Argon2idPasswordHasher class

Argon2id password hashing policy backed by PointyCastle.

The encoded format is:

routed-argon2id$v=1$i=2$m=19456$p=1$l=32$s=<salt>$h=<derived-key>

Salt and derived-key values use unpadded base64url encoding. The format is self-describing so parameter upgrades can be detected during login.

Implemented types

• PasswordHasher

Constructors

Argon2idPasswordHasher({int iterations = 2, int memoryKiB = 19456, int parallelism = 1, int saltLength = 16, int derivedKeyLength = 32, List<int> saltGenerator(int length)?})

Creates an Argon2id hasher with the current password-policy defaults.

Properties

derivedKeyLength → int

Number of derived-key bytes stored in newly created hashes.

final

hashCode → int

The hash code for this object.

no setter, inherited

iterations → int

Argon2 passes used for newly created hashes.

final

memoryKiB → int

Argon2 memory cost in KiB for newly created hashes.

final

parallelism → int

Argon2 lanes used for newly created hashes.

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

saltLength → int

Number of random salt bytes used for newly created hashes.

final

Methods

hash(String password) → String

Hashes password with a salt from the configured generator into the self-describing format.

override

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

verify(String password, String encodedHash) → PasswordVerification

Verifies password against encodedHash using constant-time comparison.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited