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BCrypt is an adaptive cryptographic hash function for passwords. It incorporate a salt to protect against rainbow table attacks and is also an adaptive hash - over time it can be made slower and slower so it remains resistant to specific brute-force search attacks against the hash and the salt.
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Is Bcrypt a hashing algorithm or is my study material wrong?
You're not wrong to call bcrypt a ‘hashing algorithm’, but they're not wrong that it is qualitatively different from the others—although it is curious that they single out bcrypt and not HMAC too. … We can group them into three categories:
bcrypt is meant to be a password hash, also known as a password-based key derivation function, whose purpose is to be expensive to compute so that even if it …