In a preimage attack, the attacker starts with a particular output, and is able to find an input that will produce that particular output, whereas a collision attack merely finds two inputs that produce the same output.
Whereas, a collision attack merely finds two inputs that produce the same output. In a preimage attack, the attacker starts with a particular output, and is able to find the input that will produce that particular output.
In a preimage attack, the attacker starts with a particular output, and is able to find the input that will produce that particular output. Whereas, a collision attack merely finds two inputs that produce the same output.
In a preimage attack, the attacker starts with a particular output, and is able to find the input that will produce that particular output. Whereas, a collision attack merely finds two inputs that produce the same output.