Module bcrypt_nif

Description
Function Index
Function Details

Bcrypt Erlang wrapper.

Authors: Hunter Morris (hunter.morris@smarkets.com).

Description

Bcrypt Erlang wrapper.

The wrapper around the OpenBSD Blowfish password hashing algorithm, as described in: "A Future-Adaptable Password Scheme" by Niels Provos and David Mazieres.

Function Index

create_ctx/0	Create a context which hashes passwords in a separate thread.
gen_salt/1	Generate a random text salt for use with hashpw/3.
hashpw/5	Hash the specified password and the salt using the OpenBSD Blowfish password hashing algorithm.

Function Details

create_ctx/0

create_ctx() -> Context

Context = term()

Create a context which hashes passwords in a separate thread.

gen_salt/1

gen_salt(LogRounds) -> Result

LogRounds = integer()
Result = [byte()]

Generate a random text salt for use with hashpw/3. LogRounds defines the complexity of the hashing, increasing the cost as 2^log_rounds.

hashpw/5

hashpw(Ctx, Ref, Pid, Password, Salt) -> Result

Ctx = term()
Ref = reference()
Pid = pid()
Password = [byte()]
Salt = [byte()]
Result = ok

Hash the specified password and the salt using the OpenBSD Blowfish password hashing algorithm. Returns the hashed password.

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