From 48b4f7b83f9f8e6d89d56f5e24f0ed1d7c4676a1 Mon Sep 17 00:00:00 2001
From: Florent Le Coz <louiz@louiz.org>
Date: Sun, 12 Jan 2014 04:12:27 +0100
Subject: Remove cryptopp dependency, directly include a simple sha1
 implementation

---
 src/utils/sha1.hpp | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 src/utils/sha1.hpp

(limited to 'src/utils/sha1.hpp')

diff --git a/src/utils/sha1.hpp b/src/utils/sha1.hpp
new file mode 100644
index 0000000..d02de75
--- /dev/null
+++ b/src/utils/sha1.hpp
@@ -0,0 +1,35 @@
+/* This code is public-domain - it is based on libcrypt
+ * placed in the public domain by Wei Dai and other contributors.
+ */
+
+#include <stdint.h>
+#include <string.h>
+
+#define HASH_LENGTH 20
+#define BLOCK_LENGTH 64
+
+union _buffer {
+	uint8_t b[BLOCK_LENGTH];
+	uint32_t w[BLOCK_LENGTH/4];
+};
+
+union _state {
+	uint8_t b[HASH_LENGTH];
+	uint32_t w[HASH_LENGTH/4];
+};
+
+typedef struct sha1nfo {
+	union _buffer buffer;
+	uint8_t bufferOffset;
+	union _state state;
+	uint32_t byteCount;
+	uint8_t keyBuffer[BLOCK_LENGTH];
+	uint8_t innerHash[HASH_LENGTH];
+} sha1nfo;
+
+void sha1_init(sha1nfo *s);
+void sha1_writebyte(sha1nfo *s, uint8_t data);
+void sha1_write(sha1nfo *s, const char *data, size_t len);
+uint8_t* sha1_result(sha1nfo *s);
+void sha1_initHmac(sha1nfo *s, const uint8_t* key, int keyLength);
+uint8_t* sha1_resultHmac(sha1nfo *s);
-- 
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