Master (#173)

* Create base58.c

* Create base58.h

* Update base58.c

* Update base58.h

include/openssl/base58.h

@@ -0,0 +1,14 @@
+#ifndef LIBBASE58_H
+#define LIBBASE58_H
+
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+
+bool base58_decode(const char *b58, size_t b58sz, void *bin, size_t *binszp);
+bool base58_encode(const void *data, size_t binsz, char *b58, size_t *b58sz);
+
+#endif
+
+
+