mleku/libbase58
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Rename symbols for libbase58

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This commit is contained in:
Luke Dashjr
2014-08-17 11:35:52 +00:00
parent f703579360
commit 195033316e
2 changed files with 17 additions and 10 deletions
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19
base58.c
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@@ -1,5 +1,5 @@
/* /*
* Copyright 2012 Luke Dashjr * Copyright 2012-2014 Luke Dashjr
* *
* This program is free software; you can redistribute it and/or modify it * This program is free software; you can redistribute it and/or modify it
* under the terms of the standard MIT license. See COPYING for more details. * under the terms of the standard MIT license. See COPYING for more details.
@@ -12,10 +12,11 @@
#endif #endif
#include <stdbool.h> #include <stdbool.h>
#include <stddef.h>
#include <stdint.h> #include <stdint.h>
#include <string.h> #include <string.h>
bool (*blkmk_sha256_impl)(void *, const void *, size_t) = NULL; bool (*b58_sha256_impl)(void *, const void *, size_t) = NULL;
static const int8_t b58digits[] = { static const int8_t b58digits[] = {
-1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1, -1,-1,-1,-1,-1,-1,-1,-1,
@@ -28,7 +29,8 @@ static const int8_t b58digits[] = {
47,48,49,50,51,52,53,54, 55,56,57,-1,-1,-1,-1,-1, 47,48,49,50,51,52,53,54, 55,56,57,-1,-1,-1,-1,-1,
}; };
bool _blkmk_b58tobin(void *bin, size_t binsz, const char *b58, size_t b58sz) { bool b58tobin(void *bin, size_t binsz, const char *b58, size_t b58sz)
{
const unsigned char *b58u = (void*)b58; const unsigned char *b58u = (void*)b58;
unsigned char *binu = bin; unsigned char *binu = bin;
size_t outisz = (binsz + 3) / 4; size_t outisz = (binsz + 3) / 4;
@@ -89,15 +91,18 @@ bool _blkmk_b58tobin(void *bin, size_t binsz, const char *b58, size_t b58sz) {
} }
static static
bool _blkmk_dblsha256(void *hash, const void *data, size_t datasz) { bool my_dblsha256(void *hash, const void *data, size_t datasz)
return blkmk_sha256_impl(hash, data, datasz) && blkmk_sha256_impl(hash, hash, 32); {
uint8_t buf[0x20];
return b58_sha256_impl(buf, data, datasz) && b58_sha256_impl(hash, buf, sizeof(buf));
} }
int _blkmk_b58check(void *bin, size_t binsz, const char *base58str) { int b58check(void *bin, size_t binsz, const char *base58str, size_t b58sz)
{
unsigned char buf[32]; unsigned char buf[32];
unsigned char *binc = bin; unsigned char *binc = bin;
unsigned i; unsigned i;
if (!_blkmk_dblsha256(buf, bin, binsz - 4)) if (!my_dblsha256(buf, bin, binsz - 4))
return -2; return -2;
if (memcmp(&binc[binsz - 4], buf, 4)) if (memcmp(&binc[binsz - 4], buf, 4))
return -1; return -1;

8
base58.h
View File

@@ -2,9 +2,11 @@
#define LIBBASE58_H #define LIBBASE58_H
#include <stdbool.h> #include <stdbool.h>
#include <string.h> #include <stddef.h>
extern bool _blkmk_b58tobin(void *bin, size_t binsz, const char *b58, size_t b58sz); extern bool (*b58_sha256_impl)(void *, const void *, size_t);
extern int _blkmk_b58check(void *bin, size_t binsz, const char *b58);
extern bool b58tobin(void *bin, size_t binsz, const char *b58, size_t b58sz);
extern int b58check(void *bin, size_t binsz, const char *b58, size_t b58sz);
#endif #endif