Several of your co-workers are having a discussion over the etc/passwd file. They are at odds over what types of encryption are used to secure Linux passwords.(Choose all that apply.
A.
Linux passwords can be encrypted with MD5
B.
Linux passwords can be encrypted with SHA
C.
Linux passwords can be encrypted with DES
D.
Linux passwords can be encrypted with Blowfish
E.
Linux passwords are encrypted with asymmetric algrothims
Linux passwords are enrcypted using MD5, DES, and the NEW addition Blowfish. The default on most linux systems is dependant on the distribution, RedHat uses MD5, while slackware uses DES. The blowfish option is there for those who wish to use it. The encryption algorithm in use can be determined by authconfig on RedHat-based systems, or by reviewing one of two locations, on PAM-based systems (Pluggable Authentication Module) it can be found in /etc/pam.d/, the system-auth file or authconfig files. In other systems it can be found in /etc/security/ directory.
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