 + t2;
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}
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for (i = 16; i < 80; i++) {
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w[i & 15] =sigma1(w[(i - 2) & 15]) + sigma0(w[(i - 15) & 15]) + w[(i -16) & 15] + w[(i - 7) & 15];
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t1 = k[i] + w[i & 15] + h + Sigma1(e) + Ch(e, f, g);
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t2 = Maj(a, b, c) + Sigma0(a);
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h = g;
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g = f;
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f = e;
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e = d + t1;
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d = c;
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c = b;
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b = a;
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a = t1 + t2;
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}
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uint64_t finalhash[8];
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finalhash[0] = SWAP64(a + 0x6a09e667f3bcc908UL);
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finalhash[1] = SWAP64(b + 0xbb67ae8584caa73bUL);
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finalhash[2] = SWAP64(c + 0x3c6ef372fe94f82bUL);
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finalhash[3] = SWAP64(d + 0xa54ff53a5f1d36f1UL);
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finalhash[4] = SWAP64(e + 0x510e527fade682d1UL);
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finalhash[5] = SWAP64(f + 0x9b05688c2b3e6c1fUL);
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finalhash[6] = SWAP64(g + 0x1f83d9abfb41bd6bUL);
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finalhash[7] = SWAP64(h + 0x5be0cd19137e2179UL);
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setup_ctx(&ctx, (char*) finalhash, 64);
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a = 0x6a09e667f3bcc908UL;
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b = 0xbb67ae8584caa73bUL;
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c = 0x3c6ef372fe94f82bUL;
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d = 0xa54ff53a5f1d36f1UL;
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e = 0x510e527fade682d1UL;
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f = 0x9b05688c2b3e6c1fUL;
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g = 0x1f83d9abfb41bd6bUL;
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h = 0x5be0cd19137e2179UL;
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data = (uint64_t *) ctx.buffer;
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//((uint64_t*)ctx.buffer)[8] = SWAP64((uint64_t)0x80);
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for (i = 0; i < 16; i++)
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w[i] = SWAP64(data[i]);
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for (i = 0; i < 16; i++) {
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t1 = k[i] + w[i] + h + Sigma1(e) + Ch(e, f, g);
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t2 = Maj(a, b, c) + Sigma0(a);
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h = g;
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g = f;
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f = e;
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e = d + t1;
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d = c;
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c = b;
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b = a;
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a = t1 + t2;
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}
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for (i = 16; i < 80; i++) {
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w[i & 15] =sigma1(w[(i - 2) & 15]) + sigma0(w[(i - 15) & 15]) + w[(i -16) & 15] + w[(i - 7) & 15];
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t1 = k[i] + w[i & 15] + h + Sigma1(e) + Ch(e, f, g);
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t2 = Maj(a, b, c) + Sigma0(a);
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h = g;
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g = f;
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f = e;
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e = d + t1;
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d = c;
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c = b;
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b = a;
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a = t1 + t2;
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}
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return SWAP64(a + 0x6a09e667f3bcc908UL);
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}
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__kernel void kernel_sha512(__global const sha512_key *password,__global uint64_t *hash, uint64_t start)
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{
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uint64_t idx = get_global_id(0);
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if (idx == 0 && start == 0) {
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*hash = 0;
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}
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uint64_t winval;
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uint64_t junk[9];
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__global uint64_t * source = (__global uint64_t*) password->v;
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for (int i = 1; i < 9; i++) {
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junk[i] = source[i];
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}
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junk[0] = SWAP64(idx + (start));
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winval = sha512((char*)junk);
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if (SWAP64(winval) < password->target) {
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*hash = SWAP64(junk[0]);
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}
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}
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66
src/openclpow.py
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66
src/openclpow.py
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import numpy
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from struct import pack, unpack
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import time
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import hashlib
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import pyopencl as cl
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hash_dt = numpy.dtype([('target', numpy.uint64), ('v', numpy.str_, 73)])
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ctx = False
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queue = False
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program = False
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try:
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if (len(cl.get_platforms()) > 0):
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ctx = cl.create_some_context()
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queue = cl.CommandQueue(ctx)
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f = open('kernel.cl', 'r')
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fstr = ''.join(f.readlines())
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program = cl.Program(ctx, fstr).build()
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except:
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ctx = False
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def has_opencl():
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return (ctx != False)
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def do_opencl_pow(hash, target):
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output = numpy.zeros(1, dtype=[('v', numpy.uint64, 1)])
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if (ctx == False):
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return output[0][0]
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data = numpy.zeros(1, dtype=hash_dt, order='C')
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data[0]['v'] = ("0000000000000000" + hash).decode("hex")
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data[0]['target'] = target
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hash_buf = cl.Buffer(ctx, cl.mem_flags.READ_ONLY | cl.mem_flags.COPY_HOST_PTR, hostbuf=data)
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dest_buf = cl.Buffer(ctx, cl.mem_flags.WRITE_ONLY, output.nbytes)
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kernel = program.kernel_sha512
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worksize = kernel.get_work_group_info(cl.kernel_work_group_info.WORK_GROUP_SIZE, cl.get_platforms()[0].get_devices()[0])
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kernel.set_arg(0, hash_buf)
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kernel.set_arg(1, dest_buf)
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start = time.time()
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startpos = 0
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globamt = worksize*2000
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while output[0][0] == 0:
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kernel.set_arg(2, pack("<Q", startpos))
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cl.enqueue_nd_range_kernel(queue, kernel, (globamt,), (worksize,))
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cl.enqueue_read_buffer(queue, dest_buf, output)
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queue.finish()
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startpos += globamt
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sofar = time.time() - start
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print sofar, startpos / sofar, "hashes/sec"
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taken = time.time() - start
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print startpos, taken
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return output[0][0]
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if __name__ == "__main__":
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target = 54227212183L
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initialHash = "3758f55b5a8d902fd3597e4ce6a2d3f23daff735f65d9698c270987f4e67ad590b93f3ffeba0ef2fd08a8dc2f87b68ae5a0dc819ab57f22ad2c4c9c8618a43b3".decode("hex")
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nonce = do_pow(initialHash.encode("hex"), target)
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trialValue, = unpack('>Q',hashlib.sha512(hashlib.sha512(pack('>Q',nonce) + initialHash).digest()).digest()[0:8])
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print "{} - value {} < {}".format(nonce, trialValue, target)
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@ -6,6 +6,7 @@ from struct import unpack, pack
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import sys
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from shared import config, frozen
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import shared
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from openclpow import do_opencl_pow
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#import os
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def _set_idle():
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@ -70,9 +71,16 @@ def _doFastPoW(target, initialHash):
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return result[0], result[1]
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time.sleep(0.2)
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def _doGPUPow(target, initialHash):
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nonce = do_opencl_pow(initialHash.encode("hex"), target)
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trialValue, = unpack('>Q',hashlib.sha512(hashlib.sha512(pack('>Q',nonce) + initialHash).digest()).digest()[0:8])
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#print "{} - value {} < {}".format(nonce, trialValue, target)
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return [trialValue, nonce]
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def run(target, initialHash):
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target = int(target)
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if frozen == "macosx_app" or not frozen:
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if has_opencl:
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return _doGPUPow(target, initialHash)
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elif frozen == "macosx_app" or not frozen:
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return _doFastPoW(target, initialHash)
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else:
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return _doSafePoW(target, initialHash)
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