From 94d6b7954dc5b7c98171095b56b15ed695923bb5 Mon Sep 17 00:00:00 2001
From: "Alex Xu (Hello71)" <alex_y_xu@yahoo.ca>
Date: Wed, 15 Aug 2018 11:26:39 -0400
Subject: Move source files to src

---
 src/util.h | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 src/util.h

(limited to 'src/util.h')

diff --git a/src/util.h b/src/util.h
new file mode 100644
index 0000000..9cd2bd4
--- /dev/null
+++ b/src/util.h
@@ -0,0 +1,34 @@
+#ifndef UTIL_H
+#define UTIL_H
+
+#include <errno.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <string.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#include "sha2.h"
+
+#define GRND_NONBLOCK 0x01
+#define GRND_RANDOM 0x02
+
+/* The pool size is fixed at 4096 bits since Linux 2.6. */
+#define RAND_POOL_SIZE 512
+/* SHA-256 */
+#define HASH_LEN 32
+#define HASH_STR_LEN 65
+/* The salt is the random data */
+#define SALT_LEN RAND_POOL_SIZE
+
+static inline bool streq(const char *s1, const char *s2) {
+    return !strcmp(s1, s2);
+}
+
+ssize_t random_get(void *buf, size_t buflen, unsigned int flags);
+size_t hex2mem(unsigned char *dest, size_t size, const char *src);
+void mem2hex(char *dest, const void *src, size_t size);
+void hash(const unsigned char salt[static SALT_LEN], unsigned char *out, const void *in, size_t size);
+bool hash_match(const unsigned char digest[static HASH_LEN], const char *arg);
+
+#endif
-- 
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