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c++ code to check whether a list is circular or not
Post 302447527 by Corona688 on Monday 23rd of August 2010 12:30:47 PM
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LEARN ABOUT OPENDARWIN
crypt_unix
crypt_unix(5) Standards, Environments, and Macros crypt_unix(5) NAME
crypt_unix - traditional UNIX crypt algorithm DESCRIPTION
The crypt_unix algorithm is the traditional UNIX crypt algorithm. It is not considered sufficiently secure for current systems and is pro- vided for backwards compatibility. The crypt_sunmd5(5), crypt_bsdmd5(5), or crypt_bsdbf(5) algorithm should be used instead. The algorithm identifier for policy.conf(4) is __unix__. There is no entry in crypt.conf(4) for this algorithm. The crypt_unix algorithm is internal to libc and provides the string encoding function used by crypt(3C) when the first character of the salt is not a "$". This algorithm is based on a one-way encryption algorithm with variations intended (among other things) to frustrate use of hardware imple- mentations of a key search. Only the first eight characters of the key passed to crypt() are used with this algorithm; the rest are silently ignored. The salt is a two-character string chosen from the set [a-zA-Z0-9./]. This string is used to perturb the hashing algo- rithm in one of 4096 different ways. The maximum password length for crypt_unix is 8 characters. USAGE
The return value of the crypt_unix algorithm might not be portable among standard-conforming systems. See standards(5). ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |MT-Level |Safe | +-----------------------------+-----------------------------+ SEE ALSO
passwd(1), crypt(3C), crypt_genhash_impl(3C), crypt_gensalt(3C), crypt_gensalt_impl(3C), getpassphrase(3C), crypt.conf(4), passwd(4), pol- icy.conf(4), attributes(5), crypt_bsdbf(5), crypt_bsdmd5(5), crypt_sunmd5(5), standards(5) SunOS 5.10 6 Aug 2003 crypt_unix(5)