For practice, see if you can't identify the hashing algorithm for the following stored passwords:

    $6$AhHvI8ay$I0ED2wWVU9eheJKvCxzcbc/ZYRoN60q5XNHruYp8yFlQvEOjJ1WtIHUwjG6L4ZGntf3ei8osB7s2GYdkN01gx1
    dGhpcyBpcyBzdHVwaWQKCg==
    286755fad04869ca523320acce0dc6a4
    some_salt:ac01346ad1553221506dd091800a1974
    c8fed00eb2e87f1cee8e90ebbe870c190ac3848c
    6b3a55e0261b0304143f805a24924d0c1c44524821305f31d9277843b8a10f4e
    /5L0cR/wpFqSA

Note how they don't look the same, so it's quite easy for an attacker to tell the difference.

Want to see how you did? Here's the answer key, in base64:

    MTogTW9kZXJuIGNyeXB0LCBsaWtlIHRoZSBraW5kIHlvdSdkIGZpbmQgaW4gL2V0Yy9zaGFkb3cK
    MjogSnVzdCBiYXNlNjRpbmcgdGhlIHJhdyBwYXNzd29yZCAoc3R1cGlkKQozOiBVbnNhbHRlZCBt
    ZDVzdW0KNDogbWQ1c3VtLCB3aXRoIHNhbHQgcHJlcGVuZGVkCjU6IFVuc2FsdGVkIHNoYTFzdW0K
    NjogVW5zYWx0ZWQgc2hhMjU2c3VtCjc6IE9sZCBVTklYIGNyeXB0KCk=