HashFunctionChoice enum
Hash algorithms available for use in SRP operations.
These algorithms are used throughout the SRP protocol for:
- Hashing user IDs and safe primes
- Deriving session keys
- Computing verifiers
Security Considerations:
- sha256 is recommended for most use cases (balance of security and performance)
- sha512 provides stronger security but with performance penalty on 32-bit systems
- sha1 is provided for RFC5054 compatibility and low-resource environments only
The hash function choice must match between client and server, and must be the same during both registration and authentication phases.
Values
- sha1 → const HashFunctionChoice
-
SHA-1 hash algorithm (160-bit output).
Warning: SHA-1 is cryptographically weak and provided only for compatibility with RFC5054 and legacy systems. Not recommended for production use unless required for interoperability.
- sha256 → const HashFunctionChoice
-
SHA-256 hash algorithm (256-bit output).
Recommended default for most applications. Provides good security with excellent performance across all platforms.
- sha512 → const HashFunctionChoice
-
SHA-512 hash algorithm (512-bit output).
Provides stronger security than SHA-256 but may have performance penalty on 32-bit systems. Use when maximum security is required.
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- index → int
-
A numeric identifier for the enumerated value.
no setterinherited
- name → String
-
Available on Enum, provided by the EnumName extension
The name of the enum value.no setter - runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited
Constants
-
values
→ const List<
HashFunctionChoice> - A constant List of the values in this enum, in order of their declaration.