MD5, a hash encryption of texts. although it is supposed to be uncovertable it can be converted back recently. it is a very easy function to use but used a lot in sending encrypted data and storing it, like this forum it uses it to store passwords. this is how it works:

this will output 1e2db57dd6527ad4f8f281ab028d2c70. but to make it more secure like what IPB does it to double encrypt it. so it looks like this:

this will output: a932721fa7514980123ca95f1e94cb47 which is harder to crack because it is an encryption of an encryption.

hope that helps.

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