1 files changed, 25 insertions, 0 deletions
diff --git a/librhash/hex.h b/librhash/hex.h
new file mode 100644
index 0000000..2b365e2
--- /dev/null
+++ b/librhash/hex.h
@@ -0,0 +1,25 @@
+/* hex.h - conversion for hexadecimal and base32 strings. */
+#ifndef HEX_H
+#define HEX_H
+
+#include "ustd.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+void rhash_byte_to_hex(char *dest, const unsigned char *src, unsigned len, int upper_case);
+void rhash_byte_to_base32(char* dest, const unsigned char* src, unsigned len, int upper_case);
+void rhash_byte_to_base64(char* dest, const unsigned char* src, unsigned len);
+char* rhash_print_hex_byte(char *dest, const unsigned char byte, int upper_case);
+int  rhash_urlencode(char *dst, const char *name);
+int  rhash_sprintI64(char *dst, uint64_t number);
+
+#define BASE32_LENGTH(bytes) (((bytes) * 8 + 4) / 5)
+#define BASE64_LENGTH(bytes) ((((bytes) + 2) / 3) * 4)
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif /* __cplusplus */
+
+#endif /* HEX_H */