Once the tool is installed and the performance test performed, we can start with a real case. To do this, we simply open a Linux terminal and type:Īs we can see, a series of tests are carried out where performance will be measured, this can give us a general idea of the processing power of our computer, with the aim of testing all combinations of letters, numbers and symbols in the shortest possible time. In this way, we will be able to know the speed with which the tool will test keys with different types of encryption using 100% of our CPU.
The more “input” characters we have, the longer it will take to test all possible password combinations, so we must take this into account when configuring the input.īefore we start cracking the passwords, we can launch a simple performance test where our hardware will be put to the test. This program allows us to configure this brute force attack, we will tell you to test only letters, letters and numbers, and even add symbols. In general, cracking a password of more than 12 characters will take us a long time to do it by brute force, therefore, you must take it into account. This method is the slowest because it will test all combinations, and it can take hours, days, and even years to crack passwords to a certain length. The brute force attack consists of testing all combinations of letters, numbers and symbols of a key with a certain length. We will be able to crack the passwords that are contained in the key dictionaries in a completely automated way.Ī remarkable aspect is that it not only tests the dictionary keys, but also adds numbers, uppercase, lowercase and symbols to the words that we put as “input”, in addition, it is also capable of combining words to test even more combinations of passwords and find the key used. The process consists of generating the hash of each password, to later compare the hash that we want to break, if the hash is the same then we have discovered the password, if the hash does not match then it is not the key and we will have to continue testing. This program allows us to crack passwords by dictionary, if we download one or more Internet password dictionaries of several tens of GB, the tool will be in charge of testing each and every one of these keys to try to crack the password hash.
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