Reversible vs. Non-Reversible Encryption

Cisco devices can store passwords using either a reversible (Type 7) or non-reversible (Type 4 or 5, enabled by the “secret” keyword) encryption. Reversible encryption has the ability to decrypt the stored password, which can then be compared to the … Continue reading

Decrypting router passwords with a router

The command “show key chain” shows the decrypted key strings, and because of that, can be used to decrypt other type 7 passwords: R1(config)#username cisco password cisco R1(config)#do show run | include password 7 username cisco password 7 05080F1C2243  password … Continue reading