libcrypt

The behaviour of the interfaces in this library is specified by the following Standards.

ISO/IEC 9945:2003 Portable Operating System(POSIX)and The Single UNIX® Specification(SUS) V3

Table A-12. libcrypt Function Interfaces

crypt(GLIBC_2.0)[1]encrypt(GLIBC_2.0)[1]setkey(GLIBC_2.0)[1]