diff --git a/.gitignore b/.gitignore
index 4581ef2..d1fd08a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -27,3 +27,7 @@
 *.exe
 *.out
 *.app
+
+#python temporary file
+__pycache__
+*.pyc
diff --git a/algue/base64.cpp b/algue/base64.cpp
new file mode 100644
index 0000000..4f067ab
--- /dev/null
+++ b/algue/base64.cpp
@@ -0,0 +1,111 @@
+/** @file
+ * @author Edouard DUPIN
+ * @copyright 2011, Edouard DUPIN, all right reserved
+ * @license APACHE v2.0 (see license file)
+ */
+#include <etk/types.h>
+#include <algue/base64.h>
+
+static const std::string base64Elements = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+const std::vector<uint8_t>& getReverseTable() {
+	static std::vector<uint8_t> table;
+	if (table.size() == 0) {
+		table.resize(256,0);
+		for (size_t iii=0; iii<base64Elements.size(); ++iii) {
+			table[size_t(base64Elements[iii])] = iii;
+		}
+	}
+	return table;
+}
+
+
+
+static bool isBase64(char _ccc) {
+  return    isalnum(_ccc)
+         || _ccc == '+'
+         || _ccc == '/';
+}
+
+std::string algue::base64::encode(const uint8_t* _data, int32_t _len) {
+	std::string out;
+	int32_t iii = 0;
+	int32_t jjj = 0;
+	uint8_t bit3[3];
+	uint8_t bit4[4];
+	// Pack 3 bytes in 4 bytes
+	while (_len--) {
+		bit3[iii++] = *(_data++);
+		if (iii == 3) {
+			iii = 0;
+			bit4[0] = (bit3[0] & 0xfc) >> 2;
+			bit4[1] = ((bit3[0] & 0x03) << 4) + ((bit3[1] & 0xf0) >> 4);
+			bit4[2] = ((bit3[1] & 0x0f) << 2) + ((bit3[2] & 0xc0) >> 6);
+			bit4[3] = bit3[2] & 0x3f;
+			for(int32_t jjj=0; jjj<4 ; ++jjj) {
+				out += base64Elements[bit4[jjj]];
+			}
+		}
+	}
+	// Residual packing ...
+	if (iii != 0) {
+		for(int32_t jjj=iii; jjj<3; ++jjj) {
+			bit3[jjj] = 0;
+		}
+		bit4[0] = (bit3[0] & 0xfc) >> 2;
+		bit4[1] = ((bit3[0] & 0x03) << 4) + ((bit3[1] & 0xf0) >> 4);
+		bit4[2] = ((bit3[1] & 0x0f) << 2) + ((bit3[2] & 0xc0) >> 6);
+		bit4[3] = bit3[2] & 0x3f;
+		for (int32_t jjj=0; jjj<iii+1; ++jjj) {
+			out += base64Elements[bit4[jjj]];
+		}
+		while (iii++ < 3) {
+			out += '=';
+		}
+	}
+	return out;
+}
+
+std::vector<uint8_t> algue::base64::decode(const std::string& _data) {
+	int32_t len = _data.size();
+	int32_t iii = 0;
+	int32_t id = 0;
+	uint8_t bit4[4];
+	uint8_t bit3[3];
+	std::vector<uint8_t> out;
+	const std::vector<uint8_t>& base64ElementsReverse = getReverseTable();
+	while (    len--
+	        && _data[id] != '='
+	        && isBase64(_data[id]) == true) {
+		bit4[iii++] = _data[id];
+		id++;
+		if (iii == 4) {
+			iii = 0;
+			for (int32_t jjj=0; jjj<4; ++jjj) {
+				bit4[jjj] = base64ElementsReverse[bit4[jjj]];
+			}
+			bit3[0] = (bit4[0] << 2) + ((bit4[1] & 0x30) >> 4);
+			bit3[1] = ((bit4[1] & 0xf) << 4) + ((bit4[2] & 0x3c) >> 2);
+			bit3[2] = ((bit4[2] & 0x3) << 6) + bit4[3];
+			for (int32_t jjj=0; jjj<3; ++jjj) {
+				out.push_back(bit3[jjj]);
+			}
+		}
+	}
+	if (iii != 0) {
+		for (int32_t jjj=iii; jjj<4; ++jjj) {
+			bit4[jjj] = 0;
+		}
+		for (int32_t jjj = 0; jjj <4; ++jjj) {
+			bit4[jjj] = base64ElementsReverse[bit4[jjj]];
+		}
+		bit3[0] = (bit4[0] << 2) + ((bit4[1] & 0x30) >> 4);
+		bit3[1] = ((bit4[1] & 0xf) << 4) + ((bit4[2] & 0x3c) >> 2);
+		bit3[2] = ((bit4[2] & 0x3) << 6) + bit4[3];
+		for (int32_t jjj=0; jjj<iii-1; ++jjj) {
+			out.push_back(bit3[jjj]);
+		}
+	}
+	return out;
+}
+
diff --git a/algue/base64.h b/algue/base64.h
new file mode 100644
index 0000000..a7c5066
--- /dev/null
+++ b/algue/base64.h
@@ -0,0 +1,21 @@
+/** @file
+ * @author Edouard DUPIN
+ * @copyright 2011, Edouard DUPIN, all right reserved
+ * @license APACHE v2.0 (see license file)
+ */
+#pragma once
+
+#include <etk/types.h>
+
+namespace algue {
+	namespace base64 {
+		std::string encode(const uint8_t* _data, int32_t _len);
+		inline std::string encode(const std::vector<uint8_t>& _data) {
+			return algue::base64::encode(&_data[0], _data.size());
+		}
+		inline std::string encode(const std::string& _data) {
+			return algue::base64::encode(reinterpret_cast<const uint8_t*>(&_data[0]), _data.size());
+		}
+		std::vector<uint8_t> decode(const std::string& _data);
+	}
+}
diff --git a/algue/debug.cpp b/algue/debug.cpp
new file mode 100644
index 0000000..3c4d7b0
--- /dev/null
+++ b/algue/debug.cpp
@@ -0,0 +1,13 @@
+/** @file
+ * @author Edouard DUPIN
+ * @copyright 2011, Edouard DUPIN, all right reserved
+ * @license APACHE v2.0 (see license file)
+ */
+
+#include <algue/debug.h>
+
+int32_t algue::getLogId() {
+	static int32_t g_val = elog::registerInstance("algue");
+	return g_val;
+}
+
diff --git a/algue/debug.h b/algue/debug.h
new file mode 100644
index 0000000..20743c7
--- /dev/null
+++ b/algue/debug.h
@@ -0,0 +1,37 @@
+/** @file
+ * @author Edouard DUPIN
+ * @copyright 2011, Edouard DUPIN, all right reserved
+ * @license APACHE v2.0 (see license file)
+ */
+#pragma once
+
+#include <elog/log.h>
+
+namespace algue {
+	int32_t getLogId();
+};
+#define ALGUE_BASE(info,data)  ELOG_BASE(algue::getLogId(),info,data)
+
+#define ALGUE_CRITICAL(data)      ALGUE_BASE(1, data)
+#define ALGUE_ERROR(data)         ALGUE_BASE(2, data)
+#define ALGUE_WARNING(data)       ALGUE_BASE(3, data)
+#ifdef DEBUG
+	#define ALGUE_INFO(data)          ALGUE_BASE(4, data)
+	#define ALGUE_DEBUG(data)         ALGUE_BASE(5, data)
+	#define ALGUE_VERBOSE(data)       ALGUE_BASE(6, data)
+	#define ALGUE_TODO(data)          ALGUE_BASE(4, "TODO : " << data)
+#else
+	#define ALGUE_INFO(data)          do { } while(false)
+	#define ALGUE_DEBUG(data)         do { } while(false)
+	#define ALGUE_VERBOSE(data)       do { } while(false)
+	#define ALGUE_TODO(data)          do { } while(false)
+#endif
+
+#define ALGUE_ASSERT(cond,data) \
+	do { \
+		if (!(cond)) { \
+			JSON_CRITICAL(data); \
+			assert(!#cond); \
+		} \
+	} while (0)
+
diff --git a/algue/md5.cpp b/algue/md5.cpp
new file mode 100644
index 0000000..0be8f99
--- /dev/null
+++ b/algue/md5.cpp
@@ -0,0 +1,17 @@
+/** @file
+ * @author Edouard DUPIN
+ * @copyright 2011, Edouard DUPIN, all right reserved
+ * @license APACHE v2.0 (see license file)
+ */
+#include <etk/types.h>
+#include <algue/md5.h>
+#include <openssl/md5.h>
+
+std::vector<uint8_t> algue::md5::encode(const uint8_t* _data, int32_t _len) {
+	std::vector<uint8_t> out;
+	out.resize(MD5_DIGEST_LENGTH);
+	MD5(_data, _len, &out[0]);
+	return out;
+}
+
+
diff --git a/algue/md5.h b/algue/md5.h
new file mode 100644
index 0000000..ff19b8d
--- /dev/null
+++ b/algue/md5.h
@@ -0,0 +1,20 @@
+/** @file
+ * @author Edouard DUPIN
+ * @copyright 2011, Edouard DUPIN, all right reserved
+ * @license APACHE v2.0 (see license file)
+ */
+#pragma once
+
+#include <etk/types.h>
+
+namespace algue {
+	namespace md5 {
+		std::vector<uint8_t> encode(const uint8_t* _data, int32_t _len);
+		inline std::vector<uint8_t> encode(const std::vector<uint8_t>& _data) {
+			return algue::md5::encode(&_data[0], _data.size());
+		}
+		inline std::vector<uint8_t> encode(const std::string& _data) {
+			return algue::md5::encode(reinterpret_cast<const uint8_t*>(&_data[0]), _data.size());
+		}
+	}
+}
diff --git a/algue/sha1.cpp b/algue/sha1.cpp
new file mode 100644
index 0000000..e896a94
--- /dev/null
+++ b/algue/sha1.cpp
@@ -0,0 +1,17 @@
+/** @file
+ * @author Edouard DUPIN
+ * @copyright 2011, Edouard DUPIN, all right reserved
+ * @license APACHE v2.0 (see license file)
+ */
+#include <etk/types.h>
+#include <algue/sha1.h>
+#include <openssl/sha.h>
+
+std::vector<uint8_t> algue::sha1::encode(const uint8_t* _data, int32_t _len) {
+	std::vector<uint8_t> out;
+	out.resize(SHA_DIGEST_LENGTH);
+	SHA1(_data, _len, &out[0]);
+	return out;
+}
+
+
diff --git a/algue/sha1.h b/algue/sha1.h
new file mode 100644
index 0000000..b799899
--- /dev/null
+++ b/algue/sha1.h
@@ -0,0 +1,20 @@
+/** @file
+ * @author Edouard DUPIN
+ * @copyright 2011, Edouard DUPIN, all right reserved
+ * @license APACHE v2.0 (see license file)
+ */
+#pragma once
+
+#include <etk/types.h>
+
+namespace algue {
+	namespace sha1 {
+		std::vector<uint8_t> encode(const uint8_t* _data, int32_t _len);
+		inline std::vector<uint8_t> encode(const std::vector<uint8_t>& _data) {
+			return algue::sha1::encode(&_data[0], _data.size());
+		}
+		inline std::vector<uint8_t> encode(const std::string& _data) {
+			return algue::sha1::encode(reinterpret_cast<const uint8_t*>(&_data[0]), _data.size());
+		}
+	}
+}
diff --git a/lutin_algue.py b/lutin_algue.py
new file mode 100644
index 0000000..ffc6705
--- /dev/null
+++ b/lutin_algue.py
@@ -0,0 +1,45 @@
+#!/usr/bin/python
+import lutin.module as module
+import lutin.tools as tools
+
+
+def get_type():
+	return "LIBRARY"
+
+def get_desc():
+	return "Algorithm generic"
+
+def get_licence():
+	return "APACHE-2"
+
+def get_compagny_type():
+	return "com"
+
+def get_compagny_name():
+	return "atria-soft"
+
+def get_maintainer():
+	return ["Mr DUPIN Edouard <yui.heero@gmail.com>"]
+
+def get_version():
+	return [0,1,"dev"]
+
+def create(target, module_name):
+	my_module = module.Module(__file__, module_name, get_type())
+	my_module.add_module_depend(['elog', 'etk', 'crypto'])
+	my_module.add_extra_compile_flags()
+	my_module.add_src_file([
+		'algue/debug.cpp',
+		'algue/base64.cpp',
+		'algue/sha1.cpp',
+		'algue/md5.cpp'
+		])
+	my_module.add_header_file([
+		'algue/base64.h',
+		'algue/sha1.h',
+		'algue/md5.h',
+		])
+	my_module.add_path(tools.get_current_path(__file__))
+	return my_module
+
+