Tarantool C binding for the Argon2 password hashing function.
The module is self-contained.
No external dependencies are needed to be installed on system.
This binding can be installed via Tarantool Rocks:
$ tarantoolctl rocks install argon2Or by using the CMake (use the provided variables to point it to your Lua and Argon2 installations):
$ cmake .
$ makeThe CMake will fetch original argon2 C library from submodule,
build a static version of it (libargon2.a), then compile argon2.so Tarantool
binding module and link the original library statically into it.
Original Lua binding author' documentation is available at http://thibaultcha.github.io/lua-argon2/.
The Argon2 password hashing function documentation is available at https://github.com/P-H-C/phc-winner-argon2.
Hash a password to an encoded string:
local argon2 = require "argon2"
--- Prototype
-- local encoded, err = argon2.hash_encoded(pwd, salt, opts)
--- Argon2i
local encoded = assert(argon2.hash_encoded("password", "somesalt"))
-- encoded is "$argon2i$v=19$m=4096,t=3,p=1$c29tZXNhbHQ$iWh06vD8Fy27wf9npn6FXWiCX4K6pW6Ue1Bnzz07Z8A"
--- Argon2d
local encoded = assert(argon2.hash_encoded("password", "somesalt", {
variant = argon2.variants.argon2_d
}))
-- encoded is "$argon2d$v=19$m=4096,t=3,p=1$c29tZXNhbHQ$2+JCoQtY/2x5F0VB9pEVP3xBNguWP1T25Ui0PtZuk8o"
--- Argon2id
local encoded = assert(argon2.hash_encoded("password", "somesalt", {
variant = argon2.variants.argon2_id
}))
-- encoded is "$argon2id$v=19$m=4096,t=3,p=1$c29tZXNhbHQ$qLml5cbqFAO6YxVHhrSBHP0UWdxrIxkNcM8aMX3blzU"
-- Hashing options
local encoded = assert(argon2.hash_encoded("password", "somesalt", {
t_cost = 4,
m_cost = math.pow(2, 16), -- 65536 KiB
parallelism = 2
}))
-- encoded is "$argon2i$v=19$m=65536,t=4,p=2$c29tZXNhbHQ$n6x5DKNWV8BOeKemQJRk7BU3hcaCVomtn9TCyEA0inM"
-- Changing the default options (those arguments are the current defaults)
argon2.t_cost(3)
argon2.m_cost(4096)
argon2.parallelism(1)
argon2.hash_len(32)
argon2.variant(argon2.variants.argon2_i)Verify a password against an encoded string:
local argon2 = require "argon2"
--- Prototype
-- local ok, err = argon2.decrypt(hash, plain)
local encoded = assert(argon2.hash_encoded("password", "somesalt"))
-- encoded: argon2i encoded hash
local ok, err = argon2.verify(encoded, "password")
if err then
error("could not verify: " .. err)
end
if not ok then
error("The password does not match the supplied hash")
endWork licensed under the MIT License. Please check [P-H-C/phc-winner-argon2][Argon2] for the license over Argon2 and the reference implementation.
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