modify ini_demo readme.md & update bcrypt components & bcrypt demo

components/utils/Bcrypt/include/bcrypt.h

@@ -0,0 +1,97 @@
+#ifndef BCRYPT_H_
+#define BCRYPT_H_
+/*
+ * bcrypt wrapper library
+ *
+ * Written in 2011, 2013, 2014, 2015 by Ricardo Garcia <r@rg3.name>
+ *
+ * To the extent possible under law, the author(s) have dedicated all copyright
+ * and related and neighboring rights to this software to the public domain
+ * worldwide. This software is distributed without any warranty.
+ *
+ * You should have received a copy of the CC0 Public Domain Dedication along
+ * with this software. If not, see
+ * <http://creativecommons.org/publicdomain/zero/1.0/>.
+ */
+
+#define BCRYPT_HASHSIZE	(64)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * This function expects a work factor between 4 and 31 and a char array to
+ * store the resulting generated salt. The char array should typically have
+ * BCRYPT_HASHSIZE bytes at least. If the provided work factor is not in the
+ * previous range, it will default to 12.
+ *
+ * The return value is zero if the salt could be correctly generated and
+ * nonzero otherwise.
+ *
+ */
+int bcrypt_gensalt(int workfactor, char salt[BCRYPT_HASHSIZE]);
+
+/*
+ * This function expects a password to be hashed, a salt to hash the password
+ * with and a char array to leave the result. Both the salt and the hash
+ * parameters should have room for BCRYPT_HASHSIZE characters at least.
+ *
+ * It can also be used to verify a hashed password. In that case, provide the
+ * expected hash in the salt parameter and verify the output hash is the same
+ * as the input hash. However, to avoid timing attacks, it's better to use
+ * bcrypt_checkpw when verifying a password.
+ *
+ * The return value is zero if the password could be hashed and nonzero
+ * otherwise.
+ */
+int bcrypt_hashpw(const char *passwd, const char salt[BCRYPT_HASHSIZE],
+		  char hash[BCRYPT_HASHSIZE]);
+
+/*
+ * This function expects a password and a hash to verify the password against.
+ * The internal implementation is tuned to avoid timing attacks.
+ *
+ * The return value will be -1 in case of errors, zero if the provided password
+ * matches the given hash and greater than zero if no errors are found and the
+ * passwords don't match.
+ *
+ */
+int bcrypt_checkpw(const char *passwd, const char hash[BCRYPT_HASHSIZE]);
+
+/*
+ * Brief Example
+ * -------------
+ *
+ * Hashing a password:
+ *
+ *	char salt[BCRYPT_HASHSIZE];
+ *	char hash[BCRYPT_HASHSIZE];
+ *	int ret;
+ *
+ *	ret = bcrypt_gensalt(12, salt);
+ *	assert(ret == 0);
+ *	ret = bcrypt_hashpw("thepassword", salt, hash);
+ *	assert(ret == 0);
+ *
+ *
+ * Verifying a password:
+ *
+ *	int ret;
+ *
+ *      ret = bcrypt_checkpw("thepassword", "expectedhash");
+ *      assert(ret != -1);
+ *
+ *	if (ret == 0) {
+ *		printf("The password matches\n");
+ *	} else {
+ *		printf("The password does NOT match\n");
+ *	}
+ *
+ */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

components/utils/Bcrypt/include/crypt.h

@@ -0,0 +1,24 @@
+/*
+ * Written by Solar Designer <solar at openwall.com> in 2000-2002.
+ * No copyright is claimed, and the software is hereby placed in the public
+ * domain.  In case this attempt to disclaim copyright and place the software
+ * in the public domain is deemed null and void, then the software is
+ * Copyright (c) 2000-2002 Solar Designer and it is hereby released to the
+ * general public under the following terms:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted.
+ *
+ * There's ABSOLUTELY NO WARRANTY, express or implied.
+ *
+ * See crypt_blowfish.c for more information.
+ */
+
+#include <gnu-crypt.h>
+
+#if defined(_OW_SOURCE) || defined(__USE_OW)
+#define __SKIP_GNU
+#undef __SKIP_OW
+#include <ow-crypt.h>
+#undef __SKIP_GNU
+#endif

components/utils/Bcrypt/include/crypt_blowfish.h

@@ -0,0 +1,27 @@
+/*
+ * Written by Solar Designer <solar at openwall.com> in 2000-2011.
+ * No copyright is claimed, and the software is hereby placed in the public
+ * domain.  In case this attempt to disclaim copyright and place the software
+ * in the public domain is deemed null and void, then the software is
+ * Copyright (c) 2000-2011 Solar Designer and it is hereby released to the
+ * general public under the following terms:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted.
+ *
+ * There's ABSOLUTELY NO WARRANTY, express or implied.
+ *
+ * See crypt_blowfish.c for more information.
+ */
+
+#ifndef _CRYPT_BLOWFISH_H
+#define _CRYPT_BLOWFISH_H
+
+extern int _crypt_output_magic(const char *setting, char *output, int size);
+extern char *_crypt_blowfish_rn(const char *key, const char *setting,
+	char *output, int size);
+extern char *_crypt_gensalt_blowfish_rn(const char *prefix,
+	unsigned long count,
+	const char *input, int size, char *output, int output_size);
+
+#endif

components/utils/Bcrypt/include/crypt_gensalt.h

@@ -0,0 +1,30 @@
+/*
+ * Written by Solar Designer <solar at openwall.com> in 2000-2011.
+ * No copyright is claimed, and the software is hereby placed in the public
+ * domain.  In case this attempt to disclaim copyright and place the software
+ * in the public domain is deemed null and void, then the software is
+ * Copyright (c) 2000-2011 Solar Designer and it is hereby released to the
+ * general public under the following terms:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted.
+ *
+ * There's ABSOLUTELY NO WARRANTY, express or implied.
+ *
+ * See crypt_blowfish.c for more information.
+ */
+
+#ifndef _CRYPT_GENSALT_H
+#define _CRYPT_GENSALT_H
+
+extern unsigned char _crypt_itoa64[];
+extern char *_crypt_gensalt_traditional_rn(const char *prefix,
+	unsigned long count,
+	const char *input, int size, char *output, int output_size);
+extern char *_crypt_gensalt_extended_rn(const char *prefix,
+	unsigned long count,
+	const char *input, int size, char *output, int output_size);
+extern char *_crypt_gensalt_md5_rn(const char *prefix, unsigned long count,
+	const char *input, int size, char *output, int output_size);
+
+#endif

components/utils/Bcrypt/include/ow-crypt.h

@@ -0,0 +1,43 @@
+/*
+ * Written by Solar Designer <solar at openwall.com> in 2000-2011.
+ * No copyright is claimed, and the software is hereby placed in the public
+ * domain.  In case this attempt to disclaim copyright and place the software
+ * in the public domain is deemed null and void, then the software is
+ * Copyright (c) 2000-2011 Solar Designer and it is hereby released to the
+ * general public under the following terms:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted.
+ *
+ * There's ABSOLUTELY NO WARRANTY, express or implied.
+ *
+ * See crypt_blowfish.c for more information.
+ */
+
+#ifndef _OW_CRYPT_H
+#define _OW_CRYPT_H
+
+#ifndef __GNUC__
+#undef __const
+#define __const const
+#endif
+
+#ifndef __SKIP_GNU
+extern char *crypt(__const char *key, __const char *setting);
+extern char *crypt_r(__const char *key, __const char *setting, void *data);
+#endif
+
+#ifndef __SKIP_OW
+extern char *crypt_rn(__const char *key, __const char *setting,
+	void *data, int size);
+extern char *crypt_ra(__const char *key, __const char *setting,
+	void **data, int *size);
+extern char *crypt_gensalt(__const char *prefix, unsigned long count,
+	__const char *input, int size);
+extern char *crypt_gensalt_rn(__const char *prefix, unsigned long count,
+	__const char *input, int size, char *output, int output_size);
+extern char *crypt_gensalt_ra(__const char *prefix, unsigned long count,
+	__const char *input, int size);
+#endif
+
+#endif