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Steem integration
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707c869fb9
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1
Makefile
1
Makefile
@ -31,6 +31,7 @@ CFLAGS += -DED25519_NO_INLINE_ASM
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CFLAGS += -DED25519_FORCE_32BIT=1
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CFLAGS += -Ied25519-donna -Icurve25519-donna -I.
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CFLAGS += -DUSE_ETHEREUM=1
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CFLAGS += -DUSE_GRAPHENE=1
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# disable certain optimizations and features when small footprint is required
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ifdef SMALL
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56
base58.c
56
base58.c
@ -27,6 +27,7 @@
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#include "base58.h"
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#include "sha2.h"
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#include "macros.h"
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#include "ripemd160.h"
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static const int8_t b58digits_map[] = {
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-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
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@ -217,3 +218,58 @@ int base58_decode_check(const char *str, uint8_t *data, int datalen)
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memcpy(data, nd, res - 4);
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return res - 4;
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}
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#if USE_GRAPHENE
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int b58gphcheck(const void *bin, size_t binsz, const char *base58str)
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{
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unsigned char buf[32];
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const uint8_t *binc = bin;
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unsigned i;
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if (binsz < 4)
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return -4;
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ripemd160(bin, binsz - 4, buf); // No double SHA256, but a single RIPEMD160
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if (memcmp(&binc[binsz - 4], buf, 4))
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return -1;
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// Check number of zeros is correct AFTER verifying checksum (to avoid possibility of accessing base58str beyond the end)
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for (i = 0; binc[i] == '\0' && base58str[i] == '1'; ++i)
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{} // Just finding the end of zeros, nothing to do in loop
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if (binc[i] == '\0' || base58str[i] == '1')
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return -3;
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return binc[0];
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}
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int base58gph_encode_check(const uint8_t *data, int datalen, char *str, int strsize)
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{
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if (datalen > 128) {
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return 0;
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}
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uint8_t buf[datalen + 32];
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uint8_t *hash = buf + datalen;
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memcpy(buf, data, datalen);
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ripemd160(data, datalen, hash); // No double SHA256, but a single RIPEMD160
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size_t res = strsize;
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bool success = b58enc(str, &res, buf, datalen + 4);
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MEMSET_BZERO(buf, sizeof(buf));
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return success ? res : 0;
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}
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int base58gph_decode_check(const char *str, uint8_t *data, int datalen)
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{
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if (datalen > 128) {
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return 0;
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}
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uint8_t d[datalen + 4];
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size_t res = datalen + 4;
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if (b58tobin(d, &res, str) != true) {
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return 0;
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}
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uint8_t *nd = d + datalen + 4 - res;
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if (b58gphcheck(nd, res, str) < 0) {
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return 0;
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}
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memcpy(data, nd, res - 4);
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return res - 4;
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}
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#endif
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6
base58.h
6
base58.h
@ -35,4 +35,10 @@ bool b58tobin(void *bin, size_t *binszp, const char *b58);
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int b58check(const void *bin, size_t binsz, const char *base58str);
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bool b58enc(char *b58, size_t *b58sz, const void *data, size_t binsz);
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#if USE_GRAPHENE
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int base58gph_encode_check(const uint8_t *data, int datalen, char *str, int strsize);
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int base58gph_decode_check(const char *str, uint8_t *data, int datalen);
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int b58gphcheck(const void *bin, size_t binsz, const char *base58str);
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#endif
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#endif
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@ -61,6 +61,11 @@
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#define USE_ETHEREUM 0
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#endif
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// support Graphene operations (STEEM, BitShares)
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#ifndef USE_GRAPHENE
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#define USE_GRAPHENE 0
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#endif
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// support Keccak hashing
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#ifndef USE_KECCAK
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#define USE_KECCAK USE_ETHEREUM
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37
tests.c
37
tests.c
@ -442,6 +442,38 @@ START_TEST(test_base58)
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}
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END_TEST
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// Graphene Base85CheckEncoding
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START_TEST(test_base58gph)
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{
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static const char *base58_vector[] = {
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"02e649f63f8e8121345fd7f47d0d185a3ccaa843115cd2e9392dcd9b82263bc680", "6dumtt9swxCqwdPZBGXh9YmHoEjFFnNfwHaTqRbQTghGAY2gRz",
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"021c7359cd885c0e319924d97e3980206ad64387aff54908241125b3a88b55ca16", "5725vivYpuFWbeyTifZ5KevnHyqXCi5hwHbNU9cYz1FHbFXCxX",
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"02f561e0b57a552df3fa1df2d87a906b7a9fc33a83d5d15fa68a644ecb0806b49a", "6kZKHSuxqAwdCYsMvwTcipoTsNE2jmEUNBQufGYywpniBKXWZK",
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"03e7595c3e6b58f907bee951dc29796f3757307e700ecf3d09307a0cc4a564eba3", "8b82mpnH8YX1E9RHnU2a2YgLTZ8ooevEGP9N15c1yFqhoBvJur",
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0, 0,
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};
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const char **raw = base58_vector;
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const char **str = base58_vector + 1;
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uint8_t rawn[34];
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char strn[53];
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int r;
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while (*raw && *str) {
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int len = strlen(*raw) / 2;
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memcpy(rawn, fromhex(*raw), len);
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r = base58gph_encode_check(rawn, len, strn, sizeof(strn));
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ck_assert_int_eq((size_t)r, strlen(*str) + 1);
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ck_assert_str_eq(strn, *str);
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r = base58gph_decode_check(strn, rawn, len);
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ck_assert_int_eq(r, len);
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ck_assert_mem_eq(rawn, fromhex(*raw), len);
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raw += 2; str += 2;
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}
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}
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END_TEST
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START_TEST(test_bignum_divmod)
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{
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uint32_t r;
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@ -2603,7 +2635,6 @@ START_TEST(test_ethereum_pubkeyhash)
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}
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END_TEST
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// define test suite and cases
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Suite *test_suite(void)
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{
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@ -2634,6 +2665,10 @@ Suite *test_suite(void)
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tcase_add_test(tc, test_base58);
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suite_add_tcase(s, tc);
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tc = tcase_create("base58gph");
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tcase_add_test(tc, test_base58gph);
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suite_add_tcase(s, tc);
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tc = tcase_create("bignum_divmod");
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tcase_add_test(tc, test_bignum_divmod);
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suite_add_tcase(s, tc);
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