Modulecrypton-1.0.4Haskell2010

Crypto.KDF.Argon2

Argon2 hashing function (P-H-C winner)

Recommended to use this module qualified

File started from Argon2.hs, from Oliver Charles at https://github.com/ocharles/argon2

datadata Options

Parameters that can be adjusted to change the runtime performance of the hashing.

Instances4Eq, Ord, Read, Show

typetype TimeCost = Word32

The time cost, which defines the amount of computation realized and therefore the execution time, given in number of iterations.

FFI.ARGON2_MIN_TIME <= hashIterations <= FFI.ARGON2_MAX_TIME

typetype MemoryCost = Word32

The memory cost, which defines the memory usage, given in kibibytes.

max FFI.ARGON2_MIN_MEMORY (8 * hashParallelism) <= hashMemory <= FFI.ARGON2_MAX_MEMORY

typetype Parallelism = Word32

A parallelism degree, which defines the number of parallel threads.

FFI.ARGON2_MIN_LANES <= hashParallelism <= FFI.ARGON2_MAX_LANES && FFI.ARGON_MIN_THREADS <= hashParallelism <= FFI.ARGON2_MAX_THREADS

datadata Variant

Which variant of Argon2 to use. You should choose the variant that is most applicable to your intention to hash inputs.

Argon2d
Argon2d is faster than Argon2i and uses data-depending memory access, which makes it suitable for cryptocurrencies and applications with no threats from side-channel timing attacks.
Argon2i
Argon2i uses data-independent memory access, which is preferred for password hashing and password-based key derivation. Argon2i is slower as it makes more passes over the memory to protect from tradeoff attacks.
Argon2id
Argon2id is a hybrid of Argon2i and Argon2d, using a combination of data-depending and data-independent memory accesses, which gives some of Argon2i's resistance to side-channel cache timing attacks and much of Argon2d's resistance to GPU cracking attacks

Instances6Bounded, Enum, Eq, Ord, Read, Show

datadata Version

Which version of Argon2 to use

Instances6Bounded, Enum, Eq, Ord, Read, Show

valuedefaultOptions :: Options

Hashing function

1 declaration

valuehash