Top network posts

• 87 Why does my SSH private key still work after changing some bytes in the file?
• 67 How come hash salt doesn't make a hash ineffective?
• 55 Second pre-image resistance vs Collision resistance
• 52 How do we know a cryptographic primitive won't suddenly fail?
• 38 If a hash function $H$ is collision resistant, is it true that $H(x)\neq H(x')$ for all messages $x, x'$ with $x \neq x'$?
• 29 How does ECDH arrive on a shared secret?
• 22 Encrypt-then-MAC: Do I need to authenticate the IV?
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