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incorporated compressed OpenCL generation from https://github.com/scintill/vanitygen/branches/compressed_opencl

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This commit is contained in:
Scott Alfter
2013-06-04 12:35:55 -07:00
parent 7ee7d9b0aa
commit 06c095e064
4 changed files with 72 additions and 29 deletions
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81
calc_addrs.cl
View File

@@ -67,7 +67,7 @@
* Steps:
* - Compute Px = Pxj * (1/Pz)^2
* - Compute Py = Pyj * (1/Pz)^3
* - Compute H = RIPEMD160(SHA256(0x04 | Px | Py))
* - Compute H = RIPEMD160(SHA256({0x02|0x03|0x04} | Px | Py?))
*
* Output:
* - Array of 20-byte address hash values
@@ -94,6 +94,13 @@
#define load_be32(v) bswap32(v)
#endif
/* Configuration -- maybe I shouldn't be passing this in preproc */
#ifdef COMPRESSED_ADDRESS
__constant bool compressed_address = 1;
#else
__constant bool compressed_address = 0;
#endif
/*
* Loop unrolling macros
*
@@ -1234,7 +1241,7 @@ hash_ec_point(uint *hash_out, __global bn_word *xy, __global bn_word *zip)
bn_mul_mont(&c, &c, &zzi); /* X / Z^2 */
bn_from_mont(&c, &c);
wh = 0x00000004; /* POINT_CONVERSION_UNCOMPRESSED */
wh = compressed_address ? 0x00000002 : 0x00000004; /* POINT_CONVERSION_[UN]COMPRESSED */
#define hash_ec_point_inner_3(i) \
wl = wh; \
@@ -1253,12 +1260,30 @@ hash_ec_point(uint *hash_out, __global bn_word *xy, __global bn_word *zip)
bn_mul_mont(&c, &c, &zzi); /* Y / Z^3 */
bn_from_mont(&c, &c);
#define hash_ec_point_inner_5(i) \
wl = wh; \
wh = c.d[(BN_NWORDS - 1) - i]; \
hash1[BN_NWORDS + i] = (wl << 24) | (wh >> 8);
if (!compressed_address) {
#define hash_ec_point_inner_5(i) \
wl = wh; \
wh = c.d[(BN_NWORDS - 1) - i]; \
hash1[BN_NWORDS + i] = (wl << 24) | (wh >> 8);
bn_unroll(hash_ec_point_inner_5);
bn_unroll(hash_ec_point_inner_5);
} else {
if (bn_is_odd(c)) {
hash1[0] |= 0x01000000; /* 0x03 for odd y */
}
/*
* Put in the last byte + SHA-2 padding.
*/
hash1[8] = wh << 24 | 0x800000;
hash1[9] = 0;
hash1[10] = 0;
hash1[11] = 0;
hash1[12] = 0;
hash1[13] = 0;
hash1[14] = 0;
hash1[15] = 33 * 8;
}
/*
* Hash the first 64 bytes of the buffer
@@ -1266,26 +1291,28 @@ hash_ec_point(uint *hash_out, __global bn_word *xy, __global bn_word *zip)
sha2_256_init(hash2);
sha2_256_block(hash2, hash1);
/*
* Hash the last byte of the buffer + SHA-2 padding
*/
hash1[0] = wh << 24 | 0x800000;
hash1[1] = 0;
hash1[2] = 0;
hash1[3] = 0;
hash1[4] = 0;
hash1[5] = 0;
hash1[6] = 0;
hash1[7] = 0;
hash1[8] = 0;
hash1[9] = 0;
hash1[10] = 0;
hash1[11] = 0;
hash1[12] = 0;
hash1[13] = 0;
hash1[14] = 0;
hash1[15] = 65 * 8;
sha2_256_block(hash2, hash1);
if (!compressed_address) {
/*
* Hash the last byte of the buffer + SHA-2 padding
*/
hash1[0] = wh << 24 | 0x800000;
hash1[1] = 0;
hash1[2] = 0;
hash1[3] = 0;
hash1[4] = 0;
hash1[5] = 0;
hash1[6] = 0;
hash1[7] = 0;
hash1[8] = 0;
hash1[9] = 0;
hash1[10] = 0;
hash1[11] = 0;
hash1[12] = 0;
hash1[13] = 0;
hash1[14] = 0;
hash1[15] = 65 * 8;
sha2_256_block(hash2, hash1);
}
/*
* Hash the SHA-2 result with RIPEMD160

3
oclengine.c
View File

@@ -933,6 +933,9 @@ vg_ocl_init(vg_context_t *vcp, vg_ocl_context_t *vocp, cl_device_id did,
if (vocp->voc_quirks & VG_OCL_AMD_BFI_INT)
end += snprintf(optbuf + end, sizeof(optbuf) - end,
"-DAMD_BFI_INT ");
if (vcp->vc_compressed)
end += snprintf(optbuf + end, sizeof(optbuf) - end,
"-DCOMPRESSED_ADDRESS");
if (vocp->voc_quirks & VG_OCL_NV_VERBOSE)
end += snprintf(optbuf + end, sizeof(optbuf) - end,
"-cl-nv-verbose ");

15
oclvanitygen.c
View File

@@ -60,6 +60,7 @@ usage(const char *name)
"-N Generate namecoin address\n"
"-T Generate bitcoin testnet address\n"
"-X <version> Generate address with the given version\n"
"-F <format> Generate address with the given format (pubkey, compressed)\n"
"-e Encrypt private keys, prompt for password\n"
"-E <password> Encrypt private keys with <password> (UNSAFE)\n"
"-p <platform> Select OpenCL platform\n"
@@ -119,11 +120,12 @@ main(int argc, char **argv)
int pattfpi[MAX_FILE];
int npattfp = 0;
int pattstdin = 0;
int compressed = 0;
int i;
while ((opt = getopt(argc, argv,
"vqik1NTX:eE:p:P:d:w:t:g:b:VSh?f:o:s:D:")) != -1) {
"vqik1NTX:F:eE:p:P:d:w:t:g:b:VSh?f:o:s:D:")) != -1) {
switch (opt) {
case 'v':
verbose = 2;
@@ -152,6 +154,16 @@ main(int argc, char **argv)
addrtype = atoi(optarg);
privtype = 128 + addrtype;
break;
case 'F':
if (!strcmp(optarg, "compressed"))
compressed = 1;
else
if (strcmp(optarg, "pubkey")) {
fprintf(stderr,
"Invalid format '%s'\n", optarg);
return 1;
}
break;
case 'e':
prompt_password = 1;
break;
@@ -330,6 +342,7 @@ main(int argc, char **argv)
caseinsensitive);
}
vcp->vc_compressed = compressed;
vcp->vc_verbose = verbose;
vcp->vc_result_file = result_file;
vcp->vc_remove_on_match = remove_on_match;

2
pattern.c
View File

@@ -256,7 +256,7 @@ vg_exec_context_calc_address(vg_exec_context_t *vxcp)
}
len = EC_POINT_point2oct(pgroup,
pubkey,
POINT_CONVERSION_UNCOMPRESSED,
vxcp->vxc_vc->vc_compressed ? POINT_CONVERSION_COMPRESSED : POINT_CONVERSION_UNCOMPRESSED,
eckey_buf,
sizeof(eckey_buf),
vxcp->vxc_bnctx);