!!! Overview [{$pagename}] is both * [Cryptographic Hash Function] and * An Application to create and change passwords on [NIX] systems !! [Cryptographic Hash Function] Cryptographic Hash Function is used both to generate a new hash for storage and also to hash a proffered password with a recorded salt for comparison. Modern Unix implementations of the [{$pagename}] library routine support a variety of different [Ciphers]. The particular [Cryptographic Hash Function] used can be identified by a unique code prefix in the resulting hashtext, following a pseudo-standard called Modular Crypt Format. !! Need to create A Crypt Password We often need to do testing and found that we could do this as: {{{ # perl -le 'print crypt("password","salt")' sa3tHJ3/KuYvI }}} !! More Information There might be more information for this subject on one of the following: [{ReferringPagesPlugin before='*' after='\n' }] ---- * [#1] - [Crypt_(C)|Wikipedia:Crypt_(C)|target='_blank'] - based on information obtained 2019-12-30 * [#2] - [Crypt Password Storage Scheme|https://backstage.forgerock.com/docs/ds/5/configref/crypt-password-storage-scheme.html|target='_blank'] - based on information obtained 2019-12-30