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crypt.conf(4)			 File Formats			 crypt.conf(4)

NAME
       crypt.conf - configuration file for pluggable crypt modules

SYNOPSIS
       /etc/security/crypt.conf

DESCRIPTION
       crypt.conf  is the configuration file for the pluggable crypt architec‐
       ture. Each crypt module must provide a function to generate a  password
       hash,  crypt_genhash_impl(3C),  and  a  function	 to generate the salt,
       crypt_gensalt_impl(3C).

       The module_path field specifies the pathname to a shared library object
       that  implements	 crypt_genhash_impl() and crypt_gensalt_impl(). If the
       pathname	 is  not  absolute,  it	 is  assumed   to   be	 relative   to
       /usr/lib/security/$ISA.	If  the	 pathname contains the $ISA token, the
       token is replaced by  an	 implementation-defined	 directory  name  that
       defines	the  path  relative  to	 the calling program's instruction set
       architecture.

       The third field is used to pass module-specific options to  the	shared
       objects.	 See  crypt_genhash_impl(3C)  and crypt_gensalt(3C). It is the
       responsibility of the module to parse and interpret  the	 options.  The
       params field can be used by the modules to turn on debugging or to pass
       any module-specific parameters that control the output of  the  hashing
       algorithm

EXAMPLES
       Example 1 Increasing the Work Factor

       The  following  example	increases  the	work  factor  to  12  for  the
       crypt_bsdbf(5) module.

	 2a /usr/lib/security/$ISA/crypt_bsdbf.so 12

       Example 2 Setting the Rounds

       The following example sets the rounds for the crypt_sunmd5(5) module:

	 md5 /usr/lib/security/$ISA/crypt_sunmd5.so rounds=2000

       Example 3 Using the Default /etc/security/crypt.conf

       The following default /etc/security/crypt.conf supports five plugins:

	 1	crypt_bsdmd5.so.1
	 2a	crypt_bsdbf.so.1
	 md5	crypt_sunmd5.so.1
	 5	crypt_sha256.so.1
	 6	crypt_sha512.so.1

ATTRIBUTES
       See attributes(5) for descriptions of the following attributes:

       ┌─────────────────────────────┬─────────────────────────────┐
       │      ATTRIBUTE TYPE	     │	    ATTRIBUTE VALUE	   │
       ├─────────────────────────────┼─────────────────────────────┤
       │Interface Stability	     │Committed			   │
       └─────────────────────────────┴─────────────────────────────┘

SEE ALSO
       passwd(1),   crypt(3C),	 crypt_genhash_impl(3C),    crypt_gensalt(3C),
       crypt_gensalt_impl(3C),	getpassphrase(3C),  passwd(4),	attributes(5),
       crypt_bsdbf(5),	crypt_bsdmd5(5),   crypt_sha256(5),   crypt_sha512(5),
       crypt_sunmd5(5), crypt_unix(5)

SunOS 5.10			  8 Jul 2011			 crypt.conf(4)

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